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Here at Precision Auto-Tech you will get honest and trustworthy service with a smile.

Owner & Operator Greg Theofilopoulos has been in business for over 10 years and going strong.

Greg has a very loyal customer base and strives to maintain that strong and trusting relationship.

The personalized service you get is second to none. 

Here you will get to chat with Greg from time to time.

Come on in for a quick meet and greet.






Spoken languages include English, Greek, Portuguese and French.


8:00 AM - 5:00 PM


TEL:  519-439-0400
FAX: 519-439-0402




N5W 5K9

Thank you for checking out Precision Auto Tech as your personal mechanic expert!

We pride ourselves on being trustworthy, honest and available to our customers.

We are the name that is trusted by London Ontario to be the place for all your auto repairs.

Precision Auto Tech will diagnose and repair any issue. We stand behind our work 110%. 

The owner, Greg Theofilopoulos, can be found in customer cars working side by side with his technicians making sure every job is done with precision.

Greg will personally diagnose the issue a car has by listening to your concerns and then he will inspect the car. Once the issue has been found, he will then give you an honest quote with full details and ask your permission to repair the car.

Greg will then test the repair in any way he can and then return the car to the you.

Precision Auto Tech can complete any task in a timely manner. Precision Auto Tech has 3 bays to serve you in a timely manner.

With the warm weather coming, air conditioners need to be serviced.

Please contact us to get an AC checkup, we will get you in as soon as possible. 


Our Services


​- Electrical Systems


- Computerized Engine Controls


- Fuel Systems & Breaking Systems


- Automatic & Manual Transmission Services

- Complete Safety Analysis

- Drivability Problems

- Tune - ups & Preventative Maintenance

- Oil Changes

- Tires

- Brake repair specialist

- Mufflers and exhaust systems

- Steering and Suspensions

- Alignments


- Automotive Engine Repair


- All Makes & Models - European & Domestic


- Seasonal Undercoating


- Air conditioning

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