| # | Company | Employees |
|---|---|---|
| 1 |
Profesional Independientelinkedin.com
Platform for independent professionals to connect, collaborate, and grow expertise while strengthening personal brands and client relationships. |
360,666 |
| 2 |
Freelanceondira.com
Specializing in guiding the development, funding, and market launch of technological products through expert consultancy services |
108,120 |
| 3 |
Applus+applus.com
A global leader in testing, inspection, and certification services, providing innovative solutions for asset integrity, regulatory compliance, and environmental performance |
20,046 |
| 4 |
Grupo Social ONCEgruposocialonce.com
A partnership organization focused on promoting equality and inclusion, championing initiatives for today and tomorrow |
13,034 |
| 5 | 11,405 | |
| 6 |
ILUNIONilunion.com
A group of companies focused on creating a more accessible world, reinventing themselves daily to compete and move forward |
8,198 |
| 7 |
Accenture Españaaccenture.com
A global professional services company helping businesses and governments with digital transformation, cloud technology, data analytics, and industry expertise to drive tangible outcomes |
6,208 |
| 8 |
Management Solutionsmanagementsolutions.com
Providing consulting services in strategy, organization, risk management, and technology for financial, energy, and telecommunications sectors worldwide. |
4,798 |
| 9 |
Quirónprevenciónquironprevencion.com
Providing occupational risk prevention services, promoting workplace safety, and caring for employee health across multiple countries and industries. |
4,503 |
| 10 |
PwC Españapwc.es
Provides audit, tax, legal, consulting, and transaction services across Spain, helping businesses navigate change and build trust. |
3,761 |
| 11 |
DOMINION GLOBALdominion-global.com
A sustainable services company offering comprehensive solutions in industry, technology, energy, and infrastructure, focusing on efficiency and environmental friendliness Operating globally |
3,712 |
| 12 |
OCA GLOBALocaglobal.com
Inspection, quality control, certification, testing, consulting, and training services for diverse industries across multiple countries with international accreditations. |
3,275 |
| 13 | 2,923 | |
| 14 |
FI Groupfi-group.us
Global consulting company specializing in managing funding incentives for R&D tax reliefs and grants in 15 countries, helping companies finance innovation and secure funding |
2,510 |
| 15 |
Avanta Prevenciónavantaprevencion.com
Valora Prevención de Avanta Salud offers a prevention service for businesses, focusing on improving worker health, reducing risks, and ensuring legal compliance |
2,500 |
| 16 |
Applus+ Europeapplus.com
A global leader in testing, inspection, and certification services, offering innovative solutions for asset management, compliance inspections, and technical support |
1,963 |
| 17 |
IMAN GROUPimancorp.es
Provider of comprehensive external services including temporary work, direct recruitment, security, cleaning, reception, training, and consultancy for the food industry, nationally and internationally |
1,823 |
| 18 | 1,782 | |
| 19 |
NWorld Advisory, Tech & Operationsn.world
A group of specialized companies offering services in various stages of the value chain: Nfq, Nter, and Nforce |
1,701 |
| 20 |
Applus+ Oil and Gasapplus.com
A global leader in testing, inspection, and certification services, focusing on enhancing quality, safety, and environmental performance across various industries |
1,583 |
| 21 |
Grupo SIFUgruposifu.com
With 30 years of experience, the company offers a wide range of outsourced products and services, specializing in socially responsible Facility Services |
1,477 |
| 22 |
Nfq Advisory, Solutions, Outsourcingnfq.es
Consulting firm specializing in banking, insurance, capital markets with advisory, software solutions, and outsourcing services for financial institutions. |
1,393 |
| 23 |
Grupo Unísonogrupounisono.es
A multinational specializing in contact centers, business services, and consulting, focused on enhancing customer experience through precision, flexibility, customization, and innovation |
1,374 |
| 24 |
Applus+ Laboratoriesappluslaboratories.com
Global network of laboratories offering product development testing and certification services in various industries to enhance competitiveness and foster innovation with diverse career opportunities |
1,256 |
| 25 | 1,165 | |
| 26 |
JUNGLEwejungle.com
An ecosystem of creative companies specializing in transforming businesses using creativity across strategy, design, advertising, digital production, and more |
1,116 |
| 27 |
Empresa Confidencial
Specializing in industrial services or products, the company focuses on the manufacturing, production, or distribution of goods in the industrial sector |
1,078 |
| 28 | 1,003 | |
| 29 |
SDG Group Españasdggroup.com
Global consulting firm specializing in Data & Analytics, transforming organizations into successful data-driven enterprises through innovative analytics expertise and solutions |
974 |
| 30 |
PKF Attestpkf-attest.es
A leading professional services firm in Spain, part of PKF International Network, with over 600 professionals and 11 offices across the country |
904 |
| 31 |
ASPY Prevenciónaspyprevencion.com
Specializing in occupational health and safety, the company offers tailored solutions to ensure compliance and promote excellence in prevention |
885 |
| 32 |
Grant Thornton Españagrantthornton.es
Leading global professional services provider, specializing in Audit, Business Consulting, Technology & Innovation, Tax, Legal, Financial, Labor, and Outsourcing services. |
880 |
| 33 |
The Cocktail
The Cocktail is a consultancy specializing in digital transformation projects, offering strategy development, design, technology, data analysis, and international solutions within WPP group |
864 |
| 34 |
DEKRA Españadekra.es
DEKRA is a global organization providing safety and inspection services in over 60 countries, with a focus on vehicle, home, and workplace safety |
746 |
| 35 |
Ingenieros Emetres (Im3)ingenieros-im3.com
The company provides engineering services such as studies, design, construction management, and legalization, with a focus on multidisciplinary teams and industry trends |
672 |
| 36 |
Consultora Independentefreelancehubs.com
An independent IT consulting company offering a wide range of services, including system analysis, implementation, integration, support, security, project management, governance, and auditing |
648 |
| 37 |
ClarkeModetclarkemodet.com
Leading international group providing comprehensive IP services in Latin America and Europe Specializing in various industries with a team of 500+ professionals |
641 |
| 38 |
Forvis Mazars in Spainforvismazars.com
An international firm providing audit, consulting, legal, and tax advisory services, committed to helping clients and professionals succeed while promoting trust and responsibility |
640 |
| 39 | 640 | |
| 40 |
MAS Prevenciónspmas.es
The company offers global health vision beyond job positions with over 30 years of experience in Occupational Risk Prevention services |
637 |
| 41 | 619 | |
| 42 | 605 | |
| 43 |
INTEDYA (International Dynamic Advisors)intedya.com
A global consulting firm specializing in training, auditing, and implementation of international standards to drive competitive development and excellence in various industries |
597 |
| 44 |
Lídia Vàzquez | Consultoría de Seguridad Alimentariaseguretatalimentaria.info
Consulting services in food safety and quality, specializing in IFS Food, BRCGS, and FSSC 22000 certifications Assistance with risk management, legislation, and process improvement |
592 |
| 45 |
Spanish Chamber of Commercecamara.es
Representative body of territorial Chambers of Commerce, collaborating with General State Administration to execute Competitiveness and Internationalisation Plans for Spanish companies |
578 |
| 46 |
Grupo Empresarial Electromédicogeelectromedico.com
The Electro medical Business Group provides 24/7 technology solutions to hospitals, enhancing efficiency and quality of patient care Considered a strategic maintenance partner |
550 |
| 47 |
Zabala Innovation Spainzabala.es
Support companies and organizations in innovation strategy, grant acquisition, project management, and securing regional, national, and European funding. |
544 |
| 48 |
Onet Iberiaonet.es
Provider of innovative solutions in business services including cleaning, maintenance, logistics, waste management, and personal services, with a strong European presence |
524 |
| 49 |
NATEEVOnateevo.com
NATEEVO develops digital solutions for global clients, specializing in digital transformation, marketing technologies, branding creation, and enhancing customer experiences across industries worldwide |
478 |
| 50 | 472 | |
| 51 |
Grupo El Castillogrupoelcastillo.com
The organization provides comprehensive and individualized socio-sanitary and socio-educational care for vulnerable individuals, with a focus on quality and continuous improvement |
466 |
| 52 |
Afianzaafianza.es
A team of 450+ professionals in Spain providing expert advice to businesses, focusing on adding value and promoting growth through tailored services |
463 |
| 53 |
Auren Internationalauren.com
Firm provides audit, consulting, tax, legal, and corporate finance services for organizations' sustainable development, offering solutions with experienced teams. |
461 |
| 54 | 459 | |
| 55 |
Naenae.global
A consulting firm specializing in business strategy and efficiency for telecom, corporations, and public entities, with a focus on customer experience innovation |
458 |
| 56 |
Baker Tilly España
A national business advisory firm offering audit, tax, legal advice, accounting, and management services to SMEs and multinational companies globally |
455 |
| 57 |
CE Consulting Empresarialceconsulting.es
CE Consulting Empresarial is a leading network of over 150 national and international consulting firms in Spain, providing fiscal, labor, accounting, legal services, and support for franchisees |
448 |
| 58 |
Novotec Consultores, S.A.novotec.es
A company specializing in providing comprehensive solutions for quality management, environmental sustainability, and occupational health and safety, while emphasizing knowledge, innovation, and client satisfaction |
437 |
| 59 |
Adlanteradlanter.com
The company offers comprehensive business support through expert divisions in tax, labor relations, accounting, international mobility, recruitment, and consulting services |
431 |
| 60 |
SCRM - Lidl International Hubscrm.lidl
A digital transformation company specializing in data-driven strategies, automation, personalized content, and omnichannel communication for retail and consumer markets globally |
388 |
| 61 |
LÁ NA FIRMAlanafirma.page
Consulting firm specializing in People Management and Communication Innovation Services include Employer Branding, Employee Experience, Talent Acquisition, Development, Change Management, Culture, and Marketing |
380 |
| 62 |
Europreveneuropreven.es
Europreven provides nationwide coverage with 70+ centers offering various occupational health and safety services including health surveillance, industrial hygiene, and workplace ergonomics |
378 |
| 63 |
Océano Atlánticogrupoceano.org
The company manages childhood, youth, culture, social services, sports, extracurricular activities, and offers in-person, remote, and online training Focuses on leisure and social development projects |
376 |
| 64 |
Estudio Contableestudio-contable.es
A consultancy in Estepona providing comprehensive tax, accounting, labor, and financial advice for businesses, as well as personalized services for entrepreneurs and individuals |
361 |
| 65 |
Overlapoverlap.net
Specialized consultancy implementing commercial and business strategies through learning and development, with 300+ professionals in Spain, Mexico, Brazil, Colombia, and Peru Sector-specific solutions globally |
361 |
| 66 |
Laboral Grouplaboralgroup.com
A national company specializing in legal compliance solutions for businesses, offering tailored services in workplace safety, data protection, and food safety |
358 |
| 67 |
Globant GUTglobant.com
Creative, marketing, and digital media studio using AI and technology to enhance brand identities, focusing on innovation and empowerment |
354 |
| 68 |
Conversia Consulting Groupconversia.es
Consulting and training services for SMEs and professionals focused on compliance with data protection and digital communication regulations in Spain. |
347 |
| 69 |
GESVALTgesvalt.es
Specialized consulting firm in asset valuation, mainly focused on real estate, industrial, and financial assets Independent, with experienced professionals and regulatory approvals |
324 |
| 70 |
VISEO IBERIAiberia.viseo.com
Global digital and business consulting, assisting clients' transformation journeys with advanced technology, ensuring lasting results and successful business transformations. |
320 |
| 71 |
Valora Consultoresvaloraconsultores.com
Consulting firm specializing in sustainability strategies, innovation, technology solutions, and corporate responsibility for public and private organizations globally. |
317 |
| 72 |
Findasensees.findasense.com
Global Brand Experience company providing consulting, agency, and technology integration services. Focus on creating frictionless consumer journeys, using data science for personalized experiences. |
315 |
| 73 |
BIP Spainbip-group.es
An international consultancy specializing in end-to-end business transformation through growth strategies, digital transformation, and operational efficiency, serving clients in various industries worldwide |
305 |
| 74 |
Cámara de Comercio de Sevillacamaradesevilla.com
The company represents, promotes, and defends the interests of businesses in Sevilla, providing services, acting as a consultative body, and collaborating with public administrations |
294 |
| 75 |
Innova-tsninnova-tsn.com
A leading expert in BI and Advanced Analytics solutions, providing end-to-end services worldwide with a focus on innovation and talent |
290 |
| 76 |
Integraintegra-soluciones.net
Specialists in SAP Successfactors-based personnel, payroll, and talent management solutions, enabling digital transformation and HR process improvement for organizations. |
278 |
| 77 |
TAX Economistas y Abogadostax.es
A group of 50 professionals with over 35 years of experience providing personalized tax, legal, accounting, auditing, and insurance services to businesses of all sizes |
278 |
| 78 |
Gesemegeseme.com
Comprehensive management of occupational health and safety, IT, disability processes, medical services, and expertise with trusted professionals by 5,000+ companies |
270 |
| 79 |
Ibersys Seguridad y Salud S.L.Uavantaprevencion.com
Leading provider of comprehensive Occupational Health and Safety services, focusing on quality, customer service, innovation, adaptability, and trust-building for companies of all sizes and industries |
231 |
| 80 |
IEU LABsieulabs.ie.edu
IEU Labs offer hands-on internship-like experience on campus for first and second year students to gain professional practice and build their network |
222 |
| 81 |
BUKIT BPObukitbpo.com
A global Business Process Outsourcing company offering innovative solutions, technology, and expertise to help organizations improve operational efficiency and achieve their goals |
210 |
| 82 | 210 | |
| 83 |
Grupo Isonorgrupoisonor.es
An umbrella consultancy group offering specialized solutions to improve productivity, quality, and results for private and public entities across all sectors |
208 |
| 84 |
Quadrante Izhariaizharia.com
Specialized in engineering for renewable energy projects, particularly in substation and power line design, environmental impact assessments, civil engineering, and construction supervision services |
204 |
| 85 |
Polarier S.L.polarier.com
Specialized in industrial laundry implementation and management, offering personalized solutions for maximum efficiency and cost savings through innovative methods and software |
193 |
| 86 |
Fraterprevencionfraterprevencion.com
A leading company in occupational risk prevention, offering nationwide coverage through 150 centers and 26 mobile units Providing quality and comprehensive services to meet the needs of all businesses |
193 |
| 87 |
Sg Techsgtech.tech
With over 20 years of experience, the company specializes in digital transformation, project management, and technology services across various sectors |
188 |
| 88 |
Sisteplantsisteplant.com
Industrial engineering and consultancy firm specializing in optimizing operations profitability through lean Agile manufacturing strategies, maintenance engineering, and advanced manufacturing solutions |
185 |
| 89 | 185 | |
| 90 |
Ambit Iberiaambit-iberia.com
Specialized in IT solutions and services, integrating knowledge and technology to meet diverse project and business technology needs effectively. |
183 |
| 91 |
FK2
An BPO specializing in operation and service management for banks, focusing on process automation and continuous improvement in various financial service categories |
180 |
| 92 |
UR Globalurglobal.com
A Spanish company with over 20 years of experience in international projects, commercial implementations, and comprehensive services for SMEs in various countries |
180 |
| 93 |
Grupo Tecnitasatecnitasa.es
A valuation, consulting, and sustainability company with a strong presence in Spain, Mexico, Portugal, and Colombia, offering comprehensive and reliable services globally |
179 |
| 94 |
Winchannel, S.L.winchannel.es
With roots dating back to 2004, this company leverages expertise in IT distribution to provide value to various industries through efficient and results-oriented project management |
175 |
| 95 |
Russell Bedford Españarussellbedford.es
A global professional services firm specializing in audit, financial advisory, tax, accounting, and human resources services with a sector-specific approach |
173 |
| 96 |
Aquanima Grupo Santanderaquanima.com
Global leader in procurement services and third-party risk management with over 20 years of experience, offering strategic solutions and comprehensive value services globally |
173 |
| 97 | 173 | |
| 98 |
GOBALgobal.com.ar
A company dedicated to comprehensive management of labor relations, focusing on client proximity, excellent solutions, transparency, and effective results |
172 |
| 99 |
ElAyudanteelayudante.es
Offering executive assistance and consulting services, our team simplifies managing tasks such as purchasing strategies, supplier negotiations, and business communication |
171 |
| 100 |
Crisolcrisolevaluacion.com
The company specializes in evaluative research to enhance social welfare through systematic program evaluation and tailored training programs for companies |
169 |
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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 Oct 9, 2026.
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