| Excel Hard Tools Co., Ltd | London | 2016 |
| Excel Laser Profilers Ltd | Tonbridge | 2023 |
| Excel Metal Finishing Limited | Sutton Coldfield | 2010 |
| Excel Motors (Midlands) Limited | Derby | 2000 |
| Excel Paper & Polythene Limited | Leicester | 2012 |
| Excel Project Solutions Limited | Ashton-Under-Lyne | 2022 |
| Excel Roadmarkings Limited | Ashford | 2022 |
| Excel Support Services Ltd | Bracknell | 2005 |
| Excel Utilities Ltd | Otley | 2019 |
| Excel Yourself Limited | Plymouth | 2005 |
| Excelcare Properties Limited | London | 2001 |
| Excelec Limited | Daventry | 2011 |
| Excell's Emporium Ltd | Witham | 2021 |
| Excelle Industrial Co., Ltd | London | 2014 |
| Excellence Int'L Logistics Co., Ltd | London | 2016 |
| Excellence Quality Industrial Limited | Beckenham | 2016 |
| Excellencet Professional Chemicals Co., Ltd | London | 2010 |
| Excellent Bright Limited | London | 2021 |
| Excellent Consultation Ltd. | Oldham | 2025 |
| Excellent Holistic Care Limited | Stockton On Tees | 2023 |
| Excellent International Industrial Limited | Beckenham | 2022 |
| Excellent Quality Care Agency Ltd | London | 2020 |
| Excellent Technology HK Ltd | London | 2016 |
| Excellent Trade Development Company Limited | Beckenham | 2023 |
| Excellent Yang Trading Co Ltd | London | 2022 |
| Excellentia Global Limited | London | 2019 |
| Excellents Kitchens Limited | London | 2025 |
| Excelliott Ltd | Melton Mowbray | 2021 |
| Excelsior Estates Limited | Edinburgh | 2015 |
| Excelsior Hotels International (UK) Limited | Southampton | 2017 |
| Excelsior Motor Company Limited | Solihull | 2007 |
| Excelsior Motorcycles Limited | Solihull | 2007 |
| Exception Analytics Limited | Oxted | 2014 |
| Exceptional Investments DCR S.A. Ltd | London | 2022 |
| Exceptional Ventures BBI (KCP) Nominees Limited | London | 2026 |
| Excess Baggage (North Britain) Limited | Hayes | 2002 |
| Excess Baggage (Storage) Limited | Hayes | 2002 |
| Excess Baggage Canada Ltd | Hayes | 2004 |
| Excess Baggage Company Limited | Hayes | 2003 |
| Excess Baggage Company South Europe Ltd | Hayes | 2002 |
| Excess Baggage Company West Europe Ltd | Hayes | 2002 |
| Excess Baggage Denmark Limited | Hayes | 2003 |
| Excess Baggage Europe Limited | Hayes | 2002 |
| Excess Baggage European Investments Ltd | Hayes | 2014 |
| Excess Baggage Iberia Limited | Hayes | 2002 |
| Excess Baggage International Ltd | Hayes | 2003 |
| Excess Baggage Ireland Limited | Hayes | 2002 |
| Excess Baggage North America Limited | Hayes | 2002 |
| Excess Baggage Spain Limited | Hayes | 2003 |
| Excess Protect Limited | Sheffield | 2010 |
| Exchange and Mart Limited | Harrogate | 2015 |
| Exchange Avenue Management Ltd | Ballyclare | 2010 |
| Exchange Communications Limited | Glasgow | 2017 |
| Exchange Investment Trust Limited | London | 2015 |
| Exchange Place NO.2 Limited | Cobham | 1998 |
| Exchange Properties Limited | York | 1991 |
| Exchange Securities Limited | London | 1989 |
| Exchequer Group Ltd | Crosby | 2002 |
| Exclaim Your Power Ltd | London | 2015 |
| Exclaimer Group (Holdings) Limited | Farnborough | 2016 |
| Exclusive Adventures Limited | Kettering | 1998 |
| Exclusive Agent Ltd | Oldham | 2024 |
| Exclusive Ballooning Limited | Bristol | 2022 |
| Exclusive Castle Rentals Limited | Nottingham | 2005 |
| Exclusive Fireworks Limited | Hounslow | 2012 |
| Exclusive Property Holdings Ltd | Bradford | 2021 |
| Exclusive Refrigerated Trailers Limited | Thatcham | 2017 |
| Exclusively DIY Limited | Birmingham | 2001 |
| Exclusively Housewares Limited | Birmingham | 2000 |
| Excoolspace Limited | Droitwich | 2015 |
| EXE Capital Limited | Cirencester | 2019 |
| EXE Machina Ltd | Exeter | 2022 |
| Exec Cars Exeter Ltd | Exeter | 2014 |
| Exec Spec Tints Limited | West Bridgford | 2003 |
| Exec-Appointments Ltd | London | 2000 |
| Execair Limited | Stansted | 1996 |
| Execkit.Com Limited | Langley | 2000 |
| Execroles Ltd | London | 2017 |
| Execudent (Holborn) Limited | Hornchurch | 2008 |
| Execudent (Salisbury) Limited | Hornchurch | 2008 |
| Executive Alarms Holdings Limited | Leicester | 2018 |
| Executive Coaching Edge Limited | London | 2022 |
| Executive Finance Limited | London | 2024 |
| Executive Fitness Limited | Manchester | 2017 |
| Executive Growth Academy Ltd | Godalming | 2025 |
| Executive Heads Ltd | Hedge End | 2019 |
| Executive Hire South West Limited | Plymouth | 2017 |
| Executive Interior Contracts Limited | London | 2010 |
| Executive Law Limited | Manchester | 2025 |
| Executive Match Ltd | London | 2010 |
| Executive Medical Limited | Manchester | 2025 |
| Executive Thinking Ltd | Southampton | 2024 |
| Executives in Emerging Markets Limited | Lymington | 2010 |
| Execview Insight Ltd | Leatherhead | 2005 |
| Exegrain Limited | Newmarket | 1969 |
| Exel Executive Ltd | Luton | 2019 |
| Exelero E1 Holdings Limited | London | 2015 |
| Exemplahr Limited | Newark | 2021 |
| Exemplary Marketing Limited | Sheffield | 2011 |
| Exentia Consulting Ltd | London | 2016 |