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General Contractor Professional

A1 Siding logoA1 Siding

Lansdowne, ON
Compare with similar general contractor providers in Lansdowne →
+1 613-561-9862
Serving Lansdowne & area
ProScore

This score is based on publicly available data.

How is this calculated?
Score updated: Oct 2026

About A1 Siding

AI-generated summary from ProScore data sources

A1 Siding is a women-owned general contractor based in Lansdowne, Ontario, operating on weekdays and working on-site.

  • A1 Siding: one of 3 general contractors in Lansdowne.
Rated on 1 independent platformProScore found ratings for this business on 1 independent review platform. Each one is listed in "Ratings Across Platforms" below.

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What Customers Say

AI analysis of 3 Google reviews

Top Strengths

Attention to detail and explanation of work process - owners 'pay attention to all the little details that differentiate a good siding job and a bad one' and 'explain why they do the little things'
Pride in craftsmanship and transformation results - work 'hugely increased the value of our residence' with results that 'over exceeded expectations'
Personable customer service and problem resolution - 'very personable' and 'when even when I made a mistake during the process they were more than happy to make sure I was happy'
attention to detailquality craftsmanshipfamily businesspersonable servicehome value increase

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 4 reviews
GoogleListing found
Google Business Profile reviews
5.0/5
4 reviews

Not found on 3 other platforms ProScore checks (Review platform B, BBB, Review platform C).

ProScore aggregates Google, the BBB and other major review platforms. Some sources are not named publicly.

How sources are weighted: ProScore methodology.

Things to Know

Trusted Level

Scores in ProScore’s Trusted tier — strong, consistent signals across the sources ProScore checks.

What Reviews Highlight

Reviews mention: attention to detail, quality craftsmanship, family business.

Google Review Breakdown

4 total
5
4
4
0
3
0
2
0
1
0

Featured Review

From Google

“

A1 Siding has absolutely astounded me, Jonah and Megan ( a cute couple I might add) are both self made business owners from scratch! I love dealing with family businesses and couldn’t think of anyone else worthy of earning our business! If you’re looking for an attentive business that will meet all of your needs and exceed some of them with their impressive attention to detail. A1 Siding is the one! Very personable and when even when I made a mistake during the process they were more than happ

C
Chris Bourbs (Gord253)
Google Review

Other top rated general contractor in Lansdowne

Kehoe Marine Construction
82
Lansdowne
4.8(64)

Frequently Asked Questions

Is A1 Siding licensed?
Licensing status has not been verified for A1 Siding. Contact them directly to confirm current credentials before hiring.
Does A1 Siding have insurance?
WSIB insurance status is not verified for A1 Siding. Request proof of workplace insurance and liability coverage before hiring.
What is A1 Siding’s rating?
A1 Siding has a ProScore Trust Score of 74/100 (Trusted), calculated from 1 data source including 4 Google reviews.
Where is A1 Siding located?
A1 Siding is a general contractor serving Lansdowne, Ontario. You can reach them at +1 613-561-9862. View their full profile on ProScore for reviews and credentials.

Business Details

40 Greer Point Ln, Lansdowne, ON K0E 1L0
General Contractor
View on Google Maps

Hours

Monday9a.m.-5p.m.
Tuesday9a.m.-5p.m.
Wednesday9a.m.-5p.m.
Thursday9a.m.-5p.m.
Friday9a.m.-5p.m.
SaturdayClosed
SundayClosed

Services Offered

Home renovationsAdditionsNew constructionProject managementPermit acquisitionDesign-build

Services & Info

Onsite services

Other

Identifies as women-owned

Service options

From the business

Identifies as women-owned

Credentials

Insurance
Not Confirmed
WSIB Coverage
Not Confirmed

Credentials are as reported by contractors and public sources — verify each with the contractor and the issuing authority before hiring.Check it yourself: WSIB clearance

Homeowner Guides

How much does this service cost in Ontario?Red flags when hiringView all guides →

Data Transparency

Sources
Google
Score computed
October 13, 2026

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Checked by ProScore

What is the ProScore?

One score from 0 to 100 across every review platform and public registry ProScore checks. How the ProScore works

≥81
Elite
≥70
Trusted
≥54
Good
≥30
Basic
<30
Caution
—
Not yet rated

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A ProScore is informational only — not a guarantee, endorsement, or recommendation — and the data behind it may be incomplete or out of date. Before hiring, independently verify all credentials, including licences, insurance (including WSIB) and references, directly with the contractor and the issuing authority. Full data notice. Something wrong? Let us know.