The Largest IT Services Companies in Thurgau
Market overview · updated October 2026
747 it services companies are registered as active in Thurgau. The market is highly fragmented: 84% of firms employ fewer than ten people, while only 1% have 50 or more. 175 firms (23%) were founded in the last five years. Most firms are based in Frauenfeld, Kreuzlingen, Tägerwilen.
The largest it services companies in Thurgau
Ordered by estimated headcount (Alpintel analysis). Detailed figures on each company profile.
- 1T-Systems Schweiz AG · Kreuzlingen
T-Systems Schweiz AG provides a range of IT services including cloud consulting, transformation services, and application services. Their offerings in…
- 2Itesys AG · Frauenfeld
Itesys AG provides a range of SAP services including SAP Outsourcing, SAP Technology Consulting, and SAP Security solutions. Their offerings encompass…
- 3Benda Grill Leicht und Wach GmbH · Tägerwilen
Benda Grill Leicht und Wach GmbH provides project management services, including project outsourcing and consulting. They offer IT Security Awareness …
- 4Mara Solutions GmbH · Frauenfeld
Mara Solutions GmbH provides consulting services focused on digital transformation and customer experience. They offer a proprietary cloud solution na…
Search all 747 it services companies — with size, revenue and ownership
Search now →Frequently asked questions
- How many it services companies are there in Thurgau?
- There are currently 747 active it services companies registered in Thurgau (source: Alpintel registry analysis).
- Which are the largest it services companies in Thurgau?
- By estimated headcount, T-Systems Schweiz AG, Itesys AG, Benda Grill Leicht und Wach GmbH are among the largest providers. The ordering is based on estimate bands, not exact figures.
- How can I filter all it services companies by size and region?
- Alpintel search covers all 710,000 Swiss companies with filters for industry, headcount, revenue, region and ownership.