| 40-48 Brighton Road (Surbiton) Limited | Households | 2025 |
| 40DEEP Entertainment Limited | Information & communication | 1997 |
| 41 Effingham Road Limited | Real estate | 2010 |
| 41 the Avenue Freehold Limited | Real estate | 2020 |
| 41 Victoria Avenue Limited | Real estate | 2026 |
| 42 Anson Road (Freehold) Company Limited | Households | 2021 |
| 42 Maple Road Surbiton Management Limited | Households | 1984 |
| 44 ST. James's Road (Surbiton) Residents Association Limited | Administrative & support | 1982 |
| 47 Effingham Road (Long Ditton) Ltd | Households | 2006 |
| 47 Minster Road Limited | Households | 2015 |
| 4D Architects Limited | Professional & scientific | 2011 |
| 4YOU Hospitality Services Ltd | Hospitality | 2017 |
| 50 the Avenue Limited | Households | 1996 |
| 51 Degrees Production Services Ltd | Professional & scientific | 2021 |
| 52-44 Kelly Avenue RTM Company Limited | Households | 2009 |
| 53 Popes Grove Residents' Management Co. Ltd | Households | 1998 |
| 535588A Burney Avenue Ltd | Administrative & support | 2015 |
| 56 Maple Road Freehold Ltd | Households | 2016 |
| 58 Effingham Road Management Company Limited | Households | 2000 |
| 6 Degree Limited | Information & communication | 2004 |
| 6 Manor Drive (Surbiton) Management Limited | Households | 1999 |
| 6 ST Andrews Road Management (Surbiton) Limited | Households | 2006 |
| 6 ST Andrews Square Limited | Real estate | 2010 |
| 6 ST Mark's Hill (Surbiton) Residents' Association Limited | Households | 1981 |
| 6 Surbiton Hill Park Limited | Real estate | 2015 |
| 63 Guilford Avenue Ltd. | Households | 2006 |
| 69 71 73 Shrewsbury Road and 5-7 Wylie Court RTM Company Ltd | Households | 2020 |
| 69 King Charles Road Freehold Company Limited | Households | 2016 |
| 7 Edge Tiling Ltd | Construction | 2024 |
| 7 Malvern Mews Freehold Limited | Households | 2024 |
| 7 Radipole Road Limited | Real estate | 2001 |
| 71 KCR RTM Company Limited | Households | 2023 |
| 72 Shrewsbury Road RTM Company Ltd | Households | 2020 |
| 76 Claremont Road Freehold Ltd | Administrative & support | 2006 |
| 7BILLIONIDEAS Ltd | Education | 2011 |
| 7SEAS Holidays Limited | Administrative & support | 2018 |
| 7TH Generation (1) Ltd | Wholesale & retail | 2018 |
| 7TH Generation Ltd | Wholesale & retail | 2017 |
| 7TH GENERATION(12) Ltd | Wholesale & retail | 2022 |
| 7TH GENERATION(14) Ltd | Wholesale & retail | 2022 |
| 7TH GENERATION(2) Ltd | Wholesale & retail | 2019 |
| 7TH GENERATION(3) Ltd | Wholesale & retail | 2019 |
| 7TH GENERATION(5) Ltd | Wholesale & retail | 2019 |
| 7TH GENERATION(7) Ltd | Other services | 2019 |
| 7TH GENERATION(8) Ltd | Other services | 2019 |
| 8 & 10 North Road Residents Co. Limited | Households | 1987 |
| 8 Southbank (Surbiton) Residents Association Limited | Households | 1979 |
| 80/20 Consultations Ltd | Professional & scientific | 2011 |
| 84 London Road Residents Company Limited | Households | 1997 |
| 85 Cleaveland Road Freehold Limited | Households | 2009 |
| 89 Ltd | Real estate | 2018 |
| 8BILLIONIDEAS Ltd | Education | 2020 |
| 8SA Limited | Real estate | 2025 |
| 9 and 11 Darlington Road Ltd | Households | 2016 |
| 9 Effingham Road Limited | Households | 1993 |
| 9 Grove Crescent Management Company Limited | Households | 2010 |
| 9 OHG Management Ltd | Real estate | 2024 |
| 9 ST Philips Road RTM Company Ltd | Households | 2018 |
| 9 Victory Road (Wimbledon) Limited | Other services | 1996 |
| 90 Ditton Road Management Company Limited | Households | 1993 |
| 92 Ditton Road (Management) Limited | Real estate | 1978 |
| 98 Elmbourne Road Limited | Real estate | 1995 |
| 99 Keys Limited | Arts & recreation | 2026 |
| A Dishliev Ltd | Construction | 2018 |
| A J Porter & SON Brickwork Limited | Construction | 2012 |
| A&A Nela Construction Ltd | Construction | 2024 |
| A&B PVT Ltd | Wholesale & retail | 2023 |
| A&D Knight Properties LLP | | 2016 |
| A&D Knight Property Rentals Limited | Real estate | 2017 |
| A&M Design and Build Limited | Construction | 2019 |
| A&U Scaffolding Ltd | Construction | 2022 |
| A-Feast Ltd | Wholesale & retail | 2025 |
| A. Zen.Productions Videography Limited | Information & communication | 2019 |
| A.I.Q. Limited | Information & communication | 1984 |
| A.P.E. Planet Ltd | Administrative & support | 2026 |
| A3CHIRO Limited | Health & social care | 2022 |
| A74DESIGN Limited | Information & communication | 2018 |
| AA One Properties Ltd | Wholesale & retail | 2022 |
| AAA Productions UK Limited | Information & communication | 2024 |
| Aaclicks Ltd | Wholesale & retail | 2021 |
| Aaila Catering Ltd | Hospitality | 2020 |
| AAJ Build & Design Ltd | Real estate | 2020 |
| Aaradhana Petroleum Limited | Wholesale & retail | 2014 |
| Aarav Trading Ltd | Administrative & support | 2017 |
| Aarixai Consulting Ltd | Information & communication | 2025 |
| Aashna Counselling & Psychotherapy Limited | Health & social care | 2017 |
| Aatm Services Ltd | Administrative & support | 2016 |
| AB Tutor Limited | Information & communication | 2005 |
| AB2BA Ltd | Information & communication | 2010 |
| Abbey Blinds and Glazing Limited | Wholesale & retail | 2001 |
| Abbey Training.Net Ltd | Education | 2005 |
| Abby Carpenter Limited | Professional & scientific | 2019 |
| ABC Builders London Ltd | Construction | 2014 |
| Abco Home Developments Ltd | Construction | 2023 |
| Abmb Property Management Ltd | Real estate | 2024 |
| About 60 Ltd | Arts & recreation | 2026 |
| Above Bricks and Mortar Ltd | Real estate | 2024 |
| Aboyne House Residents Ltd | Real estate | 2007 |
| Absam Homes Ltd | Real estate | 2025 |
| Abss(Uk) Ltd | Administrative & support | 2015 |