62/100IFR Score
Ranked #1 because of its Google rating and service focus: 5.0★ from 50 Google reviews, listed on Google as “Computer networking service”.
Best Network Cabling And Installation Companies in Greenwich, CT (2026)
457 network cabling and installation companies ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Greenwich: Westchester IT Service Corp., IFR Score 62/100; 5.0★ from 50 Google reviews; open 7 days a week.
- 4
Most-reviewed: Computuners - Computer Services, 808 Google reviews at 5.0★, the most of 457 ranked; ranked #4.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
457 Greenwich network cabling and installation companies are ranked here by IFR Score, from nine published factors. 212 open Saturdays and 161 open Sundays, based on posted hours. The median Google rating is 5.0★ across 457 rated IT firms.
Top 10 network cabling and installation companies in Greenwich at a glance
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
| Rank | Business | IFR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Westchester IT Service Corp. | 62 | 5.0★ (50) | Eastchester, 8 mi away | Sat · Sun · Evenings | Overall |
| 2 | Bluefactor Computer Repair | 61 | 5.0★ (27) | Greenwich | Sat · Evenings | — |
| 3 | Motiva Networks | 60 | 5.0★ (526) | Garden City, 20 mi away | Sat · Sun · Evenings | — |
| 4 | Computuners - Computer Services | 60 | 5.0★ (808) | Nanuet, 21 mi away | Sat · Sun · Evenings | Most reviews |
| 5 | Quantum Communications LLC | 59 | 5.0★ (38) | New York City, 26 mi away | Sat · Sun · Evenings | — |
| 6 | GSR IT Consultants LLC | 59 | 5.0★ (28) | Brooklyn, 35 mi away | Sat · Sun · Evenings | — |
| 7 | 24x7 Voice & Data Inc. | 59 | 5.0★ (14) | Arverne, 23 mi away | Sat · Sun · Evenings | — |
| 8 | CELL & PC SOLUTIONS | 58 | 5.0★ (718) | Union City, 28 mi away | Sat · Sun · Evenings | — |
| 9 | XSolutions Consulting Services LLC | 58 | 5.0★ (247) | New City, 21 mi away | Sat · Sun · Evenings | — |
| 10 | TechsonDuty - Network Cabling Long Island, IT Services, Security Camera Installation | 58 | 4.7★ (24) | Valley Stream, 24 mi away | Sat · Sun · Evenings | — |
The 457 best network cabling and installation companies in Greenwich, 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.
Scores below: based on 8 of 9 factors; recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Greenwich
61/100IFR ScoreRanked #2 because of its Google rating and service focus: 5.0★ from 27 Google reviews, listed on Google as “Computer networking service”.
Based in Garden City, 20 mi away
60/100IFR ScoreRanked #3 because of its Google rating and review volume: 5.0★ from 526 Google reviews.
Based in Nanuet, 21 mi away
60/100IFR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 808 Google reviews, the most in Greenwich.
Based in New York City, 26 mi away
59/100IFR ScoreRanked #5 because of its Google rating and service focus: 5.0★ from 38 Google reviews, listed on Google as “Telecommunications contractor”.
Based in Brooklyn, 35 mi away
59/100IFR ScoreRanked #6 because of its Google rating and service focus: 5.0★ from 28 Google reviews, listed on Google as “Computer networking service”.
Based in Arverne, 23 mi away
59/100IFR ScoreRanked #7 because of its Google rating and service focus: 5.0★ from 14 Google reviews, listed on Google as “Telecommunications contractor”.
Based in Union City, 28 mi away
58/100IFR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 718 Google reviews.
Based in New City, 21 mi away
58/100IFR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 247 Google reviews.
Based in Valley Stream, 24 mi away
58/100IFR ScoreRanked #10 because of its Google rating and service focus: 4.7★ from 24 Google reviews, listed on Google as “Telecommunications contractor”.
Based in Coconut Creek, 25 mi away
58/100IFR ScoreRanked #11 because of its Google rating and service focus: 5.0★ from 11 Google reviews, listed on Google as “Telecommunications contractor”.
Based in Queens, 21 mi away
58/100IFR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 262 Google reviews.
Based in Brooklyn, 29 mi away
57/100IFR ScoreRanked #13 because of its Google rating and review volume: 4.8★ from 397 Google reviews.
Based in New York City, 27 mi away
57/100IFR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 635 Google reviews.
Based in Mamaroneck, 9 mi away
57/100IFR ScoreRanked #15 because of its Google rating and review volume: 4.8★ from 217 Google reviews.
Based in Greenburgh, 30 mi away
57/100IFR ScoreRanked #16 because of its Google rating and service focus: 5.0★ from 33 Google reviews, listed on Google as “Telecommunications contractor”.
Based in White Plains, 8 mi away
57/100IFR ScoreRanked #17 because of its Google rating and service focus: 5.0★ from 19 Google reviews, listed on Google as “Telecommunications contractor”.
Based in New York City, 30 mi away
57/100IFR ScoreRanked #18 because of its Google rating and service focus: 4.1★ from 47 Google reviews, listed on Google as “Telecommunications contractor”.
Based in Bohemia, 32 mi away
57/100IFR ScoreRanked #19 because of its Google rating and service focus: 5.0★ from 35 Google reviews, listed on Google as “Computer networking service”.
Based in Brooklyn, 31 mi away
57/100IFR ScoreRanked #20 because of its Google rating and service focus: 5.0★ from 63 Google reviews, listed on Google as “Telecommunications contractor”.
Based in Glen Rock, 27 mi away
57/100IFR ScoreRanked #21 because of its Google rating and review volume: 5.0★ from 216 Google reviews.
Based in Ozone Park, 26 mi away
57/100IFR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 233 Google reviews.
Based in Baychester, 18 mi away
57/100IFR ScoreRanked #23 because of its Google rating and review volume: 4.8★ from 635 Google reviews.
Based in Jericho, 18 mi away
56/100IFR ScoreRanked #24 because of its Google rating and review volume: 4.6★ from 228 Google reviews.
Based in Douglaston, 16 mi away
56/100IFR ScoreRanked #25 because of its Google rating and review volume: 5.0★ from 102 Google reviews.
Network cabling and installation companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in IFR Score order; each links to its profile. We publish the top 50 of 457 ranked network cabling and installation companies here; the rest are on their profiles.
Also serving Greenwich
20 more network cabling and installation companies within 40 mi that we can't rank yet: too few reviews, or a service we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Advanced Technologies Group Inc. | 5.0★ (2) | 11 mi |
| Beacon IT Solutions | 5.0★ (2) | 8 mi |
| Branded Mind | 5.0★ (2) | 7 mi |
| Citadel Blue | Business IT Professional Services & Support in Greenwich, CT | 4.9★ (10) | In Greenwich |
| CitySource Solutions | 4.5★ (2) | 13 mi |
| Comlab Systems Inc | 5.0★ (2) | 10 mi |
| Data Wire Solutions | 5.0★ (2) | 10 mi |
| EXEYE Software Tools Inc | 4.0★ (2) | 21 mi |
| Fix my Tech CT | 5.0★ (3) | In Greenwich |
| Glenville Tech. LLC. | 5.0★ (1) | In Greenwich |
| Neighbor Tech Inc. | 4.5★ (2) | 16 mi |
| One Stop Solution | 5.0★ (2) | 21 mi |
| PC Home Solutions | 5.0★ (2) | 5 mi |
| Prime Wire Networks Inc | 5.0★ (2) | 10 mi |
| ProTech IT Solutions | New York IT Support & Managed IT Services Company in White Plains | 5.0★ (2) | 8 mi |
| R3 Services | 5.0★ (2) | 12 mi |
| Real Life Logic | 5.0★ (2) | 18 mi |
| SigBridge, Inc. | 5.0★ (2) | 11 mi |
| TeamLogic IT | 5.0★ (1) | In Greenwich |
| VIRSIG, LLC. | 5.0★ (2) | 15 mi |
How we ranked Greenwich network cabling and installation companies
We scored 457 Greenwich 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.
| Factor | Weight | Computed from | In Greenwich data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Review volume | 15% | Number of Google reviews, compared with the most-reviewed IT firm on the list | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday and 24/7 support | Measured |
| Service focus | 15% | How clearly the firm does this service (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The firm has claimed its IT Firms Ranked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The firm links to IT Firms Ranked from its own website with our badge, checked periodically | Measured |
| Client reviews | 10% | Verified client reviews collected by IT Firms Ranked: their rating and how many there are | Measured |
How to choose a network cabling company
- Ask which licence, permits and inspections your job needs locally, and who arranges them.
- Ask for a site survey and a written quote that lists cable type, number of runs and testing.
- Make sure each run is tested and certified, and that you receive the results.
- Check whether the firm also installs and configures switches and Wi-Fi, or only the cabling.
- Ask for two or three references from clients of your size and industry, and call them.
- 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 Greenwich: frequently asked questions
Who is the best network cabling company in Greenwich?
By IFR Score, the highest-ranked network cabling company in Greenwich, CT is Westchester IT Service Corp. with an IFR Score of 62/100. It has 5.0★ from 50 Google reviews. It is open 7 days a week. Bluefactor Computer Repair (#2) and Motiva Networks (#3) follow. We ranked 457 network cabling and installation companies on nine factors, last updated November 9, 2026.
How many network cabling and installation companies are there in Greenwich?
ITFirmsRanked ranks 457 network cabling and installation companies serving Greenwich, CT. 1 of them is based in Greenwich; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.
Which network cabling and installation companies in Greenwich work on weekends?
212 of 457 ranked network cabling and installation companies post Saturday hours and 161 post Sunday hours. The highest-ranked open Saturdays are Westchester IT Service Corp. (#1), Bluefactor Computer Repair (#2) and Motiva Networks (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do Greenwich network cabling and installation companies have?
The median Google rating among 457 rated network cabling and installation companies in Greenwich is 5.0★, with a median of 14 reviews. Computuners - Computer Services has the most, 808 reviews, and ranks #4. 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 Greenwich count in this ranking?
Yes, if they are within 40 mi of the Greenwich city center, 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 Greenwich 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 Greenwich
- November 2026: IFR Scores recalculated for 457 network cabling and installation companies serving Greenwich.
- November 2026: 1 duplicate listing merged.
More network cabling and installation companies and Greenwich pages
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