| Regal Engines Limited | Wholesale & retail | 2025 |
| Rehroz Ltd | Professional & scientific | 2026 |
| Rental Services Group Limited | Administrative & support | 2007 |
| Resurrection Care Solution Ltd | Public administration | 2024 |
| Ritelift Limited | Financial services | 2020 |
| RJO Properties Ltd | Real estate | 2021 |
| RNS Consulting Ltd | Wholesale & retail | 2017 |
| Robert Czech Ltd | Transport & logistics | 2018 |
| Rojohna Estates Ltd | Real estate | 2020 |
| Romford Interior Decorators Ltd | Construction | 2013 |
| Ross Real Estates Limited | Real estate | 2017 |
| RSG Rentals Limited | Administrative & support | 2018 |
| RSG Sales Limited | Administrative & support | 2018 |
| RTP Ltd | Transport & logistics | 2023 |
| S N C Properties Limited | Real estate | 2015 |
| S.U.M.T Limited | Wholesale & retail | 2016 |
| Safe Removals Ltd | Transport & logistics | 2017 |
| Saige Limited | Health & social care | 2016 |
| Samet Halil Limited | Transport & logistics | 2015 |
| Samex Services Limited | Construction | 2003 |
| San-Kin Trans Ltd | Transport & logistics | 2019 |
| See-London.Co.Uk Ltd | Other services | 2007 |
| Sergiutruc Ltd | Transport & logistics | 2017 |
| SH Plumbing Maintenance Limited | Construction | 2014 |
| Sigma Orbital Limited | Construction | 2023 |
| Simas Ltd | Construction | 2014 |
| Singhslogistic Ltd | Transport & logistics | 2021 |
| Sion Expedition Ltd | Transport & logistics | 2020 |
| SIR. Drinksalot's Ltd | Wholesale & retail | 2020 |
| Skopelo Ltd | Hospitality | 2020 |
| Smao Trans Ltd | Transport & logistics | 2021 |
| Smart Interiors Ltd. | Construction | 2009 |
| Smotrych Ltd | Construction | 2023 |
| SO Construction (Essex) Ltd | Construction | 2024 |
| SOA Consultants Ltd | Public administration | 2015 |
| Sofia Louise Jewellery Limited | Manufacturing | 2018 |
| Solutions 4UK Ltd | Construction | 2015 |
| Somerton & Denby Developments Limited | Construction | 2020 |
| Somglari UK Ltd | Manufacturing | 2022 |
| South London Shopfronts Limited | Manufacturing | 2023 |
| Specialkhair Ltd | Other services | 2015 |
| Speldhurst Road RTM Company Ltd | Households | 2021 |
| Spitalfields Fruit & VEG Ltd | Wholesale & retail | 2020 |
| Sponsor a Child Initiative (Saci) Ltd | Education | 2017 |
| Spooner Meals (London) LP | | 2020 |
| Staff Flex Ltd | Administrative & support | 2023 |
| Stan House Ltd | Real estate | 2021 |
| Stefan Savin Ltd | Construction | 2015 |
| Successhealth Care Limited | Health & social care | 2019 |
| Sunmola Consultancy Limited | Information & communication | 2011 |
| Swift Cash Holdings Limited | Financial services | 2007 |
| Swift Cash Ltd | Financial services | 2000 |
| Sydob Services Ltd | Wholesale & retail | 2020 |
| Synthetic Group Limited | Administrative & support | 2011 |
| T Vaughan Limited | Construction | 2010 |
| T Vaughan Plant Limited | Administrative & support | 2015 |
| T&Rbakery Ltd | Wholesale & retail | 2022 |
| Tansley Plastering Limited | Construction | 2015 |
| Tarabostes Ltd | Transport & logistics | 2010 |
| Tatay Inc Ltd. | Professional & scientific | 2012 |
| TEE Top Limited | Other services | 2019 |
| Teenas Food Store Limited | Wholesale & retail | 2006 |
| Terratone Records Ltd | Information & communication | 2020 |
| THE Acclaim Handling Group Ltd | Real estate | 2007 |
| THE Cabin Restaurant Limited | Hospitality | 2024 |
| THE Cube World Ltd | Manufacturing | 2018 |
| Thsy Management Limited | Real estate | 2022 |
| Thurrock MOT & Service Centre Ltd | Wholesale & retail | 2026 |
| Tixerbon Ltd | Real estate | 2020 |
| TK Riggings Ltd | Manufacturing | 2015 |
| TLC (2009) Limited | Health & social care | 2009 |
| TMA Cosultancy Limited | Professional & scientific | 2012 |
| Toks and Services Ltd | Wholesale & retail | 2021 |
| TOM Lifting Ltd | Construction | 2019 |
| Tony Quill Ltd | Extraterritorial | 2021 |
| Top Cleaners Ltd | Extraterritorial | 2011 |
| Top Removals Ltd | Transport & logistics | 2009 |
| Top Tier Support Ltd | Health & social care | 2024 |
| Total Security Installations Limited | Construction | 1993 |
| Tovilia Bloom Care Limited | Health & social care | 2025 |
| TR Property Holdings Ltd | Real estate | 2022 |
| Trans T Transport (UK) Limited | Transport & logistics | 1995 |
| Transmissionfour Consultants Limited | Information & communication | 2017 |
| Travel Conzult Limited | Administrative & support | 2017 |
| Tripple V Care Ltd | Administrative & support | 2018 |
| Tropifruit UK Limited | Wholesale & retail | 2011 |
| TTV Engineering Ltd | Manufacturing | 2018 |
| TV Properties Limited | Real estate | 2024 |
| Ujam UK Limited | Construction | 2025 |
| Ultimate Global Financials Ltd | Professional & scientific | 2013 |
| Under Open Heaven Limited | Health & social care | 2013 |
| Uniframe Limited | Manufacturing | 2018 |
| Unique Care Practice Limited | Health & social care | 2013 |
| Unique Chauffeurs Ltd | Transport & logistics | 2012 |
| Utopia Property Solutions Ltd | Real estate | 2020 |
| VAK Trans Limited | Transport & logistics | 2017 |
| Van Arkel Limited | Real estate | 2022 |
| Vd&Vd Ltd | Construction | 2019 |
| Venture Vessel Ltd | Wholesale & retail | 2022 |
| Vicay Services Limited | Administrative & support | 2015 |