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Designer & contractor of waterproofing services

Reference
S12907
Turnover
£5m to £10m
Sector(s)
Construction
Region(s)
London, South East England, South West England, UK Wide
Added
15 September 2025

Business description

Project Maine represents the opportunity to acquire a market-leading specialist in the design, supply, and installation of advanced structural & external waterproofing systems.

With over 25 years of industry expertise, the founders have grown the Business to become the go to designer and contractor of waterproofing systems for many of the market leading architects, engineers and contractors in the UK.

With numerous awards and accreditations by industry leading bodies Maine leads best-in-class standards. With design capabilities and unrivalled technical expertise the Company has proven capability in delivering complex and sensitive waterproofing solutions.

This growing reputation and track record of delivering first class systems and solutions has resulted in Maine working on some of the most high-profile projects in the UK.

Highlights

  • Key Highlights as follows:

    1. Established market leader in structural waterproofing systems

    Maine is a market leader in waterproofing and preservation treatments.
    ~200 projects p.a. with contracts for leading high end heritage construction firms
    Over 25 years of technical expertise

    2. Leading technical & design expertise

    Led by specialists with leading technical expertise
    Strong reputation for design capabilities
    Offers training and CPD industry wide

    3. Excellent reputation with high service levels and low customer concentration with diverse supplier base.

    Increasing sales and orderbook driven by leading specialist construction firms
    Excellent testimonials and client feedback
    Current orderbook of ~£3.75m and YTD sales (to July) of £1.1m.

    4. Established Management team and Experienced Senior Leadership

    Award winning Business with high service levels.
    Long standing staff with design and leadership capabilities
    Senior leadership team with experience of designing and delivering technically challenging systems

    5. Leading systems and marketing

    A very reliable and well organised work force with a quality control system unlike any competitor
    One of the few contractors that acts like a manufacturer.
    Regular informative technical newsletters to thousands of design teams involved with waterproofing

    6. Strong profitability and recurring revenue stream
  • High levels of profitability. Targeting £5m sales and £0.6m EBITDA
    Increasingly levels of recurring revenues via service income.
    Excellent growth opportunities.
    Positioned to benefit from regulatory changes and sustainability trends driving demand for professional waterproofing expertise

Financials

Turnover (£'000) Adjusted EBITDA (£'000)
2024 (Actual) 4,994 535
2025 (Actual) 5,159 543
2026 (Forecast) 5,165 652

With consistently high gross profit margins (~47%) and increasing turnover the Company is on track to deliver ~£5.2m of revenue and ~£0.7m of adjusted EBITDA in this financial year to Apr-26. Underpinned by YTD sales (to July) of £1.1m.and an orderbook of ~£3.75m, the Directors are confident of meeting their financial forecast for this year.

Opportunities

  • Recent initiatives to expand the service offering along with technologically driven monitoring systems, Maine offers a potential buyer the ideal platform to enter new or existing markets.

Prospective purchasers

Reason for sale

The founder, who does not work in the Company full time wishes to crystallise value built up in the business. He, together with his co-founder have built a substantial business, but one that would benefit from the additional resources that a larger company could offer.
Should a buyer so wish, the founder would welcome continuing to support the Business in an advisory capacity.
The current management team run the operations on a day-to-day basis and with some strategic oversight can run the business going forward.

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