#1
Per Mar Security Services
“We highly recommend Dan Derieg for your services. He was very comprehensive, patient and took extra time to make sure we understood our phone system. We will be requesting him again!” — Google review
Best Cctv Installation Services in Duluth, MN
The 4 best-rated cctv installation services in Duluth, MN average 4.7★ on Google across 174 reviews. Per Mar Security Services has the top rating (4.7★), and Downtown Computer has the most reviews (78). Updated October 27, 2026.
4 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (174 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Downtown Computer
“The liquid cooler in my gaming computer failed, so I brought it to the desktop technician at Downtown Computer. Within just two days, they replaced and upgraded the cooler and had my computer back to me. It now runs…” — Google review
#3
Nextec Systems
“Nextec recently worked on our new project, Tanner’s Express Car Wash. To say I am impressed is an understatement. The entire team was easy to work with, fairly priced, and always knowledgeable when answering…” — Google review
#4
Duluth Electrical Contracting Inc
“I called them this morning when my husband and I’s power stopped working due to a breaker issue. They came out same day, got the issue fixed quickly, were so kind and personable. I can not thank them enough or say…” — Google review
How we pick cctv installation services in Duluth
We scan Google Maps for cctv installation listings in and around Duluth, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated cctv installation in Duluth?
Per Mar Security Services has the highest Google rating on our Duluth list: 4.7 out of 5 from 42 reviews (as of October 27, 2026).
Which cctv installation in Duluth has the most reviews?
Downtown Computer has the most Google reviews among the companies listed here: 78, with a 4.6★ average.
How are these cctv installation services chosen?
Only open Duluth-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.