Best Septic Tank Installers near Stratford, ON
These companies serve Stratford from nearby bases in towns including Harrington, Embro and New Hamburg.
10 companies listed · 3 open weekends · all 10 rated 4.5+ · 1 shows a licence
Data verified October 19, 2026
Texo Terra Contracting Ltd.
JM Construction & Consulting Ltd.
Gerth Excavating
Chitters Septic Service
Jack Hall Septic Tank Service
The 10 companies listed for Stratford, ON design and install septic systems and replace failed leaching beds. Each company's own site is the source for its hours, licence claims and estimate policy. Ask who applies for the permit and who arranges the inspection before backfill.

Area overview: Stratford, ON
The 10 companies on this page are rated from 4.6 to 5.0 across 99 reviews. When customers rate these companies on specific qualities, they most often praise professionalism (100%), responsiveness (83%) and punctuality (78%). 3 are open on Saturdays and 2 on Sundays. 1 shows a licence on its website. 4 give free estimates. We have a website on file for 9 of the companies on this page; 8 publish a contact page and 7 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
What should I look for on an installer's website?
9 of the 10 listings link a website. Look for photographs of real installations rather than stock images, the tank and treatment brands they work with, and whether design and soil work are in house. A company that only digs will subcontract the part that actually gets approved.