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Guelph, Kitchener-Waterloo & Halton Hills · updated October 2026

Waterproofing Contractors: the standings

74 waterproofing contractors ranked across 5 Guelph, Kitchener-Waterloo & Halton Hills communities, by Google rating and review count from 5,350 reviews. Refreshed monthly. Nobody can pay to move up.

74 ranked
5,350 reviews counted
5 communities

Who leads in each community

The waterproofing contractors holding first place on each town board, ordered by review volume.

  1. Aquatech Basement Waterproofing Toronto

    ★★★★★ 5 · 874 reviews
    #1 of 19 waterproofing contractors in Cambridge

  2. The Crack Specialists

    ★★★★★ 5 · 522 reviews
    #1 of 18 waterproofing contractors in Waterloo

  3. O'Dwyer Insulation

    ★★★★★ 5 · 383 reviews
    #1 of 20 waterproofing contractors in Guelph

  4. Aquatech Waterproofing Mississauga

    ★★★★★ 5 · 151 reviews
    #1 of 17 waterproofing contractors in Milton

  5. Aquamaster Basement Waterproofing Cambridge

    ★★★★★ 4.9 · 112 reviews
    #1 of 19 waterproofing contractors in Kitchener

Waterproofing Contractors by community

Pick a town for its full board, in order.

How these standings are built

Rank = Google rating × review volume. We read the public Google listing for every business on these boards, in October 2026, and order each town board by that score. There are no submissions and no fees. A business moves up by earning reviews. Featured placement is available to claimed businesses, is always labelled as such, and never changes a rank. The boards are refreshed monthly.

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Your customers already put you on one of these boards. Claiming is free: your description, your services and your correct hours on your profile. The rank stays earned either way.

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