Richmond Heating & Plumbing Ltd — plumbing, heating and air-conditioning installation company registered at Companies House (No. 06441494), active since
Bluewaters Plumbing & Heating Limited — plumbing, heating and air-conditioning installation company registered at Companies House (No. 06589535), active since
Indoor Air Quality Limited — plumbing, heating and air-conditioning installation company registered at Companies House (No. 02704516), active since 1992.