| Alchemy Advisory Limited | Manchester | 2025 |
| Alchemy Analytica Ltd | Derby | 2021 |
| Alchemy Anarchy Limited | London | 2022 |
| Alchemy Architects Ltd | Yarmouth | 2005 |
| Alchemy Associates Ltd | Romford | 2000 |
| Alchemy Award Limited | Hertford | 2006 |
| Alchemy BS Ltd | Bishops Stortford | 2005 |
| Alchemy Business Coaching Ltd | Liverpool | 2010 |
| Alchemy Business Solutions Limited | Gateshead | 2003 |
| Alchemy Business UK Limited | Buckhurst Hill | 2015 |
| Alchemy CF Limited | Solihull | 2009 |
| Alchemy Change Consulting Ltd | Leeds | 2012 |
| Alchemy Civil Engineering Ltd | Stansted | 2022 |
| Alchemy CLJ Limited | Ashtead | 2021 |
| Alchemy CNC Engineering Limited | Dundee | 2016 |
| Alchemy Commercial Consulting Limited | Newquay | 2025 |
| Alchemy Commercial Ltd | Gloucester | 2025 |
| Alchemy Commercial Solutions Ltd | Gloucester | 2021 |
| Alchemy Comms Ltd | London | 2019 |
| Alchemy Communications Ltd | Manchester | 2024 |
| Alchemy Compliance Limited | Nottingham | 2001 |
| Alchemy Consultancy Partnership Limited | Northampton | 2016 |
| Alchemy Consultancy Services Limited | Liverpool | 2009 |
| Alchemy Consultants & Engineers Limited | Stoke-On-Trent | 2011 |
| Alchemy Consultants UK Ltd | London | 2024 |
| Alchemy Consulting Group Limited | Fleet | 2017 |
| Alchemy Consulting Limited | London | 2025 |
| Alchemy Consulting NE Ltd | Middlesbrough | 2023 |
| Alchemy Consulting Services Limited | Leeds | 2025 |
| Alchemy Contracts (Scotland) Limited | Edinburgh | 2018 |
| Alchemy Creative Limited | Bristol | 2026 |
| Alchemy Creative Solutions Limited | Bedford | 2004 |
| Alchemy Design & Training Ltd | Bangor | 2015 |
| Alchemy Digital Ltd | Oldham | 2020 |
| Alchemy Dynamics & Co Ltd | Eastbourne | 1999 |
| Alchemy Educational Training Ltd | Portsmouth | 2012 |
| Alchemy Effects Ltd | Belfast | 2017 |
| Alchemy Emea Limited | London | 2024 |
| Alchemy Energy Associates Ltd | London | 2012 |
| Alchemy Energy Services Ltd | Laurencekirk | 2019 |
| Alchemy Event Management Ltd | London | 2017 |
| Alchemy Events Limited | Lytham St. Annes | 2015 |
| Alchemy Financial Consulting Limited | South Croydon | 2015 |
| Alchemy Financial Solutions Limited | Staines-Upon-Thames | 2002 |
| Alchemy Group Ventures Limited | Liverpool | 2010 |
| Alchemy Healthcare Group Limited | Consett | 2021 |
| Alchemy Hub Ltd | Bristol | 2023 |
| Alchemy Ingredients Limited | London | 2017 |
| Alchemy Insight Limited | Richmond Upon Thames | 2003 |
| Alchemy Interiors Ltd | London | 2026 |
| Alchemy International Ltd | Peterborough | 2019 |
| Alchemy LCS Limited | London | 2021 |
| Alchemy Leadership Partners Limited | London | 2026 |
| Alchemy Leasing Limited | Wombourne | 2003 |
| Alchemy Licensing & Entertainment Ventures Limited | London | 2023 |
| Alchemy Media Limited | Harrogate | 2006 |
| Alchemy Media Services Ltd | Croydon | 2023 |
| Alchemy Medical Communications Limited | Canterbury | 2015 |
| Alchemy Metals UK Limited | Stevenage | 2006 |
| Alchemy of Mindset Ltd | Bristol | 2025 |
| Alchemy of the Imagination Ltd | Derby | 2020 |
| Alchemy Organics Limited | Basingstoke | 2024 |
| Alchemy Pharmatech Limited | Watlington | 2012 |
| Alchemy Photography Limited | Woking | 2013 |
| Alchemy Professions Limited | Ilkley | 2022 |
| Alchemy Property Renovations Ltd | London | 2021 |
| Alchemy Recycling Ltd | London | 2023 |
| Alchemy Research & Consultancy Ltd | Woking | 2005 |
| Alchemy Research Associates Limited | Wakefield | 2000 |
| Alchemy Research Limited | Wakefield | 2006 |
| Alchemy Safety Ltd | Barnard Castle | 2009 |
| Alchemy Sales & Marketing Limited | York | 2004 |
| Alchemy SCS Limited | Barwick | 2020 |
| Alchemy Social Impact Limited | Cobham | 2025 |
| Alchemy Squared Limited | Shoreham-By-Sea | 2016 |
| Alchemy Studio AI Ltd | Cheadle | 2025 |
| Alchemy Studios Consultancy Ltd | Cardiff | 2017 |
| Alchemy Systems Limited | Tamworth | 2021 |
| Alchemy UK Holdco 1 Limited | London | 2018 |
| Alchemy UK Holdco 2 Limited | London | 2018 |
| Alchemy UK Holdco 3 Limited | London | 2018 |
| Alchemy Value Creation & Transformation Ltd | Epsom | 2018 |
| Alchemy Ventures Limited | London | 2003 |
| Alchemy Visualization Limited | Wirral | 2016 |
| Alchemy VR Ltd | London | 2016 |
| Alchemy Worldwide Limited | Covent Garden | 2016 |
| Alchemy Yield Ltd | London | 2020 |
| Alchemy-Aaa Limited | Market Rasen | 2015 |
| Alchemybot Limited | Liverpool | 2023 |
| Alchera Ltd | March | 2017 |
| Alchester HR Consulting Ltd | Launton | 2021 |
| Alchimera Investors Ltd | Royston | 2024 |
| Alchimia Ltd | Crook | 2018 |
| Alchimie Consulting Ltd | London | 2026 |
| Alchimist Designs Ltd | London | 2024 |
| Alcidae Consulting Ltd | Dereham | 2024 |
| Alcide Investments Limited | London | 2013 |
| Alcidion UK Limited | London | 2009 |
| Alcina Associates Ltd | Worthing | 2022 |
| Alcinoe Limited | London | 2020 |