Ethical Plumbing & Heating
across the UK
Every company here has been scored on our 5-pillar Social Ethics Score — verified against Companies House, HMRC records, the Charity Commission, and third-party accreditations. No sponsored rankings. No paid placements.
Residential and commercial plumbing firm based in South London. Living Wage accredited employer paying £14.50/hr to all 19 engineers. All staff receive 5 days paid volunteer leave annually. Partners with Wateraid UK for annual fundraising. Zero zero-hours contracts.
7.8
8.0
7.4
8.8
7.2
Plumbing and heating business that actively employs adults with learning disabilities through a supported work programme developed with Kent County Council. Disability Confident Level 3 employer — one of only a handful of small trades businesses nationally at that level.
7.6
8.0
7.2
8.8
7.0
Edinburgh-based plumbing contractor with full Unite union recognition across all 22 engineers. Effective corporation tax rate of 21.8% — above UK norm. Sponsors a plumbing apprenticeship at Edinburgh College targeting young people from deprived postcodes. Gas Safe and SNIPEF registered.
7.6
7.8
8.2
8.0
7.0
Family-run business with 28 engineers. Disability Confident employer with 4 employees with registered disabilities. Published full gender pay gap data voluntarily. Sponsors local football club and annual schools plumbing outreach programme.
7.6
7.8
7.4
8.2
7.0
Plumbing and heating specialist serving rural Derbyshire and the Peak District. Partners with Age UK Derbyshire to provide subsidised plumbing services for isolated elderly residents. Real Living Wage accredited. All vans run on HVO (hydrotreated vegetable oil) biodiesel.
7.2
7.8
6.8
7.8
6.8
Finding Ethical Plumbing & Heating Companies in the UK
TopTenTrades is the UK's only plumbing & heating directory where rankings are determined entirely by independently verified social ethics criteria — not by who pays for advertising. Every company listed here has been scored across five pillars: governance and mission, community impact, tax responsibility, inclusive employment, and cause promotion.
Why it matters
By choosing verified ethical businesses, consumers and organisations ensure their spend supports employers who treat their people well, pay their fair share of tax, and invest meaningfully back into the communities they serve.