These Finnish professional services firms specialize in IT services, engineering, and consulting. The list includes large established companies like Tieto, which provides software and technology consulting, and Pöyry, a global engineering, design, and advisory firm. Other notable companies are Etteplan, focusing on industrial engineering and technology, and VTT, a leading research and technology company.
A significant number of these firms, such as Tietoevry, Digia Plc, and PwC Finland, are headquartered in Helsinki. Another pattern is the presence of several human resources and staffing companies, including Barona and Seure Henkilöstöpalvelut Oy, indicating a strong support sector for workforce management.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 12,353 | ||||
| 2 | 9,343 | ||||
| 3 | 3,966 | ||||
| 4 |
Etteplanetteplan.com
Enabling breakthroughs, bringing people and technology together, changing industrial businesses for the better through engineering and technology services. |
2,954 | |||
| 5 |
VTTvttresearch.com
A leading research and technology company in the Nordic countries, offering innovative services and solutions to give partners a competitive edge globally |
2,810 | |||
| 6 | 1,763 | ||||
| 7 | 1,630 | ||||
| 8 |
Sitowisesitowise.com
Creating sustainable and responsible smart cities Providing solutions for everyday life that prioritize sustainability |
1,504 | |||
| 9 | 1,392 | ||||
| 10 |
Granlundgranlund.fi
A Finnish company in the real estate and construction sectors with over 1400 professionals, offering services in MEP design, property management, energy consulting, and more |
1,329 | |||
| 11 |
KPMG Finlandkpmg.com
Global professional firm providing Audit, Tax, Legal, and Advisory services in 143 countries Over 1800 employees in Finland and Estonia Offers diverse career opportunities |
1,168 | |||
| 12 |
Seure Henkilöstöpalvelut Oyseure.fi
A public-sector staffing agency specializing in temporary placements, supporting clients in personnel planning and recruitment to ensure quality public services and employee satisfaction |
1,102 | |||
| 13 |
PwC Finlandpwc.fi
Building trust, solving significant problems, and helping businesses grow and operate effectively through consulting, tax, legal, and assurance services in a changing environment |
1,054 | |||
| 14 |
A-Insinööritains.fi
A Finnish construction engineering and consulting firm, A-Insinöörit creates sustainable environments, offering a range of planning and project management services in various sectors |
957 | |||
| 15 |
StaffPoint Oystaffpoint.fi
StaffPoint Group focuses on personnel services, training, coaching, and digital/ICT talent recruitment to enhance working life for employees and companies |
912 | |||
| 16 |
Reaktorreaktor.com
A global technology consultancy specializing in designing and building digital products for industry leaders, fostering a high-performing software development culture |
761 | |||
| 17 |
Sofigatesofigate.com
Experts in business technology, digital transformation, generative AI, and platforms like ServiceNow and Salesforce across multiple European countries. |
755 | |||
| 18 |
Rantalainen Oyrantalainen.fi
A reliable Finnish financial services group offering modern accounting solutions for businesses with personalized service and a strong national network |
751 | |||
| 19 |
Greenstepgreenstep.com
A family-owned company providing comprehensive business services including accounting, payroll, CFO, tax, legal, HR, finance, analytics, sustainability, and L&D Operating globally through a network |
745 | |||
| 20 |
Citec Groupcitec.com
The company specializes in industrial and product engineering, technical documentation, and digital solutions on a global scale, impacting lives through innovative projects |
738 | |||
| 21 |
Kiwa Suomikiwa.com
A global leader in safety, quality, and reliability services across various industries, offering testing, inspection, certification, consulting, and training services Employing over 10,000 people in 40+ countries |
710 | |||
| 22 |
WSP in Finlandwsp.com
A Finnish design and consulting company with 700 experts creating sustainable environments, shaping the built environment, and leveraging a global innovation program |
685 | |||
| 23 | 677 | ||||
| 24 |
Elomaticelomatic.com
An international consulting and engineering firm offering expert services and solutions to industries worldwide, focused on sustainable development and enhancing wellbeing |
645 | |||
| 25 |
Rejlers Finlandrejlers.fi
Innovative engineering consultancy firm dedicated to creating a sustainable society and promoting green solutions in industry, construction, energy, and infrastructure projects |
632 | |||
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 |
Talenomtalenom.com
A leading accounting firm in Finland offering professional financial administration services to domestic and international companies, listed on the Helsinki Stock Exchange |
611 | |||
| 27 |
Roschierroschier.com
A leading law firm in the Nordic region advising on international business law and transactions with a strong team of lawyers |
572 | |||
| 28 |
Eficodeeficode.com
A leading DevOps company in Europe driving the DevOps and Agile movement, providing services in DevOps, Agile, continuous delivery, test automation, and software creation |
537 | |||
| 29 |
Stariastaria.com
Tech-enabled financial services company offering solutions in over 40 countries with a focus on smart growth and tailored support for different growth stages |
496 | |||
| 30 |
NTT DATA Business Solutions Nordicsnttdata-solutions.com
NTT DATA Business Solutions drives innovation in SAP solutions, providing advisory, implementation, and managed services to help companies transform and succeed globally |
478 | |||
| 31 |
Deloitte Finlanddeloitte.fi
A global expert organization offering auditing, consulting, risk management, tax, legal advice, and M&A services to help clients succeed worldwide Operating in 150+ countries |
431 | |||
| 32 |
Tribedo Oytribedo.fi
A vibrant team of approximately 900 finance, office, IT, and accounting professionals valuing a supportive work environment, meaningful tasks, flexibility, and growth opportunities |
418 | |||
| 33 |
FCG Finnish Consulting Groupfcg.fi
Partners with municipalities, companies, and communities in multidisciplinary urban planning, competence development, and good governance promotion, creating smooth, safe, and equal everyday life. |
413 | |||
| 34 |
Comatec Groupcomatec.fi
Engineering company offering full range of services for product development, from initial studies to maintenance, with expertise tailored to different industries |
411 | |||
| 35 |
BDO Finlandbdo.fi
This company provides high-quality accounting, tax, and advisory services to businesses, government entities, and other organizations in Finland and globally |
399 | |||
| 36 |
Siili Solutionssiili.com
Full-spectrum digital development partner specializing in AI-driven software solutions, combining development skills and industry knowledge to enhance competitiveness. |
398 | |||
| 37 |
Bolt.Workslinktr.ee
National staffing agency with expertise in recruiting for various industries such as logistics, construction, hospitality, and office support Innovative 24/7 mobile app available |
393 | |||
| 38 |
Fluidofluidogroup.com
Leading Salesforce consultancy in Europe, providing boutique consulting services to empower businesses through digital transformation, with a focus on customer success and trust |
390 | |||
| 39 |
Fellowmind [formerly known as eCraft Oy Ab]fellowmind.fi
European market leader accelerating digital transformation through Microsoft cloud solutions, agile development, integrated platforms, and user adoption to make technology enjoyable and effective |
388 | |||
| 40 |
Unikieunikie.com
A software engineering and innovation company infusing intelligence into machines, vehicles, and industrial solutions to enable clients to thrive in the digital future |
383 | |||
| 41 |
Sustera Groupsustera.com
Expertise in property lifecycle management ensuring buildings maintain condition, extend lifespan, reduce environmental impact, and increase overall value. |
371 | |||
| 42 |
Aspia Suomiaspia.fi
Providing financial, payroll, CFO, tax, legal, and HR services using modern technology to support business growth and management. |
362 | |||
| 43 |
ProAgriaproagria.fi
The leading agricultural expert organization in Finland offering rural business development services, consultation, and animal breeding to Finnish farms and rural SMEs |
356 | |||
| 44 |
Krogeruskrogerus.com
A diverse team of talented lawyers specializing in transactional, dispute resolution, and regulatory matters across various industries globally |
339 | |||
| 45 |
Wulff Group Plcwulff.fi
Provides products and services for enhancing work environments, including office supplies, facility management, catering, IT, ergonomics, first aid, air purifiers, and exhibition services across Nordic countries. |
320 | |||
| 46 |
Hannes Snellmanhannessnellman.com
A dedicated law firm offering a wide range of professional services in areas such as corporate advisory, dispute resolution, finance, and technology |
312 | |||
| 47 |
Milttonmiltton.com
Offers insight and inspiration through multidisciplinary expertise in communications, stakeholder relations, creativity, strategy, and foresight, empowering clients for growth and positive change. |
310 | |||
| 48 |
Boreniusborenius.com
A leading law firm in Finland, providing high-end legal services with a commitment to client success, innovation, and global collaboration |
254 | |||
| 49 |
Integrataintegrata.fi
Provides intelligent HR and payroll management solutions integrating future technologies to support emotionally intelligent and efficient workplace environments. |
233 | |||
| 50 |
ALM Partnersalmpartners.fi
A Finnish company specializing in financial asset and liability management, offering services to improve customer profitability and support key business decisions |
213 | |||
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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 Nov 12, 2026.
More company lists in Finland
- The largest companies in Finland 1,471
- Multinational companies in Finland 431
- Companies with in-house R&D in Finland 177
- Manufacturers in Finland 176
- Software Development companies in Finland 159
- SaaS companies in Finland 157
- Retail chains in Finland 150
- Critical infrastructure operators in Finland 116
- Public sector organisations in Finland 115
- Hardware manufacturers in Finland 111
- Publicly traded companies in Finland 110
- Companies with a mobile app in Finland 102
- IT Services and IT Consulting companies in Finland 101
- IT services companies in Finland 88
- Corporate groups and holding companies in Finland 84
- Education providers in Finland 82
- Government Administration companies in Finland 77
- Financial services firms in Finland 73
- Hotel and hospitality groups in Finland 69
- Family-owned companies in Finland 69
- AI companies in Finland 62
- Financial Services companies in Finland 62
- Subscription businesses in Finland 57
- Consulting firms in Finland 55