| Comfort Royale Events Ltd | Hospitality | 2026 |
| Comfortable Holdings Ltd | Real estate | 2025 |
| Comfortably Yours Limited | Professional & scientific | 1966 |
| Comfortel Furniture UK Ltd | Wholesale & retail | 2021 |
| Comforter Homes Ltd | Real estate | 2020 |
| Comfortlayer Ltd | Transport & logistics | 2019 |
| Comfortlivingco Ltd | Hospitality | 2026 |
| Comfur UK Limited | Wholesale & retail | 2014 |
| Comfy Baara Ltd | Wholesale & retail | 2026 |
| Comfy Company 1 Ltd | Wholesale & retail | 2025 |
| Comfy Nest Stays Ltd | Real estate | 2023 |
| Comfy Quilts Limited | Manufacturing | 1991 |
| Comfy Traders Limited | Wholesale & retail | 2020 |
| Comfyfit Ltd | Wholesale & retail | 2019 |
| Comfyhome (Manchester) Ltd | Real estate | 2021 |
| Comfyhomeis Ltd | Wholesale & retail | 2023 |
| Comiskeys Cupcake Creations Ltd | Hospitality | 2022 |
| Comleco Ltd | Professional & scientific | 2015 |
| Comm Commercial Contractors Ltd | Construction | 2017 |
| Comma Press | Information & communication | 2007 |
| Command Centre IT Ltd | Information & communication | 2022 |
| Command Prayer Centre Ministries International | Other services | 2003 |
| Comme CA Art Dealers Limited | Arts & recreation | 2011 |
| Commen Consulting Ltd | Administrative & support | 2024 |
| Commerce Bargains Ltd | Wholesale & retail | 2025 |
| Commerce Freeman Limited | Wholesale & retail | 2024 |
| Commerce Mart Ltd | Wholesale & retail | 2025 |
| Commercial & Legal Ltd | Wholesale & retail | 2019 |
| Commercial & Residential Maintenance Limited | Other services | 2013 |
| Commercial & Residential Properties (UK) Limited | Real estate | 2010 |
| Commercial & Residential Properties Manchester Limited | Real estate | 2013 |
| Commercial and Business Lawyers Limited | Extraterritorial | 2025 |
| Commercial Auto Electrics Ltd | Construction | 2022 |
| Commercial Building Consultancy Ltd | Professional & scientific | 2024 |
| Commercial Coding Ltd. | Information & communication | 2016 |
| Commercial Deliveries UK Ltd | Transport & logistics | 2025 |
| Commercial Finance (2010) Limited | Financial services | 2007 |
| Commercial Heating Manchester Ltd | Construction | 2021 |
| Commercial HR Ltd | Professional & scientific | 2019 |
| Commercial Insight Limited | Professional & scientific | 2012 |
| Commercial Kitchen Fabrication Ltd | Manufacturing | 2022 |
| Commercial Litigation Association Limited | Professional & scientific | 2006 |
| Commercial Property Investments Limited | Real estate | 2020 |
| Commercial Real Estate Management Limited | Real estate | 2009 |
| Commercial Safety Consultants Limited | Professional & scientific | 2002 |
| Commercial Transformation Ltd | Professional & scientific | 2023 |
| Commercial Tyres Ltd | Manufacturing | 2017 |
| Commercial Utility Support Service Ltd | Energy | 2019 |
| Commercial Vehicle Roofs Limited | Water & waste | 1974 |
| Commerzion Limited | Wholesale & retail | 2025 |
| Commit Careers Ltd | Administrative & support | 2026 |
| Committ Communications Ltd | Information & communication | 2015 |
| Commodities Services Ltd | Wholesale & retail | 2020 |
| Commodity Flow Limited | Administrative & support | 2009 |
| Common & Co (MCR) Ltd | Financial services | 2019 |
| Common and Kind Ltd | Extraterritorial | 2025 |
| Common Cloth CIC | Agriculture & fishing | 2025 |
| Common Practice Studio Ltd | Professional & scientific | 2022 |
| Commonground Parenting Ltd | Information & communication | 2026 |
| Commonhood Limited | Administrative & support | 2026 |
| Commonly Designs Ltd | Professional & scientific | 2026 |
| Commonly Partnerships Ltd | Professional & scientific | 2026 |
| Commonword Enterprises Limited | Arts & recreation | 2006 |
| Commoria Limited | Information & communication | 2026 |
| Commresolve Limited | Information & communication | 2024 |
| Comms Hive LLP | | 2022 |
| Commscloud Limited | Information & communication | 2015 |
| Commsec Limited | Administrative & support | 2007 |
| Commsrebel Ltd | Professional & scientific | 2018 |
| Commtech 2000 UK Ltd | Information & communication | 2013 |
| Communal Maintenance Limited | Manufacturing | 2025 |
| Communal Vision Maintenance Limited | Information & communication | 2023 |
| Communica Ltd | Information & communication | 2010 |
| Communities United Project | Arts & recreation | 1998 |
| Community Accountancy Service Limited | Professional & scientific | 1991 |
| Community Action Hub CIC | Education | 2023 |
| Community ADD Ltd | Professional & scientific | 2025 |
| Community Arts North West Ltd. | Arts & recreation | 1978 |
| Community Arts Team Salford CIC | Arts & recreation | 2026 |
| Community Arts Thread CIC | Arts & recreation | 2025 |
| Community Assets Services Cooperative Limited | Other services | 2019 |
| Community Bike Kitchen CIC | Wholesale & retail | 2021 |
| Community Care Group Ltd | Health & social care | 2022 |
| Community Clay Studio Manchester C.I.C. | Administrative & support | 2017 |
| Community Dental Centres Limited | Health & social care | 1955 |
| Community Education Initiative CIC | Education | 2020 |
| Community Elderly and Disabled Support CIC | Other services | 2024 |
| Community Excel CIC | Education | 2023 |
| Community Health Partnerships Limited | Public administration | 2001 |
| Community Hire Ltd | Administrative & support | 2020 |
| Community Homes Ltd | Real estate | 2025 |
| Community House of Love CIC | Health & social care | 2023 |
| Community Lighting Partnership (Blackpool) Holdings Limited | Professional & scientific | 2009 |
| Community Lighting Partnership (Blackpool) Limited | Construction | 2009 |
| Community Lighting Partnership (Oldham) Holdings Limited | Professional & scientific | 2011 |
| Community Lighting Partnership (Oldham) Limited | Professional & scientific | 2011 |
| Community Lighting Partnership (Rochdale) Holdings Limited | Professional & scientific | 2011 |
| Community Lighting Partnership (Rochdale) Limited | Professional & scientific | 2011 |
| Community Media Crew Group | Arts & recreation | 2018 |
| Community Mortgage Services Ltd | Financial services | 2018 |