| AGC Donabate Holdings Limited | London | 2022 |
| AGC Dublin Holdings Limited | London | 2022 |
| AGC Living Ltd | Chelmsford | 2024 |
| AGC Manchester Limited | Rochdale | 2025 |
| AGC Properties Limited | Darwen | 2019 |
| AGC Property Development Limited | Stoke On Trent | 2017 |
| AGC Property Holdings Ltd | Burnley | 2026 |
| AGC Rentals Limited | Hemel Hempstead | 2020 |
| AGC Residential Limited | Whitley Bay | 2023 |
| Agca Property Investments Ltd | London | 2026 |
| Agcasar Ltd | Aberdeen | 2026 |
| Agccproperty Ltd | Glasgow | 2024 |
| Agcf Properties Ltd | Jarrow | 2024 |
| AGD Capital Solutions Limited | St Albans | 2023 |
| AGD Contractors Ltd | Southampton | 2024 |
| AGD Property Consultancy Limited | Prescot | 2020 |
| AGD Property Developments Ltd | London | 2021 |
| AGD Property Holdings Ltd | London | 2018 |
| AGD Property Ltd | Potters Bar | 2024 |
| Agdh Property Group Ltd | Sunderland | 2025 |
| Agdp Ltd | Acton | 2024 |
| Agdr Property Limited | Newark | 2025 |
| AGE Investments Ltd | Nuneaton | 2020 |
| AGE of Love Property Ltd | Carterton | 2025 |
| AGE Properties Limited | Stanford-Le-Hope | 2022 |
| AGE Property and Management Services Limited | Leigh-On-Sea | 2022 |
| AGE Property Group Ltd | Milton Keynes | 2025 |
| AGE Property Holdings Ltd | Leigh-On-Sea | 2026 |
| Agea Properties Limited | Great Yarmouth | 2026 |
| Agea Property Ltd | Wolverhampton | 2025 |
| Agecroft Estates Limited | London | 1948 |
| Agecroft Investments Ltd | Manchester | 2025 |
| Agecroft Limited | London | 1986 |
| Agecroft Management Ltd | London | 2002 |
| Agedhaven Property Company Ltd | London | 2007 |
| Agee Group Ltd | London | 2020 |
| Agegrey Properties Limited | Little Eaton | 1982 |
| Ageka Limited | Caterham | 1992 |
| Agelef Shipping Co.(London)Limited | London | 1968 |
| Agelis Peltier Properties Ltd | St. Albans | 2023 |
| Agem Properties Ltd | Peterborough | 2019 |
| Agemer Property Management and Investment Limited | East Molesey | 2019 |
| Agencee Group Limited | Welford | 2019 |
| Agency 21 International Limited | London | 2019 |
| Agency 21 London Ltd | London | 2017 |
| Agency Associates Ltd | Cheltenham | 2020 |
| Agency Buying Consortia Limited | Shipston-On-Stour | 2003 |
| Agency Options Ltd | Crawley | 2017 |
| Agency PB Limited | Leeds | 1998 |
| Agency Properties Limited | Bromsgrove | 1999 |
| Agency Systems Limited | Darlington | 2003 |
| Agency Therapy Ltd | London | 2025 |
| Agency Ventures Ltd | Ipswich | 2024 |
| AGENCY55 Limited | Teddington | 2025 |
| AGENCY72 Limited | Ipswich | 2018 |
| Agenda Capital Partners 2 Limited | Richmond | 2012 |
| Agenda E2 Limited | Richmond | 2013 |
| Agenda Home Action Limited | Liverpool | 2025 |
| Agenda Property Limited | London | 2024 |
| Agenda Property Services Limited | Leeds | 2017 |
| Agenda S1 Ltd | Hove | 2013 |
| AGENDA21 Limited | Leeds | 2017 |
| Agenor Management Services Limited | Wilmslow | 2013 |
| Agent and Homes Limited | Northampton | 2018 |
| Agent Hitchin Limited | Hitchin | 2008 |
| Agent Hub UK Limited | London | 2016 |
| Agent Hybrid Limited | Stevenage | 2016 |
| Agent Liberty Ltd | London | 2009 |
| Agent One Leicester Ltd | Leicester | 2025 |
| Agent One Ltd | Leicester | 2023 |
| Agent ONE51 Limited | Beckenham | 2014 |
| Agent Property Finder Limited | London | 2019 |
| Agent Summary Limited | Ross-On-Wye | 2021 |
| Agent Woburn Limited | Bedford | 2010 |
| Agent X Limited | Potters Bar | 2002 |
| AGENT360 Ltd | Nottingham | 2023 |
| Agentcraft Limited | London | 1998 |
| Agentdouble Limited | Romsey | 1991 |
| Agenteur Ltd | London | 2016 |
| Agentmxm Limited | Cheadle | 2023 |
| Agents and Properties (Taunton) Limited | Taunton | 1997 |
| Agents of Distinction Ltd | Manchester | 2023 |
| Agents Property Solution Limited | Brighton | 2014 |
| Agents R US Ltd | London | 2013 |
| Agents Support Ltd | Leicester | 2025 |
| Agentsupply Limited | Rochdale | 1994 |
| Agentten Ltd | Mitcham | 2025 |
| Agenttlondon Ltd | London | 2025 |
| Agenttoolkit Ltd | Winchester | 2025 |
| Agentvalid Limited | Crediton | 1996 |
| Ageo Property Limited | Dundee | 2022 |
| Ager Estates Limited | Gateshead | 2024 |
| Ager Group Ltd | Lincoln | 2021 |
| AGER2 Property Limited | Croydon | 2023 |
| Agercon Holdings Limited | Hull | 2013 |
| Agercon Limited | Beverley | 1972 |
| Agerium Ltd | Edgware | 2023 |
| Agerra Investments Ltd | London | 2025 |
| AGF (Cambs) Ltd | Wisbech | 2021 |
| AGF Global Consultants Ltd | Northwood Hills | 2018 |