| 360 Wind Ltd | St. Asaph | 2019 |
| 360 Wind Services Ltd | St. Asaph | 2025 |
| 360 Wind Solutions Ltd | St. Asaph | 2024 |
| 360 Workplace Limited | Windsor | 2006 |
| 360 Workspace Ltd | London | 2024 |
| 360AIR Limited | Oswestry | 2025 |
| 360BUILD Solutions Ltd | Harrow | 2019 |
| 360COMS Billing Ltd | St Ives | 2025 |
| 360DRILLING Ltd | Cinderford | 2017 |
| 360ECO (LED & EVC) Ltd | St Ives | 2025 |
| 360OPP Peter Ltd | Nuneaton | 2021 |
| 360PRO - Decorating Services Ltd | Swindon | 2022 |
| 360PROPERTY Developments South Ltd | Worthing | 2019 |
| 360UK Limited | Manchester | 2025 |
| 360UNIQUE Designs and Construction Limited | Sheffield | 2025 |
| 361 Hammersmith (Commercial) Limited | London | 2024 |
| 361 Hammersmith (Residential) Limited | London | 2024 |
| 361 Hammersmith Ltd | London | 2023 |
| 363 Electrical Ltd | Tadley | 2025 |
| 364 Contractors Ltd | Chatham | 2019 |
| 364 Electrical Solutions Limited | Wigan | 2024 |
| 365 24/7 Group Ltd | Romford | 2025 |
| 365 Brickwork Ltd | Chatham | 2015 |
| 365 Build Limited | Nottingham | 2025 |
| 365 Building Services Limited | Southampton | 2018 |
| 365 Building Solutions Limited | London | 2021 |
| 365 Carpentry & Construction Ltd | Folkestone | 2025 |
| 365 Carpentry Limited | Fareham | 2021 |
| 365 Civils Limited | Kington | 2019 |
| 365 Concrete Ltd | Slough | 2012 |
| 365 Construction Limited | Manchester | 2023 |
| 365 Directional Drilling Ltd | Leicester | 2025 |
| 365 DL UK Limited | Borehamwood | 2017 |
| 365 Electrical Installations Ltd | Cardiff | 2011 |
| 365 Electrical Ltd | Workington | 2024 |
| 365 Electrical Services Limited | Upminster | 2014 |
| 365 Electrical Solutions (UK) Ltd | Rochester | 2012 |
| 365 Electricians Limited | Leicester | 2020 |
| 365 Elite GAS and Heat Limited | Kettering | 2021 |
| 365 Energy Group Limited | Cardiff | 2025 |
| 365 Engineers Ltd | London | 2020 |
| 365 Estate Maintenance Ltd | Marlow | 2026 |
| 365 Fire Security Ltd | Crumlin | 2022 |
| 365 GAS Heating Ltd | Bury | 2020 |
| 365 GAS Limited | London | 2020 |
| 365 Glass & Glazing Ltd | Bristol | 2020 |
| 365 Ground Contractors Ltd | Aylesbury | 2019 |
| 365 Ground Utilities Ltd | Cardiff | 2019 |
| 365 Groundwork Ltd | Reading | 2019 |
| 365 Happy Scaffolding Ltd | Hayes | 2023 |
| 365 Heating and Plumbing Ltd | Bournemouth | 2018 |
| 365 Heating Services Ltd | Bognor Regis | 2018 |
| 365 Home Solutions Ltd | London | 2025 |
| 365 Kitchens and Bathrooms Ltd | Bournemouth | 2021 |
| 365 Maintenance Limited | Bristol | 2010 |
| 365 Morgan Maintenance Ltd | London | 2016 |
| 365 NW Ltd | Blackpool | 2025 |
| 365 Outside Ltd | Preston | 2021 |
| 365 Pipelines Ltd | Oldham | 2025 |
| 365 Plant Hire & Demolition Limited | Solihull | 2018 |
| 365 Plumbing & Property Services Ltd | Desborough | 2011 |
| 365 Plumbing and Heating GAS Services Ltd | Loughborough | 2026 |
| 365 Plumbing and Heating Herts Ltd | Hatfield | 2019 |
| 365 Plumbing and Heating Ltd. | Mansfield | 2013 |
| 365 Plumbing Heating Drainage Limited | Waltham Cross | 2025 |
| 365 Plumbing Rugby Limited | Leamington Spa | 2025 |
| 365 Plumbing Solutions Limited | London | 2025 |
| 365 PM Limited | Skelmersdale | 2023 |
| 365 Power Ltd | Swindon | 2022 |
| 365 Property Maintenance Ltd | Romford | 2022 |
| 365 Property Management & Maintenance Services Ltd | Horsham | 2024 |
| 365 Quality Services Ltd | Cheltenham | 2015 |
| 365 Rail Limited | Bristol | 2008 |
| 365 Renovation Ltd | Broxbourne | 2023 |
| 365 Residential Development Limited | Leicester | 2024 |
| 365 Scaffolding Limited | Nottingham | 2013 |
| 365 Stays Limited | Brentford | 2019 |
| 365 Utilities Limited | Nottingham | 2017 |
| 365 VAC EX Northern Limited | Leicester | 2023 |
| 365 Vacuum Excavation Ltd | Leicester | 2021 |
| 365 Wind Ltd | St. Asaph | 2026 |
| 365SERVICESMK Ltd | Milton Keynes | 2023 |
| 365WINDOWS Ltd | Bolton | 2020 |
| 366 Electrical Concepts Ltd | Milton Keynes | 2018 |
| 368 Living Ltd | York | 2021 |
| 369 Alliance Ltd | London | 2024 |
| 369 Builders Merchants Ltd | Walsall | 2022 |
| 369 Construction Services Ltd | St. Helens | 2022 |
| 369 Electrical Limited | Oldham | 2019 |
| 369 Electrical Services Ltd | Ipswich | 2024 |
| 369 Estates Group Ltd | Hemel Hempstead | 2025 |
| 369 Plotworks Ltd | Chester Le Street | 2024 |
| 369 Power Services Ltd | London | 2025 |
| 369 Roofing Services Ltd | Liverpool | 2026 |
| 369 Trade & Services Ltd | London | 2025 |
| 37 Brunswick Square Ltd | Brighton | 2018 |
| 37 Corstorphine Road Limited | Edinburgh | 2017 |
| 37 Degree Solutions Ltd | Whitley Bay | 2020 |
| 37 Doughty Street Ltd | Bristol | 2020 |
| 37 MKM Ltd | Marlborough | 2005 |