| Riverdown Park (Salisbury) Management Company Limited | Households | 2014 |
| Riverside (Papermill Lock) Management Company Limited | Households | 2013 |
| Riverside Park (Fremington) Management Company Limited | Households | 2015 |
| Riverslea (Gallions Reach) Management Company Limited | Households | 2000 |
| Riverslea (Residents NO.3) Management Company Limited | Households | 1972 |
| RJC Developments Limited | Real estate | 2016 |
| RJS Electrical (New Forest) Limited | Construction | 2014 |
| RJS Property Group Limited | Construction | 2025 |
| RLL Developments Ltd | Construction | 2024 |
| Robin Hill House Management Company Limited | Households | 2006 |
| Roche Recruitment Solutions Limited | Administrative & support | 2009 |
| Rockbourne Travel Ltd | Administrative & support | 2008 |
| Rockwalk 2001 Management Limited | Households | 2001 |
| Rodway Close Management Co Ltd | Real estate | 2005 |
| Roelands Management Company Limited | Households | 1972 |
| Roman Fields (Phase 2) Management Company Limited | Households | 2017 |
| Roman Fields Paston Management Company Limited | Households | 2014 |
| Roman View at Greens Norton Management Company Limited | Households | 2012 |
| Romans Edge Godmanchester Management Company Limited | Households | 2016 |
| Romans Quarter (Gillingham) Residents Management Company Limited | Households | 2023 |
| Romsey Road Management Company Limited | Households | 2016 |
| Roof Refresh Ltd | Administrative & support | 2024 |
| Roofitall Limited | Professional & scientific | 2010 |
| Rookcliff Management Limited | Households | 1970 |
| Rose Brook Residents Management Company Limited | Real estate | 2014 |
| Rose Court Wolverton Management Company Limited | Households | 2015 |
| Rose Lane Management Company Limited | Households | 2010 |
| Rosebery Heights Management Company Limited | Households | 2010 |
| Roselands (Exeter) Management Company Limited | Administrative & support | 1994 |
| Ross Nicholas and Company (Highcliffe) Limited | Real estate | 2012 |
| Ross Nicholas and Company Limited | Real estate | 2000 |
| Rothschild Mews (Chiswick) Residents Company Limited | Households | 1985 |
| Rotjanart Roberts Limited | Extraterritorial | 2021 |
| Rougemont Mews Exeter Management Company Limited | Households | 2005 |
| Route Bidder Ltd | Other services | 2016 |
| Rowan Court (Chesham) Managment Ltd | Real estate | 2006 |
| Rowan Fields Management Company Limited | Households | 2016 |
| Rowe's Meadow Management Company Limited | Households | 2011 |
| Royal Victoria Freehold Limited | Households | 2008 |
| Roylands Management Company Limited | Households | 2019 |
| Rush Hill Mews (Clapham) Management Company Limited | Households | 1997 |
| Rushcliffe Management Company Limited | Households | 2007 |
| Rusnet Limited | Information & communication | 2023 |
| Russet Eaves Management (Newbury) Limited | Households | 2005 |
| Rutt Lane Management Company Limited | Households | 2021 |
| S & S Hydraulic Services (South West) Limited | Wholesale & retail | 2007 |
| S a Beddow Ltd | Construction | 2004 |
| S23 Limited | Arts & recreation | 2015 |
| Saddlers LEA (Newmarket) Management Company Limited | Households | 2020 |
| Safelock Locksmiths Limited | Manufacturing | 2019 |
| Salcombe Heights Management Limited | Households | 2012 |
| Salcombe Road (Hackney) Management Company Limited | Real estate | 2014 |
| Salt Property Management Limited | Households | 2018 |
| Salters Brook (Cudworth) Management Company Limited | Real estate | 2017 |
| Sammy Rays Limited | Hospitality | 2018 |
| Samuel Gardens (Arlesey) Management Company Limited | Households | 2024 |
| Sancerre Grange (Eccleshall) Management Limited | Households | 2016 |
| Sandle Park (Fordingbridge) Management Company Limited | Households | 2025 |
| Sandringham Court (Great Barr) Management Company Limited | Households | 2003 |
| Sandringham Court Residents Association (Putney) Limited | Households | 1987 |
| Sandstone Leisure Ltd | Wholesale & retail | 2018 |
| Sandy Road (Potton) Management Company Limited | Households | 2017 |
| Sanz Hub Ltd | Wholesale & retail | 2024 |
| Sarazen Gardens (Brampton) Management Company Limited | Households | 2018 |
| Sarnia Holdings Limited | Financial services | 2025 |
| Sarnia Technology Limited | Information & communication | 2025 |
| Saunders J Limited | Wholesale & retail | 2017 |
| Savile House Management Company (Mayfair) Limited | Households | 1999 |
| Savona Court Residents Limited | Households | 2006 |
| Savoy Grove Management Company Limited | Households | 2010 |
| Saxon Field Blofield Management Company Limited | Administrative & support | 2016 |
| Saxon Fields (Ashbourne) Management Company Limited | Real estate | 2015 |
| Saxon Fields (Cullompton) Management Company Limited | Real estate | 2016 |
| Saxon Grove (GT Denham) Management Limited | Households | 2013 |
| Saxon Mills (Hassocks) Management Company Limited | Real estate | 2018 |
| Saxon Oaks Management Company Limited | Real estate | 2012 |
| Saxon Square (Luton) Energy Management Company Limited | Households | 2017 |
| Saxon Square (Luton) Management Company Limited | Households | 2017 |
| Saxonwood Bardney Management Company Limited | Households | 2009 |
| Saxony Court (Tamworth) Management Company Limited | Households | 2004 |
| Scholars Grange (Swanmore) Management Company Limited | Households | 2015 |
| Scholars Walk (Portsmouth) Management Company Limited | Households | 2010 |
| Scholars Walk Management Company (Hereford) Limited | Real estate | 2016 |
| Scotgate Ridge (Honley) Management Company Limited | Households | 2021 |
| Scotts Corner (Torquay) Limited | Households | 2012 |
| Screen Risk Limited | Health & social care | 2018 |
| SDP Farriery Limited | Professional & scientific | 2023 |
| Sea Place Management Limited | Households | 2009 |
| Sea Thrift Coffee Ltd | Hospitality | 2025 |
| Sea View Amenity Areas Management Company Limited | Households | 2012 |
| Sea View Apartments Management Company Limited | Households | 2012 |
| Seals + Direct Limited | Manufacturing | 2003 |
| Seaspray Property Management Company Limited | Households | 2007 |
| Seaward Lodge Management Company Ltd | Administrative & support | 2007 |
| Seaward Park Management Company Limited | Households | 2016 |
| Seaway Estate Maintenance Limited | Households | 1974 |
| Sebral Ltd | Transport & logistics | 2018 |
| Second Woodlea Place Management Company (Whiteley) Limited | Households | 1996 |
| Secta Consulting Limited | Professional & scientific | 2019 |
| Seldon Mews Management Company Limited | Households | 2005 |