| Aqua G Hairdressing Limited | Swindon | 2014 |
| Aqua Green Ideas Limited | London | 2013 |
| Aqua Hair & Beauty Limited | Enfield | 2023 |
| Aqua Hair SE4 Ltd | West Horndon | 2025 |
| Aqua Headspa Ltd | Guildford | 2024 |
| Aqua Jems Ltd. | Bromsgrove | 2014 |
| Aqua Kinetics Therapies Limited | Bolton | 2022 |
| Aqua Launderette Ltd | Uxbridge | 2024 |
| Aqua Laundry Services Ltd | Southampton | 2023 |
| Aqua Leisure Ltd. | Nairn | 2001 |
| Aqua Leisure Tech Ltd | Rugeley | 2026 |
| Aqua Linen Commercial Laundry Limited | Walsall | 2006 |
| Aqua Luxury Nail & Beauty Ltd | Christchurch | 2026 |
| Aqua Massage Therapy Ltd | Crewe | 2021 |
| Aqua Modular Ltd | Poole | 2023 |
| Aqua Operations Limited | Cheltenham | 2020 |
| Aqua Ozone Ltd | Buckingham | 2016 |
| Aqua Paws Retreat Limited | Hebden Bridge | 2025 |
| Aqua Pharma Technical Ltd | Inverness | 2011 |
| Aqua Platinum Servicing Ltd | Fareham | 2020 |
| Aqua Red Ltd | Telford | 2018 |
| Aqua Safe Fire Sprinkler System Ltd | Colwyn Bay | 2021 |
| Aqua Sativa Ltd | Sale | 2011 |
| Aqua Serena Fishing Ltd | Shetland | 2021 |
| Aqua Shore Marine Limited | Brentwood | 2018 |
| Aqua Skin Limited | London | 2023 |
| Aqua Trustees Number 1 Limited | Hertford | 2016 |
| Aqua Trustees Number 10 Limited | Belfast | 2019 |
| Aqua Trustees Number 2 Limited | Hertford | 2016 |
| Aqua Trustees Number 21 Limited | Belfast | 2020 |
| Aqua Trustees Number 22 Limited | Belfast | 2020 |
| Aqua Trustees Number 25 Limited | Belfast | 2020 |
| Aqua Trustees Number 26 Limited | Belfast | 2020 |
| Aqua Trustees Number 3 Limited | Belfast | 2019 |
| Aqua Trustees Number 4 Limited | Belfast | 2019 |
| Aqua Trustees Number 5 Limited | Belfast | 2019 |
| Aqua Trustees Number 6 Limited | Belfast | 2019 |
| Aqua Trustees Number 7 Limited | Belfast | 2019 |
| Aqua Trustees Number 8 Limited | Belfast | 2019 |
| Aqua Trustees Number 9 Limited | Belfast | 2019 |
| Aqua Valeting Limited | London | 2018 |
| Aqua Warehouse Limited | Essex | 2003 |
| Aqua World (NW) Ltd | Liverpool | 2017 |
| Aqua-Tight Solutions Ltd | Bournemouth | 2019 |
| Aqua-Tox Aesthetics Ltd | Hertford | 2022 |
| AQUA19 Ltd | Bournemouth | 2024 |
| Aquaarios Medical Ltd. | Slough | 2023 |
| Aquababes (NI) Ltd | Belfast | 2013 |
| Aquabellies Ltd | Bathgate | 2024 |
| Aquabloom Wellness Limited | Wickford | 2025 |
| Aquachi Ltd | London | 2024 |
| Aquaclean Cleaning Ltd | Nelson | 2019 |
| Aquacourt Limited | London | 2006 |
| Aquadeam Ltd | London | 2025 |
| Aquaden Limited | Wrexham | 2016 |
| Aquadry UK Limited | Loughborough | 2018 |
| Aquaflex Canine Clinic Limited | Cockermouth | 2025 |
| Aquaforce (Derbyshire) Limited | Belper | 2011 |
| Aquagem Beauty Ltd | Reigate | 2010 |
| Aquagenie Water Softeners Limited | Basildon | 2026 |
| Aquagirl Ltd | Aberdeen | 2026 |
| Aquaholic Creatives and Marketing UK Ltd | London | 2025 |
| Aquahounds Limited | Shoreham-By-Sea | 2024 |
| Aqualib Ventures Limited | Canvey Island | 2009 |
| Aquality Leisure Limited | Forfar | 2010 |
| Aqualux Car Wash Limited | Aberdeen | 2025 |
| Aquamail Limited | Poole | 1992 |
| Aquanex UK Ltd | Barking | 2025 |
| Aquaplus Window Cleaning Ltd | Leamington Spa | 2012 |
| Aquaporin Ltd | Wrexham | 2025 |
| Aquarela Developments Limited | Bristol | 2007 |
| Aquarian Hair Design Limited | Pickering | 2002 |
| Aquarium Architecture Ltd | London | 2012 |
| Aquarium Experts Limited | Tingley | 2014 |
| Aquarius Cleaning Solutions Limited | Liverpool | 2014 |
| Aquarius DRY Cleaners Ltd | London | 2025 |
| Aquarius Hair Design Limited | | 1993 |
| Aquarius Hair Ltd | Stratford Upon Avon | 2018 |
| Aquarius Hire Holdings Limited | Ripon | 2022 |
| Aquarius Music Limited | Milton Keynes | 1970 |
| Aquarius Nails Limited | Enfield | 2018 |
| Aquarius Piercings Ltd | Saffron Walden | 2023 |
| Aquarius Rail Holdings Limited | Ripon | 2019 |
| Aquascend Ltd | Windsor | 2021 |
| Aquascience Limited | Romsey | 2005 |
| Aquaseal Facilities Limited | Newcastle Upon Tyne | 2023 |
| Aquasees Limited | London | 2010 |
| Aquaserve Maintenance Limited | Kettering | 2017 |
| Aquaserve Management Limited | Kettering | 2017 |
| Aquaservice Water Engineering UK Limited | Chinnor | 2025 |
| Aquasis Tanning Ltd | Ivybridge | 2024 |
| Aquatec Water Treatment Limited | Falkirk | 2001 |
| Aquatec Window Cleaning Services Limited | Macclesfield | 2009 |
| Aquatech Drainage Consultants Ltd | Dorchester | 2003 |
| Aquatech Surfacing Ltd | Ringwood | 2025 |
| Aquatecnic Estates Limited | Carlisle | 2026 |
| Aquaterra(Structures) Ltd | Glasgow | 2021 |
| Aquatic Design Centre Limited | Finchley | 1991 |
| Aquatic Linen Service Limited | Crawley | 2013 |
| Aquatic Pond Life Services Limited | Staines | 2022 |