| Floor Seven LLP | | 2013 |
| Floor Seven Properties Limited | Real estate | 2021 |
| Floor Space Property Management Limited | Real estate | 2014 |
| Floored by Design Limited | Construction | 2025 |
| Floorgleam Cleaning Services Limited | Administrative & support | 2025 |
| Flooring Made Easy Limited | Construction | 2020 |
| Flooring NOW Ltd | Construction | 2016 |
| Flooring NW Ltd | Administrative & support | 2024 |
| Flooring Solutions Limited | Construction | 2005 |
| Flooring World Source Ltd | Wholesale & retail | 2019 |
| Flooringbee Limited | Extraterritorial | 2019 |
| Floorline Services Ltd | Construction | 2025 |
| Floorstyle MCR Ltd | Manufacturing | 2026 |
| Floortech Industries UK Limited | Construction | 2013 |
| Floorvibe Ltd | Construction | 2026 |
| Floorware Limited | Wholesale & retail | 2020 |
| Floorwell Limited | Wholesale & retail | 2012 |
| Floppa Ltd | Information & communication | 2025 |
| Floraa Limited | Arts & recreation | 2024 |
| Floraden UK Limited | Wholesale & retail | 2020 |
| Floral Fresh Fragrances Limited | Wholesale & retail | 2026 |
| Floralcrystalmoss Ltd | Wholesale & retail | 2026 |
| Floraunity Ltd | Wholesale & retail | 2025 |
| Floravision Ltd | Wholesale & retail | 2021 |
| Florence Holding Ltd | Financial services | 2025 |
| Florence Homes Ltd | Households | 2020 |
| Florence Knight Limited | Hospitality | 2012 |
| Florence Nightingale Ltd | Health & social care | 2022 |
| Florence Residential Home Ltd | Health & social care | 2025 |
| Florence Residential Properties Ltd | Real estate | 2026 |
| Floribund Services Limited | Education | 2025 |
| Floribunda Ltd | Wholesale & retail | 2025 |
| Florich Supports Limited | Administrative & support | 2022 |
| Florida FC NO 1 Takeaway Ltd | Hospitality | 2017 |
| Florida Wines Ltd | Wholesale & retail | 2019 |
| Floriental Ltd | Arts & recreation | 2023 |
| Florin&Co Ltd | Construction | 2020 |
| Florsheim Consultants Limited | Manufacturing | 1992 |
| Floréa Belle Ltd | Wholesale & retail | 2025 |
| Floukah Ltd | Health & social care | 2025 |
| Flourandfold Ltd | Hospitality | 2024 |
| Flouria Ltd | Wholesale & retail | 2026 |
| Flourish & Praise Ltd | Wholesale & retail | 2022 |
| Flourish 02 Ltd | Health & social care | 2026 |
| Flourish Circle CIC | Hospitality | 2020 |
| Flourish Collective Ltd | Education | 2024 |
| Flourish Consultancy Solutions Ltd | Professional & scientific | 2024 |
| Flourish Dyslexia Ltd | Education | 2025 |
| Flourish Financial Limited | Professional & scientific | 2024 |
| Flourish Forever Ltd | Administrative & support | 2013 |
| Flourish Mining & Mineral Industries Limited | Manufacturing | 2023 |
| Flourish Nourish Ltd | Manufacturing | 2023 |
| Flourish With US Ltd | Education | 2019 |
| Flourishing Vines CIC | Education | 2025 |
| Flourishlife Care Ltd | Health & social care | 2021 |
| Flow Accounting Ltd | Professional & scientific | 2025 |
| Flow and Process Solutions Ltd | Manufacturing | 2020 |
| Flow Clinical Psychology Ltd | Health & social care | 2024 |
| Flow Control Holdings (NW) Limited | Financial services | 2026 |
| Flow Control Solutions Limited | Wholesale & retail | 2004 |
| Flow Momentum Limited | Professional & scientific | 2024 |
| Flow Removals Limited | Transport & logistics | 2025 |
| Flow Well Ltd | Professional & scientific | 2024 |
| FLOW2 Limited | Water & waste | 2013 |
| FLOW2.2 Limited | Water & waste | 2020 |
| Flowbuildr Ltd | Information & communication | 2026 |
| Flowconnect Ltd | Professional & scientific | 2023 |
| Flower Air Limited | Extraterritorial | 2025 |
| Flower and Flame Ltd | Extraterritorial | 2025 |
| Flower Angels Fulwell Ltd | Extraterritorial | 2025 |
| Flower Bloom Ltd | Extraterritorial | 2023 |
| Flower Haven Ltd | Wholesale & retail | 2016 |
| Flower House (MCR) Limited | Wholesale & retail | 2024 |
| Flower Mila Limited | Wholesale & retail | 2025 |
| Flower Place Ltd | Wholesale & retail | 2021 |
| Flower Power Group Ltd | Health & social care | 2022 |
| Flower Style (Manchester) Limited | Wholesale & retail | 1997 |
| Flower Zrays Limited | Wholesale & retail | 2024 |
| Flowering Plants Limited | Wholesale & retail | 1973 |
| Flowers by Kerry MAC Ltd | Wholesale & retail | 2024 |
| Flowers by Mirelle C. Ltd | Wholesale & retail | 2007 |
| Flowers Fairies Ltd | Wholesale & retail | 2025 |
| Flowfitness Limited | Arts & recreation | 2016 |
| Flowingenergy Ltd | Administrative & support | 2024 |
| Flowline Electrical, Pump Repair and Maintenance Ltd | Manufacturing | 2017 |
| Flowlio Group Limited | Professional & scientific | 2022 |
| Flowlio Ltd | Information & communication | 2023 |
| Flowlock Ltd | Wholesale & retail | 2019 |
| Flowmatic Solutions Ltd | Professional & scientific | 2020 |
| Flownders Etraders Ltd | Construction | 2022 |
| Flowsays Ltd | Wholesale & retail | 2025 |
| Flowserve GB Limited | Manufacturing | 1992 |
| Flowserve International Limited | Manufacturing | 1998 |
| Flowstack Automations Limited | Information & communication | 2026 |
| Flowstate Automation Ltd | Professional & scientific | 2025 |
| Flowtek Solutions Ltd | Construction | 2026 |
| Flowup Ltd. | Extraterritorial | 2024 |
| Flowvia Limited | Wholesale & retail | 2025 |
| Floyd Schofield Haulage Ltd. | Transport & logistics | 2014 |
| Floyds Pads Limited | Real estate | 2026 |