These professional services firms in Hesse represent a mix of established large enterprises and mid-sized companies. The list is notably strong in business consulting, IT services, and engineering. For example, PwC Deutschland is a major auditing and consulting firm, T-Systems International provides extensive IT solutions, and EDAG Group specializes in engineering services for mobility and defense. CMS is a global law firm, while d-fine focuses on data science and technology consulting.
The headquarters locations show a clear concentration in Frankfurt, which hosts many of these firms, including PwC, T-Systems, CMS, and d-fine. Wiesbaden also features prominently with companies like EDAG Group and SVA System Vertrieb Alexander GmbH. The founding dates span several decades, indicating a sustained presence of professional services in the region, with some firms like VDE having a history stretching back to the late 19th century.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
PwC Deutschlandpwc.de
A leading auditing and consulting firm in Germany, offering services worldwide with expertise in assurance, tax, legal, deals, and strategy advisory |
11,566 | |||
| 2 |
T-Systems Internationalt-systems.com
Provides end-to-end IT solutions, cloud migration, and industry-specific digital transformation services with strong security and global presence. |
10,768 | |||
| 3 |
EDAG Groupedag.com
Engineering service provider for mobility, defense, industry, and public solutions, developing complex products, systems, and production solutions with an interdisciplinary team. |
8,500 | |||
| 4 | 7,944 | ||||
| 5 |
SVA System Vertrieb Alexander GmbHsva.de
A leading system integrator in Germany, offering IT products and services, data center infrastructure, business continuity, IT service management, SAP solutions, and operational support |
3,101 | |||
| 6 |
d-fined-fine.com
European consultancy specializing in data science, technology, and mathematical modeling with diverse teams and flexible working models. |
1,785 | |||
| 7 |
PharmaLexpharmalex.com
Global pharmaceutical solutions organization providing support to pharma, biotech, and medtech industries through strategic planning, clinical development, regulatory submissions, and post-launch activities |
1,739 | |||
| 8 |
DQSdqsglobal.com
International headquarters overseeing 85 offices in 60 countries, providing top 10 certification services for management systems with 2,500 auditors and expertise in various sectors |
1,611 | |||
| 9 |
Randstad Deutschlandrandstad.de
Connecting specialized talents with companies worldwide, building diverse and agile teams, and providing equitable career opportunities. |
1,393 | |||
| 10 |
Universal-Investmentuniversal-investment.com
Providing comprehensive fund services and administration for asset managers and institutional investors across multiple European domiciles with regulatory compliance. |
1,343 | |||
| 11 |
AUMOVIO Engineering Solutionsengineering-solutions.aumovio.com
Providing flexible, customized engineering and production solutions in electrification, AI energy optimization, lightweight design, and sustainable remanufacturing for automotive and related industries. |
1,253 | |||
| 12 |
Amadeus Fireamadeus-fire.de
Specialized personnel services provider with over 35 years of experience in commercial and IT sectors, offering temporary employment, recruitment, and interim management solutions |
1,124 | |||
| 13 |
Dorsch Gruppedorsch.com
An innovative consulting and engineering partner with a focus on transport, water, architecture, energy, and industry projects globally |
1,001 | |||
| 14 | 993 | ||||
| 15 | 971 | ||||
| 16 |
Hengeler Muellerhengeler.com
An international law firm specializing in high-end legal advice for complex business transactions, disputes, and special situations for a range of clients worldwide |
932 | |||
| 17 |
FFT Produktionssystemefft.de
Global provider of automation and digitalization solutions for production facilities, offering innovative solutions and expertise in engineering, process optimization, and virtual commissioning |
927 | |||
| 18 |
Senacor Technologiessenacor.com
A leading IT consulting company with over 20 years of experience, specializing in Banking & Insurance, Mobility, and Public Sector industries |
891 | |||
| 19 |
Genoverband e.V.genoverband.de
A support and advisory association for over 2,600 cooperatives, providing trust, proximity, and security while promoting competitiveness and societal value since 1862 |
887 | |||
| 20 |
Infraserv GmbH & Co. Höchst KGinfraserv.com
Infraserv Höchst provides comprehensive solutions for chemical and pharmaceutical companies, offering services in energy supply, waste management, facility management, and more |
862 | |||
| 21 |
GOPA Worldwide Consultantsgopa.eu
Leader in development consultancy, specializing in developing and transitioning economies Over 50 years of experience in over 130 countries implementing management and training projects |
743 | |||
| 22 |
HAUCK AUFHÄUSER LAMPEhal-privatbank.com
Private bank specializing in advisory, asset management, corporate banking, investment banking, fund services, and capital market activities for clients. |
721 | |||
| 23 | 664 | ||||
| 24 |
GOPAgopa-group.org
Designs and directs strategies for global economy, combining multidisciplinary expertise to implement impactful projects in diverse political and economic environments. |
659 | |||
| 25 |
ManpowerGroup Deutschlandmanpowergroup.de
A leading personnel services provider in Germany offering tailored solutions in recruitment, training, outsourcing, and consulting for over 60 years |
647 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
Miebachmiebach.com
Consulting and engineering services for supply chain optimization, cost efficiency, automation, and operational excellence across multiple industries worldwide. |
642 | |||
| 27 |
Campana & Schottcampana-schott.com
International consultancy specializing in digitalization, New Work, sustainability, and organizational transformations for major corporations and mid-size companies. |
569 | |||
| 28 |
msg for banking agmsgforbanking.de
A leading provider of intelligent, innovative, and platform-based digital solutions for banking, with a focus on optimization and transformation of financial businesses |
562 | |||
| 29 |
Julius Berger International GmbHjulius-berger-int.com
A large engineering firm providing integrated design, engineering, construction and project management services in the Rhine-Main metropolitan region with over 300 employees |
533 | |||
| 30 |
INFOMOTION GmbHinfomotion.de
Consulting company specializing in data analytics, digital transformation, strategic consulting, implementation, operation, and training for diverse industries. |
520 | |||
| 31 |
Freiberuflerschneidenbachcoaching.de
Helps individuals achieve a career without limits and a private life without compromises, offering a flexible and balanced professional journey. |
506 | |||
| 32 |
NTT Germany AG & Co. KGglobal.ntt
An IT infrastructure and services company, part of NTT DATA, supporting Fortune Global 500 organizations with Edge-to-Cloud networking solutions |
466 | |||
| 33 |
Unternehmensberatungexete.cc
We are a well-coordinated team of business consultants focused on simplifying and facilitating company formations for our clients |
450 | |||
| 34 | 445 | ||||
| 35 |
TÜV Hessentuev-hessen.de
Ensuring safety, environmental protection, quality, and marketability for facilities, products, and services through testing, certification, and management systems with 1400 employees. |
456 | |||
| 36 |
MRH Trowemrh-trowe.com
Support companies minimizing risks, securing business processes, retaining employees, and ensuring liquidity through insurance, benefits, and financial solutions. |
432 | |||
| 37 |
KREBS+KIEFER Ingenieure GmbHkuk.de
The company specializes in creating sustainable infrastructure and buildings, providing engineering services, and focusing on innovation and responsibility for over 70 years |
389 | |||
| 38 |
Dorsch Europeeurope.dorsch.com
A global engineering consultancy offering tailor-made solutions in infrastructure planning and advising, with expertise in areas such as airports, transportation, and energy |
388 | |||
| 39 |
TECOSIM Grouptecosim.com
A global specialist in computer-aided engineering, TECOSIM provides innovative solutions for transport, energy, health, and industry sectors, prioritizing international growth and employee development |
378 | |||
| 40 | 374 | ||||
| 41 |
Maswer Groupmaswer.com
Specializing in test solutions, TestTest provides innovative testing services to improve product quality and efficiency |
373 | |||
| 42 |
TRACTEBEL [Germany]tractebel-engie.de
A leading consulting engineering company offering services in energy, hydropower, water resources, water supply, wastewater management, building, and transportation sectors globally |
372 | |||
| 43 |
JOB AGjob-ag.com
Specialized group providing staffing services with expert knowledge in various industries, focusing on future market trends and leading the way in Germany |
369 | |||
| 44 |
Apleona Real Estate Managementrealestate.apleona.com
A leading real estate management company in Germany, Austria, and Poland, offering comprehensive services such as property management, asset management, leasing, and construction management |
324 | |||
| 45 |
Carpe Diem GmbHc-d-engineering.de
Founded in 1999 as an international project development company, the Carpe Diem GmbH offers services in engineering, project management, coordination, financing, and knowledge transfer |
322 | |||
| 46 |
PRODYNAprodyna.com
Specializing in customer experience, digitalization, and cloud computing strategies, this company designs, implements, and operates custom software applications for mid- to large-sized enterprises worldwide |
321 | |||
| 47 |
Mercer Deutschland GmbHmercer.de
Global firm reshaping retirement, investment outcomes, and well-being Part of Marsh & McLennan, leading professional services firm Operates in 130+ countries |
296 | |||
| 48 |
PROFI Engineering Systems AGprofi-ag.de
A German IT solution house with 30+ years of experience in optimizing IT processes and guiding digital transformation for customers |
278 | |||
| 49 |
DFS Aviation Services GmbHdfs-as.aero
DFS Aviation Services specializes in providing air navigation services, consultancy, engineering, training, and remote tower solutions to clients globally |
255 | |||
| 50 |
Savills Germanysavills.de
Global real estate services provider with an extensive network of over 40,000 employees in 700+ offices worldwide, spanning multiple regions |
239 | |||
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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 Hesse
- The largest companies in Hesse 1,378
- Multinational companies in Hesse 466
- Financial services firms in Hesse 205
- Companies with in-house R&D in Hesse 200
- Manufacturers in Hesse 163
- Critical infrastructure operators in Hesse 156
- Financial Services companies in Hesse 141
- Transportation, Logistics, Supply Chain and Storage companies in Hesse 124
- Retail chains in Hesse 110
- SaaS companies in Hesse 94
- Hardware manufacturers in Hesse 93
- Family-owned companies in Hesse 88
- Software Development companies in Hesse 86
- IT Services and IT Consulting companies in Hesse 80
- Banking companies in Hesse 77
- Consulting firms in Hesse 74
- IT services companies in Hesse 66
- Corporate groups and holding companies in Hesse 65
- Public sector organisations in Hesse 65
- Companies with a mobile app in Hesse 61
- Logistics companies in Hesse 57
- Publicly traded companies in Hesse 53
- Automotive manufacturers and suppliers in Hesse 45
- Chemical companies in Hesse 45
The same list elsewhere in Germany
- Professional services firms in Germany 690
- Professional services firms in Bavaria 154
- Professional services firms in North Rhine-Westphalia 147
- Professional services firms in Baden-Württemberg 90
- Professional services firms in Munich 91
- Professional services firms in Berlin 78
- Professional services firms in Hamburg 58
- Professional services firms in Frankfurt 36
- Professional services firms in Cologne 30
- Professional services firms in Düsseldorf 28
- Professional services firms in Stuttgart 25