Subcontractors wanted

    Booster, Sump, Sewage & Condensate Pump Subcontractors

    Pumps keep water moving in homes and commercial buildings. We work with self-employed pump engineers who can service, repair and replace booster sets, sump and sewage pumps, condensate pumps and pressurisation units.

    Trades covered on this page

    Booster pumps, Sump/sewage pumps, Condensate pumps, Pressurisation.

    Typical scope of work

    • Cold water booster set servicing, repair and replacement
    • Sump and sewage pump station faults and float switches
    • Condensate pump repairs on boilers and air conditioning
    • Pressurisation unit and expansion vessel servicing
    • Pump controls, inverters and alarm checks

    Typical sites: Apartment blocks, offices, basements, plant rooms and commercial kitchens.

    Qualifications we ask you to evidence

    • Plumbing or mechanical services qualification
    • Electrical competence for pump controls and isolation
    • Booster set or pump manufacturer experience (please list)
    • Confined space training for some sewage pump chambers

    Course and scheme names are examples. We check certificates and registrations during review, and we only offer work that matches what you are qualified to do.

    Insurance requirements

    We ask every applicant for current public liability insurance. Our usual minimum is £2,000,000, and many commercial clients require £5,000,000 before work on their sites is offered. If you employ anyone, employer's liability insurance is a legal requirement.

    Subcontract and self-employed work

    Booster pump subcontract work, sewage pump engineer jobs and self-employed pump engineer roles are offered as clients need them. Workload is not guaranteed.

    Joining our network does not guarantee any work or income. Jobs are offered when suitable work is available in your area, and you are free to accept or decline each one. You work as a self-employed contractor responsible for your own tax, tools, registrations and insurance.

    How to apply

    1. Open the UK Gas Plumbers engineer app at app.ukgasplumbers.com.
    2. Add your trades, working area, availability, qualifications and insurance documents.
    3. Our team reviews your application and contacts you if we have suitable work.
    Apply in the engineer app

    Frequently asked questions

    Do I need to handle sewage pump chambers?

    Only if you choose to. Tell us whether you hold confined space training and we will offer suitable jobs.

    Are pumps supplied?

    Replacement equipment is agreed per job before you accept it.

    How do I apply?

    Apply online at app.ukgasplumbers.com. You'll add your trades, working area, qualifications and insurance details, and our team reviews each application.

    Is work guaranteed?

    No. We offer jobs when suitable work comes in for your trade and area. There is no promised volume or income.

    Ready to work with us? Apply online in the UK Gas Plumbers engineer app.

    Apply Now — Join Our Network
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    UK-Based Customer Service, 24 Hours a Day

    Our friendly support team answers every call, message and booking request — day, night, weekends and bank holidays. No call centres, no bots, no waiting in a queue. Speak to a real coordinator who will dispatch a Gas Safe engineer fast.

    • Answered within 30 seconds, 24/7/365
    • UK-based coordinators — no overseas call centres
    • Call, WhatsApp, live chat or online booking
    UK Gas Plumbers customer service agent wearing branded navy and yellow polo with headset, 24/7 emergency call out support
    24/7 EMERGENCY CALL OUT
    Talk to a Real Human

    UK-Based Customer Service, 24 Hours a Day

    Our friendly support team answers every call, message and booking request — day, night, weekends and bank holidays. No call centres, no bots, no waiting in a queue. Speak to a real coordinator who will dispatch a Gas Safe engineer fast.

    • Answered within 30 seconds, 24/7/365
    • UK-based coordinators — no overseas call centres
    • Call, WhatsApp, live chat or online booking