142 siding contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Waterloo: Stera Exteriors, CR Score 61/100; 5.0★ from 35 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): A1 Pros - Exterior Contractor Gutters Siding Roofing, posts 24/7 hours; ranked #6 of 142.
Most-reviewed: Gerry's Roofing & Siding Inc, 766 Google reviews at 4.8★, the most of 142 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
142 Waterloo siding contractors are ranked here by CR Score, from ten published factors. 18 are open 24/7, 77 open Saturdays and 39 open Sundays, based on posted hours. The median Google rating is 4.9★ across 142 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Stera Exteriors | 61 | 5.0★ (35) | Waterloo | Sat · Sun · Evenings | Overall |
| 2 | XPF Group - Expert Siding Repair, Replacement & Installation Services | 58 | 5.0★ (26) | Cambridge, 17 km away | Sat · Sun · Evenings | — |
| 3 | Troys Aluminum & Vinyl | 58 | 4.8★ (35) | Kitchener, 6 km away | Sat | — |
| 4 | MacIntosh Exteriors | 58 | 5.0★ (21) | Kitchener, 4 km away | Sat · Evenings | — |
| 5 | DK Aluminium Exterior Finishes | 57 | 4.8★ (20) | Kitchener, 5 km away | Sat | — |
| 6 | A1 Pros - Exterior Contractor Gutters Siding Roofing | 57 | 5.0★ (39) | Guelph, 24 km away | 24/7 | Emergencies |
| 7 | Hiltz Exteriors Inc. | 57 | 5.0★ (24) | New Hamburg, 20 km away | — | — |
| 8 | Siderman Inc. | 57 | 4.8★ (86) | Guelph, 16 km away | — | — |
| 9 | Mara Roofing and Exteriors Inc | 56 | 4.9★ (59) | Kitchener, 6 km away | 24/7 | — |
| 10 | Gerry's Roofing & Siding Inc | 56 | 4.8★ (766) | Hamilton, 64 km away | Sat · Sun · Evenings | Most reviews |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cambridge, 17 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 6 km away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 35 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 4 km away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 5 km away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 20 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 24 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Hamburg, 20 km away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Siding contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Guelph, 16 km away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 86 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 6 km away
Ranked #9 because of its Google rating and review volume: 4.9★ from 59 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hamilton, 64 km away
Ranked #10 because of its Google rating and review volume: 4.8★ from 766 Google reviews, the most in Waterloo.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huron East, 10 km away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 46 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mississauga, 64 km away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 39 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 36 km away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 40 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 4 km away
Ranked #14 because of its Google rating and review volume: 4.9★ from 86 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 54 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 24 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 14 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Siding contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Mississauga, 63 km away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 108 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Guelph, 24 km away
Ranked #19 because of its Google rating and trade focus: 4.5★ from 28 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milton, 53 km away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mississauga, 63 km away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 92 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterloo
Ranked #22 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 48 km away
Ranked #23 because of its Google rating and review volume: 5.0★ from 131 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cambridge, 16 km away
Ranked #24 because of its Google rating and review volume: 4.9★ from 76 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kitchener, 5 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 142 ranked siding contractors here; the rest are on their profiles.
20 more siding contractors within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| 4wards Exteriors Inc | 5.0★ (2) | 64 km |
| AlumaPro Exteriors | 5.0★ (1) | 29 km |
| Apex Windows & Exteriors | 5.0★ (2) | 43 km |
| BT Exterior Co | 5.0★ (1) | 48 km |
| Custom Contracting Roofing & Eavestrough Repair Waterloo | 4.7★ (13) | In Waterloo |
| DA Contracting Ltd | 5.0★ (1) | 41 km |
| Daly Aluminum | 5.0★ (2) | 21 km |
| Ewing Industries | 5.0★ (1) | 20 km |
| Festival City Almnm & Constr | 1.0★ (1) | 41 km |
| Gemini Home Improvements | 5.0★ (2) | 26 km |
| I.C.I. Steel-Tech Inc | 5.0★ (1) | 4 km |
| jbe siding ltd | 5.0★ (1) | 3 km |
| Kozak Construction Svc | 5.0★ (2) | 62 km |
| Ordinary Exteriors | 5.0★ (2) | 24 km |
| Park Siding & Aluminum | 5.0★ (2) | 5 km |
| R M W Exteriors Inc | 4.6★ (52) | In Waterloo |
| Siding and Eavestrough Cambridge | 5.0★ (1) | 18 km |
| Synergy Exteriors - Fergus Roofing, Windows, Doors, Eavestrough & Siding | 5.0★ (1) | 28 km |
| Waterloo Home Improvement | 4.7★ (12) | In Waterloo |
| William’s eavestrough supply and install | 5.0★ (1) | In Waterloo |
US national ranges converted to CAD, not adjusted for Waterloo. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Siding replacement | CA$7,810 | CA$16,290 | CA$24,910 | Per house: typical range of customer-reported projects. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 142 Waterloo siding contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Waterloo data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |