This list contains IT services companies in Helsinki. These companies specialize in various aspects of technology, including software development, cloud solutions, and cybersecurity. Many of them focus on leveraging data and technology to create value for businesses and society, with a strong emphasis on sustainability and digital transformation.
Key companies include Tietoevry, which creates purposeful technology, and Digia Plc, a software and service company driving intelligent business. Nordcloud, an IBM Company, is a European leader in cloud implementation, while Reaktor is a global technology consultancy building digital products. Eficode specializes in DevOps, and 3stepIT focuses on sustainable technology lifecycle management.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 9,343 | ||||
| 2 |
Tietotietoevry.com
The company focuses on leveraging data-driven opportunities to create value for individuals, businesses, and society through software, services, and co-innovation |
6,730 | |||
| 3 | 1,392 | ||||
| 4 |
Nordcloud, an IBM Companynordcloud.com
European leader in cloud implementation, application development, managed services, and training, delivering multi-cloud solutions for sustainable business value. |
965 | |||
| 5 |
Reaktorreaktor.com
A global technology consultancy specializing in designing and building digital products for industry leaders, fostering a high-performing software development culture |
761 | |||
| 6 |
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 | |||
| 7 |
3stepIT3stepit.com
A Technology Lifecycle Management provider reducing e-waste and global emissions by helping businesses consume technology sustainably, with refurbishing centers and asset management platform |
452 | |||
| 8 |
Siili Solutionssiili.com
Full-spectrum digital development partner specializing in AI-driven software solutions, combining development skills and industry knowledge to enhance competitiveness. |
398 | |||
| 9 |
Telia Cygate Oytelia.fi
Provides secure ICT solutions and services to customers, leveraging expertise in cybersecurity, data networks, data centers, and cloud technologies. |
393 | |||
| 10 |
Oy Apotti Abapotti.fi
This company created the world's first joint information and management system for social and healthcare, in collaboration with Uusimaa municipalities and HUS |
391 | |||
| 11 | 381 | ||||
| 12 | 339 | ||||
| 13 |
Tietokeskustietokeskus.fi
Finnish ICT company specializing in IT services, equipment, consulting, cloud, data center, and network solutions for businesses and public sector |
289 | |||
| 14 |
Loihde Trustloihdetrust.com
The company provides comprehensive business security solutions, from physical to cyber security, secure networks, and identity and access management services, enhancing competitiveness |
282 | |||
| 15 |
Sarastia Oysarastia.fi
A service center collectively owned by municipalities, municipal companies, and well-being regions, serving various clients across Finland with payroll, invoicing, and administrative services |
253 | |||
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. | |||||
| 16 |
Digital Workforce Services Plcdigitalworkforce.com
provides automation technology solutions and AI-driven platforms to improve healthcare workflows, reduce costs, and enhance customer experiences |
213 | |||
| 17 |
NetPress GmbHavidlyagency.com
Leading European marketing technology services provider, dedicated to creativity, sales, and technology, using customer experience as a strategic tool for business growth. |
96 | |||
| 18 | 81 | ||||
| 19 |
Wunderdogwunderdog.io
A consulting agency founded in 2014, focused on building scalable digital businesses through high-quality code, design, and sustainable practices |
60 | |||
| 20 |
Movialmovial.com
Global software engineering and design services specializing in mobile and embedded devices, multimedia, communications systems, business critical applications, and trusted mobile development |
55 | |||
| 21 |
SprintITsprintit.fi
A company revolutionizing the software market by offering top open source applications to enhance businesses, with a focus on ERP solutions |
50 | |||
| 22 |
ONEiOoneio.cloud
An AI-powered iPaaS solution automating integration processes for organizations seeking seamless collaboration and data exchange across their IT ecosystem |
47 | |||
| 23 |
s4accesss4access.com
Innovative SAP access security solutions provider, with over 20 years of experience and a focus on adopting cutting-edge technology to simplify access management challenges |
36 | |||
| 24 | 25 | ||||
| 25 | 17 | ||||
| 26 |
Emblicaemblica.com
Innovative data science team specializing in custom AI & ML solutions for R&D, delivering production grade systems and strategic partnerships for organizations |
13 | |||
| 27 |
QAutomate Oyqautomate.fi
QAutomate offers cost-efficient and innovative RPA solutions, transferring manual tasks to robots to save time and money for businesses |
11 | |||
| 28 |
Circles Consultingcircles.fi
The company offers digital co-creation services including leadership, service and user experience design, software development, mobile development, and cloud expertise with DevOps |
11 | |||
| 29 |
Nomovok Ltd.xoilactv3.club
This company specializes in Open Source software technologies, focusing on embedded Linux for mobile, tablet, automotive infotainment, and also provides cloud services |
11 | |||
| 30 |
Riimu Solutionsriimusolutions.com
A software services company specializing in developing business web applications and mobile solutions with experienced full-stack developers delivering reliable solutions to clients |
5 | |||
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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 11, 2026.
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