| 1 | | Primary North Barn Thoby Lane | Mountnessing |  GB | | Made-To-Order Timber Windows and Doors | N/A | Chris Wood | formerly of Mumford & Wood |
| 2 | | Primary 6 Hutcliffe Wood Road Beauchief | Sheffield | GB | | Covering Your Windows Since 2007 | N/A | maxine hayter | Company Director |
| 3 | | Primary Sarum Complex, Salisbury Road Unit 9 | Uxbridge | GB | | Look Through Our Windows | N/A | Peter Adams | Capital Windows |
| 4 | | Primary | London | GB | | Construction Company, Facades, Aluminium Windows/Doors | N/A | Alex Lin | Rainscreen cladding, Aluminium windows, doors, Curtain walling... |
| 5 | | Primary Ryeford Industrial Estate | Ryeford | GB | | Simply Windows and Doors | N/A | ellis jackson | Managing Director |
| 6 | | Primary 3 Crockford Lane | Basingstoke | GB | | Windows, Doors and Conservatories | N/A | Mark Ballard | Trade Sales Manager |
| 7 | | Primary 26 Store Street | London | GB | | Aluminium Windows and Doors | N/A | Levent Husamettin Hansu | Director at HNS Aluminium |
| 8 | | Primary 1 West View | Maidstone | GB | | Timber Doors and Windows | N/A | N/A | N/A |
| 9 | | Primary Windsor Business Park Boucher Place | Belfast | GB | | Trade Windows and Doors | N/A | Sarah Drysdale | Marketing Planning | Events | Web | Social Media | Corporate Social Responsibility |
| 10 | | Primary 53 Great Portland Street | Fitzrovia | GB | | Windows Infrastructure Recruitment Consultancy | N/A | sajid samiullah | owner and lead it recruiter |
| 11 | | Primary Hobbs New Barn | Climping | GB | | Experts In Steel Windows | N/A | Tim Randolph | Business Development at Fabco Sanctuary |
| 12 | | Primary 238A Kingston Road | Staines-upon-Thames | GB | | Beautiful Windows & Doors | N/A | Arne Suggett | Director at VA Windows |
| 13 | | Primary Unit C Three Pillars Business Park | Sutton | GB | | Windows Consumables For The Trade | N/A | Mark Read | Managing Partner at Three Pillars Business Park |
| 14 | | Primary Castle Estate, Coronation Road, Cressex Business Park | High Wycombe | GB | | Aluminium Doors & Windows | N/A | callie tomlins | director customer experience |
| 15 | | Primary Woodberry Grove | London | GB | | Transforming Walls, Windows & Spaces | N/A | Matthew Newlove | Display Graphic Solutions for the Education, Healthcare and Commercial Sectors |
| 16 | | Primary Bilanco Blinds Ltd Unit 3-4, Powdrake Road | GRANGEMOUTH | GB | | Covering Windows Since 1972 | N/A | Audrey Biscotti | Company Director at Bilanco Ltd |
| 17 | | Primary The Folly Main Street | Grendon Underwood | GB | | Doors Windows Conservatories | N/A | N/A | N/A |
| 18 | | Primary 3 The Drive Jubilee House, Suite 227 | Great Warley | GB | | Individual Windows For Bespoke Developments | N/A | Darius Tamosiunas | Manufacture of High Performance Alu-Clad & Bespoke Timber windows for Architects, Builders & Trading Partners. |
| 19 | | Primary 863 Romford Road | London | GB | | German Engineering, For Your Windows | N/A | Sadiqur Rahman | Manufacturers and Installers of Kömmerling Products |
| 20 | | Primary | Bradford | GB | | Quality Upvc Windows and Doors | N/A | Amardeep Singh | -- |
