The first Swiss branch was established in 1986; at the same time, the consulting portfolio was expanded by the addition of business strategies and process re-engineering.

In view of the growing importance of IT and TC technologies in areas far beyond the narrow confines of actual telecommunications, Detecon has taken this expertise as its starting point to offer consulting services to clients from virtually all industries.

Nevertheless, the focus of the company's services remains on consulting and implementation solutions[buzzword] based on the use of information and communications technologies.

In Germany, according to the 2023 Lünendonk list, Detecon is ranked 7th among the leading German management consulting firms.

Furthermore, the company operates international branches in Abu Dhabi (UAE) and Johannesburg (South Africa), as well as subsidiaries in China, Dubai, Austria, Hungary, Sweden, Thailand, the USA, and Switzerland.