| Spice Perk Ltd | Hospitality | 2022 |
| Spice River Cuisine Ltd | Hospitality | 2026 |
| Spice Wave Limited | Hospitality | 2024 |
| Spillard Holdings Limited | Financial services | 1997 |
| Spillard Safety Systems Limited | Manufacturing | 1994 |
| Spin Capital Holdings Limited | Financial services | 2025 |
| Spinbocant Ltd | Administrative & support | 2021 |
| Spinney(Wolverhampton)Residents Association Limited(The) | Households | 1967 |
| Spinwin Limited | Information & communication | 2025 |
| Spire Building Suppliers Ltd | Construction | 2025 |
| Spit and Polish (AWR) Limited | Wholesale & retail | 2022 |
| Spit and Polish Limited | Wholesale & retail | 2023 |
| SPJ Transportation Limited | Transport & logistics | 2025 |
| SPL Builders Limited | Construction | 2020 |
| SPL Payroll Limited | Administrative & support | 2022 |
| Splanet Limited | Information & communication | 2023 |
| Splash Direct Ltd | Arts & recreation | 2019 |
| Splash Tettenhall C.I.C. | Education | 2024 |
| Splash Westcroft Ltd | Education | 2021 |
| SPM2 Management Ltd | Real estate | 2023 |
| Spoilt KID Music Group Ltd | Information & communication | 2020 |
| Sponsored Breaks Ltd | Hospitality | 2021 |
| Sponsored Breaksuk Community Interest Company | Administrative & support | 2024 |
| Sponsoredsay Ltd | Information & communication | 2024 |
| Sport Recruiter Limited | Administrative & support | 2018 |
| Sporting Schools Ltd | Education | 2014 |
| Sportizen Ltd | Wholesale & retail | 2026 |
| Sports Outfit UK Limited | Wholesale & retail | 2025 |
| Sportstrend Ltd | Wholesale & retail | 2025 |
| Sportzone CIC | Other services | 2026 |
| Spoton UK Services Ltd | Professional & scientific | 2021 |
| SPP Hospitality Limited | Hospitality | 2018 |
| SPR Leagues Limited | Arts & recreation | 2018 |
| Spring Road Fish Bar Ltd | Hospitality | 2017 |
| Springbanks Brewery Limited | Manufacturing | 2024 |
| Springer Care Limited | Health & social care | 2025 |
| Springfield Brewery Developments Limited | Construction | 1997 |
| Springhill Dental Practice (Walsall) Ltd | Health & social care | 2015 |
| Springhill Property Company (Walsall) Ltd | Real estate | 2014 |
| Springvale Cricket Club Ltd | Arts & recreation | 2017 |
| Springwell Estates & Lettings Ltd | Real estate | 2008 |
| Sprinkle Party Ltd | Hospitality | 2025 |
| Sprinkler Design Services Limited | Professional & scientific | 2005 |
| Sprinter Van Store Limited | Wholesale & retail | 2023 |
| SPS Accounting Limited | Professional & scientific | 2006 |
| SPS Brassware Limited | Administrative & support | 2001 |
| SPS Payroll UK Ltd | Administrative & support | 2022 |
| SPS Plant and Machinery Limited | Wholesale & retail | 2018 |
| SPS Technology Services Limited | Wholesale & retail | 2012 |
| Spud and MUG Ltd | Hospitality | 2025 |
| Spud Wala Group Ltd | Hospitality | 2025 |
| SPY Ltd | Administrative & support | 2026 |
| Spytkowice Ltd | Transport & logistics | 2025 |
| SQA Motors Ltd | Wholesale & retail | 2026 |
| Sqrrl Solutions Limited | Transport & logistics | 2024 |
| Squad UP Ltd | Wholesale & retail | 2024 |
| Square Line Ltd | Construction | 2021 |
| Square Pegs Round Holes C.I.C. | Health & social care | 2015 |
| Square Root Group Ltd | Construction | 2018 |
| Square Root Homes Ltd | Construction | 2023 |
| Square Root Maintenance and Services Ltd | Construction | 2025 |
| Squires Transport Limited | Transport & logistics | 2001 |
| SR Catering Limited | Wholesale & retail | 2013 |
| SR Consultants & Advisors Ltd | Professional & scientific | 2026 |
| SR Counselling Ltd | Professional & scientific | 2019 |
| SR Helix Logistics Ltd | Transport & logistics | 2026 |
| SR Kooner Properties Ltd | Real estate | 2022 |
| SR Propertyinvest Ltd | Real estate | 2025 |
| SR Real Estate and Investor Ltd | Construction | 2026 |
| Sradr Properties Ltd | Real estate | 2024 |
| Srgp Construction Limited | Construction | 2016 |
| SRH EYE Care Ltd | Health & social care | 2025 |
| SRI Lakshmi Narayanan Limited | Health & social care | 2008 |
| SRI Nabh Kamal Raja Saheb Trust | Arts & recreation | 2001 |
| SRK Transport Ltd | Transport & logistics | 2025 |
| SRK91 Limited | Health & social care | 2023 |
| SRP Interiors Ltd | Construction | 2014 |
| SRR Trading Limited | Real estate | 2025 |
| SRS & Sons Limited | Real estate | 2026 |
| SRS Payroll Ltd | Administrative & support | 2020 |
| SRT Consulting Limited | Professional & scientific | 2021 |
| SS 85 Ltd | Transport & logistics | 2026 |
| SS Acquire Property Ltd | Real estate | 2026 |
| SS Electricals Limited | Construction | 2009 |
| SS Hotels Ltd | Hospitality | 2008 |
| SS Housing Consultant Ltd | Real estate | 2018 |
| SS Multi-Trade Limited | Transport & logistics | 2020 |
| SS Property Midlands Ltd | Real estate | 2025 |
| SS Rathore & Sons Properties Ltd | Real estate | 2022 |
| SS Roofing Services Ltd | Construction | 2023 |
| SS UK Construction Limited | Construction | 2009 |
| SSA Consult Ltd | Professional & scientific | 2025 |
| Ssahota Driving School Ltd | Education | 2025 |
| SSB Ecom Ltd | Wholesale & retail | 2026 |
| SSB Health Ltd | Health & social care | 2024 |
| SSB Logistics Ltd | Transport & logistics | 2024 |
| SSB Plastering Ltd | Construction | 2024 |
| SSB Properties UK Limited | Real estate | 2005 |
| SSB Property Group Ltd | Financial services | 2025 |
| SSB Tyre Services Limited | Wholesale & retail | 2023 |