42 siding contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Perth: Ottawa Eavestroughing - Ottawa Siding, Soffit, & Fascia Company, CR Score 58/100; 4.9★ from 131 Google reviews; open 24/7.
Best for emergencies (open 24/7): ByTown Exterior Solutions, posts 24/7 hours; ranked #4 of 42.
Most-reviewed: Maize Siding & Eavestroughing Inc., 250 Google reviews at 4.5★, the most of 42 ranked; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
42 Perth siding contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 15 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.9★ across 42 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ottawa Eavestroughing - Ottawa Siding, Soffit, & Fascia Company | 58 | 4.9★ (131) | Kanata, 50 km away | 24/7 | Overall |
| 2 | Country Home Exteriors | 57 | 5.0★ (101) | Ottawa, 43 km away | — | — |
| 3 | Kaloozie Comfort - Ottawa Siding | 57 | 5.0★ (47) | Ottawa, 59 km away | Sat · Sun · Evenings | — |
| 4 | ByTown Exterior Solutions | 56 | 5.0★ (4) | Napanee, 22 km away | 24/7 | Emergencies |
| 5 | Zaidan Siding | 56 | 5.0★ (29) | Kanata, 55 km away | Sat · Sun | — |
| 6 | Precision Roofing Canada inc. | 55 | 5.0★ (19) | Ottawa, 56 km away | Sat · Sun · Evenings | — |
| 7 | F & N Dobbie | 55 | 5.0★ (3) | Perth | — | — |
| 8 | Vanity Roofing Ottawa | 54 | 4.7★ (243) | Kanata, 50 km away | Sat · Sun · Evenings | — |
| 9 | Kanata Siding | 54 | 5.0★ (17) | Ottawa, 23 km away | — | — |
| 10 | Kingston Siding | 54 | 4.9★ (28) | Napanee, 33 km away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 in Perth
Based in Kanata, 50 km away
Ranked #1 because of its Google rating and review volume: 4.9★ from 131 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 43 km away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 101 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 59 km away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Napanee, 22 km away
Ranked #4 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 Kanata, 55 km away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 56 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Perth
Ranked #7 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Siding contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Kanata, 50 km away
Ranked #8 because of its Google rating and review volume: 4.7★ from 243 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 23 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Napanee, 33 km away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 63 km away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 98 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 56 km away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 10 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Napanee, 40 km away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 23 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nepean, 63 km away
Ranked #14 because of its Google rating and trade focus: 4.6★ from 66 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clarence-Rockland, 52 km away
Ranked #15 because of its Google rating and review volume: 4.5★ from 250 Google reviews, the most in Perth.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nepean, 63 km away
Ranked #16 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 Nepean, 57 km away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ottawa, 55 km away
Ranked #18 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 Kanata, 54 km away
Ranked #19 because of its Google rating and review volume: 4.9★ from 30 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kanata, 50 km away
Ranked #20 because of its Google rating and review volume: 4.8★ from 81 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Napanee, 27 km away
Ranked #21 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 Kanata, 49 km away
Ranked #22 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brockville, 57 km away
Ranked #23 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 Ottawa, 64 km away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston, 60 km away
Ranked #25 because of its Google rating and review volume: 4.2★ from 69 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #42, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | To The Top Construction | 48 | 5.0★ (13) | 51 km |
| 27 | Kovar Contracting INC. | 48 | 4.8★ (80) | 59 km |
| 28 | KOTT Inc. | 48 | 2.8★ (25) | 53 km |
| 29 | Magnum Roofing | 48 | 4.6★ (83) | 53 km |
| 30 | Magnum Exteriors | 47 | 5.0★ (3) | 52 km |
| 31 | West Carpentry | 47 | 5.0★ (18) | 54 km |
| 32 | Ottawa Home Exteriors | 47 | 4.6★ (69) | 61 km |
| 33 | BestCan Windows & Doors Ottawa | 46 | 4.2★ (67) | 62 km |
| 34 | Webcor Contracting Inc | 45 | 5.0★ (13) | 45 km |
| 35 | Darsen Construction | 45 | 5.0★ (7) | 52 km |
| 36 | A1 Siding | 44 | 5.0★ (4) | 49 km |
| 37 | Valley Siding & Windows | 44 | 4.3★ (4) | 48 km |
| 38 | The Deck Store | 44 | 5.0★ (24) | 64 km |
| 39 | Brockville Exteriors | 43 | 5.0★ (8) | 55 km |
| 40 | Pryer's Construction Ltd | 41 | 3.7★ (6) | 55 km |
| 41 | Magenta Exterior Solutions | 40 | 3.0★ (4) | 57 km |
| 42 | Hermes Homes | 40 | 5.0★ (3) | 63 km |
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 |
|---|---|---|
| 15625971 CANADA INC./ To The Top Construction | 49 km | |
| Above The Rest Roofing Company | 4.6★ (32) | In Perth |
| Bell Windows & Siding | 5.0★ (1) | 46 km |
| Cole Construction | 5.0★ (2) | In Perth |
| DNE - Revêtement Extérieur | 5.0★ (2) | 55 km |
| Dylan's Roofing | 5.0★ (6) | In Perth |
| Ennis General Carpentry Ltd | 3.7★ (3) | In Perth |
| Full Speed Builders Ltd. | 3.9★ (7) | In Perth |
| Grime To Shine Outdoor Services | 5.0★ (2) | 54 km |
| K. James Custom Homes | 4.6★ (11) | In Perth |
| Lucky 13 Exteriors Inc. | 5.0★ (1) | 53 km |
| Mayhews Maintenance | 5.0★ (1) | 52 km |
| MD Construction Company | In Perth | |
| Nutbrown's Custom Woodworking | 5.0★ (1) | 53 km |
| NXT Total Homes | 5.0★ (2) | 64 km |
| Perth Roofing | 5.0★ (1) | In Perth |
| R K Porter General Contracting Inc | 4.1★ (14) | In Perth |
| Rick Klock Roofing | 4.9★ (37) | In Perth |
| Roof & Building Service Intl. | 4.9★ (10) | In Perth |
| TrueNorthCo | 5.0★ (2) | 54 km |
US national ranges converted to CAD, not adjusted for Perth. 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 42 Perth 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 Perth 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 |