| RPC Infinity Enterprise Limited | Real estate | 2018 |
| RPC Infinity Limited | Information & communication | 2015 |
| Rpfb Group Limited | Construction | 2019 |
| RPH Holdings Limited | Real estate | 2024 |
| RPM Racing Engines Ltd | Other services | 2012 |
| RS Baby Retail Limited | Wholesale & retail | 2024 |
| RS Property Solutions (Midlands) Ltd | Construction | 2016 |
| RS Recruitment Partners Ltd | Administrative & support | 2025 |
| RS Speedy Servives Ltd | Construction | 2026 |
| Rsa&Recovery Ltd | Wholesale & retail | 2024 |
| RSB Stores Ltd | Wholesale & retail | 2024 |
| RSG Mechanical Services Ltd | Financial services | 2019 |
| RSK Property Midlands Ltd | Real estate | 2023 |
| RT Business Advisory Services Ltd | Professional & scientific | 2025 |
| RT Detailing Ltd | Administrative & support | 2026 |
| RTL Bidco Limited | Financial services | 2014 |
| RTL Cleanco Limited | Financial services | 2014 |
| RTL Midco Limited | Financial services | 2014 |
| RTL Topco Limited | Financial services | 2014 |
| Rumbelows Limited | Wholesale & retail | 2024 |
| Rumenco Holdings Limited | Extraterritorial | 2018 |
| Running Form Ltd | Wholesale & retail | 2026 |
| Rushcliff Group Holdings Ltd | Financial services | 2018 |
| Rushcliff Limited | Information & communication | 2001 |
| Rushcliff Properties Limited | Real estate | 2018 |
| Rushton Hickman Limited | Real estate | 2001 |
| Russell Building Products Limited | Manufacturing | 2011 |
| Russell Narrowboats Limited | Manufacturing | 2022 |
| Russell Street Trading Ltd | Wholesale & retail | 2026 |
| Russells Shenstone Limited | Wholesale & retail | 2005 |
| Rustic Inn's Ltd | Hospitality | 2017 |
| Rustic Made Decor Ltd | Manufacturing | 2023 |
| Rusu Delivery Ltd | Transport & logistics | 2020 |
| RWA Motors Limited | Wholesale & retail | 2018 |
| Ryan’S Recovery Ltd | Transport & logistics | 2026 |
| Rykneld Holiday Hub Ltd | Education | 2025 |
| Ryknield Investments Limited | Construction | 2022 |
| RZO Prop Ltd | Real estate | 2025 |
| S & E H Group Ltd | Households | 2020 |
| S & H Holdings Midlands Ltd | Real estate | 2024 |
| S & J Music Limited | Wholesale & retail | 2003 |
| S & J Storage Ltd | Transport & logistics | 2021 |
| S a a R Technical Services Limited | Professional & scientific | 1994 |
| S Amesbury Holdings Ltd | Financial services | 2025 |
| S B Bricklaying Ltd | Construction | 2023 |
| S B M Developments Limited | Real estate | 2013 |
| S E I Roofing (Midlands) Ltd | Construction | 2020 |
| S E Sports Tours Ltd | Administrative & support | 2025 |
| S Florin Ltd | Other services | 2018 |
| S Gormley Site Services Ltd | Professional & scientific | 2025 |
| S J a Automotive Limited | Wholesale & retail | 2024 |
| S L Cunningham Consultancy Ltd | Professional & scientific | 2013 |
| S Markham Productions Ltd | Administrative & support | 2019 |
| S Woolston Consultancy Ltd | Professional & scientific | 2023 |
| S&D Property Developments Limited | Real estate | 2024 |
| S&M Security Ltd | Administrative & support | 2022 |
| S. R. Hull Electrical Limited | Construction | 2025 |
| S.A. (Locums) Ltd | Wholesale & retail | 2006 |
| S.Bywater Transport Limited | Transport & logistics | 2024 |
| S5 Group Limited | Health & social care | 2024 |
| SA Properties & Letting Limited | Real estate | 2024 |
| Sabaidee Thai Massage Limited | Health & social care | 2017 |
| Sade Consulting Ltd | Information & communication | 2010 |
| Sadew GEM and Jewelry UK Ltd | Manufacturing | 2025 |
| Safe Data Governance Limited | Information & communication | 2018 |
| Safechemxro Limited | Transport & logistics | 2007 |
| Safepay Management Ltd | Administrative & support | 2014 |
| Sahara Accountancy Management Ltd | Professional & scientific | 2024 |
| Saidaksh Medical Services Limited | Health & social care | 2013 |
| SAK Zoom Ltd | Wholesale & retail | 2022 |
| Salam Catering Ltd | Hospitality | 2018 |
| Salamanda Building Services Limited | Construction | 2011 |
| Salamanda Holdings Limited | Other services | 2017 |
| Saleem & Sons PVT. Ltd | Wholesale & retail | 2025 |
| Saleenaramzan Ltd | Wholesale & retail | 2023 |
| Salisbury Group Holdings Limited | Financial services | 2023 |
| Salisbury Group Property Limited | Professional & scientific | 2023 |
| Saltation Limited | Professional & scientific | 2003 |
| Sami K Ltd | Construction | 2018 |
| Samnatan Healthcare Ltd | Health & social care | 2024 |
| Samrom Ltd | Administrative & support | 2025 |
| Samurai Cleaning Ltd | Administrative & support | 2021 |
| Sanaa Connections Ltd | Other services | 2018 |
| Sanaktrader Ltd | Real estate | 2026 |
| Sandars Motors Ltd | Manufacturing | 2025 |
| Sandor Courier Ltd | Transport & logistics | 2023 |
| Sandown Effective Sales Solutions Limited | Professional & scientific | 2008 |
| Sano Trans Ltd | Transport & logistics | 2022 |
| Sansome Point Management Limited | Real estate | 2007 |
| Sanyasa Limited | Health & social care | 2025 |
| Sapphire Executive Travel Ltd | Transport & logistics | 2026 |
| Sarah's Home Help Ltd | Other services | 2024 |
| Saris Limited | Real estate | 2003 |
| Sarkartreasurehouse Ltd | Professional & scientific | 2025 |
| Sass Display and Styling Limited | Arts & recreation | 2018 |
| Saunders Plumbing and Heating Limited | Construction | 2021 |
| Savi Accountancy Ltd | Professional & scientific | 2019 |
| Savva and Sons Limited | Professional & scientific | 2024 |
| Sawdust 'N' Sass Ltd | Construction | 2026 |
| Saxon Machinery Services Ltd | Manufacturing | 2025 |