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Membership of the CCLG

The CCLG is the only truly independent client group for private, public, and regulated clients - the recognised home for leading clients, offering the best value and lowest cost membership, open to organisations of all sizes with attractive fees.

The CCLG welcomes new members and to make a membership enquiry contact Gary O'Brien by email or by using the CONTACT FORM.

The CCLG is a not-for-profit organisation comprised of leading clients. The CCLG also encourages other industry bodies and service providers to join to assist in our outreach to clients and the suppliers they engage, building an informed network willing to share and learn from each other

Our Members

  • DBT

  • British Land

  • BT



  • CIOB

  • Department of Health & Social Care

  • Derwent London

  • British Property Federation 

  • Environment Agency

  • English Heritage 

  • G15

  • Related Argent

  • AstraZeneca 

  • GlaxoSmithKline 

  • Great Portland Estates

  • Duchy of Lancaster

  • MACE Group

  • Grosvenor

  • Heathrow Airport

  • HSE

  • Imperial College London

  • Landsec

  • Leeds University

  • Legal & General Capital Developments

  • LG National Association of Construction Frameworks

  • Liverpool University

  • National Highways

  • Quintain

  • Royal Mail

  • The Crown Estate

  • Tideway

  • UPP

  • Greystar Estate

  • Liverpool NHS Trust

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Collaborative Client Forum

The CCLG works in partnership with the British Property Federation and together, through this alliance, we have formed the Collaborative Client Forum (CCF) bringing together public and private, property and infrastructure providers. The CCF is a combination of established client groups and exemplar clients all working together to improve value and certainty of outcome when investing in the built environment. CCF is part of the CCLG.

Our Network

The CCLG operates three regular forums which are open to any client wishing to share best practice and benchmark performance in areas where we can establish common data sets:


  • CCLG quarterly meetings to engage with peer clients on improving productivity, climate resilience, net zero carbon, modern methods of construction, diversity, and the skills policies to build and maintain trust throughout the supply-chain. The CCF is part of this group 

  • CCLG quarterly HS&W as above, focusing on all aspects of health, safety and wellbeing, including the assurance dimension of the Building Safety Act

  • Share and Learn seminars on specific topics throughout the year


With us you can network with leading clients to share, learn, and influence on the pressing issues facing clients and the industry at large. We also have many informal settings where members can test their ideas and have conversations to establish what works, building from simple ideas into working solutions in a safe and secure environment free from vested interests.


Members are encouraged to nominate colleagues to participate in the many working groups established to capture best practice, enabling all to adopt or adapt best practice to meet their business’ needs.


Our working groups and seminars are held virtually via Teams. All meetings are targeted to last no longer than 60 minutes and are structured to assist members in the following key areas:


  • Building Safety Act - understanding client duties and actions required

  • Next Generation Delivery – from procurement through to monitoring buildings in use, including the growing use of Digital Twins to obtain the best possible value

  • Zero Carbon, Biodiversity and Climate Resilience - sharing and learning how best to meet business needs

  • Health Safety and Wellbeing - improving outcomes for all

  • People, Skills, diversity and inclusion - client leadership by example

To make a membership enquiry contact Gary O'Brien by email

or by using the CONTACT FORM.

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