| 98 Brondesbury Freehold and Management Ltd | Real estate | 2015 |
| 98 Canterbury Road Limited | Households | 2016 |
| 98 Ccws Ltd | Professional & scientific | 2011 |
| 98 Chamberlayne Road Limited | Administrative & support | 2008 |
| 98 Cheltenham Road (Management) Limited | Households | 1988 |
| 98 Christchurch Road Freehold Limited | Real estate | 2014 |
| 98 Clitterhouse Ltd | Real estate | 2026 |
| 98 Comics Ltd | Wholesale & retail | 2025 |
| 98 Constantine Road RTM Company Limited | Households | 2021 |
| 98 Copleston Road Management Limited | Households | 2004 |
| 98 Crouch Hill Freehold Ltd | Professional & scientific | 2009 |
| 98 Devonport Road Freehold Limited | Real estate | 2023 |
| 98 Edith Grove RTM Company Limited | Households | 2017 |
| 98 Elmore Street (Freehold) Limited | Real estate | 2016 |
| 98 Estates Ltd | Real estate | 2024 |
| 98 Fellows Road London NW3 (Management) Limited | Real estate | 1996 |
| 98 Gloucester Avenue Freehold Company Ltd | Extraterritorial | 2016 |
| 98 Goldhurst Terrace Management Company Limited | Households | 1993 |
| 98 Halford Road Limited | Households | 2017 |
| 98 Hamilton Road Limited | Real estate | 2014 |
| 98 Holland Road (W14) Company Limited | Households | 1984 |
| 98 Huddleston Road Freehold Company Limited | Households | 2013 |
| 98 Ingelow Road Limited | Hospitality | 2015 |
| 98 Land & House Company Limited | Wholesale & retail | 2017 |
| 98 Landor Road R.T.M. Limited | Households | 2012 |
| 98 Melrose AVE Willesden Green Ltd | Households | 2015 |
| 98 Midland Road 2020 Ltd | Households | 2020 |
| 98 Palmerston Road Limited | Real estate | 2007 |
| 98 Portland Place Limited | Professional & scientific | 2008 |
| 98 Portland Road LLP | | 2024 |
| 98 Salusbury Road Limited | Real estate | 2001 |
| 98 Shelgate Freehold Limited | Households | 2023 |
| 98 Southwold Road Limited | Other services | 2005 |
| 98 Sunningfields Road RTM Company Limited | Households | 2017 |
| 98 Teesdale ST Freehold Limited | Households | 2016 |
| 98 Thurlow Park Management Limited | Households | 2024 |
| 98 Warham Road Freehold Ltd | Real estate | 2024 |
| 98 West END Lane RTM Company Limited | Extraterritorial | 2026 |
| 98 Westbourne Terrace Limited | Households | 2007 |
| 98 Wilberforce Road Limited | Households | 2010 |
| 98-100 Canfield Gardens Limited | Hospitality | 1999 |
| 98-100 Ladbroke Grove Freehold Limited | Households | 2026 |
| 98/100 Malyons Road Management Company Limited | Extraterritorial | 2012 |
| 9822 Limited | Education | 2016 |
| 987 Cadogan Ltd | Construction | 2021 |
| 9898 Consulting Ltd | Hospitality | 2014 |
| 98REVOLUTION Ltd | Wholesale & retail | 2025 |
| 99 Active Verwaltungsgesellschaft Limited | Extraterritorial | 2019 |
| 99 Albert Street Limited | Real estate | 2024 |
| 99 Bathurst Gardens Freehold Limited | Real estate | 2017 |
| 99 Belgrave Road Limited | Households | 2009 |
| 99 Bishopsgate Management Limited | Real estate | 1995 |
| 99 BOW Lane Freeholds Ltd | Real estate | 2024 |
| 99 Brecknock Road Limited | Real estate | 2012 |
| 99 Bricks Ltd | Real estate | 2018 |
| 99 Bromley Road Freehold Ltd | Households | 2020 |
| 99 Brondesbury Road Residents Association Limited | Households | 1991 |
| 99 Brookdale Road Limited | Real estate | 2015 |
| 99 Build & Design Limited | Construction | 2017 |
| 99 by JMS Ltd | Wholesale & retail | 2022 |
| 99 Cafe Ltd | Hospitality | 2025 |
| 99 Cambridge Street Limited | Households | 2013 |
| 99 Castle Blvd Limited | Real estate | 2025 |
| 99 Comeragh Road Management Company Limited | Households | 2005 |
| 99 Consulting Ltd | Information & communication | 2015 |
| 99 Crawford Street RTM Company Limited | Households | 2025 |
| 99 Curiosities International Ltd | Wholesale & retail | 2020 |
| 99 Developers Ltd | Information & communication | 2026 |
| 99 Devonshire Road Limited | Households | 2017 |
| 99 Dream Limited | Financial services | 2026 |
| 99 Financial Technologies Ltd | Information & communication | 2025 |
| 99 Florence Road Freehold Limited | Households | 2017 |
| 99 Fordwych Road Management Company Ltd | Households | 2003 |
| 99 Fresh Foods Ltd | Wholesale & retail | 2026 |
| 99 Frithville Gardens Limited | Households | 1988 |
| 99 Graham Road RTM Company Ltd | Households | 2017 |
| 99 Greenwood Road Freehold Limited | Households | 2011 |
| 99 Hanley Road Freehold Limited | Households | 2020 |
| 99 Harbut Road Limited | Households | 2017 |
| 99 HL Limited | Construction | 2021 |
| 99 Hornsey Lane Limited | Households | 1998 |
| 99 Investments Limited | Real estate | 2020 |
| 99 Kara RTM Company Ltd | Real estate | 2011 |
| 99 Kennington Park Road Limited | Households | 2020 |
| 99 Larkhall Rise Management Co. Ltd. | Households | 1993 |
| 99 Lower Addiscombe Road RTM Company Limited | Households | 2009 |
| 99 Ltd | Information & communication | 2014 |
| 99 Marlow Road Freehold Limited | Households | 2018 |
| 99 Mayfield Limited | Real estate | 2026 |
| 99 Mysore Road Limited | Households | 2006 |
| 99 Oakley Street Limited | Administrative & support | 2009 |
| 99 Options Ltd | Administrative & support | 2022 |
| 99 Percent Handmade Ltd | Wholesale & retail | 2022 |
| 99 Power Ltd | Professional & scientific | 2020 |
| 99 Power Properties Ltd | Real estate | 2025 |
| 99 Revival Ltd | Real estate | 2025 |
| 99 Riversdale Road Ltd | Households | 2019 |
| 99 SB London Limited | Hospitality | 2024 |
| 99 Sherbrooke Road Freehold Limited | Extraterritorial | 2014 |
| 99 Shirland Road Property Management Limited | Professional & scientific | 2007 |