Tieto headquarters details
Location map
Open in Google MapsAll Tieto office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Helsinki HQ | Uusimaa | Finland | Headquarters |
About Tieto
Tieto (OTC Markets Group: TCYBY) is headquartered in Helsinki, Uusimaa, Finland. Founded in 1968, the company operates across 16 countries with approximately 15,000 employees worldwide.
Where is Tieto's main office?
Tieto's main headquarters office is located at Helsinki, Finland, Helsinki, Uusimaa . This serves as the company's primary corporate address and is home to its executive leadership team.
Tieto regional offices
Beyond its headquarters in Helsinki, Tieto maintains 57 offices across 16 countries. Regional offices span 16 countries.
Tieto contact information
The main switchboard for Tieto headquarters can be reached at 35892072010. For investor relations, visit tietoevry.com/investor-relations.
What does Tieto do?
Tieto Corporation (natively Tietoevry Oyj, Tietoevry June 2019 to June November 2025) is a Finnish IT software and service company providing IT and product engineering services. Tietoevry is domiciled in Espoo, Finland, and the company's shares are listed on the NASDAQ OMX Helsinki, NASDAQ OMX Stockholm and Oslo Stock Exchange. Tietoevry has approximately 15,000 employees across 20 countries, and has customers in the energy, forestry, banking, healthcare and public sectors.
Frequently asked questions
Where is Tieto headquarters?
Tieto's headquarters is located at Helsinki, Finland, Helsinki, Uusimaa , Finland.
How many offices does Tieto have?
Tieto operates 57 offices across 16 countries as of 2026.
What is Tieto's corporate address?
The official corporate address is Helsinki, Finland, Helsinki, Uusimaa .
When was Tieto founded?
Tieto was founded in 1968 and has grown to employ approximately 15,000 people worldwide.
What is Tieto's phone number?
The main phone number for Tieto headquarters is 35892072010.