stars 1 stars 2 stars 3

Leissner, established in 1969, is a renowned IT development company in Sweden. We are developing communication solutions for telecom operators and have contributed to standards and innovations in telecommunications. Our vision is to contribute in breaking up the dominance of large telecom operators by delivering cost-efficient software and establish interoperability for new, fast growing independent operators. Leissner’s strength is the flexible and customer oriented development of new and existing functionality for operators in the telecommunications industry. Leissner has over the years maintained a good track record of delivering stable and secure software for telecom operators. The Leissner product family includes traditional telecom systems and a MVNE/MVNO core platform. All systems are developed by Leissner employees in Sweden. Leissner Group has offices in Trollhättan and Gothenburg, Sweden.

Leissner Data Questions

The Leissner Data annual revenue was $6 million in 2026.

Fredrik Salén is the CTO of Leissner Data.

15 people are employed at Leissner Data.

Leissner Data is based in Trollhättan, Götaland County.

The NAICS codes for Leissner Data are [334, 33].

The SIC codes for Leissner Data are [366, 36].

Top Leissner Data Employees

View Similar People
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
g2crowd
G2Crowd Trusted
chromestore
300K+ Plugin Users