About Us


For nearly 45 years, the name Pre-lock Security  has been synonymous with superior service and the best in alarm, locksmith, and security services hands down.   Whether you are looking to install a new security system or have us take over your existing security system, or dealing with making your premise more physically secure we’re here to help!

Our factory-trained technicians are able to service any make or model of security system or lock hardware.   If you’re in an emergency with emergency security needs, call our emergency response number 24/7 and we’ll send someone to your door in four hours or less –  one of the fastest emergency response time in Toronto.

Pre-Lock® Security Services is a 100% Canadian-owned and operated full service security provider that specializes in residential and commercial security alarm systems, 24 Hour locksmith services including Amsec, Inkas, and Sentry authorized safe products, access control & C.C.T.V video surveillance and custom Unigard window bar security and  Armor Coat window security film solutions including PROFILONR AX security window film.

Headquartered in Toronto, at 800 Petrolia Road Unit 1 & 4, our company can service customers all over Ontario including major corporate players. Our goal is to provide our Toronto Locksmith customers with a level of service second to none.  At Pre-Lock®, we believe that this goal, coupled with our installation innovations, that are truly unmatched in the industry and our highly responsive customer service, will ensure that Pre-Lock® Security Services Inc. remain you solid choice for all your residential & commercial alarm & master lock and locksmith security needs.

Pre-Lock® Security Services Inc. is owned and operated by Paul Seidman. He has a complete understanding of your alarm security and locksmith needs. Pre-Lock® Security is an accredited member of the Association of Ontario Locksmiths as well as an affiliated membership with Underwriters Laboratories Canada & member of the Canadian Alarm & Security Association for over 30 years. Over the past 30 years Paul Seidman has protected and provided security solutions for thousands of satisfied customers for residential and commercial security alarms and locksmith services.

The security consultants, office staff, alarm technicians and locksmiths that we employ are a complete unique family of professional representatives ready to serve you and insure that you are treated and serviced in the most professional manner possible. As an authorized Medeco, Mul-T-Lock, Primus, and now CLIQ Interactive locksmith service provider you can count on "Real Security Under Lock & Key".  Our Toronto Locksmiths are available 24-7 for your total security needs.

*Our staff strive to provide the finest alarm & Toronto locksmith services available. We are committed to solving the unique problems facing each of our customer's concerns & security needs. We would like to have the opportunity to assist your family and business in accomplishing all your security objectives. We welcome the opportunity to work with you on your next security project real soon !! "  

Take a moment to fill in our No Obligation Contact form here on the right and let's discuss your secuirty needs. 

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Pre-Lock Security
Services Inc.

800 Petrolia
Road Unit 4
Toronto, Ontario
M3J 3K4

We Accept:


Toronto Locksmith  | Mississauga Locksmith  | Thornhill Locksmith |  Etobicoke Locksmith | Beaches Locksmith | North York Locksmith  |  Scarborough Locksmith  | Barrie Locksmith  | Toronto Downtown Locksmith  | Newmarket Locksmith  | Richmond Hill Locksmith  | Orangeville Locksmith  | Brampton Locksmith | Yorkville Locksmith  | Oak Ridges Locksmith  | Innisfil Locksmith  | Vaughan Locksmith  | London Locksmith  | Hamilton Locksmith  | Woodbridge Locksmith | Concord Locksmith  | Forest Hill Locksmith  | Spadina Locksmith  | Markham Locksmith  | Unionville Locksmith  | Oakville Locksmith  | Leaside Locksmith  | Rexdale Locksmith  | Oshawa Locksmith | Pickering Locksmith  | Bolton Locksmith

In addition to most major credit cards, we accept purchase orders from. Fortune 100 corporations, educational institutions, and government agencies located in Ontario. All purchase order terms are Net 30 days.
Please fax your purchase order to (416) 633-5852 

Call our GTA Service Area Number (416) 773-5625  (416) 736-8383 Or Toll Free 1-877-773-5625 

Send mail to sales@pre-lock.com with questions or comments about this web site. | TERMS OF USE | PRIVACY POLICY |

Copyright © 2011- 2020  Pre-Lock Security Services Inc.  All Rights Reserved
The Pre-Lock®  Name & Pre-Lock® Logo & Better Lock Next Time®  & Pre-Alarm® are Registered Trade Marks of Pre-Lock Security Services Inc.