| 1 | | Primary | Grayshott |  GB | | Water Is Life | N/A | William Abson | Private Water Supply & Geothermal Energy |
| 2 | | Primary PO Box 76494 | Bethnal Green | GB | | Water Sweets™ | N/A | Elinor Lundberg | Community Manager at Jelly Drops |
| 3 | | Primary East Malling Research Station | East Malling | GB | | Clean Water Asset Management | N/A | Kelly Grayland | Human Resources Officer at Veriflo Limited |
| 4 | | Primary | London | GB | | A New Water Smart Caribbean | N/A | Jackie G Michaels | Founder | CEO | Empowerment & Wellbeing Advocate| Sustainability | Presenter | Travel |Writer |
| 5 | | Primary | Pwllheli | GB | | Healthier Water Naturally | N/A | Daniel Wilde | Director Wellness Water / Total Boat Sales |
| 6 | | Primary | Exeter | GB | | Smart Water Management Systems | N/A | Samuel Dickinson | Research & development specialist focussed on Internet-of-Things and smart solutions for water and wastewater poroblems. |
| 7 | | Primary 35 The Vineyard | Welwyn Garden City | GB | | Shaping Water | N/A | N/A | N/A |
| 8 | | Primary The Courtyard, Wits End Stables Littlesdale Lane | Hartford | GB | | Promotional & Wholesale Bottled Water | N/A | Mike Batey | Founder at Solutions 24-7 Limited |
| 9 | | Primary HHIC - CAMDEN HOUSE | Kenilworth | GB | | Developing Hot Water | N/A | N/A | N/A |
| 10 | | Primary Harpings Business Park, Harpings Road | Hull | GB | | Experts In Water Mist Solutions | N/A | M Lujeng Pratiktama | Lead Mechanical Engineer & Project Coordinator |
| 11 | | Primary Victoria Street | London | GB | | Achieving A Water-Secure World | N/A | N/A | N/A |
| 12 | | Primary Unit 4 Home Farm | Ropley | GB | | Your Water Is Our Business | N/A | Daren Cheesman | ITS Manager, Hydrotech Services Limited |
| 13 | | Primary Unit 32 Alvis Road | Sandicroft | GB | | Water Jet Cutting Specialists | N/A | N/A | N/A |
| 14 | | Primary Rauter House, 1 Sybron Way, Millbrook Industrial Estate | Crowborough | GB | | Water Filtration Specialists | N/A | JIM REDFORD | Managing Director at H2O Direct |
| 15 | | Primary FOX COVERT FARM GORING HEATH | READING | GB | | Outdoor Water Engineers | N/A | Olivia Hatt | Director & Secretary at W.J.Hatt Ltd |
| 16 | | Primary Units 7 - 9 Youngs Industrial Estate | Leighton Buzzard | GB | | Keeping Water Under Control | N/A | Helicia Forest-Ussach | Co owner and contractor at On The Level |
| 17 | | Primary 8A Rishworth Street | Wakefield | GB | | "The Water Audit Experts" | N/A | Graham Mann | Director & Founder at Switchwatersupplier.com- Senior Partner H2o Building Services "The Water Audit Experts" |
| 18 | | Primary Unit 5, Abbotts Business Park | Kings Langley | GB | | Experts In Water Management | N/A | Richard Fielden | Managing Director at WJ UK |
| 19 | | Primary Blakenhall Park, Bar Lane The Byre | Burton on Trent | GB | | Water Quality and Sediment Specialists | N/A | Richard Haine | Director at frog environmental |
| 20 | | Primary Unit 4, The Quadrangle Premier Way, Abbey Park Industrial Estate | Romsey | GB | | Smart Water Network Solutions | N/A | Jo Cooper | Product and Market Specialist at Intellitect Water Limited |
