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Amadys lays foundation for growth in Germany with acquisition of tso GmbH

24 February 2021

Amadys, supplier of components for utility networks (including water, gas, electricity and telecommunications networks) has acquired tso GmbH, distributor of splicing and measurement equipment for fibre optic networks. This acquisition represents an important milestone in Amadys’ growth strategy and is a logical next step in the buy-and-build success story of Amadys and the expansion of its growth platform in all utility sectors and industries in the Benelux and beyond, with a strong focus on the massive growing Fiber to the Home (FTTH) market. tso’s founder, Arthur Graevendiek, will re-invest in the Amadys Group and remain as CEO to support the expansion drive on the German market.

Amadys N.V. is the Benelux market leader in the distribution of passive equipment for telecom, water, gas and electricity. Clients of Amadys include network operators, distribution companies, water companies, gas and electricity companies, installation businesses, cities and municipalities.

tso GmbH distributes splicing and measurement equipment for fibre optic networks. Its portfolio also includes accessories, tools and training courses in its own academy. They have a clear focus on the relevant demands in the Fiber to the Home (FTTH) deployment. tso GmbH is also an authorised service partner for leading manufacturers like Sumitomo and VIAVI in Germany. The company is centrally located in Halver, on the edge of the Ruhr area and an anker point for their nationwide coverage.

The Amadys Group has branches in Belgium, the Netherlands and Denmark. The Group has a turnover of 180 million euros and employs 140 people.

Equistone Partners Europe has been a shareholder in Amadys since 2019. Equistone is one of the largest European players in terms of investments in medium-sized companies. It has a consistent track record going back over 40 years, with more than 400 completed transactions. The organisation invests as a strategic partner alongside the management team.

Amadys NV
Hein Wilderjans
Chief Executive Officer

tso GmbH
Arthur Graevendiek
General Manager


  • Logo Amadys
  • Logo tso GmhH
  • Visual tso GmbH
  • Press release (English version)
  • Press release (Dutch version)