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plumbing

Greenflow Plumbing Ltd

Manchester & North West · EOT · Est. 2009
B-Corp CertifiedLiving Wage AccreditedEmployee OwnedCare Leaver Apprenticeships3% Profit to CharityFair Tax Mark

Employee-owned plumbing and heating company with 68 engineers across the North West. B-Corp certified since 2021. Actively sponsors two community apprenticeship schemes for care leavers and donates 3% of annual profit to local food banks.

Founded
2009
Employees
68 staff
Turnover
£1m–£5m
Companies House
09441832
Last Verified
Mar 2026
Social Ethics Score
92/ 100
diamondOutstanding · Top 5% in UK
assignmentGovernance
9.1
ecoCommunity
8.8
paymentsTax
9.2
groupsEmployment
9.5
campaignCause
8.4
Score updates from live register data
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Why Greenflow Plumbing Ltd scores 92/100

PillarEvidenceSourceScore
assignmentGovernance
Legally embedded employee ownership structure. Mission statement filed with Companies House. No offshore subsidiaries detected.Companies House · B-Corp9.1
ecoCommunity
£38,400 donated in FY2024 (3.1% of profit). Verified via Charity Commission.Charity Commission8.8
paymentsTax
Effective UK corporation tax rate: 22.4% (vs 19% statutory norm). HMRC records show no adverse findings.HMRC · Fair Tax Mark9.2
groupsEmployment
Minimum wage paid: £14.2/hr. Zero-hours: 0%. Gender pay gap: 4.2%. 0 tribunal losses in 5 years.LWF · DWP · Tribunals9.5
campaignCause
Assessed from public advocacy record, employee volunteering policy (5 days/yr), and cause promotion activities.Third Party Auditors8.4

Accreditations & penalties applied

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B-Corp CertifiedB Lab UK register
+12%
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Real Living Wage AccreditedLiving Wage Foundation
+8%
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Employee Ownership TrustCompanies House
+10%
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Fair Tax MarkFair Tax Foundation
+7%
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Consistent YoY ImprovementHistorical SES records
+5%

Greenflow Plumbing Ltd

Founded in 2009 by James Holt and two colleagues, Greenflow began as a three-person plumbing outfit serving domestic customers in Salford. Over 15 years it has grown into one of the North West's most respected mid-size plumbing and heating contractors. In 2020, the owners transferred majority ownership to an Employee Ownership Trust. Greenflow holds Gas Safe registration (553401), CIPHE membership, and is approved by all major boiler manufacturers.

How Greenflow Plumbing Ltd gives back

volunteer_activismManchester Food Bank Partnership

£38,400 donated in FY2024 — 3.1% of annual profit. Also delivers emergency plumbing repairs to food bank premises free of charge.

check_circleVerified: Charity Commission filing CC-2024-0441
schoolCare Leaver Apprenticeships

Partners with Greater Manchester Children's Services to offer structured 3-year plumbing apprenticeships for young people leaving care. 14 trainees since 2021.

check_circleVerified: GMCA social value reporting
schoolSchools Outreach

Annual programme visiting 6 secondary schools in Salford and Trafford to introduce plumbing as a career path.

check_circleReported: Greenflow Annual Social Value Report 2024
elderlyEmergency Elderly Assistance

48-hour emergency plumbing response for over-80s in Greater Manchester at subsidised rates. 214 call-outs in FY24.

check_circleReported: Age UK Manchester partnership data

How Greenflow Plumbing Ltd treats its people

£14.2/hr
Min. wage paid
Real LW: £12.60
0%
Zero-hours contracts
UK avg: 18%
4.2%
Gender pay gap
UK avg: 14.3%
5
Volunteer days/yr
Per employee
0
Tribunal losses
Past 5 years

Tax transparency

Greenflow Plumbing Ltd's effective rate
22.4%
UK corporation tax (2024)
UK statutory rate
25%
Main rate · SME relief typically reduces to ~19%

Independently verified credentials

workspace_premium
B-Corp Certification
B Lab UK
Impact score: 147.2 · Recertified September 2024
Source: B Lab UK · Trust weight: 0.95
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Real Living Wage Accreditation
Living Wage Foundation
Paying £14.20/hr minimum to all direct and contracted staff
Source: Living Wage Foundation · Trust weight: 0.95
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payments
Fair Tax Mark
Fair Tax Foundation
Independently certified responsible taxpayer
Source: Fair Tax Foundation · Trust weight: 0.95
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accessible
Disability Confident Level 2
DWP
Government scheme recognising commitment to employing disabled people
Source: DWP · Trust weight: 1
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local_fire_department
Gas Safe Registered
Gas Safe Register
Registration: 553401 · All engineers individually Gas Safe registered
Source: Gas Safe Register · Trust weight: 1
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Ethics performance over time

72
2019
74
2020
79
2021
84
2022
88
2023
91
2024
92
2025
2021: B-Corp certification obtained
2022: Employee Ownership Trust completed
infoAll data on this page is pulled from public registers: Companies House, HMRC, Charity Commission, and accreditation body databases. Greenflow Plumbing Ltd has not paid for this listing or influenced its content. Last data pull: 29/03/2026.