| 198 New North Road Management Company Limited | Households | 2021 |
| 198 NKR Limited | Real estate | 2026 |
| 198 Old Brompton Road RTM Company Limited | Administrative & support | 2024 |
| 198 Properties Limited | Real estate | 2023 |
| 198 Revelstoke Road Management Limited | Households | 2013 |
| 198 Selhurst Road Freeholders Limited | Professional & scientific | 2010 |
| 198 Venner Road Management Limited | Households | 2020 |
| 198 Vicarage Road RTM Company Limited | Administrative & support | 2009 |
| 198 Victoria Road Ltd | Construction | 2019 |
| 198 Worple Road (Freehold) Limited | Households | 2022 |
| 1980 Advisory Limited | Professional & scientific | 2024 |
| 1980 Something Limited | Professional & scientific | 2023 |
| 1981 Fragrance Ltd | Wholesale & retail | 2024 |
| 1981 Hospitality Group Ltd | Manufacturing | 2026 |
| 1982 Advisory Limited | Professional & scientific | 2024 |
| 1982 Limited | Wholesale & retail | 2014 |
| 1982 London Limited | Manufacturing | 2016 |
| 1983 Advisory Limited | Professional & scientific | 2023 |
| 1983 Estates Limited | Real estate | 2020 |
| 1983 Holdings Ltd | Administrative & support | 2020 |
| 1983 Management Ltd | Professional & scientific | 2013 |
| 1983 Properties Ltd | Real estate | 2025 |
| 1984 Personal Management Limited | Arts & recreation | 1984 |
| 1985 Coffee Club Ltd | Hospitality | 2025 |
| 1986 Grooming Atelier Ltd | Wholesale & retail | 2023 |
| 1986 Residential & Construction Ltd | Real estate | 2024 |
| 1986.STUDIO Ltd | Information & communication | 2017 |
| 1987 Committee Ltd | Education | 2025 |
| 1988 Holdings Ltd | Households | 2024 |
| 1988 Investments Ltd | Real estate | 2022 |
| 1988 Ltd | Real estate | 2020 |
| 1988 Management Limited | Real estate | 2024 |
| 1989 2089 Limited | Financial services | 2025 |
| 1989 Consultancy Services Limited | Administrative & support | 2021 |
| 198A Gillingham Road Ltd | Real estate | 2025 |
| 199 Barry Road, East Dulwich Limited | Professional & scientific | 2002 |
| 199 Biotechnologies Ltd | Professional & scientific | 2023 |
| 199 Camberwell Grove (Management) Limited | Households | 2020 |
| 199 Clinic Limited | Health & social care | 2023 |
| 199 Devonshire Road (Freehold) Limited | Real estate | 2022 |
| 199 Fahrenheit Ltd | Hospitality | 2024 |
| 199 Goldhurst Terrace Freehold Limited | Households | 2019 |
| 199 Kingston Road Management Company Limited | Households | 2017 |
| 199 Latchco Limited | Households | 2018 |
| 199 Longevity Ltd | Professional & scientific | 2025 |
| 199 Melrose Avenue (Management) Limited | Households | 2003 |
| 199 Norwood Road Limited | Households | 2013 |
| 199 SBR Management Company Limited | Real estate | 2004 |
| 199 Sussex Gardens RTM Company Limited | Households | 2020 |
| 199 Victoria Rise Management Limited | Households | 1987 |
| 199 Wandsworth Bridge Road RTM Company Limited | Households | 2021 |
| 199-203 Grange Road Freehold Ltd | Households | 2023 |
| 199/201 ST. Annes Hill Limited | Households | 2011 |
| 1990 Group Limited | Administrative & support | 2026 |
| 1991 Limited | Wholesale & retail | 2002 |
| 1991 London Limited | Transport & logistics | 2019 |
| 1991 Productions UK Limited | Information & communication | 2025 |
| 1991 Shipping Ltd | Other services | 2019 |
| 1991 Ventures Carried Interest Partnership LLP | | 2023 |
| 1991 Ventures General Partner Limited | Administrative & support | 2023 |
| 1991 Ventures GP LLP | | 2023 |
| 1991 Ventures Limited Partnership | | 2023 |
| 1991 Ventures LLP | | 2023 |
| 1991CONSULTING Limited | Professional & scientific | 2025 |
| 1991NP Holdings Limited | Other services | 2023 |
| 1992 Ltd | Financial services | 2021 |
| 1993 Eco Holding Ltd | Financial services | 2023 |
| 1993 Ltd | Information & communication | 2021 |
| 1994 Inc Ltd | Wholesale & retail | 2010 |
| 1995 House Limited | Real estate | 2026 |
| 1996 Group Ltd | Hospitality | 2025 |
| 1996 Limited | Arts & recreation | 2025 |
| 1996 Party Wall (London) Ltd | Professional & scientific | 2025 |
| 1996PARTYWALL Ltd | Professional & scientific | 2015 |
| 1997 ELG Ltd | Hospitality | 2022 |
| 1997 Ltd | Administrative & support | 2012 |
| 1997 Marketing Ltd | Other services | 2026 |
| 1998 Connect Limited | Administrative & support | 2022 |
| 1999 Films Limited | Administrative & support | 2023 |
| 1999 Nail Bar Ltd | Other services | 2025 |
| 1999 Productions LLP | | 2018 |
| 1999 Recordings & Entertainment Ltd | Information & communication | 2025 |
| 19:29 Vault Ltd | Wholesale & retail | 2024 |
| 19A George ST Ltd | Real estate | 2026 |
| 19B Clifton Gardens Limited | Households | 1981 |
| 19BHS LDN UK PTE Ltd | Real estate | 2023 |
| 19FANTASY House Limited | Hospitality | 2025 |
| 19FHS Limited | Real estate | 2025 |
| 19FIFTY7 Ltd | Information & communication | 2016 |
| 19FIFTYSEVEN Restaurant Ltd | Hospitality | 2021 |
| 19JD Ltd | Wholesale & retail | 2020 |
| 19MIL Ltd. | Construction | 2019 |
| 19NRC Ltd | Wholesale & retail | 2021 |
| 19RG Limited | Real estate | 2023 |
| 19RPH Management Ltd | Households | 2025 |
| 19TECHLAB Ltd | Information & communication | 2024 |
| 19TH Century Art Limited | Professional & scientific | 1962 |
| 19TH Cottage and Homes Ltd | Hospitality | 2024 |
| 19TH Street Productions Ltd | Arts & recreation | 2015 |
| 19UJMILITARIA Ltd | Wholesale & retail | 2023 |