Limited Offer: New A-rated Boiler Installed from £1,950 — 10-yr warranty included Claim Now HomeAboutServices Areas We Cover Our WorkReviewsContact 020 3432 234907377 788881 Request Estimate - Home - svg]:size-3.5 text-steel"> - About Us About MAMOSS # London's Trusted Multi-TradeProperty Services Partner Gas Safe registered engineers, CHAS accredited, and backed by £5 million in public liability cover. We protect London properties — and the people who depend on them. Request an Estimate07377 788881 15+ Years of Experience 5,000+ Jobs Completed £5M Public Liability Cover 60 min Average Response Time 100% Gas Safe Compliant Our Story ## Built on Expertise, Driven by Outcomes MAMOSS is a medium-sized company specialising in residential and commercial plumbing, gas, and electrical services across London. We focus on plumbing, electrical, and gas installation and maintenance; trace and access; leak detection; drainage works; annual plumbing checks; boiler and cylinder services; HIU servicing; landlord gas safety inspections, and much more. Our commercial and residential professionals are here to help you in all aspects of your mechanical and electrical needs. Whether you manage a portfolio of rental properties, run a commercial premises, or simply need a reliable plumber for your home — we deliver consistent, regulation-compliant results. Our engineers are highly skilled, registered professionals delivering outstanding quality services on all plumbing, gas, and electrical works in accordance with national standards and relevant building regulations. We also utilise several trusted and qualified sub-contractors to cover trades such as decorating, flooring, tiling, and roofing works. Although we specialise in plumbing and heating, MAMOSS also covers most construction industry trades. The types of work we handle include domestic refurbishments (bathrooms, kitchens, and redecorations), proactive and reactive maintenance, insurance claim remedial and rectification works. Our clients include property management companies and letting agents, private schools and colleges, main building contractors, domestic clients and landlords — many of whom we have served for years. That retention rate speaks to the reliability and standards we bring to every job. Our Standards ## Certified, Insured, and Accountable Every job we complete meets or exceeds the standards set by national regulatory bodies. Our Gas Safe registration means every gas appliance we touch is legally compliant and safe. Our CHAS accreditation demonstrates that our health and safety management systems are independently verified. We hold public liability insurance to the value of £5,000,000 — giving our clients complete peace of mind when we work on their properties. Every engineer carries identification and proof of qualification on every visit. Our service philosophy is straightforward: arrive on time, diagnose accurately, execute to standard, and leave the property clean. No shortcuts. No excuses. No hidden charges. ### Accreditations & Memberships - Gas Safe Registered (all gas engineers carry valid Gas Safe ID cards) - CHAS Accredited (Contractors Health and Safety Assessment Scheme) - Safe Contractor approved - Constructionline certified - Chartered Institute of Plumbing and Heating Engineers (CIPHE) member Who We Serve ## From Single Homes to Property Portfolios We work with a diverse range of clients, each with different needs but one common requirement: dependable, certified tradespeople who get the job done right. Our client base includes: ### Property Management Companies Reactive and planned maintenance across portfolios, with priority response agreements available. ### Letting Agents & Landlords Annual gas safety certificates (CP12), boiler servicing, and tenant-ready preparation works. ### Private Schools & Colleges Scheduled maintenance contracts and emergency call-out support for institutional facilities. ### Homeowners & Domestic Clients Boiler installations, bathroom refurbishments, emergency repairs, and everything in between. ### Serving All of London Based in Bethnal Green, we provide rapid-response coverage across East, West, South, and South West London. Shoreditch•Bethnal Green•East London•West London•South London•All Services•Contact Us ## Ready to Work With a Team You Can Trust? Speak to a qualified engineer today. No obligation, transparent pricing, rapid response. Request a Free Estimate07377 788881 Multi-trade property services across London. Gas Safe registered, CHAS accredited, fully insured. 07377 788881 info@mamoss.co.ukUnit C, 279 Bethnal Green Road, London E2 6AH ### Services - Central Heating Service - Plumber - Electrician - Gas Engineer - Boiler Supplier - Drainage Service - Bathroom Renovator ### Areas - Bethnal Green - Shoreditch - Hackney - Stratford - Hoxton - East London ### Guides - Boiler installation cost London - Combi vs system boiler - How long does a boiler install take? - What to do if a pipe bursts - How to turn off your water (UK) ### Company - About Us - Our Work - Reviews - Special Offers - Contact ### Accreditations - Gas Safe Registered ↗ - CHAS Accredited ↗ - Safe Contractor ↗ - Constructionline ↗ - CIPHE Member ↗ © 2026 MAMOSS Ltd. Company No. 16372778. All rights reserved. Privacy PolicyTerms & ConditionsCookie PolicySitemap Call NowFree Estimate We use essential cookies to run this site and optional analytics cookies to improve it. Cookie Policy AcceptReject