OMNITÉCNICA S.A is a Portuguese company founded in 1969, whose main activity is the supply of products and the integration of solutions in the areas of Telecommunications and Electronics.
It offers a set of services and products of high diversity, covering voice, data and image solutions in the areas of transmission and access via coaxial cable, optical fiber, radio, optical systems, OTN / DWDM / SDH / PDH and Satellite.

OMNIPROJECTOS S.A was established in 2002 as a result of the separation of the Technical Services from Omnitécnica and is a Seromni Group company that develops its activity in the implementation of projects and provision of telecommunications services.

OMNILINK, headquartered at Estrada de Alfragide in Amadora and started its activity in April 2007. It is a company specialized in accounting, human resources management and tax consultancy, aimed at SMEs, Microenterprises, individual entrepreneurs and Professionals Liberals.

OMNIFIN started its activity in April 2007 and is headquartered on the Alfragide Road in Amadora, at the Seromni Group facilities. Considering the vast experience gained in the Financial and Administrative Services provided to Seromni Group companies, this company is currently able to share these same services with other companies that need them.

Betting on its internationalization strategy, the Seromni Group has expanded into yet another market, this time with the creation of Seromni Angola based in Luanda in a logic of proximity and local growth strategy. Seromni Angola is positioned in the market as a provider of telecommunication / electronics products and services with a strong training and training component, combining competence, dynamism and excellence with the technical knowledge of its staff.