| Aspire Payments Limited | Chester | 2015 |
| Aspire Plastics Limited | Ipswich | 2010 |
| Aspire Property Collection Limited | Helensburgh | 2025 |
| Aspire Property Finance Limited | Chippenham | 2021 |
| Aspire Property Holdings (Castle) Limited | Poole | 2018 |
| Aspire Signature Group Ltd | Paisley | 2024 |
| Aspire Software Group Ltd | London | 2026 |
| Aspire Software Systems Holdings Limited | Bury | 2020 |
| Aspire Solution 786 Ltd | Birmingham | 2025 |
| Aspire Solutions Group Limited | Gateshead | 2018 |
| Aspire Technology Alliance Limited | Gateshead | 2025 |
| Aspire Technology Group Ltd | London | 2018 |
| Aspire Technology Holdings Limited | Gateshead | 2025 |
| Aspire Technology Operations Limited | Gateshead | 2025 |
| Aspire Trade Worldwide Limited | Edgware | 2011 |
| Aspire Trading 2020 Limited | Stanmore | 2020 |
| Aspire UK Holdings Ltd | London | 2020 |
| Aspire Wealth ( Scotland ) Limited | Kilmarnock | 2016 |
| Aspire Wealth Limited | Cramlington | 2014 |
| Aspire Wealth Management Limited | Edinburgh | 2006 |
| Aspire Wealth Planning Ltd | West Bergholt | 2016 |
| Aspire Wellbeing Limited | Newcastle Upon Tyne | 2019 |
| Aspire Wise Ltd | London | 2025 |
| Aspired Finance Limited | Sunderland | 2018 |
| Aspires Finance Limited | Birmingham | 2017 |
| Aspiretech Holdings Ltd | London | 2022 |
| Aspirex Infotech Limited | Leicester | 2025 |
| Aspiring Industries Ltd | Bromyard | 2025 |
| Aspirion Wealth Limited | Chesterfield | 2016 |
| Aspirito Holdings Limited | Newcastle Upon Tyne | 2025 |
| Aspirity Partners Holdings Limited | London | 2024 |
| Aspiro Financial Ltd | Bexhill-On-Sea | 2026 |
| Aspiro Lumen Ltd | London | 2025 |
| Aspiron Ventures Limited | Bournemouth | 2024 |
| Aspley Financial Planning Limited | Woburn Sands | 2007 |
| Aspley Group Holdings Limited | Bedford | 2022 |
| Asplins UTG Limited | London | 1997 |
| Aspo Holdings Limited | Stamford | 2022 |
| Aspome Holdings Limited | Leigh-On-Sea | 2021 |
| Aspra Solutions Limited | Hartlepool | 2008 |
| Aspralia Limited | London | 2016 |
| Aspray Affinity Limited | Darwen | 2014 |
| Asprey Capital Limited | Enfield | 2016 |
| Asprey Holdco One (UK) Ltd | London | 2025 |
| Asprey Holdco Three (UK) Ltd | London | 2025 |
| Asprey Holdco Two (UK) Ltd | London | 2025 |
| Aspreytech Holdings and Investments Ltd | Dudley | 2024 |
| Aspris Bidco Limited | Leicester | 2021 |
| Aspris Holdco Limited | Leicester | 2021 |
| Aspris Midco Limited | Leicester | 2021 |
| Aspris Scotland Holdings Limited | Kilbirnie | 2012 |
| Aspro Holdings Ltd | Swindon | 2024 |
| Aspse Holdings Limited | London | 2018 |
| Aspuna Group Limited | Cambridge | 2016 |
| Aspv Consultancy Limited | Dartford | 2008 |
| Aspyr Ltd | Royal Wootton Bassett | 2020 |
| ASQ Associates Ltd | Elland | 2019 |
| ASQ Financial Services Limited | Knaresborough | 2019 |
| Asquire Wealth Management Limited | Richmond | 2013 |
| Asquith Financial Services Limited | Ipswich | 2021 |
| Asquith Group Holdings Limited | Plymouth | 2017 |
| Asquith Hart Limited | Denby | 2013 |
| Asquith Holdings Limited | Skipton | 2017 |
| ASR and P Holdings Limited | West Bromwich | 2024 |
| ASR Corporate Member Limited | London | 2024 |
| ASR Travel Group Limited | Warrington | 2019 |
| ASR1 Holdings Ltd | London | 2025 |
| Asra Holdings Limited | Harrow | 2017 |
| Asra Partners Limited | London | 2020 |
| Asrc Holdings Ltd | Belper | 2025 |
| Asri Advanced Studies and Research Initiative Ltd | Egham | 2020 |
| Asrk Holdings Ltd | Colchester | 2024 |
| Asrm Consultants Ltd | Dewsbury | 2016 |
| Asrs Services Ltd | Sunderland | 2026 |
| Assa Accounts Ltd | Liverpool | 2014 |
| Assa Global Services Limited | Essex | 2011 |
| Assadaqaat Community Finance | Cardiff | 2017 |
| Assafou Holdings UK Limited | London | 2026 |
| Assai Asset Management Limited | London | 2018 |
| Assam Finance Limited | Finchley | 2015 |
| Assam Trading Company Ltd | London | 2019 |
| Assassa Limited | Skipton | 2022 |
| Assaye Holdings Limited | Dunfermline | 2020 |
| Assec Investments Limited | London | 2017 |
| Assecurit Ltd | London | 2024 |
| Asseily Ventures Limited | Borehamwood | 2018 |
| Assemble Group Holdings Ltd | London | 2024 |
| Assemble Group Limited | London | 2026 |
| Assemble Investments Limited | Chelmsford | 2026 |
| Assembly Capital Partners Limited | London | 2017 |
| Assembly Contracts Group Limited | Manchester | 2024 |
| Assembly Contracts Holdings Limited | Manchester | 2024 |
| Assembly IT Technology Support Ltd | Dartford | 2016 |
| Assembly Payments UK Ltd | Nutfield | 2020 |
| Assembly Property Holdings Limited | Stockport | 2014 |
| Assembly Solutions Holdings Ltd | Bolton | 2016 |
| Assembly Techniques (Holdco) Ltd | Middlebrook | 2025 |
| Assembuild Group Limited | Colchester | 2020 |
| Assembuild Midco Limited | Colchester | 2021 |
| Assembuild Topco Limited | Colchester | 2021 |