| Vivid Tanning and Nails Ltd | Other services | 2023 |
| Vj&Co Limited | Construction | 2022 |
| Vtam Ltd | Administrative & support | 2024 |
| VZ Property Holdings Limited | Real estate | 2026 |
| VZ Security Limited | Wholesale & retail | 2019 |
| W & a Public House Ltd | Hospitality | 2026 |
| W Rhino Limited | Real estate | 2016 |
| Watt Wise Solutions Ltd | Information & communication | 2026 |
| WE REP Talent Ltd | Professional & scientific | 2023 |
| Wealthnile Properties Ltd | Real estate | 2022 |
| Web Analytics Ninja Limited | Information & communication | 2024 |
| Well NOW Global Ltd | Health & social care | 2025 |
| Wensday Ltd | Information & communication | 2017 |
| West Nails Ltd | Other services | 2016 |
| West Wickham Barbers Limited | Other services | 2026 |
| West Wickham Landscaping Ltd | Professional & scientific | 2023 |
| West Wickham Music Services Ltd | Education | 2023 |
| West Wickham Music Tuition Limited | Education | 2023 |
| Wexim Limited | Construction | 1977 |
| Wheelers Rame Limited | Professional & scientific | 2026 |
| Whispers Audio Limited | Information & communication | 2023 |
| Whistles Laser Ltd | Other services | 2025 |
| Whitden Consulting Limited | Professional & scientific | 2021 |
| Whitechapel Bell Foundry Limited | Arts & recreation | 1968 |
| Whiteleys DRY Cleaners Ltd | Other services | 2024 |
| Wickham Bakery Limited | Hospitality | 2025 |
| Wickham Brasserie Ltd | Hospitality | 2024 |
| Wickham Cafe Limited | Hospitality | 2018 |
| Wickham Clearing & Cleaning Ltd | Administrative & support | 2025 |
| Wickham Marketing Solutions Limited | Professional & scientific | 2009 |
| Wickham Place Property (NO.1) Limited | Real estate | 2016 |
| Wickham Theatre Trust | Arts & recreation | 1997 |
| Willby Films Limited | Information & communication | 2003 |
| William Wilson Properties Ltd | Real estate | 2019 |
| Wilmar Boutique Ltd | Wholesale & retail | 2024 |
| Wincom (Europe) Limited | Professional & scientific | 2011 |
| Winstead Limited | Real estate | 1980 |
| WJB Design Ltd | Professional & scientific | 2023 |
| WKS Limited | Real estate | 1990 |
| WM Electrical Contractors Ltd | Construction | 2016 |
| Wordluxe Ltd | Arts & recreation | 2020 |
| Work Hard, BE Nice Limited | Professional & scientific | 2014 |
| Worldserve Limited | Administrative & support | 2000 |
| Written OFF Theatre Ltd | Arts & recreation | 2021 |
| WW Clothing Limited | Wholesale & retail | 2023 |
| WW Fashion Limited | Wholesale & retail | 2018 |
| WWP (ST Margarets) Ltd | Construction | 2024 |
| WYS London Limited | Wholesale & retail | 2020 |
| Xanadu Property Ltd | Professional & scientific | 2019 |
| Xellis Marketing Ltd | Information & communication | 2014 |
| Xoxo Studios Ltd | Other services | 2026 |
| Xtreme Party Gaming Limited | Arts & recreation | 2015 |
| YAN LI Limited | Hospitality | 2025 |
| Yarn Media Ltd | Information & communication | 2023 |
| Yaseen Management Ltd | Real estate | 2023 |
| Ydako Ltd | Information & communication | 2016 |
| Yeldeh Consultants Ltd | Financial services | 2025 |
| Yemiola Limited | Professional & scientific | 2011 |
| Yemiola Properties Ltd | Real estate | 2021 |
| Your Property Consultants Ltd | Real estate | 2024 |
| YTB London Limited | Real estate | 2024 |
| ZAP Kids Club Ltd | Health & social care | 2022 |
| ZELO7 Consulting Ltd | Information & communication | 2015 |
| ZEN Grill Ltd | Hospitality | 2026 |
| Zhayes Kitchens Ltd | Hospitality | 2025 |
| Zone One Design Limited | Professional & scientific | 2025 |
| Zoom Marketing & Events Ltd | Professional & scientific | 2015 |