| ALL Round Security Consultants (Northern) Limited | Haydock | 2024 |
| ALL Round Security Consultants Limited | St. Helens | 2004 |
| ALL Round Security Facilities Limited | St. Helens | 2020 |
| ALL Round Trades Ltd | Prestatyn | 2024 |
| ALL Round Trades SW Ltd | Chard | 2025 |
| ALL Rounder Property Services Ltd | Birmingham | 2024 |
| ALL Routes Scaffolding Ltd | Chelmsford | 2019 |
| ALL Safe Plumbing Limited | Stourbridge | 2020 |
| ALL Safe Scaffolding and Safety Netting Ltd | Rotherham | 2025 |
| ALL Safe Scaffolding Limited | Oxford | 2013 |
| ALL Saints (Yorkshire) Ltd | Sutton-In-Ashfield | 1999 |
| ALL Saints Building & Refurbishment Contractors Limited | | 2007 |
| ALL Saints Church Lands Limited | Bristol | 2024 |
| ALL Saints Construction Limited | London | 2015 |
| ALL Saints Developments (Great Ellingham) Limited | Addlestone | 2018 |
| ALL Saints House Ltd | Felixstowe | 1987 |
| ALL Saints Mechanical Ltd | Northampton | 2021 |
| ALL Saints Plumbing & Heating Ltd | Weston-Super-Mare | 2025 |
| ALL Saints Property Group (SUB Holdings) Ltd | London | 2022 |
| ALL Saints Roofing and Building Solutions Ltd | Waltham Abbey | 2026 |
| ALL Sash Solutions Ltd | London | 2024 |
| ALL Scaffold Limited | Reading | 2010 |
| ALL Scaffolding Services Kent Ltd | Dartford | 2020 |
| ALL Scope Construction Limited | Portsmouth | 2025 |
| ALL Scope Renovations Ltd | Glasgow | 2026 |
| ALL Screed Southeast Ltd | London | 2024 |
| ALL Screeds Ltd | Bexley | 2020 |
| ALL Seal Roofing & Building Ltd | Dartford | 2026 |
| ALL Sealants Limited | Aberdare | 2015 |
| ALL Season Air Ltd | Cuffley | 2022 |
| ALL Season Conservatory Roofs Limited | Shrewsbury | 2022 |
| ALL Season Fencing Ltd | Wakefield | 2022 |
| ALL Season Property & Projects Ltd | London | 2026 |
| ALL Season Roofing Limited | Milton Keynes | 2025 |
| ALL Seasons & Property Maintenance (Christchurch) Limited | Verwood | 2024 |
| ALL Seasons Building and Damp Proofing Limited | London | 2016 |
| ALL Seasons Civil Engineering Limited | Bath Avenue | 1975 |
| ALL Seasons Climate Control Projects Limited | Loughton | 2006 |
| ALL Seasons Comfort Cooling Limited | Bristol | 2007 |
| ALL Seasons Construction Limited | Liverpool | 1996 |
| ALL Seasons Contracting Co. Limited | Kingswinford | 1992 |
| ALL Seasons Design & Build Limited | Liverpool | 2015 |
| ALL Seasons Driveways North West Limited | Morecambe | 2025 |
| ALL Seasons East Ltd | London | 2025 |
| ALL Seasons Felt Roofing Ltd | Chatham | 2014 |
| ALL Seasons Fencing Limited | Bury St. Edmunds | 2006 |
| ALL Seasons Garden & Designs (UK) Ltd | Liverpool | 2011 |
| ALL Seasons Gardeners Ltd | Aylesbury | 2024 |
| ALL Seasons Heating & Cooling Limited | Rickmansworth | 2024 |
| ALL Seasons Heating Ltd | Harlow | 2024 |
| ALL Seasons Home Improvements SE Ltd | Ashford | 2019 |
| ALL Seasons Homes Limited | London | 2002 |
| ALL Seasons Industrial Roofing Limited | Cheltenham | 2003 |
| ALL Seasons Interiors Limited | Sheffield | 2021 |
| ALL Seasons Landscapes & Drives Limited | Benfleet | 2021 |
| ALL Seasons Mechanical Ltd | Portsmouth | 2019 |
| ALL Seasons Mechanical Services Limited | Sidcup | 2009 |
| ALL Seasons Plumbing and Heating Limited | Croydon | 2019 |
| ALL Seasons Plumbing and Heating Services Limited | Sidcup | 2024 |
| ALL Seasons Property London Limited | London | 1993 |
| ALL Seasons Refrigeration & Air Conditioning Limited | Grimsby | 2003 |
| ALL Seasons Roof Cleaning & Guttering Ltd | Nuneaton | 2026 |
| ALL Seasons Roofing & Scaffolding Limited | Newcastle | 1997 |
| ALL Seasons Roofing and Construction Ltd | Westerham | 2025 |
| ALL Seasons Roofing and Guttering Ltd | Castleford | 2025 |
| ALL Seasons Roofing and Landscaping Limited | Market Drayton | 2023 |
| ALL Seasons Roofing Contractors Limited | Deeside | 2016 |
| ALL Seasons Roofing Group Ltd | Slough | 2014 |
| ALL Seasons Roofing Ltd | Doncaster | 2025 |
| ALL Seasons Roofing Services Ltd | Chesterfield | 2020 |
| ALL Seasons Scaffolding Limited | Loughton | 2018 |
| ALL Seasons Solutions Limited | Chelmsford | 2017 |
| ALL Seasons Southern Ltd | Southsea | 2013 |
| ALL Seasons Surfacing Limited | Kingswinford | 1973 |
| ALL Seasons Window Films Limited | Lincolnshire | 2003 |
| ALL Seasons Windows & Doors Limited | London | 2001 |
| ALL Seasons Windows (Kent) Limited | Kent | 2002 |
| ALL Seasons Windows UK Limited | Grays | 2006 |
| ALL Secure Doors Ltd. | Merthyr Tydfil | 2021 |
| ALL Secure Systems Limited | Liverpool | 2008 |
| ALL Serv Networks Ltd | Renfrew | 2023 |
| ALL Service Plumbers 4U Limited | London | 2016 |
| ALL Services Covered Limited | London | 2025 |
| ALL Services London Ltd | Romford | 2025 |
| ALL Services Property Maintenance Limited | Sawbridgeworth | 2005 |
| ALL SET Limited | Horsham | 2004 |
| ALL SET UP Ltd | Belfast | 2020 |
| ALL Shades London Ltd | London | 2016 |
| ALL Shades of Life CIC | Dartford | 2019 |
| ALL Shape Builders Ltd | London | 2021 |
| ALL Shape Roofing Ltd | Morden | 2022 |
| ALL SHE Surveys Ltd | Sunk Island | 2002 |
| ALL Sheng Limited | Birmingham | 2022 |
| ALL Site Innovations Ltd | Mitcham | 2015 |
| ALL Site Installations Limited | Rochester | 2023 |
| ALL Site Solutions Ltd | London | 2025 |
| ALL Size Builds Ltd | Rochester | 2024 |
| ALL Size Roofing Services Limited | Chatham | 2009 |
| ALL Solar Works Limited | Worthing | 2018 |
| ALL Solution Construction Ltd | Newcastle Upon Tyne | 2013 |