| Crystal Care Homes Deanshanger Limited | Health & social care | 2026 |
| Crystal Care Homes Deeside Limited | Financial services | 2024 |
| Crystal Care Homes Denmead Limited | Health & social care | 2026 |
| Crystal Care Homes Diss Limited | Health & social care | 2026 |
| Crystal Care Homes E Midco Limited | Health & social care | 2025 |
| Crystal Care Homes Eastbourne Limited | Financial services | 2024 |
| Crystal Care Homes Ellesmere Port Limited | Health & social care | 2023 |
| Crystal Care Homes Falmouth Limited | Health & social care | 2026 |
| Crystal Care Homes Fareham Limited | Health & social care | 2026 |
| Crystal Care Homes Gloucester Limited | Real estate | 2024 |
| Crystal Care Homes Halling Limited | Financial services | 2023 |
| Crystal Care Homes Hastings Limited | Financial services | 2023 |
| Crystal Care Homes Hatton Limited | Health & social care | 2024 |
| Crystal Care Homes Helston Limited | Health & social care | 2025 |
| Crystal Care Homes Heybridge Limited | Health & social care | 2025 |
| Crystal Care Homes Hooton Limited | Health & social care | 2025 |
| Crystal Care Homes Killams Limited | Financial services | 2024 |
| Crystal Care Homes LH Limited | Health & social care | 2024 |
| Crystal Care Homes Lichfield Limited | Real estate | 2023 |
| Crystal Care Homes Lincoln Limited | Health & social care | 2025 |
| Crystal Care Homes Mansfield Limited | Health & social care | 2026 |
| Crystal Care Homes Marchwood Limited | Financial services | 2024 |
| Crystal Care Homes Market Rasen Limited | Health & social care | 2025 |
| Crystal Care Homes Midsomer Norton Limited | Real estate | 2023 |
| Crystal Care Homes Newcastle Limited | Health & social care | 2026 |
| Crystal Care Homes Newport Limited | Health & social care | 2026 |
| Crystal Care Homes Northallerton Limited | Health & social care | 2026 |
| Crystal Care Homes OB 1 Midco Limited | Health & social care | 2026 |
| Crystal Care Homes OB 2 Midco Limited | Health & social care | 2026 |
| Crystal Care Homes OHF Midco Limited | Health & social care | 2024 |
| Crystal Care Homes Peterborough Limited | Financial services | 2025 |
| Crystal Care Homes Pontefract Limited | Health & social care | 2024 |
| Crystal Care Homes Ramsgate Limited | Health & social care | 2025 |
| Crystal Care Homes Rugby Limited | Health & social care | 2025 |
| Crystal Care Homes Sayers Common Limited | Health & social care | 2023 |
| Crystal Care Homes Shipley Lakes Limited | Real estate | 2023 |
| Crystal Care Homes Shrewsbury Limited | Health & social care | 2025 |
| Crystal Care Homes Shripney Limited | Financial services | 2024 |
| Crystal Care Homes Southampton Limited | Real estate | 2023 |
| Crystal Care Homes Stratford Limited | Health & social care | 2026 |
| Crystal Care Homes Telford Limited | Financial services | 2024 |
| Crystal Care Homes Thornbury Limited | Financial services | 2023 |
| Crystal Care Homes Topsham Limited | Financial services | 2024 |
| Crystal Care Homes Truro Limited | Health & social care | 2025 |
| Crystal Care Homes Warrington Limited | Financial services | 2024 |
| Crystal Care Homes Wymondham Limited | Financial services | 2023 |
| Crystal Care Homes Y Limited | Health & social care | 2023 |
| Crystal Care Homes Yate Limited | Health & social care | 2026 |
| Crystal Care Homes Yeovil Limited | Financial services | 2023 |
| Crystal Care LUK Midco Limited | Health & social care | 2025 |
| Crystal Care Manco Midlands Limited | Health & social care | 2026 |
| Crystal Care Manco North Limited | Health & social care | 2026 |
| Crystal Care Manco South East Limited | Health & social care | 2026 |
| Crystal Care Manco South West Limited | Health & social care | 2026 |
| Crystal Care Opco Group (2) Limited | Health & social care | 2023 |
| Crystal Care Opco Group Limited | Health & social care | 2025 |
| Crystal Care P Midco Limited | Health & social care | 2025 |
| Crystal Care SB Midco Limited | Health & social care | 2025 |
| Crystal Care Services Ltd | Health & social care | 2016 |
| Crystal Care VB Midco Limited | Health & social care | 2025 |
| Crystal Clean Window Cleaning Ltd | Administrative & support | 2020 |
| Crystal Cleaning (Leeds) Limited | Administrative & support | 2024 |
| Crystal Clear Ieeds Limited | Administrative & support | 2021 |
| Crystal Clear Leeds Limited | Administrative & support | 2015 |
| Crystal Clear Psychics Limited | Information & communication | 2012 |
| Crystal Clear TP Ltd | Administrative & support | 2020 |
| Crystal Cover Leeds Ltd | Financial services | 2014 |
| Crystal Group Leeds Ltd | Administrative & support | 2014 |
| Crystal Heart Limited | Real estate | 2015 |
| Crystal Mansion Conservatories | | 1991 |
| Crystal Smart Cleans Ltd | Administrative & support | 2026 |
| Crystal Software Ltd | Information & communication | 2007 |
| Crystal Spring Solutions Ltd | Construction | 2025 |
| Crystal Vape Lounge Ltd | Wholesale & retail | 2024 |
| Crystal Wellness Studio Ltd | Arts & recreation | 2026 |
| Crystal' Properties (Leeds) Ltd. | Real estate | 2016 |
| Crystalcleanco Ltd | Administrative & support | 2026 |
| CS & GF Heating Solutions Limited | Construction | 2026 |
| CS & ST Limited | Professional & scientific | 2010 |
| CS and ML Holdings Limited | Hospitality | 2023 |
| CS Cafe Leeds Ltd | Hospitality | 2025 |
| CS Catering Equipment Ltd | Wholesale & retail | 2014 |
| CS District Ltd | Real estate | 2022 |
| CS Fragrances Limited | Wholesale & retail | 2026 |
| CS Group of Hairdressing Limited | Other services | 2023 |
| CS Leisure Limited | Arts & recreation | 1989 |
| CS LS15 Ltd | Hospitality | 2019 |
| CS Machinery Services Ltd | Manufacturing | 2024 |
| CS Supplies Limited | Wholesale & retail | 2017 |
| CS Timber Yorkshire Limited | Wholesale & retail | 2025 |
| CS Vehicle Hire Ltd | Administrative & support | 2025 |
| CS Window Systems Ltd | Construction | 2020 |
| Cs&Harrison Roofing Ltd | Construction | 2023 |
| Cs,Mk & Jigaju Ltd | Real estate | 2024 |
| CSB Accounting Solutions Ltd | Professional & scientific | 2009 |
| Csbtech Limited | Information & communication | 2024 |
| CSC 23 Ltd | Financial services | 2022 |
| CSD EOT Limited | Financial services | 2023 |
| CSD Hospitality Ltd | Hospitality | 2021 |
| CSE Craigforth Ltd | Construction | 2024 |