# The 100 largest professional services firms in the Netherlands

Tamtam tracks 739 professional services firms headquartered in the Netherlands. This list ranks the 100 largest by number of employees on LinkedIn, led by Randstad, Arcadis and BCD Travel. Their median headcount is 1,439. Half of them were founded in 1988 or later. The most common headquarters are Amsterdam (26), Utrecht (12) and Rotterdam (9).

These Dutch professional services firms are predominantly large, established companies, with the earliest founded in 1881 and many others in the mid to late 20th century. While Randstad, with 653,000 employees, specializes in human resources, other firms offer a range of services. Arcadis (42,295 employees) focuses on design and engineering, TMF Group (11,186 employees) provides financial and legal support, and Getronics (4,147 employees) delivers IT solutions.

A notable pattern is the concentration of headquarters in and around Amsterdam, including Amsterdam itself, Amstelveen, and Diemen. Additionally, staffing and recruiting is a prominent sector among these companies, with Randstad, RGF Staffing NL, RGF Staffing, and Brunel all operating in this field.

🇳🇱 Netherlands · 100 companies · Updated Nov 11, 2026

| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [Randstad](https://www.tamtam.ai/c/randstad) (randstad.com)<br>Provides companies with quality workforces, helps people find jobs, advises on HR needs, and offers training, combining technology with personalized human attention. | Human Resources Services | 🇳🇱 Diemen | 653,000 | 1960 |
| 2 | [Arcadis](https://www.tamtam.ai/c/arcadis) (arcadis.com)<br>delivering transformative projects globally addressing climate, energy, and livable cities through design, engineering, architecture, and consulting for a better future | Professional Services | 🇳🇱 Amsterdam | 42,295 |  |
| 3 | [BCD Travel](https://www.tamtam.ai/c/bcd-travel) (bcdtravel.com)<br>Comprehensive corporate travel management with digital tools, meetings and events services, global consultancy, supporting cost savings and sustainability worldwide. | Travel Arrangements | 🇳🇱 Utrecht | 16,897 | 2006 |
| 4 | [Sendiri](https://www.tamtam.ai/c/sendiri) (sendiri.nl)<br>Learning and development consultancy specializing in online programs, community support, and guidance to empower individuals and organizations in enhancing skills and knowledge | Professional Training and Coaching | 🇳🇱 Eefde | 15,445 | 2018 |
| 5 | [TMF Group](https://www.tamtam.ai/c/tmf-group) (tmf-group.com)<br>Provides global administrative, financial, and legal support, helping companies navigate complex regulations and operate safely across numerous international markets. | Financial Services | 🇳🇱 Amsterdam | 11,186 | 1988 |
| 6 | [BearingPoint](https://www.tamtam.ai/c/bearingpoint) (bearingpoint.com)<br>Independent consulting firm offering tailored solutions for complex business environments, applying deep industry expertise to help clients achieve their goals globally | Business Consulting and Services | 🇳🇱 Amsterdam | 10,074 | 2002 |
| 7 | [RGF Staffing NL](https://www.tamtam.ai/c/rgf-staffing-nl) (rgfstaffing.nl)<br>RGF Staffing the Netherlands is part of a global HR service provider dedicated to bringing people together, creating opportunities for individuals, businesses, and society | Staffing and Recruiting | 🇳🇱 Almere | 8,455 |  |
| 8 | [Royal HaskoningDHV](https://www.tamtam.ai/c/royal-haskoningdhv) (haskoning.com)<br>Independent consulting engineering firm providing sustainable solutions addressing climate change, digital transformation, energy transition, and societal challenges worldwide. | Civil Engineering | 🇳🇱 Amersfoort | 7,740 | 1881 |
| 9 | [TMC](https://www.tamtam.ai/c/tmc) (themembercompany.com)<br>A company empowering entrepreneurial technologists to innovate, collaborate, and drive their careers through exciting projects and a unique philosophy | Business Consulting and Services | 🇳🇱 Eindhoven | 5,122 |  |
| 10 | [Randstad Enterprise](https://www.tamtam.ai/c/randstad-enterprise) (randstadenterprise.com)<br>A global talent solutions provider, offering integrated talent acquisition and development services to help companies build skilled and agile workforces | Human Resources Services | 🇳🇱 Amsterdam | 4,758 | 2001 |
| 11 | [RGF Staffing](https://www.tamtam.ai/c/rgf-staffing) (rgfstaffing.com)<br>Provides extensive HR services and staffing solutions globally, employing hundreds of thousands through a large network of brands. | Staffing and Recruiting | 🇳🇱 Almere | 4,394 |  |
| 12 | [Kiwa](https://www.tamtam.ai/c/kiwa) (kiwa.com)<br>A global leader in Testing, Inspection, and Certification, offering a wide range of services to create trust in products and processes worldwide | Professional Services | 🇳🇱 Rijswijk | 4,320 |  |
| 13 | [Getronics](https://www.tamtam.ai/c/getronics-amsterdam-duivendrecht) (getronics.com)<br>Global technology solutions provider empowering businesses with tailored, secure, and sustainable IT services to drive growth, efficiency, and reduce environmental impact | IT Services and IT Consulting | 🇳🇱 Amsterdam-Duivendrecht | 4,147 | 1887 |
| 14 | [Brunel](https://www.tamtam.ai/c/brunel) (brunel.net)<br>Global specialist delivering custom project and workforce solutions for industry transformations using technology and talent across various sectors worldwide | Staffing and Recruiting | 🇳🇱 Amsterdam | 4,118 | 1975 |
| 15 | [KPMG Nederland](https://www.tamtam.ai/c/kpmg-nederland) (kpmg.com)<br>This company provides high-quality audit, tax, and advisory services to a wide range of clients, helping them navigate complex challenges and excel | Financial Services | 🇳🇱 Amstelveen | 4,008 |  |
| 16 | [Unique](https://www.tamtam.ai/c/unique-almere) (unique.nl)<br>Providing career development support with 50 years of experience and over 800 employees, focusing on individual growth and potential. | Human Resources Services | 🇳🇱 Almere | 3,581 | 1972 |
| 17 | [PwC Nederland](https://www.tamtam.ai/c/pwc-nederland) (pwc.nl)<br>A global company providing advisory, assurance, digital, and tax services aiming to solve major societal issues and build trust in the world | Business Consulting and Services | 🇳🇱 Amsterdam | 3,568 | 1800 |
| 18 | [MN](https://www.tamtam.ai/c/mn) (mn.nl)<br>A Netherlands-based company offering solutions for pension funds and institutional investors, specializing in investment management, pension administration, and management support | Financial Services | 🇳🇱 The Hague | 3,291 |  |
| 19 | [Bilfinger Engineering](https://www.tamtam.ai/c/bilfinger-engineering) (bilfinger.com)<br>Multidisciplinary engineering consultancy offering future-proof and sustainable solutions for industrial projects across various markets with a focus on project management and procurement | Engineering Services | 🇳🇱 Schiedam | 2,973 | 1945 |
| 20 | [HSO](https://www.tamtam.ai/c/hso) (hso.com)<br>This company helps businesses modernize operations, implement intelligent automation, and connect the enterprise through Microsoft cloud solutions and global support services | IT Services and IT Consulting | 🇳🇱 Amsterdam | 2,960 | 1987 |
| 21 | [BMC](https://www.tamtam.ai/c/bmc-amersfoort) (bmc.nl)<br>Advisory firm specializing in public sector improvements, offering research, advice, and implementation support for government and public organizations. | Business Consulting and Services | 🇳🇱 Amersfoort | 2,951 | 1986 |
| 22 | [Centric](https://www.tamtam.ai/c/centric) (centric.eu)<br>A leading partner in digital transformation, providing software solutions, IT assessments, cloud services, staffing, and business process outsourcing to a diverse range of clients | IT Services and IT Consulting | 🇳🇱 Gouda | 2,900 | 1992 |
| 23 | [APS](https://www.tamtam.ai/c/aps-utrecht)<br>Not-for-profit education institute specializing in learning, educational design, school development, and leadership within the education sector | Education Administration Programs | 🇳🇱 Utrecht | 2,778 |  |
| 24 | [Conclusion](https://www.tamtam.ai/c/conclusion) (conclusion.com)<br>Multidisciplinary provider of Business Transformation and IT Services, specializing in Public Transport, Healthcare, Finance, and Industry sectors in the Netherlands | IT Services and IT Consulting | 🇳🇱 Utrecht | 2,624 |  |
| 25 | [BDO Nederland](https://www.tamtam.ai/c/bdo-nederland) (bdo.nl)<br>This company helps businesses adapt to the new economy by providing global insight, personal service, and professional guidance to make organizations stronger and more successful | Professional Services | 🇳🇱 Eindhoven | 2,553 |  |
| 26 | [Tempo-Team](https://www.tamtam.ai/c/tempo-team) (tempo-team.nl)<br>Helping increase workplace enjoyment to boost productivity, creativity, reduce absenteeism, offering knowledge, training, talent, and job opportunities. | Human Resources Services | 🇳🇱 Diemen | 2,544 | 1969 |
| 27 | [PBH](https://www.tamtam.ai/c/pbh)<br>A leader in scaling start-ups and providing strategic industry advice, focusing on people, process, technology alignment, and promoting innovation for sustainable business transformations | Business Consulting and Services | 🇳🇱 Amsterdam | 2,538 |  |
| 28 | [ICT Group](https://www.tamtam.ai/c/ict-group) (ict.eu)<br>Leading European provider industrial technology solutions. Delivers consultancy, software development, project solutions, managed services across vital sectors: automotive, high tech, industry, infrastructure, logistics, public mobility and safety. | IT Services and IT Consulting | 🇳🇱 Barendrecht | 2,462 |  |
| 29 | [Start People](https://www.tamtam.ai/c/start-people) (startpeople.nl)<br>Connecting people with work through staffing, recruitment, payroll, and training services, supporting personal and professional development. | Staffing and Recruiting | 🇳🇱 Almere | 2,170 | 1977 |
| 30 | [I AM](https://www.tamtam.ai/c/i-am-willemstad) (iam.cw)<br>I AM connects, inspires, and supports individuals and organizations for holistic growth and development, recognized for excellence in business in 2015 | Human Resources Services | 🇳🇱 Willemstad | 2,014 | 2010 |
| 31 | [JOP](https://www.tamtam.ai/c/jop) (jopnet.nl)<br>A leading organization in recruitment for government and non-profit sectors, connecting experienced professionals for temporary assignments from HBO level upwards | Government Relations Services | 🇳🇱 Amsterdam | 1,960 | 2007 |
| 32 | [CED Europe](https://www.tamtam.ai/c/ced-europe) (cedgroup.eu)<br>A European tech-enabled insurance services platform with a focus on expert claims management, innovation, and customer satisfaction through technology and personalized solutions | Insurance | 🇳🇱 Capelle aan den IJssel | 1,941 |  |
| 33 | [OMA](https://www.tamtam.ai/c/oma) (oma.com)<br>International architecture practice with a research and design studio, led by eight partners, known for innovative buildings worldwide, with offices in multiple cities | Architecture and Planning | 🇳🇱 Rotterdam | 1,905 | 1975 |
| 34 | [Witteveen+Bos](https://www.tamtam.ai/c/witteveen-bos) (witteveenbos.com)<br>Global engineering and consultancy firm providing sustainable solutions in infrastructure, water, environment, and construction projects worldwide with a focus on value creation and talent development | Civil Engineering | 🇳🇱 Deventer | 1,892 |  |
| 35 | [HumanTotalCare](https://www.tamtam.ai/c/humantotalcare) (humantotalcare.nl)<br>We aim to promote a healthy, motivated, and competent workforce in the Netherlands through comprehensive advice and support for employers and employees | Health and Human Services | 🇳🇱 Son | 1,872 | 2016 |
| 36 | [Flynth](https://www.tamtam.ai/c/flynth) (flynth.nl)<br>A leading Dutch accounting and advisory service provider focused on entrepreneurs, with a unique organizational structure and passionate, team-oriented employees | Accounting | 🇳🇱 Arnhem | 1,842 |  |
| 37 | [IBI Group](https://www.tamtam.ai/c/ibi-group) (arcadis.com)<br>A global design firm shaping future cities with technology, sustainability, and human-centric design, now part of Arcadis, delivering innovative solutions worldwide | Design Services | 🇳🇱 Amsterdam | 1,818 |  |
| 38 | [Zorgwerk](https://www.tamtam.ai/c/zorgwerk) (zorgwerk.nl)<br>Specializing in staffing solutions for the healthcare sector, providing excellent service to match supply and demand, with a focus on values like happiness and connectedness | Staffing and Recruiting | 🇳🇱 Rotterdam | 1,806 | 1997 |
| 39 | [Normec](https://www.tamtam.ai/c/normec) (normecgroup.com)<br>A leading organization in the TICC industry, specializing in testing, inspection, and certification services to support innovation and safety for clients worldwide | Business Consulting and Services | 🇳🇱 Amsterdam | 1,753 | 2016 |
| 40 | [MineSec](https://www.tamtam.ai/c/minesec) (release-engineers.com)<br>Designing and developing efficient CI/CD systems to facilitate scalable and confident solution building and deployment, allowing developers to focus on core business | IT Services and IT Consulting | 🇳🇱 Amsterdam | 1,750 | 2016 |
| 41 | [Loyens & Loeff](https://www.tamtam.ai/c/loyens-and-loeff) (loyensloeff.com)<br>Legal and tax advisory firm offering personal advice with sector expertise in the Netherlands, Belgium, Luxembourg, Switzerland, and global financial centers. | Law Practice | 🇳🇱 Amsterdam | 1,655 | 2000 |
| 42 | [YER](https://www.tamtam.ai/c/yer) (yer.nl)<br>Connecting talents, experts, and organizations, YER drives ambitions by matching them with top consultants They facilitate career growth for individuals and strategic partnerships for businesses | Staffing and Recruiting | 🇳🇱 Amsterdam | 1,638 | 1987 |
| 43 | [Valcon](https://www.tamtam.ai/c/valcon) (valcon.com)<br>Valcon is a full-service provider specializing in consultancy, technology, data, and advanced analytics to drive end-to-end transformations and create sustainable value | Business Consulting and Services | 🇳🇱 Utrecht | 1,608 | 2000 |
| 44 | [Antea Group Nederland](https://www.tamtam.ai/c/antea-group-nederland) (anteagroup.com)<br>Engineering consultancy providing innovative data-driven solutions for infrastructure, housing, waterworks, climate adaptation, energy transition, and asset management. | Civil Engineering | 🇳🇱 Heerenveen | 1,579 | 1951 |
| 45 | [CPS Onderwijsontwikkeling en advies](https://www.tamtam.ai/c/cps-onderwijsontwikkeling-en-advies) (cps.nl)<br>Specializing in school development and professionalization, offering tailored training, coaching, advice, and a wide range of courses through CPS Academie | Education | 🇳🇱 Amersfoort | 1,575 | 1946 |
| 46 | [House of Covebo](https://www.tamtam.ai/c/house-of-covebo) (houseofcovebo.nl)<br>House of Covebo is a group of international recruitment companies sharing the mission of providing excellent job opportunities and support to clients | Staffing and Recruiting | 🇳🇱 Nijkerk | 1,561 |  |
| 47 | [Maandag®](https://www.tamtam.ai/c/maandag) (maandag.com)<br>The company connects individuals with fulfilling work that matches their abilities, ambitions, and preferences in an inclusive and diverse environment, fostering passion for Mondays | Staffing and Recruiting | 🇳🇱 Amsterdam | 1,526 | 1989 |
| 48 | [Intertrust Group](https://www.tamtam.ai/c/intertrust-group) (cscglobal.com)<br>Global provider of specialized administration services with a focus on corporate, fund, capital markets, and private wealth services, supported by innovative technology and local expertise | Financial Services | 🇳🇱 Amsterdam | 1,482 | 1952 |
| 49 | [Robeco](https://www.tamtam.ai/c/robeco) (robeco.com)<br>An international asset manager specializing in sustainable investing, offering active investment strategies for institutional and private investors across various asset classes | Financial Services | 🇳🇱 Rotterdam | 1,482 | 1929 |
| 50 | [Iv](https://www.tamtam.ai/c/iv) (iv.nl)<br>Specialist engineers solving complex issues related to energy transition, climate change, and societal resilience through innovative design solutions for various projects | Engineering Services | 🇳🇱 Papendrecht | 1,439 | 1949 |
| 51 | [CGI Nederland](https://www.tamtam.ai/c/cgi-nederland) (cgi.com)<br>Established in 1976, a global leader in IT and business consultancy, offering insights and results-driven solutions across 21 industries worldwide | IT Services and IT Consulting | 🇳🇱 Rotterdam | 1,435 | 1976 |
| 52 | [DPS Group Global](https://www.tamtam.ai/c/dps-group-global) (arcadis.com)<br>Global consulting, engineering, and construction management firm specializing in providing innovative solutions to high-tech industries worldwide | Architecture and Planning | 🇳🇱 Amsterdam | 1,391 | 1974 |
| 53 | [EIFFEL](https://www.tamtam.ai/c/eiffel) (eiffel.nl)<br>Specializing in tailored, results-driven solutions in Legal, Finance, and Process, with partnerships in IT and HR, bringing added value through a competitive mindset | Business Consulting and Services | 🇳🇱 Arnhem | 1,377 | 1992 |
| 54 | [Ordina a Sopra Steria Company](https://www.tamtam.ai/c/ordina-a-sopra-steria-company)<br>A leading independent IT services provider in the Benelux region, specializing in digital solutions for financial services, industry, and the public sector | IT Services and IT Consulting | 🇳🇱 Nieuwegein | 1,373 | 1973 |
| 55 | [Movares](https://www.tamtam.ai/c/movares) (movares.com)<br>Engineering consultancy specializing in capacity, safety, and integration solutions for mobility, infrastructure, and transportation systems with a focus on innovativity | Civil Engineering | 🇳🇱 Utrecht | 1,358 | 1839 |
| 56 | [Bilfinger België & Nederland](https://www.tamtam.ai/c/bilfinger-belgie-and-nederland) (bilfinger.com)<br>Industrial benchmark for projects and maintenance of industrial assets, ensuring safety and availability for clients in Belgium and the Netherlands Services include insulation, scaffolding, and more | Commercial and Industrial Machinery Maintenance | 🇳🇱 Rotterdam | 1,354 | 1950 |
| 57 | [Moore DRV](https://www.tamtam.ai/c/moore-drv) (moore-drv.nl)<br>Accountants and advisors supporting entrepreneurs in the real economy with expert insights, solutions, and support for lasting improvements in business performance | Financial Services | 🇳🇱 Rotterdam | 1,335 | 1922 |
| 58 | [DEKRA Nederland](https://www.tamtam.ai/c/dekra-nederland) (dekra.nl)<br>DEKRA ensures safety and sustainability through testing, inspecting, and certifying products, processes, and environments to promote trust and reliability | Public Safety | 🇳🇱 Arnhem | 1,307 |  |
| 59 | [ilionx](https://www.tamtam.ai/c/ilionx) (ilionx.com)<br>ilionx is an IT knowledge and implementation partner offering simple IT solutions aligned with organizational processes, supporting clients with digital strategy, cloud applications, data & AI | IT Services and IT Consulting | 🇳🇱 Utrecht | 1,279 | 2002 |
| 60 | [YoungCapital](https://www.tamtam.ai/c/youngcapital) (youngcapital.nl)<br>Specialist in connecting young talent with employers through jobs, traineeships, and education, promoting growth and innovation Also offers specialized training programs Operating across multiple European countries | Human Resources Services | 🇳🇱 Hoofddorp | 1,237 | 2000 |
| 61 | [Sweco Nederland](https://www.tamtam.ai/c/sweco-nederland) (sweco.nl)<br>Designing and developing sustainable buildings, efficient infrastructure, and access to essential resources for the societies and cities of the future through talented, collaborative, and innovative professionals | Civil Engineering | 🇳🇱 De Bilt | 1,230 | 1889 |
| 62 | [DPA Professionals](https://www.tamtam.ai/c/dpa-professionals) (dpa.nl)<br>Connecting specialized professionals with leading companies from multinationals to government, fostering continuous and sustainable growth through secondment, applied consultancy, recruitment, and selection. | Staffing and Recruiting | 🇳🇱 Amsterdam | 1,200 | 1990 |
| 63 | [House of Cohedron](https://www.tamtam.ai/c/house-of-cohedron) (houseofcohedron.nl)<br>A group of strong companies, each with its own expertise, driven to make meaningful impact on people, organizations, businesses, and society Providing impactful solutions | Government Relations Services | 🇳🇱 Utrecht | 1,189 |  |
| 64 | [House of Redmore](https://www.tamtam.ai/c/house-of-redmore) (houseofredmore.com)<br>Redmore offers smart and result-oriented solutions in Risk, Business, Technology, Legal, and Finance fields, with a team of 2500 specialists across Europe | Financial Services | 🇳🇱 Utrecht | 1,174 | 2014 |
| 65 | [Accenture the Netherlands](https://www.tamtam.ai/c/accenture-the-netherlands) (accenture.com)<br>Global professional services company specializing in digital, cloud, and security solutions for clients in 40+ industries worldwide, powered by Advanced Technology and Intelligent Operations | Business Consulting and Services | 🇳🇱 Amsterdam | 1,078 | 2001 |
| 66 | [Baker Tilly Netherlands](https://www.tamtam.ai/c/baker-tilly-netherlands) (bakertilly.nl)<br>Baker Tilly offers comprehensive solutions for questions in accounting, tax, Brexit, mergers, reorganization, data analysis, and business succession for SMEs and the public sector | Financial Services | 🇳🇱 Utrecht | 1,057 | 1914 |
| 67 | [Taylor Wessing Benelux](https://www.tamtam.ai/c/taylor-wessing-benelux) (taylorwessing.com)<br>Global law firm providing innovative solutions to complex problems, enabling ideas to thrive and creating extraordinary results for clients worldwide | Law Practice | 🇳🇱 Amsterdam | 1,045 | 2015 |
| 68 | [Customs Support Group](https://www.tamtam.ai/c/customs-support-group) (customssupport.com)<br>Leading European provider of customs and trade solutions enhancing cross-border operations, compliance, cost optimization, and operational efficiency. | International Trade and Development | 🇳🇱 Rotterdam | 1,037 | 1999 |
| 69 | [TMI Interim](https://www.tamtam.ai/c/tmi-interim) (tmi.nl)<br>An Amsterdam based deployment agency specializing in healthcare, offering various contracts and executive search services in nursing, paramedics, and medical specialist sectors Expanding internationally since 2001 | Hospitals and Health Care | 🇳🇱 Amsterdam | 1,024 | 2001 |
| 70 | [Admin](https://www.tamtam.ai/c/admin-emmen)<br>The company offers financial and payroll services, tax assistance, business advice, and staffing solutions to support businesses in various sectors | Financial Services | 🇳🇱 Emmen | 1,008 | 2016 |
| 71 | [Kiwa Nederland](https://www.tamtam.ai/c/kiwa-nederland) (kiwa.com)<br>A global leader in testing, inspection, and certification services, ensuring trust in products, services, processes, systems, and employees for clients worldwide | Professional Services | 🇳🇱 Rijswijk | 984 |  |
| 72 | [VIRO](https://www.tamtam.ai/c/viro) (viro-group.com)<br>Innovative engineering firm specializing in project management and engineering solutions for various industries, enabling clients to achieve their ambitions | Engineering Services | 🇳🇱 Hengelo | 983 | 1968 |
| 73 | [de Jong & Laan](https://www.tamtam.ai/c/de-jong-and-laan) (jonglaan.nl)<br>Specialists in assisting individuals and SMEs with incorporation, tax, social security, residency, immigration, and asset management in the Netherlands | Business Consulting and Services | 🇳🇱 Amsterdam | 974 | 1988 |
| 74 | [Bender Groep](https://www.tamtam.ai/c/bender-groep) (bendergroep.nl)<br>The company focuses on growth in healthcare, social sector, spatial domain, and childcare by providing diverse assignments, training, and coaching for personal and professional development | Staffing and Recruiting | 🇳🇱 Utrecht | 970 | 2003 |
| 75 | [Ecorys](https://www.tamtam.ai/c/ecorys) (ecorys.com)<br>This company provides research, consulting, communications, and management services to develop, deliver, and evaluate public policy on an international scale | Research Services | 🇳🇱 Rotterdam | 954 | 1929 |
| 76 | [WEB](https://www.tamtam.ai/c/web) (one-web.nl)<br>Providing support and consultancy in Industrial Engineering, Product Development, and Software Engineering for high-tech companies in Eindhoven area, Netherlands Matching talent with opportunities | Engineering Services | 🇳🇱 Eindhoven | 949 | 2017 |
| 77 | [Randstad Nederland](https://www.tamtam.ai/c/randstad-nederland) (randstad.nl)<br>Connecting individuals with suitable job opportunities and organizations, emphasizing personal motivations and the importance of work in life. | Human Resources Services | 🇳🇱 Diemen | 929 | 1960 |
| 78 | [Aethon.nl](https://www.tamtam.ai/c/aethon-nl) (aethon.nl)<br>Connecting talented individuals to meaningful work in various social sectors through training programs, ensuring continuity and flexibility for organizations while supporting career growth for individuals | Staffing and Recruiting | 🇳🇱 Rijswijk | 924 | 2005 |
| 79 | [AKD](https://www.tamtam.ai/c/akd) (akd.eu)<br>Delivers high-quality legal services and handles tax matters across nearly all legal fields in the Benelux region, involved in high-profile cases. | Law Practice | 🇳🇱 Amsterdam | 919 | 1917 |
| 80 | [ATS Global](https://www.tamtam.ai/c/ats-global) (ats-global.com)<br>ATS is an independent solution provider for smart digital transformation, specializing in automation, IT, manufacturing systems, quality management, and industry 40 solutions | Operations Consulting | 🇳🇱 Haarlem | 913 | 1986 |
| 81 | [OTTO Work Force](https://www.tamtam.ai/c/otto-work-force) (ottoworkforce.com)<br>Specializing in international recruitment services, the company aims to create a unified European labour market by prioritizing respect for clients and employees | Staffing and Recruiting | 🇳🇱 Venray | 878 | 2000 |
| 82 | [De Brauw Blackstone Westbroek](https://www.tamtam.ai/c/de-brauw-blackstone-westbroek) (debrauw.com)<br>The company delivers high-quality legal services globally, specializing in corporate law, litigation, arbitration, and compliance, with a focus on multidisciplinary, cross-border matters | Law Practice | 🇳🇱 Amsterdam | 878 | 1871 |
| 83 | [TAUW Nederland](https://www.tamtam.ai/c/tauw-nederland) (tauw.nl)<br>The company shapes a vital living environment by offering meaningful solutions through strong expertise and valuable partnerships | Environmental Services | 🇳🇱 Deventer | 840 | 1928 |
| 84 | [TopBUYers BV](https://www.tamtam.ai/c/topbuyers-bv) (topbuyers.nl)<br>A specialist in recruitment, placement, and management of procurement professionals in private and public sectors, offering quality guarantee and personalized services | Staffing and Recruiting | 🇳🇱 Maastricht | 826 | 1997 |
| 85 | [TPS B.V.](https://www.tamtam.ai/c/tps-b-v) (tpsgroep.nl)<br>The company offers traineeships to help graduates discover their ideal career path through a combination of work, learning, and personal development | Human Resources Services | 🇳🇱 Utrecht | 808 |  |
| 86 | [Randstad Groep Nederland](https://www.tamtam.ai/c/randstad-groep-nederland) (werkenbijrandstad.nl)<br>Randstad Group Netherlands leverages technology and personal touch to match candidates with meaningful careers and help clients navigate the future of work | Staffing and Recruiting | 🇳🇱 Diemen | 807 |  |
| 87 | [GrowWork Group](https://www.tamtam.ai/c/growwork-group) (growworkgroup.nl)<br>A group of service providers in the public sector committed to high-quality social services and long-term growth through a shared vision on work | Human Resources Services | 🇳🇱 's-Hertogenbosch | 805 |  |
| 88 | [Deerns](https://www.tamtam.ai/c/deerns) (deerns.com)<br>Independent engineering firm specializing in technical consulting and engineering solutions for various sectors worldwide, delivering high-quality services tailored to client's unique needs since 1928 | Engineering Services | 🇳🇱 The Hague | 800 | 1928 |
| 89 | [Talent&Pro](https://www.tamtam.ai/c/talent-and-pro) (talent-pro.com)<br>Leading total partner in the Netherlands for staffing, projects, and consulting in financial services Specializing in banking, insurance, actuarial, and pension sectors Headquarters in Utrecht | Financial Services | 🇳🇱 Utrecht | 798 |  |
| 90 | [NautaDutilh](https://www.tamtam.ai/c/nautadutilh) (nautadutilh.com)<br>A leading international law firm with 400 lawyers, notaries, and tax advisers across various offices, known for adaptive thinking and problem-solving for clients | Law Practice | 🇳🇱 Amsterdam | 787 |  |
| 91 | [Emixa](https://www.tamtam.ai/c/emixa) (emixa.com)<br>Connecting people, processes, and systems across product/service lifecycles. Empowering organizations to work smarter, faster, sustainably, through digital transformation and technology implementation. | IT Services and IT Consulting | 🇳🇱 Naarden | 783 |  |
| 92 | [Grant Thornton Netherlands](https://www.tamtam.ai/c/grant-thornton-netherlands) (grantthornton.nl)<br>A member of Grant Thornton International Ltd, offering audit, tax, and advisory services with a global network of professionals | Professional Services | 🇳🇱 Alphen aan den Rijn | 776 |  |
| 93 | [Team Rockstars IT](https://www.tamtam.ai/c/team-rockstars-it) (teamrockstars.nl)<br>A team of 600 skilled Native Software Developers and Data Engineers creating IT solutions for clients with a focus on developers' happiness and career growth | IT Services and IT Consulting | 🇳🇱 Den Bosch | 770 | 2015 |
| 94 | [Moore MKW](https://www.tamtam.ai/c/moore-mkw) (moore-mkw.nl)<br>Moore MKW is a forward-thinking accounting and advisory organization focused on personal happiness, business success, and societal contribution through teamwork and innovation | Financial Services | 🇳🇱 Zwolle | 769 | 2023 |
| 95 | [Optica](https://www.tamtam.ai/c/optica-zwolle) (optica.nl)<br>A national coaching and training agency specializing in reintegration and career guidance, guiding clients through seven steps towards sustainable re-entry into the job market | Professional Training and Coaching | 🇳🇱 Zwolle | 766 | 2008 |
| 96 | [STAR Specialists](https://www.tamtam.ai/c/star-specialists) (star-specialists.com)<br>The company focuses on energy transition and career development, catering to clients and specialists seeking progress and self-development for tomorrow | Staffing and Recruiting | 🇳🇱 Moerdijk | 765 | 2001 |
| 97 | [TOS People](https://www.tamtam.ai/c/tos-people) (tospeople.com)<br>A family-owned maritime services provider offering selection, secondment, payroll, and training for various industries worldwide, focusing on people and quality service | Staffing and Recruiting | 🇳🇱 Rotterdam | 763 | 1992 |
| 98 | [GGZ](https://www.tamtam.ai/c/ggz) (ggz.nl)<br>GGZ is a consultancy for healthcare leaders and entrepreneurs, providing expertise in mental health through a team of advisors, therapists, and researchers | Mental Health Care | 🇳🇱 Amsterdam | 758 | 2011 |
| 99 | [KPMG Meijburg & Co](https://www.tamtam.ai/c/kpmg-meijburg-and-co) (meijburg.nl)<br>A leading tax advisory firm in the Netherlands, providing proactive and objective high-quality tax advice for complex tax issues | Financial Services | 🇳🇱 Amstelveen | 742 | 1939 |
| 100 | [Meijers Assurantiën](https://www.tamtam.ai/c/meijers-assurantien) (meijers.nl)<br>Independent insurance broker providing mediation between insurers and insured parties, advising clients on risk coverage for national and international clients with peace of mind | Insurance | 🇳🇱 Amstelveen | 740 | 1973 |

## How this list is built

Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.

## More company lists in the Netherlands

- [The largest companies in the Netherlands](https://www.tamtam.ai/l/largest-companies-netherlands) (12,236)
- [Multinational companies in the Netherlands](https://www.tamtam.ai/l/multinational-companies-netherlands) (2,510)
- [Retail chains in the Netherlands](https://www.tamtam.ai/l/retail-chains-netherlands) (1,138)
- [Transportation, Logistics, Supply Chain and Storage companies in the Netherlands](https://www.tamtam.ai/l/transportation-logistics-supply-chain-and-storage-companies-netherlands) (825)
- [Logistics companies in the Netherlands](https://www.tamtam.ai/l/logistics-companies-netherlands) (791)
- [Manufacturers in the Netherlands](https://www.tamtam.ai/l/manufacturers-netherlands) (770)
- [Critical infrastructure operators in the Netherlands](https://www.tamtam.ai/l/critical-infrastructure-operators-netherlands) (765)
- [SaaS companies in the Netherlands](https://www.tamtam.ai/l/saas-companies-netherlands) (758)
- [Software Development companies in the Netherlands](https://www.tamtam.ai/l/software-development-companies-netherlands) (748)
- [Companies with in-house R&D in the Netherlands](https://www.tamtam.ai/l/r-and-d-companies-netherlands) (738)
- [IT Services and IT Consulting companies in the Netherlands](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-netherlands) (690)
- [Financial services firms in the Netherlands](https://www.tamtam.ai/l/financial-services-firms-netherlands) (688)
- [Healthcare providers in the Netherlands](https://www.tamtam.ai/l/healthcare-providers-netherlands) (675)
- [Hospitals and Health Care companies in the Netherlands](https://www.tamtam.ai/l/hospitals-and-health-care-companies-netherlands) (620)
- [Family-owned companies in the Netherlands](https://www.tamtam.ai/l/family-owned-companies-netherlands) (617)
- [IT services companies in the Netherlands](https://www.tamtam.ai/l/it-services-companies-netherlands) (585)
- [Financial Services companies in the Netherlands](https://www.tamtam.ai/l/financial-services-companies-netherlands) (572)
- [Consulting firms in the Netherlands](https://www.tamtam.ai/l/consulting-firms-netherlands) (568)
- [Hotel and hospitality groups in the Netherlands](https://www.tamtam.ai/l/hospitality-groups-netherlands) (514)
- [Truck Transportation companies in the Netherlands](https://www.tamtam.ai/l/truck-transportation-companies-netherlands) (514)
- [Hardware manufacturers in the Netherlands](https://www.tamtam.ai/l/hardware-companies-netherlands) (447)
- [Distributors and wholesalers in the Netherlands](https://www.tamtam.ai/l/distributors-and-wholesalers-netherlands) (427)
- [Companies with a mobile app in the Netherlands](https://www.tamtam.ai/l/companies-with-mobile-app-netherlands) (411)
- [Food and Beverage Manufacturing companies in the Netherlands](https://www.tamtam.ai/l/food-and-beverage-manufacturing-companies-netherlands) (397)

## The same list elsewhere in Netherlands

- [Professional services firms in North Holland](https://www.tamtam.ai/l/professional-services-firms-north-holland) (207)
- [Professional services firms in South Holland](https://www.tamtam.ai/l/professional-services-firms-south-holland) (145)
- [Professional services firms in North Brabant](https://www.tamtam.ai/l/professional-services-firms-north-brabant) (106)
- [Professional services firms in Gelderland](https://www.tamtam.ai/l/professional-services-firms-gelderland) (44)
- [Professional services firms in Overijssel](https://www.tamtam.ai/l/professional-services-firms-overijssel) (34)
- [Professional services firms in Amsterdam](https://www.tamtam.ai/l/professional-services-firms-amsterdam) (153)
- [Professional services firms in Utrecht](https://www.tamtam.ai/l/professional-services-firms-utrecht) (80)
- [Professional services firms in Rotterdam](https://www.tamtam.ai/l/professional-services-firms-rotterdam) (61)
- [Professional services firms in Eindhoven](https://www.tamtam.ai/l/professional-services-firms-eindhoven) (26)

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Source: https://www.tamtam.ai/l/professional-services-firms-netherlands