Best Private Investigators in Calgary, AB

10 agencies listed · all 10 in Calgary · 2 open 24/7 · 6 open weekends · 6 rated 4.5+

Data verified October 16, 2026

We are still growing

There are too few quality options within 25 km, so we have expanded area of coverage to up to 100 km from you. This includes Calgary and several other cities.
Spec OPS Security Calgary Security Guard Services

Spec OPS Security Calgary Security Guard Services

4.8 26 reviews
“Solid group of guys that take pride in their work and are not afraid to work.”
Open 24 hoursSince 2017
150 6 Ave SW
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Qwest Investigations

Qwest Investigations

5.0 3 reviews
“Paul Waldron is an exceptional investigator who not only handles difficult situations professionally but also compassionately.”
Free consultationOpen 24 hours
10816 Macleod Trail SE #194-440
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Lead Investigations

Lead Investigations

4.3 1 review
“Quick and straight to the point.”
LicensedPrices online
919 Centre St NW Suite #204
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Major Investigation Agency

Major Investigation Agency

5.0 2 reviews
Free consultationLicensedSince 2020
6 Copperfield Crescent SE
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Book onlineBook
Fatali Investigations

Fatali Investigations

5.0 4 reviews
“They were great at keeping me informed, and the video footage quality was very very good!”
Free consultationServes Calgary, Airdrie +10Since 2013
873 85 St SW #96108
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Anavaino Professional Lie Detector Testing

Anavaino Professional Lie Detector Testing

4.1 4 reviews
“Colby (lie detector administrator) was able to settle my nerves down by slowly and professional going over the process with me.”
4620 Manilla Rd SE #23
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The 10 agencies shown for Calgary, AB carry out investigation work: surveillance, tracing, background and asset inquiries. Details of licence, specialties and coverage come from each agency's own website, and ratings and quotes come from public reviews.

Area overview: Calgary, AB

All 10 agencies we list here are in Calgary itself. 8 of the agencies on this page have a rating, from 4.1 to 5.0 across 66 reviews; 6 are rated 4.5 or higher. 2 are open around the clock; 6 are open on Saturdays and 5 on Sundays. 4 show a licence on their websites. Domain records put 3 websites of the agencies on this page at ten or more years old; the oldest dates from 1995. 2 offer urgent consultations and 2 offer a free initial consultation. We have a website on file for all 10 of the agencies on this page; 8 publish a contact page; 7 list a public email and 1 takes bookings online. We count these figures across the agencies on this page; hours and prices change, so confirm the details with the agency before you book.

Do investigators listed for Calgary discuss a case free?

2 of the 10 agencies say an initial consultation is free. Treat it as a scoping conversation about what you want to know and whether privacy law permits it to be collected. A firm that says no at that stage has just spared you a retainer and a useless report.

Pro-West Investigation & Protection

Pro-West Investigation & Protection

5.0 2 reviews
“Prices were fair and communication was prompt!”
Serves Western CanadaSince 2017
10816 Macleod Trail SE Suite 105
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Insight Investigations

Insight Investigations

4.5 1 review
“Would recommend to my friends and definitely use again if needed.”
144 4 Avenue South West, Suite 1600
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Conetec Investigations

Conetec Investigations

Serves worldwideSince 1995
6235 B 86 Ave SE
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Thirdeye PI

Thirdeye PI

Free phone consultationServes Calgary, AlbertaLicensedSince 2013
873 85 St SW
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Why these companies made our list

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