Many years of experience and continually increased knowledge and skills of our employees contribute to the development of a growing number of satisfied Customers. The main evidence for the high quality of our services are not only received references, but first of all the continued cooperation with most of our Clients, who many times have reaffirmed the confidence in ENERGO-TEL by another, commissioned work.

We were pleased to provide the services for Clients such as:

  • PGE Dystrybucja S.A.
  • PGE Energia Odnawialna S.A.
  • PGE Obrót S.A.
  • POLKOMTEL Sp. z o.o.
  • EmiTel Sp. z o.o.
  • PGE Systemy S.A.
  • RWE Polska S.A.
  • Warszawski Uniwersytet Medyczny
  • PGNiG Termika S.A.
  • Agros Nova Sp. z o.o.

and many others.

Please find below our reference letters.


PGE Energia Odnawialna S.A.


PGE Systems S.A.

Warsaw Medical University

City Hall of Szydłowiec

NextiraOne Poland Sp. z o.o.

RWE Poland S.A.

Mercury Engineering Poland

Provincial Office of Mazowieckie District

AGROS NOVA Sp. z o.o.












fibre network build, server rooms, telecommunication devices