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Mississauga · updated August 2026

Foundation Repair Companies in Mississauga: the standings

19 foundation repair companies serving Mississauga, ranked by Google rating and review count. The bar shows each one's review volume against the leader. Nobody can pay to move up.

Featured slot — open

One labelled spot above these standings, reserved for a claimed Mississauga business. It never changes the ranking below. Claim your listing to take it.

  1. 1
    Canada Waterproofers
    ★★★★★ 5 · 325 reviews · Mississauga · (905) 270-5325
  2. 2
    PRIME Waterproofing
    ★★★★★ 5 · 177 reviews · Mississauga · (647) 629-3756
  3. 3
    Waterproofing PD Basement Waterproofing Mississauga
    ★★★★★ 5 · 177 reviews · Brampton · (416) 333-8222
  4. 4
    Aquatech Waterproofing Mississauga Unclaimed
    ★★★★★ 5 · 151 reviews · Mississauga · (647) 955-4124
  5. 5
    ROOTERWORX
    ★★★★★ 5 · 134 reviews · Mississauga · (416) 400-2685
  6. 6
    Direct Basement Waterproofing Mississauga
    ★★★★★ 5 · 133 reviews · Brampton · (647) 693-2053
  7. 7
    Aquamaster Basement Waterproofing Mississauga
    ★★★★★ 5 · 130 reviews · Milton · (289) 548-0393
  8. 8
    RCC Waterproofing Mississauga
    ★★★★★ 4.9 · 134 reviews · Mississauga · (905) 228-0561
  9. 9
    AquaMen Waterproofing & Underpinning
    ★★★★★ 4.9 · 108 reviews · Mississauga · (647) 575-7753
  10. 10
    MMT Waterproofing
    ★★★★★ 5 · 86 reviews · Mississauga · (416) 854-3382
  11. 11
    Royal Work Basement Waterproofing
    ★★★★★ 5 · 81 reviews · Mississauga · (647) 529-2681
  12. 12
    GJ MacRae Foundation Repair
    ★★★★★ 4.8 · 97 reviews · Milton · (905) 824-2557
  13. 13
    Last Nail Demolition & Waterproofing
    ★★★★★ 5 · 66 reviews · Mississauga · (437) 377-7737
  14. 14
    Waterproof Basement Mississauga
    ★★★★★ 5 · 52 reviews · Mississauga · (416) 939-6379
  15. 15
    Classic Basement Waterproofing Mississauga
    ★★★★★ 5 · 45 reviews · Mississauga · (289) 277-6438
  16. 16
    WillFix - Basement Underpinning Mississauga
    ★★★★★ 4.7 · 36 reviews · Milton · (647) 676-4708
  17. 17
    KOME WATERPROOFING AND UNDERPINNING TORONTO
    ★★★★★ 5 · 25 reviews · Mississauga · (647) 915-6943
  18. 18
    Basement Waterproofing Mississauga
    ★★★★★ 4.8 · 21 reviews · Mississauga · (647) 584-5714
  19. 19
    Waterproof guys
    ★★★★★ 5 · 17 reviews · Mississauga · (647) 567-6691
How the standings work. Rank = Google rating × review volume, observed for the Mississauga area in August 2026. No submissions, no fees, no exceptions — a business moves up by earning reviews, not by paying us. Refreshed monthly.

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1 of these 19 listings are still unclaimed — customers notice. Claiming is free: your description, services, and correct hours on your profile. The rank stays earned either way.

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