| Company | Address | Constituency |
| Affinity Systems Limited | Salvus House, Aykley Heads, Durham , DH1 5TS | Small Retail Provider |
| Andrews and Arnold Ltd | Enterprise Court, Downmill Rd, Bracknell, Berkshire RG12 1QS | Small Retail Provider |
| All Points Fibre Ltd | The Carriage House, Station Works, Station Rd, Claverdon, Warwickshire CV35 8PE | New Infrastructure Provider |
| Aztek Comms Ltd | The Chapel Offices, Chapel Rd, Camborne, Cornwall TR14 8QX | Business Focused Provider |
| Bink Broadband Limited | 44a Stepney Street, Llanelli, Carmarthenshire, SA15 3TR | New Infrastructure Provider |
| Bogons Ltd | Lower Ground Floor, One George Yard, London EC3V 9DF | New Infrastructure Provider |
| bOnline Ltd | Centrum House, 36 Station Rd, Egham, Surrey TW20 9LF | Small Retail Provider |
| Broadband for the Rural North Ltd | Station Yard, Melling, Lancashire LA6 2QY | New Infrastructure Provider |
| BT | 1 Braham St, London E1 8EE | Large Retail Provider |
| Buchan Consultancy Services Ltd | 6 Kirktonhill Holdings, Marykirk, Aberdeenshire AB30 1UT | New Infrastructure Provider |
| Cerberus Networks Ltd | 9 Walmgate Rd, Greenford, Middlesex, UB6 7LH | Business Focused Provider |
| Cityfibre Ltd | 15 Bedford St, London, WC2E 9HE | New Infrastructure Provider |
| Community Fibre Ltd | 32 Page St, London SW1P 4EN | New Infrastructure Provider |
| Compucare Computer Servicing Limited | 4 St Bartholomew’s Road, Ogwell, Devon, TQ12 6GP | Small Retail Provider |
| Dial 9 Communications Limited | 124 City Road, London, EC1V 2NX | Business Focussed Provider |
| Digital Infrastructure Ltd | Sankey Valley Industrial Estate, Anglezarke Rd, Newton Le Willows WA12 8DN | New Infrastructure Provider |
| Fibre Assets Ltd | 13 Southwick Mews, London W2 1JG | New Infrastructure Provider |
| Full Fibre Limited | Suite 2, Pynes Hill Court, Pynes Hill, Exeter, Devon, EX2 5AZ | New Infrastructure Provider |
| Gamma Telecom Holdings Ltd | 5 Fleet Place, London EC4M 7RD | Business Focussed Provider |
| Giganet Ltd | 6th Floor, 33 Holborn, London EC1N 2HT | New Infrastructure Provider |
| Go Fibre Holdings Limited | Exchange Tower, 19 Canning Street, Edinburgh EH3 8EG | New Infrastructure Provider |
| Go Internet Limited | 23-25 Fortis House, Cothey Way, Ryde, Isle of Wight, PO33 1QT | Small Retail Provider |
| Grain Connect Limited | Clifford Way, Cooper Way, Carlisle CA3 0SG | New Infrastructure Provider |
| Herrick Networks Ltd | Unit 4, Herrick Way, Cheltenham, Gloucestershire GL51 6TQ | New Infrastructure Provider |
| Hyperoptic Limited | King’s House, 174 Hammersmith Road, London W6 7JP | New Infrastructure Provider |
| ICUK Computing Services Ltd | 34 West St, Sutton, Surrey SM1 1SH | Business Focused Provider |
| IX Wireless Ltd | Ribble House, Ribble Business Park, Blackburn, Lancashire BB1 5RB | New Infrastructure Provider |
| KCOM Group Ltd | 37 Carr Lane, Hull, East Yorkshire HU1 3RE | Medium Retail Provider |
| Layered Technologies Limited | 3 Orchard Court, St Augustines Yard, Bristol, BS1 5DP | Small Retail Provider |
| LF Holdco2 Limited | Unit 17, Connect 27 Business Park, Twin Oaks Drive, Polegate BN26 6GP | New Infrastructure Provider |
| Loop Scorpio Ltd | 6 Worcester Rd, Ledbury, Herefordshire HR8 1PL | New Infrastructure Provider |
| Lothian Broadband Networks Limited | Suite 2, Ground Floor, Orchard Brae House, 30 Queensferry Road, Edinburgh, EH4 2HS | New Infrastructure Provider |
| Merula Ltd | 5 Avro Court, Ermine Business Park, Huntingdon, Cambridgeshire PE29 6XS | Business Focused Provider |
| Monkey Tree Hosting Ltd | Kitteon House, Kettering Parkway, Kettering Venture Park, Kettering, Northamptonshire, NN15 6XW | Small Retail Provider |
| Network 79 Ltd | Office 6B, KPC House, Canterbury Rd, Ashford, Kent TN24 0BP | Small Retail Provider |
| No One Internet Limited | Archer House, Britland Estate, Northbourne Road, Eastbourne, East Sussex, BN22 8PW | Small Retail Provider |
| Plum Communications Limited | 18 Salmon Fields Business Park, Royton, Oldham, Greater Manchester, OL2 6HT | Business Focused Provider |
| Quickline Communications Limited | The Mill House, Albion Mills, Willerby, Humberside HU10 6DN | New Infrastructure Provider |
| Simwood eSMS Ltd | Simwood House, Cube M4 Business Park, Old Gloucester Rd, Bristol BS16 1FX | Business Focused Provider |
| Sky UK Ltd | Grant Way, Isleworth, Middlesex TW7 5QD | Large Retail Provider |
| Spectrum Fibre Ltd | Hodge House, 114-116 St Mary St, Cardiff CF10 1DY | New Infrastructure Provider |
| Stour Marine Ltd | Good Easter House, Good Easter, Chelmsford, Essex CM1 4RS | Small Retail Provider |
| TalkTalk Telecom Group Ltd | Soapworks, Ordsall Lane, Salford M5 3TT | Large Retail Provider |
| Telecoms World Ltd | Unit 2/3 Kingfisher House, Orpington, Kent BR5 3QG | Business Focussed Provider |
| Trooli Ltd | 18 Kings Hill Avenue, Kings Hill, West Malling, Kent ME19 4AE | New Infrastructure Provider |
| Truespeed Communications Limited | Pinesgate West, Lower Bristol Road, Bath, BA2 3DP | New Infrastructure Provider | Utility Warehouse Limited | 508 Edgware Road, The Hyde, London, NW9 5AB | Medium Retail Provider |
| URSolutions Limited | 27 Old Gloucester St, London WC1N 3AX | Business Focused Provider |
| Vitrifi Ltd | Level 6, 33 Holborn, London EC1N 2HT | New Infrastructure Provider |
| VMED O2 UK Ltd | Griffin House, 161 Hammersmith Rd, London W6 8BS | Large Retail Provider |
| Vodafone Ltd | Vodafone House, The Connection, Berkshire, Newbury RG14 2FN | Medium Retail Provider |
| VX Fiber Limited | Ground Floor, 45 Pall Mall, London, SW1Y 5JG | New Infrastructure Provider |
| V4 Consumer Limited | Cash’s Business Centre, 1st Floor, 228 Widdrington Road, Coventry, West Midlands, CV1 4PB | Small Retail Provider |
| YB Communications Limited | Phoenix House, The Old Church, Elland Road, Churwell, Morley, Leeds, West Yorkshire, LS27 7TB | Business Focussed Provider |
| YouFibre Ltd | Unit H, The Courtyard, Tewkesbury Business Park, Tewkesbury, Gloucestershire GL20 8GD | New Infrastructure Provider |
| Zen Internet Ltd | Sandbrook House, Sandbrook Park, Sandbrook Way, Rochdale, Lancashire OL1 1RY | Medium Retail Provider |
| Zycomm Electronics Ltd | 51 Nottingham Rd, Ripley, Derbyshire DE5 3AS | New Infrastructure Provider |
| Zzoomm plc | c/o Ince GD Corporate Services Ltd, Aldgate Tower, 2 Leman Street, London E1 8QN | New Infrastructure Provider |
