We are thrilled to announce that we have won CIBSE’s ‘Building Performance Consultancy of the Year (up to 50 employees)’ Award!

This Award recognises the consultancy that has demonstrated an outstanding contribution to delivering buildings that have high levels of measured building performance and user satisfaction throughout their operating life. The competition was open to all UK based and international consultancies.


Some interesting facts about XCO2

  • We delivered 628 scopes across 313 projects between the competition application period- 1 September 2019 to 31 August 2021.
  • 44% of our team are female, compared to the industry average of 14.5% (CIBSE, 2021).
  • We champion diversity and inclusion; over 50% of our team come from ethnically diverse backgrounds.
  • Over 15% of the team gained professional membership within the application period.


Thank you to CIBSE for recognising and celebrating XCO2. Working together and building relationships are two of our four cultural values and demonstrate the importance of collaboration at XCO2. To all our clients, collaborators and friends, thank you for supporting us since the inception of the company 14 years ago, and a big thank you to our team, past and present, that make XCO2 what it is.