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Ottawa & the Valley · updated October 2026

Mold Removal Companies: the standings

55 mold removal companies ranked across 9 Ottawa & the Valley communities, by Google rating and review count from 2,970 reviews. Refreshed monthly. Nobody can pay to move up.

55 ranked
2,970 reviews counted
9 communities

Who leads in each community

The mold removal companies holding first place on each town board, ordered by review volume.

  1. Mold Busters Ottawa

    ★★★★★ 4.6 · 249 reviews
    #1 of 20 mold removal companies in Barrhaven

  2. PatchBoyz Ottawa Drywall Repair

    ★★★★★ 4.9 · 243 reviews
    #1 of 20 mold removal companies in Nepean

  3. OWLS LTD -Full Service Pest Control-

    ★★★★★ 4.8 · 170 reviews
    #1 of 3 mold removal companies in Arnprior

  4. SERVPRO of Ottawa, Vanier

    ★★★★★ 5 · 145 reviews
    #1 of 6 mold removal companies in Orléans

Mold Removal Companies 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.

Run a mold removal business?

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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