Decision Analysis Services Ltd (DAS)

Established in 2007 DAS are an independent engineering and management consultancy operating in the Energy, Government and Defence sectors in the UK, North America, Europe, Japan, South Africa and Australasia.


Valuing long-term relationships based on the quality of our work we take the time to deeply understand the holistic operating context from your perspective and that of your regulators and stakeholders. Independent of third parties our analysis is not influenced by outside interests and puts your needs first.


Did you know:

  • UK based firm with offices in Bristol, Basingstoke, Cumbria and Warrington
  • We are wholly independent of third parties
  • All our staff are security cleared
  • Building on our success across the three practice areas we continue to enjoy strong resource growth
  • Over 90% of our clients have re-engaged with us on new projects


Our Values


Our values underpin everything we do, from selecting the right people to the culture our clients experience:

  • Safety is our most important priority
  • Not afraid to be a critical friend; challenging in an open positive task focused manner
  • Value long-term relationships based on the quality of our work and the way our people take responsibility for their actions
  • Leave our ego at the door; we are here to understand your challenges and achieve your objectives 
  • Hard working with a fun “can do” attitude
  • Proven ability to work with highly sensitive client information; key to everything we do