Our Data Sources

40,000+ verified reviews. 10+ data sources. 20+ trust signals. ProScore analyzes it all to calculate trust scores for 17,930+ Ontario contractors.

PLATFORMS

10+

REVIEWS ANALYZED

40,000+

UPDATE FREQUENCY

Daily

Why Multiple Sources Matter

A contractor might have 4.8 stars on one platform and poor ratings on another. Single-source ratings give an incomplete picture. ProScore cross-references multiple independent sources — including government licensing databases — so you see the full story, not just one platform's version of it.

Reviews & Ratings

Google Reviews

Reviews & Ratings

Star ratings, review counts, owner responses, and business verification status from Google Maps.

Better Business Bureau (BBB)

Accreditation & Complaints

Letter grades, accreditation status, complaint history, and dispute resolution.

Major Review Platforms

Reviews & Ratings

Ratings and review text from additional verified Canadian home improvement review platforms.

Government Licensing

Electrical Safety Authority (ESA)

Electrician Licensing

Ontario's regulator for electrical safety. Verifies active electrician licences.

TSSA (Technical Standards & Safety Authority)

Gas Fitter & HVAC Licensing

Regulates gas fitters, HVAC technicians, and fuel-related contractors in Ontario.

HCRA (Home Construction Regulatory Authority)

Home Builder Licensing

Ontario's regulator for new home builders and vendors. Verifies builder registration.

Skilled Trades Ontario

Trade Registration

Provincial trades registration and certification for compulsory and voluntary trades.

Insurance Verification

WSIB (Workplace Safety & Insurance Board)

Workers Compensation Insurance

Confirms active workplace insurance coverage, protecting homeowners from liability.

Compliance & Transparency

Ontario Consumer Beware List

Consumer Protection

Government-maintained list of contractors with unresolved complaints or charges.

AI Sentiment Analysis

Capability

AI sentiment analysis is not a data source — it is an intelligence capability layered on top of our sources. Our proprietary NLP model reads every verified review and evaluates contractors across six dimensions: quality of work, communication, professionalism, value, reliability, and expertise. This transforms raw review text into actionable trust signals.

20+ Trust Signals

Each data source generates multiple trust signals. ProScore evaluates 20+ distinct signals to produce the final score, including:

Google star rating & review volume

Cross-platform rating consistency

Review recency & trajectory

AI sentiment across 6 dimensions

ESA / TSSA / HCRA license status

WSIB registration

Skilled Trades Ontario certification

Consumer Beware List presence

BBB accreditation & complaint history

Profile completeness & photos

Multi-platform presence

Owner response rate & quality

Data Update Frequency

Monthly

Review ratings, review counts, and star distributions are refreshed monthly.

Quarterly

Government licence verification, WSIB status, and regulatory compliance checks.

Real-Time

Consumer Beware List checks, profile claims, and dispute resolutions.

Read Our Methodology About ProScore