# The 30 largest corporate groups and holding companies in Helsinki

Tamtam tracks 39 corporate groups and holding companies headquartered in Helsinki. This list ranks the 30 largest by number of employees on LinkedIn, led by UPM, S-ryhmä / S Group and OP Pohjola. Their median headcount is 912. Half of them were founded in 1971 or later.

This selection of large corporate groups and holding companies in Helsinki reveals a concentration in retail, financial services, and manufacturing. Noteworthy examples include S-ryhmä / S Group, a cooperative network in retail and hospitality, and OP Pohjola, Finland's largest financial group. UPM is a global provider of renewable fibers and advanced materials, while Outokumpu specializes in sustainable stainless steel production. Kesko - K-Group is a major trading sector company, and Posti Group Oyj handles logistics and e-commerce.

The companies listed are predominantly large, established organizations, with several founded in the early to mid-20th century, such as S-ryhmä (1904) and Mehiläinen (1909). A significant pattern is the strong presence of companies providing essential services to consumers and businesses, ranging from finance and retail to healthcare and logistics, all headquartered within Helsinki.

🇫🇮 Helsinki · 30 companies · Updated Nov 11, 2026

| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [UPM](https://www.tamtam.ai/c/upm) (upm.com)<br>Global provider of renewable fibres, advanced materials, decarbonization solutions, and communication papers with strong sustainability focus. | Manufacturing | 🇫🇮 Helsinki | 18,000 |  |
| 2 | [S-ryhmä / S Group](https://www.tamtam.ai/c/s-ryhma-s-group) (s-ryhma.fi)<br>Network of cooperatives operating retail stores, services, banking, and hospitality across Finland and the Baltic region, serving co-op members. | Retail | 🇫🇮 Helsinki | 10,730 | 1904 |
| 3 | [OP Pohjola](https://www.tamtam.ai/c/op-pohjola) (op.fi)<br>Largest Finnish financial group promoting sustainable prosperity, security, and wellbeing through cooperative banks and subsidiaries serving millions. | Financial Services | 🇫🇮 Helsinki | 10,388 |  |
| 4 | [Kesko - K-Group](https://www.tamtam.ai/c/kesko-k-group) (kesko.fi)<br>A leading Finnish trading sector company with grocery, building, technical, and car trade operations, focusing on sustainability and employee development | Retail | 🇫🇮 Helsinki | 8,283 |  |
| 5 | [Mehiläinen](https://www.tamtam.ai/c/mehilainen) (mehilainen.fi)<br>Provider of social and healthcare services in Finland and internationally, offering high-quality care, investing in digitalization, with over 37,000 employees | Hospitals and Health Care | 🇫🇮 Helsinki | 4,824 | 1909 |
| 6 | [Outokumpu](https://www.tamtam.ai/c/outokumpu) (outokumpu.com)<br>Global leader in sustainable stainless steel production, turning recycled steel into long-lasting material used in various applications while actively working towards reducing carbon footprint | Primary Metal Manufacturing | 🇫🇮 Helsinki | 3,724 | 1932 |
| 7 | [Terveystalo](https://www.tamtam.ai/c/terveystalo) (terveystalo.com)<br>The largest private health care provider in Finland and a leading occupational health company in the Nordic region, offering a wide range of health services | Hospitals and Health Care | 🇫🇮 Helsinki | 3,410 | 2001 |
| 8 | [Posti Group Oyj](https://www.tamtam.ai/c/posti-group-oyj) (posti.fi)<br>A diverse team at a logistics company handles everything from e-commerce parcels to love letters, driven by innovation and opportunity | Transportation, Logistics, Supply Chain and Storage | 🇫🇮 Helsinki | 3,404 | 1638 |
| 9 | [Cargotec](https://www.tamtam.ai/c/cargotec) (hiabgroup.com)<br>Company rebranded from Cargotec to Hiab, now operating independently and publicly traded on Nasdaq Helsinki stock exchange. | Industrial Machinery Manufacturing | 🇫🇮 Helsinki | 1,772 |  |
| 10 | [SOL ☀](https://www.tamtam.ai/c/sol) (sol.fi)<br>A Finnish family-owned corporation providing a wide range of services from cleaning, facility, and security services to staffing and recruitment solutions | Facilities Services | 🇫🇮 Helsinki | 1,362 | 1991 |
| 11 | [Granlund](https://www.tamtam.ai/c/granlund) (granlund.fi)<br>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 | Civil Engineering | 🇫🇮 Helsinki | 1,329 | 1960 |
| 12 | [Fennia](https://www.tamtam.ai/c/fennia) (fennia.fi)<br>The company is a partner for financial security, offering specialized insurance services for businesses, entrepreneurs, and households, focusing on risk management solutions | Insurance | 🇫🇮 Helsinki | 1,190 | 1882 |
| 13 | [S-Pankki](https://www.tamtam.ai/c/s-pankki) (s-pankki.fi)<br>A Finnish bank within the S Group, offering financial services with a focus on convenience and benefits, integrating banking and retail services | Banking | 🇫🇮 Helsinki | 1,099 | 2007 |
| 14 | [Teknos](https://www.tamtam.ai/c/teknos) (teknos.com)<br>A global coatings company offering a wide range of paints for manufacturing, building, and consumers, with a focus on quality and innovation to protect and prolong | Paint, Coating, and Adhesive Manufacturing | 🇫🇮 Helsinki | 1,002 | 1948 |
| 15 | [StaffPoint Oy](https://www.tamtam.ai/c/staffpoint-oy) (staffpoint.fi)<br>StaffPoint Group focuses on personnel services, training, coaching, and digital/ICT talent recruitment to enhance working life for employees and companies | Human Resources Services | 🇫🇮 Helsinki | 912 | 1971 |
| 16 | [Alma Media](https://www.tamtam.ai/c/alma-media) (almamedia.fi)<br>Digital media company operating marketplaces and recruitment services across Europe, combining technology and content with local expertise. | Media Production | 🇫🇮 Helsinki | 873 |  |
| 17 | [Sanoma](https://www.tamtam.ai/c/sanoma) (sanoma.com)<br>Innovative and agile learning and media company with a focus on sustainability, providing learning products, media content, and marketing solutions across Europe | Book and Periodical Publishing | 🇫🇮 Helsinki | 853 |  |
| 18 | [Purmo Group](https://www.tamtam.ai/c/purmo-group) (purmogroup.com)<br>Manufacturing and distributing radiators, towel warmers, underfloor heating, convectors, valves, and controls for indoor climate comfort worldwide. | Manufacturing | 🇫🇮 Helsinki | 816 |  |
| 19 | [Rantalainen Oy](https://www.tamtam.ai/c/rantalainen-oy) (rantalainen.fi)<br>A reliable Finnish financial services group offering modern accounting solutions for businesses with personalized service and a strong national network | Financial Services | 🇫🇮 Helsinki | 751 | 1972 |
| 20 | [Eezy Oyj](https://www.tamtam.ai/c/eezy-oyj) (eezy.fi)<br>A Finnish company focused on improving working life through staffing, leadership development, recruitment, organizational development, and personnel surveys Publicly traded | Staffing and Recruiting | 🇫🇮 Helsinki | 677 |  |
| 21 | [Folkhälsan](https://www.tamtam.ai/c/folkhalsan) (folkhalsan.fi)<br>An organization focused on social and health care, research, welfare services, and education to promote health and quality of life in Finland | Wellness and Fitness Services | 🇫🇮 Helsinki | 675 | 1921 |
| 22 | [Metsähallitus](https://www.tamtam.ai/c/metsahallitus) (metsa.fi)<br>This company sustainably manages forests and waters, offering renewable resources, enabling nature experiences, and promoting responsible energy and tourism solutions | Environmental Services | 🇫🇮 Helsinki | 645 | 1859 |
| 23 | [Anora Group Plc](https://www.tamtam.ai/c/anora-group-plc) (anora.com)<br>A leading wine and spirits brand house in the Nordic region with a global focus on sustainability, exporting to over 30 markets worldwide | Beverage Manufacturing | 🇫🇮 Helsinki | 562 | 1888 |
| 24 | [Eficode](https://www.tamtam.ai/c/eficode) (eficode.com)<br>A leading DevOps company in Europe driving the DevOps and Agile movement, providing services in DevOps, Agile, continuous delivery, test automation, and software creation | IT Services and IT Consulting | 🇫🇮 Helsinki | 537 | 2005 |
| 25 | [Bluefors](https://www.tamtam.ai/c/bluefors) (bluefors.com)<br>Global leader in manufacturing cryogenic measurement systems for quantum technology, fundamental research, life sciences, and clean energy industries Known for reliability and versatility | Manufacturing | 🇫🇮 Helsinki | 486 | 2008 |
| 26 | [Senaatti-kiinteistöt](https://www.tamtam.ai/c/senaatti-kiinteistot) (senaatti.fi)<br>State-owned real estate specialist and workspace partner, creating supportive environments, maintaining assets, and preserving historical sites with a focus on sustainability | Real Estate | 🇫🇮 Helsinki | 482 | 1995 |
| 27 | [Kaupunkiliikenne Oy](https://www.tamtam.ai/c/kaupunkiliikenne-oy) (kaupunkiliikenne.fi)<br>HKL is responsible for tram and metro operations in Helsinki, employing over 1200 professionals in various roles for public transportation services | Rail Transportation | 🇫🇮 Helsinki | 446 |  |
| 28 | [Fintraffic](https://www.tamtam.ai/c/fintraffic) (fintraffic.fi)<br>Ensuring safe, smooth, and environmentally friendly movement on roads, rails, waterways, and air by providing real-time traffic information and control. | Transportation, Logistics, Supply Chain and Storage | 🇫🇮 Helsinki | 408 | 2019 |
| 29 | [Siili Solutions](https://www.tamtam.ai/c/siili-solutions) (siili.com)<br>Full-spectrum digital development partner specializing in AI-driven software solutions, combining development skills and industry knowledge to enhance competitiveness. | IT Services and IT Consulting | 🇫🇮 Helsinki | 398 | 2005 |
| 30 | [Consti](https://www.tamtam.ai/c/consti) (linktr.ee)<br>A leading renovation construction company in Finland, offering comprehensive renovation and technical building services to property owners and the public sector in growth centers | Construction | 🇫🇮 Helsinki | 350 | 2008 |

## 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 Helsinki

- [The largest companies in Helsinki](https://www.tamtam.ai/l/largest-companies-helsinki) (642)
- [Multinational companies in Helsinki](https://www.tamtam.ai/l/multinational-companies-helsinki) (206)
- [SaaS companies in Helsinki](https://www.tamtam.ai/l/saas-companies-helsinki) (91)
- [Software Development companies in Helsinki](https://www.tamtam.ai/l/software-development-companies-helsinki) (75)
- [Retail chains in Helsinki](https://www.tamtam.ai/l/retail-chains-helsinki) (63)
- [Companies with in-house R&D in Helsinki](https://www.tamtam.ai/l/r-and-d-companies-helsinki) (59)
- [Companies with a mobile app in Helsinki](https://www.tamtam.ai/l/companies-with-mobile-app-helsinki) (55)
- [Financial services firms in Helsinki](https://www.tamtam.ai/l/financial-services-firms-helsinki) (54)
- [Public sector organisations in Helsinki](https://www.tamtam.ai/l/public-sector-organisations-helsinki) (49)
- [Professional services firms in Helsinki](https://www.tamtam.ai/l/professional-services-firms-helsinki) (47)
- [Critical infrastructure operators in Helsinki](https://www.tamtam.ai/l/critical-infrastructure-operators-helsinki) (46)
- [Publicly traded companies in Helsinki](https://www.tamtam.ai/l/publicly-traded-companies-helsinki) (45)
- [IT Services and IT Consulting companies in Helsinki](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-helsinki) (44)
- [Financial Services companies in Helsinki](https://www.tamtam.ai/l/financial-services-companies-helsinki) (42)
- [Manufacturers in Helsinki](https://www.tamtam.ai/l/manufacturers-helsinki) (42)
- [AI companies in Helsinki](https://www.tamtam.ai/l/ai-companies-helsinki) (36)
- [Subscription businesses in Helsinki](https://www.tamtam.ai/l/subscription-businesses-helsinki) (34)
- [IT services companies in Helsinki](https://www.tamtam.ai/l/it-services-companies-helsinki) (32)
- [Hotel and hospitality groups in Helsinki](https://www.tamtam.ai/l/hospitality-groups-helsinki) (31)
- [Consulting firms in Helsinki](https://www.tamtam.ai/l/consulting-firms-helsinki) (28)
- [Government Administration companies in Helsinki](https://www.tamtam.ai/l/government-administration-companies-helsinki) (28)

## The same list elsewhere in Finland

- [Corporate groups and holding companies in Finland](https://www.tamtam.ai/l/holding-companies-finland) (84)

---

Source: https://www.tamtam.ai/l/holding-companies-helsinki