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Best Network Cabling And Installation Companies in St. Thomas, ON (2026)

28 network cabling and installation companies ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in St. Thomas: WireMasters, IFR Score 61/100; 5.0★ from 14 Google reviews.

  2. 5

    Most-reviewed: POYNT360, 214 Google reviews at 4.8★, the most of 28 ranked; ranked #5.

Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank

28 St. Thomas network cabling and installation companies are ranked here by IFR Score, from nine published factors. 6 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 5.0★ across 28 rated IT firms.

Most of this list also appears on the Network cabling and installation companies in London ranking. See Network cabling and installation companies in London

Top 10 network cabling and installation companies in St. Thomas at a glance

Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.

Top 10 network cabling and installation companies in St. Thomas at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1WireMasters615.0★ (14)St. Thomas—Overall
2ACE I.T. Canada585.0★ (70)London, 26 km awaySat · Sun · Evenings—
3Tikom Technologies585.0★ (24)London, 30 km awayEvenings—
4North Shield Technology585.0★ (100)London, 25 km awaySat · Sun · Evenings—
5POYNT360564.8★ (214)London, 24 km away—Most reviews
6Ramkey Communications Inc552.7★ (29)London, 11 km away——
7Silicon IT Inc.534.8★ (27)London, 24 km awaySat · Sun · Evenings—
8Demarcation Point - London Inc.534.7★ (3)London, 18 km away——
9ScottB.ca - Scott Bruder524.8★ (20)London, 18 km awaySat · Sun—
10CVN Computers525.0★ (43)London, 21 km awayEvenings—

The 28 best network cabling and installation companies in St. Thomas, ranked

Ordered by IFR Score, a 0–100 score from nine published factors. Paid placement never changes the order.

Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.

  1. Ranked #1 in St. Thomas

    Based in St. Thomas

    61/100IFR Score

    Ranked #1 because of its Google rating and service focus: 5.0★ from 14 Google reviews, listed on Google as “Telecommunications contractor”.

    Based on 7 of 9 factors; recency and availability not yet collected.

    • 5.0★ from 14 Google reviews
  2. Based in London, 26 km away

    58/100IFR Score

    Ranked #2 because of its Google rating and review volume: 5.0★ from 70 Google reviews.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 70 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    411 Industrial Rd Unit 6, London, ON N5V 3L3
  3. Based in London, 30 km away

    58/100IFR Score

    Ranked #3 because of its Google rating and service focus: 5.0★ from 24 Google reviews, listed on Google as “Computer networking service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 24 Google reviews
    Hours
    Mon–Fri 9 AM–7 PM · Sat–Sun closed
    Address
    1595 Capri Cres #60, London, ON N6G 3Y6
  4. Based in London, 25 km away

    58/100IFR Score

    Ranked #4 because of its Google rating and review volume: 5.0★ from 100 Google reviews.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 100 Google reviews
    Hours
    Mon–Fri 10 AM–8 PM · Sat–Sun 12 PM–8 PM
    Address
    1472 Dundas St E, London, ON N5W 3B9
  5. Based in London, 24 km away

    56/100IFR Score

    Ranked #5 because of its Google rating and review volume: 4.8★ from 214 Google reviews, the most in St. Thomas.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.8★ from 214 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    295 Waterloo St, London, ON N6B 2N5
  6. Based in London, 11 km away

    55/100IFR Score

    Ranked #6 because of its Google rating and service focus: 2.7★ from 29 Google reviews, listed on Google as “Telecommunications contractor”.

    Based on 8 of 9 factors; recency not yet collected.

    • 2.7★ from 29 Google reviews
    Hours
    Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
    Address
    3921 Glanworth Dr, London, ON N6L 1J5
  7. Based in London, 24 km away

    53/100IFR Score

    Ranked #7 because of its Google rating and review volume: 4.8★ from 27 Google reviews.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.8★ from 27 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    Address
    636 Fieldgate Cir, London, ON N5V 5G1
  8. Based in London, 18 km away

    52/100IFR Score

    Ranked #9 because of its Google rating and review volume: 4.8★ from 20 Google reviews.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.8★ from 20 Google reviews
    Hours
    Mon–Sun 9 AM–5 PM
    Address
    12 Kintail Crescent, London, ON N6E 1J5
  9. Based in London, 21 km away

    52/100IFR Score

    Ranked #10 because of its Google rating and review volume: 5.0★ from 43 Google reviews.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 43 Google reviews
    Hours
    Mon–Fri 9 AM–7 PM · Sat–Sun closed
    Address
    615 Commissioners Rd E, London, ON N6C 2T9
  10. Based in St. Thomas

    51/100IFR Score

    Ranked #11 because of its Google rating and service focus: 5.0★ from 10 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Fri 10 AM–6:30 PM · Sat 1 PM–5 PM · Sun closed
    Address
    Oxford Terrace, St. Thomas, ON N5R 0H7
  11. Based in London, 28 km away

    50/100IFR Score

    Ranked #12 because of its Google rating and review volume: 4.6★ from 45 Google reviews.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.6★ from 45 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    Wyndham Gate, 1500 Richmond St Unit 8, London, ON N6G 4V1
  12. Based in St. Thomas

    50/100IFR Score

    Ranked #13 because of its Google rating and service focus: 5.0★ from 8 Google reviews, listed on Google as “Internet service provider”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 8 Google reviews
    Hours
    Mon closed · Tue–Fri 8 AM–6 PM · Sat 8 AM–4 PM · Sun closed
  13. Based in London, 23 km away

    48/100IFR Score

    Ranked #16 because of its Google rating and review volume: 5.0★ from 19 Google reviews.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 19 Google reviews
    Hours
    Mon–Tue 9:30 AM–5 PM · Wed–Sun closed
    Address
    2374 Wickerson Rd, London, ON N6K 0H6
  14. Based in London, 24 km away

    48/100IFR Score

    Ranked #17 because of its Google rating and review volume: 4.8★ from 16 Google reviews.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.8★ from 16 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    300 Wellington St UNIT 200, London, ON N6B 3P2
  15. Based in St. Thomas

    47/100IFR Score

    Ranked #19 because of its Google rating and service focus: 3.7★ from 3 Google reviews, listed on Google as “Internet marketing service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 3.7★ from 3 Google reviews
    Hours
    Mon–Fri 12 AM–12 AM · Sat–Sun closed
    Address
    925 Talbot St #2, St Thomas, ON N5P 1E6
  16. #20 DAGI

    Based in London, 18 km away

    47/100IFR Score

    Ranked #20 because of its Google rating and service focus: 5.0★ from 9 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 9 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    127 Consortium Ct, London, ON N6E 2S8
  17. Based in London, 25 km away

    47/100IFR Score

    Ranked #21 because of its Google rating and service focus: 5.0★ from 9 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 9 Google reviews
    Hours
    Mon–Fri 7:30 AM–5:30 PM · Sat–Sun closed
    Address
    496 Adelaide St N, London, ON N6B 3J2
  18. Based in London, 19 km away

    46/100IFR Score

    Ranked #22 because of its Google rating and service focus: 5.0★ from 6 Google reviews, listed on Google as “Computer security service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
    Address
    3232 White Oak Rd 3rd floor, London, ON N6E 1L8
  19. Based in London, 21 km away

    45/100IFR Score

    Ranked #23 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Fri 9 AM–7 PM · Sat–Sun closed
    Address
    615 Commissioners Rd E, London, ON N6C 2T9
  20. Based in London, 20 km away

    45/100IFR Score

    Ranked #24 because of its Google rating and service focus: 4.2★ from 5 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.2★ from 5 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    577 Upper Queen St, London, ON N6C 3T8
  21. Based in Woodstock, 55 km away

    45/100IFR Score

    Ranked #25 because of its Google rating and service focus: 5.0★ from 11 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 11 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
    Address
    470 Industrial Ave, Woodstock, ON N4S 7L1

How we ranked St. Thomas network cabling and installation companies

We scored 28 St. Thomas network cabling and installation companies on nine factors, weighted as shown. An IT firm is ranked when its service is confirmed and it has 3 or more Google reviews or a claimed profile. An IT firm with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 9, 2026.

Paid placement never changes a rank or score. Sponsored businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

IFR Score factors and weights
FactorWeightComputed fromIn St. Thomas data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Review volume15%Number of Google reviews, compared with the most-reviewed IT firm on the listMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday and 24/7 supportMeasured
Service focus15%How clearly the firm does this service (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The firm has claimed its IT Firms Ranked profile (free or paid earn the same)Measured
Partnered5%The firm links to IT Firms Ranked from its own website with our badge, checked periodicallyMeasured
Client reviews10%Verified client reviews collected by IT Firms Ranked: their rating and how many there areMeasured

How to choose a network cabling company

  1. Ask which licence, permits and inspections your job needs locally, and who arranges them.
  2. Ask for a site survey and a written quote that lists cable type, number of runs and testing.
  3. Make sure each run is tested and certified, and that you receive the results.
  4. Check whether the firm also installs and configures switches and Wi-Fi, or only the cabling.
  5. Ask for two or three references from clients of your size and industry, and call them.
  6. Get the scope, response times and price in writing before you sign, including how you leave and get your data back.

Questions to ask a network cabling company

  • Which licence do you hold for low-voltage work here, and will you pull the permit?
  • Which cable category and brand do you install, and is there a manufacturer warranty?
  • Will every run be tested and labelled, and will we receive the test results?
  • Who handles the network equipment and Wi-Fi after the cabling is in?
  • How do you handle work in occupied offices or after hours?

Terms explained

MSP (managed service provider)
A firm that runs a business’s IT for a recurring fee: monitoring, patching, help desk, backups and security tools.
Co-managed IT
An arrangement where an outside firm supports an in-house IT person or team, sharing tools and tasks.
Break-fix
IT support paid per incident or per hour, with no monthly agreement.
SLA (service-level agreement)
The contract terms for response and resolution times, uptime and support hours.
Help desk
The support line staff call or email for IT problems.
RMM
Remote monitoring and management software that lets an IT firm watch, patch and fix computers remotely.
vCIO
A virtual chief information officer: part-time IT strategy and budgeting from an outside firm.
MSSP
A managed security service provider: a firm that monitors and manages security tools around the clock.
EDR / MDR
Endpoint detection and response software, and the managed service of people watching its alerts (managed detection and response).
MFA
Multi-factor authentication: a second proof of identity, such as an app prompt, on top of a password.
Penetration test
An authorised, simulated attack on your systems to find weaknesses before criminals do.
SOC 2
An independent auditor’s report (AICPA standard) on a service provider’s security controls.

Network cabling and installation companies in St. Thomas: frequently asked questions

Who is the best network cabling company in St. Thomas?

By IFR Score, the highest-ranked network cabling company in St. Thomas, ON is WireMasters with an IFR Score of 61/100. It has 5.0★ from 14 Google reviews. ACE I.T. Canada (#2) and Tikom Technologies (#3) follow. We ranked 28 network cabling and installation companies on nine factors, last updated November 9, 2026.

How many network cabling and installation companies are there in St. Thomas?

ITFirmsRanked ranks 28 network cabling and installation companies serving St. Thomas, ON. 7 of them are based in St. Thomas; the rest serve it from nearby towns. Counts are as of November 2026.

Which network cabling and installation companies in St. Thomas work on weekends?

6 of 28 ranked network cabling and installation companies post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are ACE I.T. Canada (#2), North Shield Technology (#4) and Silicon IT Inc. (#7). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do St. Thomas network cabling and installation companies have?

The median Google rating among 28 rated network cabling and installation companies in St. Thomas is 5.0★, with a median of 10 reviews. POYNT360 has the most, 214 reviews, and ranks #5. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ITFirmsRanked rank network cabling and installation companies?

Each network cabling company gets a 0–100 IFR Score from nine published factors, led by reputation (25%), review volume (15%), service focus (15%) and recency (10%). An IT firm with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only IT firms with a confirmed service and 3 or more reviews, or a claimed profile, are ranked.

Do network cabling and installation companies outside St. Thomas count in this ranking?

Yes, if they are within 64 km of the St. Thomas city centre, our service radius for network cabling and installation companies. Each listing shows where the IT firm is based and how far away it is. Proximity is 5% of the IFR Score, so a nearby IT firm gets a small edge.

Can network cabling and installation companies pay to rank higher on ITFirmsRanked?

No. The IFR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured IT firms may appear above the list, labelled Sponsored and showing their honest rank.

What does a network cabling company do?

Network cabling companies design and install structured cabling (Cat6, fibre), racks, Wi-Fi access points and network equipment in offices, warehouses and new buildings.

How are network cabling and installation companies in St. Thomas ranked?

By IFR Score: Google rating and review volume, recent reviews, opening hours, how clearly the firm does network cabling and installation, distance, a claimed profile, our badge and verified client reviews. Sponsored placements never change the order.

Does network cabling need a licence?

It depends on where you are. Some states and provinces license low-voltage or limited-energy work (California’s C-7 low voltage classification and Washington’s limited energy specialty are examples) and many cities require permits. Ask the firm which licence and permits apply to your job.

What should we get when the cabling is finished?

Labelled cables and patch panels, test results for every run and a floor plan showing where each run goes. Those records make later changes and fault-finding much faster.

Update log for St. Thomas

  1. November 2026: IFR Scores recalculated for 28 network cabling and installation companies serving St. Thomas.
  2. November 2026: 1 duplicate listing merged.