| 77 Build Limited | Chichester | 2013 |
| 77 Construction UK Ltd | London | 2025 |
| 77 Holdings Limited | York | 2022 |
| 77 Legacy Limited | London | 2022 |
| 77 Ltd | Grays | 2014 |
| 77 Portobello Road Limited | London | 2019 |
| 77 Property 2 Limited | Chichester | 2014 |
| 77 Property 3 Limited | Chichester | 2016 |
| 77 Property 4 Limited | Chichester | 2016 |
| 77 Property 5 Limited | Chichester | 2017 |
| 77 Property 6 Limited | Chichester | 2017 |
| 77 Property 7 Limited | Sheffield | 2018 |
| 77 Property Limited | Sheffield | 2013 |
| 77 Ryland Road Management Company Limited | Gainsborough | 2026 |
| 77 UK Developments Limited | Huddersfield | 2022 |
| 7711 Groundworks Ltd | Ipswich | 2024 |
| 777 Construction & Project Management Services Ltd | Manchester | 2016 |
| 777 Demolition & Haulage Co. Limited | Croydon | 1964 |
| 777 Estates Limited | Leicester | 2023 |
| 777 Home Improvements Ltd | Bristol | 2025 |
| 777 Plumbing Limited | London | 2011 |
| 777 Property Investments Limited | Ferndown | 2020 |
| 777 Recycling Centre Ltd | Tunbridge Wells | 2005 |
| 777COM Technical Solutions Ltd | Greenford | 2013 |
| 777CONSTRUCT Limited | Loughton | 2023 |
| 778 Construction Ltd | Orsett | 2019 |
| 77K Limited | London | 2014 |
| 77TH Floor Ltd | Kington | 2011 |
| 78 Cannon Street GP Limited | London | 2002 |
| 78 Sandgate High Street Limited | Folkestone | 2025 |
| 786 Builders Ltd | Mitcham | 2025 |
| 786 Capital Limited | Birmingham | 2016 |
| 786 Contracts Ltd | Glasgow | 2026 |
| 786 Developments Limited | London | 2019 |
| 786 Electricals Limited | Leicester | 2010 |
| 786 GAS Plumbers Ltd | London | 2025 |
| 786 IAC Ltd | Glasgow | 2020 |
| 786 Properties (Cardiff) Ltd | Cardiff | 2017 |
| 786 Property Services Ltd | Stoke-On-Trent | 2020 |
| 78A SW48BH Limited | Uxbridge | 2014 |
| 79 RHR Ltd | London | 2018 |
| 790 Wolseley Road Management Limited | London | 2018 |
| 797 Electrical Ltd | Sheffield | 2025 |
| 79M Group Ltd | Edgware | 2022 |
| 7@OKS Limited | Chelmsford | 2026 |
| 7ASK Limited | Sidcup | 2021 |
| 7B Developments Limited | Bexhill-On-Sea | 2023 |
| 7B Holdings Ltd | Wolverhampton | 2019 |
| 7BRACI Ltd | Sunbury-On-Thames | 2016 |
| 7BRIDGES Living Ltd | Gateshead | 2021 |
| 7C Solutions Limited | Hull | 2016 |
| 7CGELI Ltd | London | 2022 |
| 7CUBE Construction Ltd | Ipswich | 2019 |
| 7D Construction Limited | Chatham | 2019 |
| 7D Development Ltd | London | 2024 |
| 7DAY Contractors Ltd | Reading | 2020 |
| 7DAYSELECTRICAL Ltd | Swanscombe | 2014 |
| 7EN Construction Ltd | Croydon | 2020 |
| 7EVEN Construction Limited | | 2002 |
| 7EVEN Empire Ltd | Luton | 2019 |
| 7EVEN Limited | St. Albans | 2021 |
| 7F Plant Hire Ltd | Corby | 2024 |
| 7GALAXY Services Ltd | Halesowen | 2026 |
| 7IYI Professional Services Limited | London | 2014 |
| 7KW Ltd | Liverpool | 2023 |
| 7LMNTS Ltd | Ulverston | 2024 |
| 7LR Limited | London | 2022 |
| 7M Capital Ltd | Bristol | 2020 |
| 7OAKS Aggregates and Haulage Ltd | Maidstone | 2026 |
| 7OAKS Contracts Limited | Orpington | 2010 |
| 7OAKS Electrical Ltd | Sevenoaks | 2011 |
| 7OAKS Surfacing Limited | Rochester | 2017 |
| 7OCEANSPVT Ltd | Watford | 2020 |
| 7ONE7 Engineering Ltd | Leominster | 2019 |
| 7PLUS7 Developments Ltd | Musselburgh | 2016 |
| 7PLUS7 Maintenance Ltd | East Lothian | 2016 |
| 7POINTS Construction Management Services Ltd | London | 2019 |
| 7S Construction (York) Ltd | York | 2013 |
| 7SB Builders & Roofers Ltd | Waterlooville | 2025 |
| 7SEAS Builders Limited | Woking | 2019 |
| 7SEAS Pro Ltd | London | 2025 |
| 7SKILLS Ltd | London | 2019 |
| 7STAR DIY Services Ltd | Manchester | 2024 |
| 7SU Ltd | Wellingborough | 2026 |
| 7T7 Building Limited | Marlborough | 2017 |
| 7TEEN BD Ltd | Manchester | 2025 |
| 7TH Avenue Commercial Interiors Ltd | High Wycombe | 2024 |
| 7TH Stage Ltd | London | 2021 |
| 7VEER Contractors Ltd | Dagenham | 2023 |
| 7X'N Ltd | London | 2023 |
| 8 BA International Ltd | Kingston Upon Thames | 2020 |
| 8 Ball Property Services Ltd | Loughton | 2021 |
| 8 Brothers Design and Building Limited | London | 2022 |
| 8 Camden Road Limited | London | 2016 |
| 8 Castleblayney Road Ltd | Armagh | 2024 |
| 8 Construction Management Ltd | Gloucester | 2014 |
| 8 D Concepts Ltd | Birmingham | 2024 |
| 8 Duct Ltd | Essex | 2016 |
| 8 Eaton Place Development Management 1 Limited | London | 2015 |
| 8 Electrical Ltd | Liverpool | 2016 |