65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “General contractor”.
- 4.9★ from 51 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best General Contractors in London, ON (2026)
127 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in London: Aladdin Contracting, CR Score 65/100; 4.9★ from 51 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Diamond V.S Construction Ltd, posts 24/7 hours; ranked #2 of 127.
- 4
Most-reviewed: ABA Construction, 121 Google reviews at 4.6★, the most of 127 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
127 London general contractors are ranked here by CR Score, from ten published factors. 12 are open 24/7, 59 open Saturdays and 24 open Sundays, based on posted hours. The median Google rating is 5.0★ across 127 rated businesses.
Top 10 general contractors in London at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Aladdin Contracting | 65 | 4.9★ (51) | London | 24/7 | Overall |
| 2 | Diamond V.S Construction Ltd | 65 | 5.0★ (35) | London | 24/7 | Emergencies |
| 3 | Spray-Net London | 64 | 4.7★ (68) | London | Sat · Sun · Evenings | — |
| 4 | ABA Construction | 63 | 4.6★ (121) | London | Sat | Most reviews |
| 5 | Augustine Construction | 63 | 4.9★ (24) | London | 24/7 | — |
| 6 | Ferrer Texture Ceilings | 62 | 4.8★ (19) | London | 24/7 | — |
| 7 | Gold Level Contracting | 62 | 4.9★ (51) | London | Sat | — |
| 8 | Hill Developments Inc. | 62 | 4.9★ (62) | Lambton Shores, 4 km away | Sat | — |
| 9 | Renovations Without Borders | 62 | 4.9★ (15) | London | 24/7 | — |
| 10 | Wayfarer Renovations | 62 | 5.0★ (45) | London | Sat | — |
The 127 best general contractors in London, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in London
65/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 35 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2619 Sheffield Blvd, London, ON N6M 0G4
Based in London
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 68 Google reviews, listed on Google as “Contractor”.
- 4.7★ from 68 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 8 AM–4 PM
Based in London
63/100CR ScoreRanked #4 because of its Google rating and review volume: 4.6★ from 121 Google reviews, the most in London.
- 4.6★ from 121 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 9 AM–3 PM · Sun closed
- Address
- 30 Adelaide St N #22, London, ON N6B 3N5
Based in London
63/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 24 Google reviews, listed on Google as “Construction company”.
- 4.9★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 980 Grenfell Dr, London, ON N5X 4R8
Based in London
62/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “General contractor”.
- 4.8★ from 19 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 939 Crumlin Sideroad, London, ON N5V 1R6
Based in London
62/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “General contractor”.
- 4.9★ from 51 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 8 AM–1 PM · Sun closed
- Address
- 288 Grangeover Ave, London, ON N6G 4K5
Based in Lambton Shores, 4 km away
62/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Construction company”.
- 4.9★ from 62 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 9 AM–12 PM · Sun closed
Based in London
62/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 15 Google reviews, listed on Google as “Construction company”.
- 4.9★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in London
62/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 45 Google reviews
- Hours
- Mon–Sat 9 AM–5 PM · Sun closed
- Address
- 120 Forward Ave, London, ON N6H 1B7
Based in London
62/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “General contractor”.
- 4.7★ from 28 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
Based in London
62/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 48 Google reviews, listed on Google as “Contractor”.
- 4.8★ from 48 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–3 PM · Sun closed
Based in London
61/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 20 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat–Sun 9 AM–5 PM
- Address
- 1587 Drew St, London, ON N5V 0C3
Based in London
61/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.6★ from 57 Google reviews, listed on Google as “General contractor”.
- 4.6★ from 57 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 321 Hill St, London, ON N6B 1E1
#15 Tradecy Inc.
Based in Lambton Shores, 12 km away
61/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “General contractor”.
- 4.8★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in London
61/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#17 Yev Construction
Based in London
61/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Construction company”.
- 4.9★ from 18 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 71 Dillabough St, London, ON N5Z 2B9
Based in London
61/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 17 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in London
61/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 32 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
- Address
- 2215 Lilac Ave, London, ON N6K 5C5
Based in London
61/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 29 Google reviews
- Hours
- Mon–Sat 9 AM–6 PM · Sun closed
Based in London
61/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.6★ from 20 Google reviews, listed on Google as “General contractor”.
- 4.6★ from 20 Google reviews
- Hours
- Mon–Fri 9 AM–10 PM · Sat 9 AM–7 PM · Sun 9 AM–5 PM
- Address
- 505 Talbot St unit 1403, London, ON L5B 3Y4
Based in London
60/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 14 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 1753 Brayford Ave, London, ON N6K 0H4
Based in London
60/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 14 Google reviews
- Hours
- Mon–Sun 8:30 AM–7:30 PM
- Address
- 145 Timber Dr, London, ON N6K 4A8
Based in London
60/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 47 Google reviews, listed on Google as “Construction company”.
- 4.9★ from 47 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 440 Victoria St, London, ON N5Y 4A9
Based in London
60/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 20 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 8:30 AM–5 PM · Sun closed
General contractors ranked #26 to #50
#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 127 ranked general contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | KHS Group Ltd. | 59 | 5.0★ (10) | In London |
| 27 | SWO General Contracting | 59 | 4.4★ (24) | In London |
| 28 | JS Construction & General Contracting | 59 | 4.9★ (9) | In London |
| 29 | Dynasty Contracting | 59 | 5.0★ (8) | In London |
| 30 | Western Renovations | 59 | 5.0★ (10) | 4 km |
| 31 | Apeiro Construction | 59 | 5.0★ (16) | In London |
| 32 | Cohen Construction | 59 | 5.0★ (14) | In London |
| 33 | TRI-DYS Construction Inc. | 59 | 5.0★ (26) | In London |
| 34 | Golden Vision Renovation | 59 | 5.0★ (7) | In London |
| 35 | Deckorated Living Inc. | 59 | 5.0★ (13) | In London |
| 36 | Ashworth Drainage | 59 | 4.7★ (34) | In London |
| 37 | Haycon Construction | 58 | 4.0★ (4) | In London |
| 38 | PMD Excavation Construction | 58 | 5.0★ (46) | 24 km |
| 39 | CHIZLD Design & Construction | 58 | 4.9★ (20) | In London |
| 40 | Pro Home Contracting Inc. | 58 | 5.0★ (21) | In London |
| 41 | RRP Construction | 58 | 3.7★ (3) | In London |
| 42 | Cardona Property Solutions | 58 | 5.0★ (10) | In London |
| 43 | KEMBRO Design Studio | 58 | 5.0★ (18) | In London |
| 44 | Starcity Home Solutions | 57 | 4.8★ (20) | In London |
| 45 | Duo Building Ltd | 57 | 4.5★ (25) | In London |
| 46 | Core Builders | 57 | 5.0★ (7) | In London |
| 47 | Renown Contractors | 57 | 4.2★ (5) | In London |
| 48 | DS Quality Solutions | 57 | 4.6★ (9) | In London |
| 49 | D3 RENOVATIONS | 57 | 5.0★ (6) | In London |
| 50 | On the mark carpentry service | 57 | 5.0★ (15) | 23 km |
Also serving London
20 more general contractors within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
How much do general contractors cost in London?
US national ranges converted to CAD, not adjusted for London. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Kitchen remodel | CA$20,510 | CA$37,930 | CA$58,490 | Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
| Bathroom remodel | CA$9,350 | CA$17,080 | CA$24,820 | Per bathroom: typical range of customer-reported remodels. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
How we ranked London general contractors
We scored 127 London general 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 London 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 |
General contractors in London: frequently asked questions
Who is the best general contractor in London?
By CR Score, the highest-ranked general contractor in London, ON is Aladdin Contracting with a CR Score of 65/100. It has 4.9★ from 51 Google reviews. It is open 24/7. Diamond V.S Construction Ltd (#2) and Spray-Net London (#3) follow. We ranked 127 general contractors on ten factors, last updated October 22, 2026.
How many general contractors are there in London?
ContractorsRanked ranks 127 general contractors serving London, ON. 45 of them are based in London; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of October 2026.
Which general contractors in London are open 24/7?
12 ranked general contractors in London post 24/7 hours. The highest-ranked are Aladdin Contracting (#1), Diamond V.S Construction Ltd (#2) and Augustine Construction (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which general contractors in London work on weekends?
59 of 127 ranked general contractors post Saturday hours and 24 post Sunday hours. The highest-ranked open Saturdays are Aladdin Contracting (#1), Diamond V.S Construction Ltd (#2) and Spray-Net London (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does kitchen remodel cost in London?
Kitchen remodel typically costs CA$20,510 to CA$58,490, with CA$37,930 typical (Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)). This is a national range, not adjusted for London. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do London general contractors have?
The median Google rating among 127 rated general contractors in London is 5.0★, with a median of 11 reviews. ABA Construction has the most, 121 reviews, and ranks #4. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank general contractors?
Each general contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do general contractors outside London count in this ranking?
Yes, if they are within 40 km of the London city centre, our service radius for general contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for London
- October 2026: CR Scores recalculated for 127 general contractors serving London.
- October 2026: 1 duplicate listing merged.
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