| Full SET Products Ltd | Wholesale & retail | 2025 |
| Full Spectrum Security Ltd | Administrative & support | 2021 |
| Full Sphere Ltd | Professional & scientific | 2020 |
| Full Stack Ventures LLP | | 2018 |
| Full Team Ahead Ltd | Professional & scientific | 2022 |
| Full Tilt Camera Services Ltd | Information & communication | 2021 |
| Full-On Labs Limited | Information & communication | 2021 |
| Full. Magazine Ltd | Information & communication | 2023 |
| Fullcircle Supplies and Services Ltd | Wholesale & retail | 2024 |
| Fuller Davies Limited | Manufacturing | 1983 |
| Fuller Features Limited | Other services | 2021 |
| Fuller Healthcare Holdings Ltd | Financial services | 2022 |
| Fullermade Ltd | Wholesale & retail | 2025 |
| Fullerton Electrical Contractors Ltd | Construction | 2020 |
| Fullfilling Caterer Ltd | Hospitality | 2024 |
| Fullfix Property Solutions Limited | Construction | 2025 |
| Fullshire Limited | Manufacturing | 1974 |
| Fullspan Limited | Wholesale & retail | 2024 |
| Fulltherm Ltd | Construction | 2024 |
| Fully Illustrated Limited | Arts & recreation | 2008 |
| Fulmar Properties Ltd | Real estate | 2013 |
| Fulwood Living Ltd | Construction | 2022 |
| Fulwood Roofing Services (Northern) Limited | Construction | 1980 |
| Fulwood Roofing Trustees Limited | Professional & scientific | 2026 |
| FUM Commercial Property Limited | Real estate | 2025 |
| FUM Constructions Limited | Construction | 2025 |
| FUM Property Lettings Limited | Real estate | 2021 |
| Fumetec Limited | Manufacturing | 1991 |
| Fuming Ltd | Wholesale & retail | 2023 |
| FUN Experiences Ltd | Arts & recreation | 2021 |
| FUN FAN Manchester Ltd | Hospitality | 2018 |
| FUN Foundry Ltd | Wholesale & retail | 2024 |
| FUN Party (NW) Ltd | Wholesale & retail | 2019 |
| FUN TAP Ltd | Hospitality | 2018 |
| FUN to Learn Limited | Education | 2021 |
| FUN Xtream Ltd | Arts & recreation | 2023 |
| Funcare Limited | Education | 2004 |
| Functional Metering Limited | Information & communication | 2015 |
| Fund for International Cooperative Development Ltd | Other services | 2024 |
| Fundamental Apparel Ltd | Wholesale & retail | 2011 |
| Fundamental Frequencies Limited | Information & communication | 2023 |
| Fundamental Textiles Limited | Wholesale & retail | 2010 |
| Fundason Aliansa DI Afrika CIC | Administrative & support | 2024 |
| Funderise Ltd | Information & communication | 2019 |
| Funding SME Ltd | Financial services | 2020 |
| Fundingsecure Ltd | Financial services | 2012 |
| Fundraising Group Ltd | Professional & scientific | 2022 |
| Fundraising Support Ltd | Wholesale & retail | 2011 |
| Funeral Service Limited | Other services | 2008 |
| Funeral Silk Flowers Ltd | Manufacturing | 2025 |
| Fungall CIC | Agriculture & fishing | 2023 |
| Fungi Fields Ltd | Agriculture & fishing | 2024 |
| Funix Property Investments Limited | Real estate | 2023 |
| Funix UK Limited | Education | 2016 |
| Funkedits Ltd | Information & communication | 2018 |
| Funkemedia Limited | Professional & scientific | 2009 |
| Funki Fone Ltd | Wholesale & retail | 2023 |
| Funky Fashion MCR Ltd | Wholesale & retail | 2015 |
| Funkybets Ltd | Wholesale & retail | 2021 |
| Funland Amusements (Barmouth) Ltd | Arts & recreation | 2018 |
| Funmoment Technology Limited | Information & communication | 2025 |
| Funnpleasure Ltd | Wholesale & retail | 2024 |
| Funny Onion Ltd | Information & communication | 2010 |
| Funnyhomepp Ltd | Extraterritorial | 2022 |
| Funorama Ltd | Wholesale & retail | 2026 |
| Funshopping Ltd | Wholesale & retail | 2010 |
| Funtastic Centre Ltd | Health & social care | 2023 |
| FUR & Glow Ltd | Other services | 2026 |
| Furano Properties Limited | Real estate | 2021 |
| Furball Pets Limited | Manufacturing | 2020 |
| Fureys Limited | Real estate | 2002 |
| Furglo Ltd | Real estate | 2023 |
| Furiousfists Ltd | Wholesale & retail | 2018 |
| Furkan & Co. Limited | Wholesale & retail | 2022 |
| Furnace ST Development Ltd | Real estate | 2020 |
| Furness Commercial Units Limited | Real estate | 2022 |
| Furniture Place (Manchester) Ltd | Wholesale & retail | 2006 |
| Furniture Wholesale Ltd | Wholesale & retail | 2012 |
| Furniturism Limited | Manufacturing | 2025 |
| Furrsati Ltd | Information & communication | 2026 |
| Furry Global UK Limited | Wholesale & retail | 2024 |
| Furryhugs Ltd | Wholesale & retail | 2025 |
| Fursetech Ltd | Administrative & support | 2008 |
| Fursham and Partners Limited | Wholesale & retail | 2026 |
| Further Adventures Limited | Arts & recreation | 1995 |
| Further HEY Management Company Limited | Real estate | 2025 |
| Furthernew Limited | Extraterritorial | 1997 |
| Fury Developments Limited | Real estate | 2004 |
| Fury Parks Ltd | Hospitality | 2020 |
| Fuschia (Manchester) Limited | Wholesale & retail | 2006 |
| Fuschia Consults Ltd | Professional & scientific | 2018 |
| Fuse Consultants Limited | Extraterritorial | 2016 |
| Fuse Science Recruitment Limited | Administrative & support | 2016 |
| Fused Sport Manchester Ltd | Wholesale & retail | 2022 |
| Fushen Investment Group Ltd | Real estate | 2019 |
| Fusion 664 Ltd | Hospitality | 2026 |
| Fusion Bargain Ltd | Wholesale & retail | 2023 |
| Fusion Cafe and Grill Limited | Hospitality | 2025 |
| Fusion Carpark Limited | Hospitality | 2024 |
| Fusion DEL Mundo Limited | Hospitality | 2026 |