Founder, Mark Silverthorn

In the spring of 2015 Mark Silverthorn, Founder of Comprehensive Debt Solutions, shot a short video in front of the registared head office of D & A Collection Corporation.  He is sitting where collectors employed at D & A Collection Corporation would take their cigarette break.

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Here is a redacted copy of a collection letter D&A Collection Agency. sent to a resident of British Columbia.


Contact info


Head Office:


75 Watline Avenue, Suite 142

Mississauga, ON  L4Z 3E5

Tel.:  Toll Free (888) 395-1147

Fax:  (905) 507-6566


Western Office:


309 Manning Road NE, Unit 201

Calgary, AB T2E 7M9

Tel.:  Toll Free (866) 802-8268 or (403) 802-4111

Fax: (403) 802-4144


Eastern Office:


800 Chomedey Blvd. Tour C, Suite 520

Laval, PQ H7V 3Y4

Tel.:  Toll Free (800) 888-8303 or (450) 988-1023

Fax: (450) 988-1379

The registered head office for D&A Collection Corporation is 75 Watline Avenue, Suite 142 in Mississauga, Ontario.

D & A Collection Corporation