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London · updated August 2026

Foundation Repair Companies in London: the standings

20 foundation repair companies serving London, 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 London business. It never changes the ranking below. Claim your listing to take it.

  1. 1
    Advanced Basement Systems
    ★★★★★ 4.9 · 191 reviews · London · (226) 271-8708
  2. 2
    PHT Construction
    ★★★★★ 4.9 · 107 reviews · London · (226) 700-0972
  3. 3
    Babylon Concrete Construction
    ★★★★★ 4.9 · 85 reviews · London · (226) 503-1223
  4. 4
    A1 Waterproofing
    ★★★★★ 4.6 · 99 reviews · London · (519) 495-6060
  5. 5
    Lancaster Flagstone Brick & Concrete
    ★★★★★ 4.8 · 64 reviews · London · (519) 671-3323
  6. 6
    Basement Waterproofing London
    ★★★★★ 5 · 45 reviews · London · (647) 494-4801
  7. 7
    Power Foundation Systems Ltd
    ★★★★★ 4.7 · 52 reviews · London · (519) 298-0478
  8. 8
    Allside Masonry
    ★★★★★ 4.9 · 42 reviews · London · (519) 639-4787
  9. 9
    Beardown Contracting
    ★★★★★ 4.9 · 34 reviews · London · (519) 852-5068
  10. 10
    Ashworth Drainage
    ★★★★★ 4.6 · 36 reviews · London · (519) 660-9375
  11. 11
    London Wisecracks
    ★★★★★ 4.8 · 25 reviews · London · (519) 520-9144
  12. 12
    Classic Basement Waterproofing London
    ★★★★★ 4.8 · 25 reviews · London · (646) 698-4279
  13. 13
    Aquatech Basement Waterproofing London
    ★★★★★ 5 · 20 reviews · London · (226) 641-0771
  14. 14
    RCC Waterproofing London
    ★★★★★ 4.6 · 25 reviews · London · (519) 488-1406
  15. 15
    West Key Builders, Parging, Concrete Contractor.
    ★★★★★ 4.6 · 21 reviews · London · (519) 777-8171
  16. 16
    Lord’s Mate INC
    ★★★★★ 5 · 15 reviews · London · (519) 701-5507
  17. 17
    HANNAN MASONRY & EXCAVATION
    ★★★★★ 4.7 · 15 reviews · London · (226) 927-1263
  18. 18
    Basement Waterproofing Pros
    ★★★★★ 4.8 · 8 reviews · London · (519) 805-2515
  19. 19
    Stopleak Basement Waterproofing Unclaimed
    ★★★★★ 5 · 5 reviews · London · (519) 661-9424
  20. 20
    Basement Waterproofing Solutions
    ★★★★★ 5 · 5 reviews · London · (519) 319-8208
How the standings work. Rank = Google rating × review volume, observed for the London 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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