A
- 
                    Access NI 
- 
                    Achilles Link-Up 
B
- 
                    BICSc-Corporate-Membership 
- 
                    British Standards Institute (BSI) Kitemark™ certification – BIM Design and Construction (PAS 1192-2) 
- 
                    British Standards Institute (BSI) Kitemark™ certification – Asset Management (PAS 1192-3) 
C
- 
                    CCS (Considerate Constructors Scheme) 
- 
                    Constructionline 
- 
                    CEF (Construction Employers Federation) 
- 
                    CIF (Construction Industry Federation) 
- 
                    CECA (Civil Engineering Contractors Association) – Scotland 
- 
                    CECA (Civil Engineering Contractors Association) – NE England 
- 
                    CECA (Civil Engineering Contractors Association) – Yorkshire & Humber 
I
- 
                    Investors in People (IIP) Platinum 
- 
                    Investors in People (IIP) Wellbeing 
- 
                    ISO 9001:2015 – Quality Management System 
- 
                    ISO 14001 – Environmental Management 
- 
                    ISO 19650 – Building Information Modelling 
- 
                    ISO 27001 – Information Security Management Systems 
- 
                    ISO 45001 – Health & Safety Management System 
- 
                    ISO 55001 – Asset Management System 
- 
                    ISO 44001 – Collaborative Business Relationship 
L
- 
                    Legionella Control Association – Code of Conduct for LCA Members 
N
- 
                    NHBC – National House Building Council 
- 
                    Network Rail Principal Contractor Licence 
- 
                    Nuclear Institute 
- 
                    Nuclear Industry Association 
P
- 
                    PAS 2080 Carbon Management in Infrastructure 
- 
                    Premier Guarantee as a Builder 
R
- 
                    ROSPA (Royal Society for the Prevention of Accidents) 
S
- 
                    Scottish Building Federation 
- 
                    Science Based Targets initiative (SBTi) 
U
- 
                    UKAS Schedule of Accreditation – Surveying of Asbestos in Premises 
W
- 
                    Waste Regulations/Carriers Certificate/Licence 
- 
                    WISE Membership