- Altair Services
- Amon
- Arbora Homes
- Ashford Borough Council
- Avamore Capital Ltd
- B3 Living
- Barley Homes
- Barnett Homes
- Barratt London
- BEAM Berkeley Estate Asset Managament
- Beck River Park Management Co
- Bennett Construction
- Berkeley Homes
- Braintree District Council
- Breckland Bridge Limited
- Brighton & Hove City Council
- Brighton Youth Centre
- Brunell University of London
- Burrells Resident Association
- Cambridge City Council
- Cambridge Investment Partnership
- Cambridge University
- Canterbury City Council
- Catalyst
- Chelmer Housing Partnership
- City of London
- Clarion Housing Group
- Close Brothers Property Finance Ltd
- Commercial Acceptances
- Consulco
- Cranborne Chase Asset Finance
- Crawley Borough Council
- Croydon Churches Housing Association
- Dukelease Properties Ltd
- Duoview Properties Ltd
- East Sussex County Council
- Eastlight Community Homes (Colne and Braintree-based Greenfields Community Housing merged)
- English Rural
- Essex County Council
- Essex County Fire and Rescue
- European Space Agency
- Exterior Archirecture
- Folgate Estates
- Frimley Health NHS Foundation
- Gateway Housing Association
- GDST
- Gisborne Investment Group
- Global Bridging
- Gravesham Borough Council
- Harrow Estates
- Harvest Land Management Group
- Hastoe Housing Association
- HAT Architects
- Havebury Housing Partnership
- Henley Halebrown Rorrison Arc
- Hexagon Housing Association
- Home Group
- Hyde
- Imperial College London
- IQ Student Accommodation
- ITC Properties
- Johnson Controls
- Kingly Partners
- L&Q
- Lakeside TRA
- Latimer Homes
- Leaf Living
- Legal & General
- Legal & General Affordable Homes
- Lewes District Council
- Lipton Plant Architects
- LOM Architecture and Design
- London Borough of Barnet
- London Borough of Kingston upon Thames
- London Borough of Barking & Dagenham
- London Borough of Ealing
- London Borough of Greenwich
- London Borough of Hackney
- London Borough of Haringey
- London Borough of Harrow
- London Borough of Islington
- London Borough of Newham
- London Borough of Southwark
- London Borough of Tower Hamlets
- London Borough of Waltham Forest
- London Borough of Wandsworth
- London Borough of Westminster
- London Metropolitan University
- Longley Group
- M&G Real Estate
- Mayfair Capital
- Mid Sussex District Council
- Midgard
- Milsoms
- MTVH
- Mulalley and Company
- Naked House
- New Vista Homes
- Notting Hill Genesis
- Novo Facades
- Octavia
- One Housing
- Origin Housing
- Orwell Housing
- Oxford University Developments
- PA Housing
- Peabody Housing Association
- Penoyre and Pasad
- Peregrine Bryant
- Phoenix
- PIC
- Portman Estate
- Precision Facades Ltd
- Push Energy
- Queen Mary University of London
- R H Partnership Architects
- Randall Watts Construction ltd
- Redloft
- Reigate & Banstead Borough Council
- Rentplus
- Riverside Group
- RMPA Services
- Rother District Council
- Royal College of General Pract
- Royal Hospital Chelsea
- Rutland Woking Ltd
- Rydon
- Sage
- Sapphire Independent Housing
- Secure Trust Bank
- Sempra Homes
- Settle Group
- Signature Private Finance Ltd
- Soho Housing Association
- Southern Housing (merged with Optivo)
- Stanley Bragg Architects Ltd
- State Street
- Steve Jackson Design
- Tesco
- Thanet District Council
- The Bridge
- The Land Group (Suffolk) Limit
- Thurrock Council
- Town & Country Housing Group
- Tudor Road RTM Company Ltd
- UCLH
- Unibail-Rodamco-Westfield
- United House Limited
- United Trust Bank
- University College London
- University of Essex
- University of London
- Vistry
- Wandle Housing Association
- Watermans
- Wates
- Watford Community Housing Trust
- WBC
- Welwyn Hatfield Council
- Westrock
- Wilson Mason and Partners
- YMCA