| Central Shopfitting Group Limited | Construction | 2024 |
| Central Source Group Limited | Extraterritorial | 2012 |
| Central Urban Properties Limited | Construction | 2004 |
| Central Vehicle Hire Limited | Administrative & support | 1999 |
| Central Waste (UK) Ltd | Water & waste | 2006 |
| Central Waste Holdings Limited | Financial services | 2015 |
| Central Wellbeing Support Ltd | Administrative & support | 2025 |
| Centralised Services (Valves) Limited | Construction | 1978 |
| Centre Court Carbodyshop Ltd | Wholesale & retail | 2009 |
| Centre for International Negotiation Ltd | Professional & scientific | 2016 |
| Centre for Reproductive Medicine Limited | Health & social care | 1996 |
| Centre for Systemic Economic Thinking Ltd. | Professional & scientific | 2024 |
| Centred Care Living Ltd | Public administration | 2022 |
| Centres for Assisted Reproduction Limited | Health & social care | 1997 |
| Centricity Healthcare Ltd | Health & social care | 2024 |
| Centro Group Holdings Limited | Financial services | 2025 |
| Centro Property Limited | Construction | 2025 |
| Centurion Legal Limited | Professional & scientific | 2013 |
| Century Digital Print Limited | Manufacturing | 2001 |
| Century Print Solutions Limited | Manufacturing | 2016 |
| CEP Media Limited | Professional & scientific | 2021 |
| Ceraiki Limited | Real estate | 2018 |
| Cerambyx Ltd | Professional & scientific | 2014 |
| Ceramic Kitchens Limited | Manufacturing | 2021 |
| Ceramic Tile Markets Limited | Wholesale & retail | 1987 |
| Ceramic Tiling Solutions Limited | Construction | 2023 |
| Cerber Ltd | Transport & logistics | 2026 |
| Cerberus Watches Ltd | Manufacturing | 2021 |
| Cerca Magnetics Limited | Professional & scientific | 2020 |
| Ceres Systems Limited | Information & communication | 1981 |
| Certa Cito Communications Ltd | Information & communication | 2017 |
| Certified Fire Door Installations Limited | Construction | 2024 |
| Certified Motors Ltd | Wholesale & retail | 2024 |
| Certified Public and General Accountants UK Ltd | Education | 2021 |
| Certisafe Fire & Interiors Ltd | Public administration | 2026 |
| Certus Ltd. | Health & social care | 2018 |
| CES Management Consultancy Limited | Professional & scientific | 2023 |
| CET Plumbing and Home Improvements Limited | Construction | 2016 |
| Cetirc Ltd | Information & communication | 2026 |
| Cets Services Ltd | Professional & scientific | 2025 |
| Cevizor Ltd | Manufacturing | 2024 |
| Ceylon Organics Limited | Manufacturing | 2022 |
| Ceylon Pearl Ltd | Hospitality | 2025 |
| Ceylon Tea Growers Association,Limited | Real estate | 1929 |
| Ceylon Wise Limited | Wholesale & retail | 2023 |
| Ceylontt Ltd | Manufacturing | 2025 |
| CF End-Point Assessment & IQA Services Ltd | Information & communication | 2020 |
| CF Evolving Ltd | Arts & recreation | 2014 |
| CF Group Ltd | Financial services | 2025 |
| CF Media Ltd | Manufacturing | 2025 |
| CF Nixon Limited | Information & communication | 2018 |
| CF Trading Company Ltd. | Health & social care | 2010 |
| CFC (Midlands) Limited | Arts & recreation | 2020 |
| CFC Clifton Ltd | Hospitality | 2025 |
| CFC Disposal Limited | Water & waste | 2006 |
| CFC Nottingham Limited | Hospitality | 2024 |
| CFE Aviation Ltd | Manufacturing | 2023 |
| CFK Markets Ltd | Financial services | 2026 |
| CFS Aircraft Parts and Maintenance Ltd | Other services | 2019 |
| CFS Flight Training Nottingham Ltd | Education | 2019 |
| CFS Restructuring LLP | | 2015 |
| Cfss Service Ltd | Administrative & support | 2025 |
| CG Barbers Ltd | Other services | 2022 |
| CG Lindsay Ltd | Construction | 2022 |
| CG Nottingham Ltd | Wholesale & retail | 2022 |
| Cgamb Ltd | Health & social care | 2015 |
| CGG (2024) Limited | Health & social care | 2024 |
| CGK Performance Ltd | Wholesale & retail | 2018 |
| CGN 2022 Limited | Wholesale & retail | 2022 |
| CGN Developments Ltd | Construction | 2023 |
| CGR Associates Limited | Education | 2014 |
| CGR Fitness Ltd | Professional & scientific | 2024 |
| CH Hafiz Estates Ltd | Wholesale & retail | 2024 |
| CH Legal Support Limited | Administrative & support | 2019 |
| CH Valve Engineers Ltd | Professional & scientific | 2009 |
| Ch&B Investments Limited | Real estate | 2025 |
| CHA CHA Motors Limited | Wholesale & retail | 2024 |
| Chaat Bazaar Ltd | Hospitality | 2025 |
| Chabad Lubavitch of Nottingham | Other services | 2011 |
| Chackmore Property Limited | Real estate | 2024 |
| Chad Gammon Ltd | Professional & scientific | 2023 |
| Chad PJ Ltd | Hospitality | 2023 |
| Chadan Limited | Information & communication | 2005 |
| Chaddesden Bites Ltd | Hospitality | 2024 |
| Chainmakers Fish Bar Limited | Hospitality | 2025 |
| Chalco Limited | Hospitality | 1980 |
| Chalets and Apartments Limited | Real estate | 2009 |
| Chalgrove Field Limited | Real estate | 2001 |
| Chalk Education Ltd | Education | 2017 |
| Chalk Healthcare Ltd | Administrative & support | 2018 |
| Chalkies Long Eaton Ltd | Hospitality | 2024 |
| Challenge Maintenance Holdings Limited | Professional & scientific | 2010 |
| Challenge Maintenance Services Limited | Administrative & support | 2007 |
| Challenger Autos Limited | Wholesale & retail | 2016 |
| Challinger Translations Ltd | Professional & scientific | 2012 |
| Challoner Maintenance Ltd | Construction | 2023 |
| Chamangwana Logistics Ltd | Transport & logistics | 2014 |
| Chamberlains Bridge Management Company Limited | Households | 2022 |
| Chamberlains Heath Residents Management Company Limited | Households | 2026 |
| Chambers & Brighty Limited | Extraterritorial | 2002 |