| Addison Lee | DMR | Tier 3 Standard | London | Greater London | 2021-08-02 |
| AirRadio Heathrow Airport | MPT-1327 | Standard | London | Greater London | 2021-08-01 |
| AirRadio Manchester | MPT-1327 | Standard | Manchester | Greater Manchester | 2020-04-13 |
| AirRadio Stansted | MPT-1327 | Standard | Stansted | Essex | 2020-04-13 |
| Birmingham City Net | MPT-1327 | Standard | Birmingham | West Midlands | 2020-04-13 |
| Britannia International Hotel | DMR | Conventional Networked | London | Greater London | 2018-11-20 |
| Bullring Shopping Complex | MPT-1327 | Standard | Birmingham | West Midlands | 2020-04-13 |
| Canary Warf | MPT-1327 | Standard | London | Greater London | 2007-11-24 |
| Center Parcs Holiday Village | DMR | Hytera XPT | Edwinstowe | Nottinghamshire | 2021-08-03 |
| City of Oxford Motor Services | MPT-1327 | Standard | Oxford | Oxfordshire | 2014-06-14 |
| Corinthia Hotel London | DMR | Motorola Capacity Plus Single Site (TRBO) | London | Greater London | 2019-01-29 |
| Doncaster TownNet | MPT-1327 | Standard | Doncaster | South Yorkshire | 2014-03-26 |
| Dover Docks Car Parks | MPT-1327 | Standard | Dover | Kent | 2007-11-04 |
| Ears Plc | MPT-1327 | Standard | Lambeth | Greater London | 2014-06-14 |
| First Bus | MPT-1327 | Standard | Weymouth | Dorset | 2020-04-13 |
| Gould Electronics network | MPT-1327 | Standard | Countywide | Multi-County [2] | 2020-04-13 |
| Harley Street Ambulance London | NXDN | NEXEDGE 4800 | London | Greater London | 2019-01-28 |
| Heathrow Airport | TETRA | Standard | London | Greater London | 2021-08-01 |
| Hilton London Metropole | DMR | Motorola Capacity Plus Single Site (TRBO) | London | Greater London | 2019-01-29 |
| Joint Radio Company | MPT-1327 | Standard | West London | Greater London | 2021-08-01 |
| Lancashire County Council | MPT-1327 | Standard | | Lancashire | 2014-05-28 |
| LegoLand Windsor | MPT-1327 | Standard | Windsor | Berkshire | 2008-03-06 |
| Manchester Airport (Staff Net) | MPT-1327 | Standard | Manchester | Greater Manchester | 2024-03-24 |
| Manchester BusNet | MPT-1327 | Standard | Manchester | Greater Manchester | 2007-11-04 |
| Merry Hill Shopping Centre | MPT-1327 | Standard | Brierley Hill | West Midlands | 2007-11-04 |
| Metrolink Trams | MPT-1327 | Standard | Manchester | Greater Manchester | 2007-11-04 |
| Multi User Network | MPT-1327 | Standard | Portsmouth & Southampton | Hampshire | 2020-04-13 |
| NEC Short Term Hire Net | MPT-1327 | Standard | NEC Centre, Solihull | West Midlands | 2020-04-13 |
| Newcastle Airport | MPT-1327 | Standard | Newcastle | Tyne & Wear | 2007-11-04 |
| Nottingham City Transport | MPT-1327 | Standard | Nottingham | Nottinghamshire | 2011-01-10 |
| Nottingham NET Trams | MPT-1327 | Standard | Nottingham | Nottinghamshire | 2020-04-13 |
| Patient Transport Service London | NXDN | Icom IDAS Type D | London | Greater London | 2019-01-28 |
| RadCom - Belmont (164mhz) | MPT-1327 | Standard | Biscathorpe | Lincolnshire | 2020-04-13 |
| RadCom - Belmont (86mhz) | MPT-1327 | Standard | Louth | Lincolnshire | 2015-04-07 |
| RadComm UHF - Nottingham | MPT-1327 | Standard | Nottingham | Nottinghamshire | 2021-08-03 |
| Radphone Limited (Multi User) | MPT-1327 | Standard | Hull | Humberside | 2020-01-17 |
| Radphone Limited (XPT) | DMR | Hytera XPT | Riplingham | Humberside | 2020-01-17 |
| Roadphone - Stamford | MPT-1327 | Standard | Stamford | Lincolnshire | 2020-04-13 |
| Rochdale Borough Council | MPT-1327 | Standard | Rochdale | Greater Manchester | 2007-11-04 |
| Special Ambulance Transfer Service (SATS) | DMR | Motorola Capacity Plus Single Site (TRBO) | London | Greater London | 2019-01-28 |
| Stagecoach Supertram Sheffield | MPT-1327 | Standard | Sheffield | South Yorkshire | 2010-04-05 |
| Starnett | NXDN | NEXEDGE 4800 | Various | Multi-County [2] | 2020-10-25 |
| The O2 Arena London | DMR | Motorola Connect Plus (TRBO) | London | Greater London | 2018-11-19 |
| The Z Hotel Soho | NXDN | Icom IDAS Type D | London | Greater London | 2019-01-29 |
| Transport for London Buses | DMR | Tier 3 Standard | London | Greater London | 2023-09-09 |
| Travel West Midlands Buses | MPT-1327 | Standard | Birmingham | West Midlands | 2022-11-13 |
| United States Air Force in England | Project 25 | Phase I | Various | Multi-County [2] | 2018-07-20 |
| Warrington Borough Transport | MPT-1327 | Standard | Warrington | Cheshire | 2020-04-13 |
| Wembley Arena | DMR | Motorola Capacity Plus Single Site (TRBO) | London | Greater London | 2018-11-19 |
| WM Morrison HQ | MPT-1327 | Standard | Bradford | West Yorkshire | 2008-09-29 |
| Yorkshire PTE BusNet | MPT-1327 | Standard | Various | Multi-County [2] | 2010-10-17 |
| ZYCOMM Shared Radio System | MPT-1327 | Standard | Matlock | Derbyshire | 2014-11-12 |
