Leading on Innovation

Communications Advisory Service Ltd is an independent IT and Telecommunications consultancy company, founded in 1980.

Independent Specialist Consultancy

CAS is an independent IT & Telecommunications consultancy company founded in 1980. Using almost 30 years experience in consultancy gained in the UK, along with the international experience of its consultants, CAS has increased its worldwide presence to include the US, covering the following market sectors. Experience in consultancy gained in the UK, along with the international experience.

Leading organisations trust CAS

  • BP
  • TSol Law at the Heart of Government
  • Buying Solutions
  • European Medicines Agency
“CAS’ innovation and solid expertise provides our clients with meaningful benefits that they value. Thanks for all the hardwork - recommend these guys to anyone.”

Magnox South

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