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Best IT Consultants in Greenwich, CT (2026)

846 IT consultants ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Greenwich: 2M Enterprise LLC, IFR Score 65/100; 5.0★ from 126 Google reviews; open 7 days a week.

  2. 9

    Most-reviewed: Computuners - Computer Services, 808 Google reviews at 5.0★, the most of 846 ranked; ranked #9.

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

846 Greenwich IT consultants are ranked here by IFR Score, from nine published factors. 354 open Saturdays and 246 open Sundays, based on posted hours. The median Google rating is 5.0★ across 846 rated IT firms.

Top 10 IT consultants in Greenwich at a glance

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

Top 10 IT consultants in Greenwich at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
12M Enterprise LLC655.0★ (126)Hauppauge, 24 mi awaySat · Sun · EveningsOverall
2Geek-Aid IT Company - Business IT Support Services NYC644.9★ (146)New York City, 26 mi awaySat · Sun · Evenings—
3Imagis625.0★ (60)New York City, 27 mi awaySat · Sun · Evenings—
4BlackHawk Data614.9★ (46)New York City, 27 mi awaySat · Sun · Evenings—
5smartIT LLC614.8★ (50)Bay Shore, 26 mi awaySat · Sun · Evenings—
6ESoftware Associates, Inc - Microsoft 365, SharePoint, Copilot & Power Platform Experts615.0★ (38)New York City, 27 mi awaySat · Sun · Evenings—
7RDE Technologies604.9★ (92)Oceanside, 28 mi awayEvenings—
8Kamcrest LLC604.9★ (93)New York City, 27 mi awaySat—
9Computuners - Computer Services605.0★ (808)Nanuet, 21 mi awaySat · Sun · EveningsMost reviews
10Technology Sandbox605.0★ (22)Tarrytown, 11 mi awaySat · Sun · Evenings—

The 846 best IT consultants 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.

  1. Ranked #1 in Greenwich

    Based in Hauppauge, 24 mi away

    65/100IFR Score

    Ranked #1 because of its Google rating and service focus: 5.0★ from 126 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 126 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    100 Motor Pkwy LL106, Hauppauge, NY 11788
  2. Based in New York City, 27 mi away

    62/100IFR Score

    Ranked #3 because of its Google rating and service focus: 5.0★ from 60 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 60 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    1460 Broadway, New York, NY 10036
  3. Based in New York City, 27 mi away

    61/100IFR Score

    Ranked #4 because of its Google rating and service focus: 4.9★ from 46 Google reviews, listed on Google as “Computer consultant”.

    • 4.9★ from 46 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    505 8th Ave #303, New York, NY 10018
  4. Based in Bay Shore, 26 mi away

    61/100IFR Score

    Ranked #5 because of its Google rating and service focus: 4.8★ from 50 Google reviews, listed on Google as “Computer consultant”.

    • 4.8★ from 50 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    12 Wisconsin Ct, Bay Shore, NY 11706
  5. Based in Oceanside, 28 mi away

    60/100IFR Score

    Ranked #7 because of its Google rating and service focus: 4.9★ from 92 Google reviews, listed on Google as “Computer consultant”.

    • 4.9★ from 92 Google reviews
    Hours
    Mon–Thu 12 AM–12 AM · Fri 7 AM–4:30 PM · Sat–Sun closed
    Address
    3539 Hampton Rd, Oceanside, NY 11572
  6. Based in New York City, 27 mi away

    60/100IFR Score

    Ranked #8 because of its Google rating and service focus: 4.9★ from 93 Google reviews, listed on Google as “Computer consultant”.

    • 4.9★ from 93 Google reviews
    Hours
    Mon–Sat 9 AM–6 PM · Sun closed
    Address
    136 Madison Ave 5th fl, New York, NY 10016
  7. Based in Tarrytown, 11 mi away

    60/100IFR Score

    Ranked #10 because of its Google rating and service focus: 5.0★ from 22 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 22 Google reviews
    Hours
    Mon–Sun 10 AM–7 PM
    Address
    520 White Plains Rd #500, Tarrytown, NY 10591
  8. Based in Hauppauge, 24 mi away

    60/100IFR Score

    Ranked #11 because of its Google rating and service focus: 5.0★ from 116 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 116 Google reviews
    Hours
    Mon–Fri 8:30 AM–5:30 PM · Sat–Sun closed
    Address
    140 Adams Ave B10, Hauppauge, NY 11788
  9. Based in Wantagh, 25 mi away

    60/100IFR Score

    Ranked #12 because of its Google rating and service focus: 5.0★ from 106 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 106 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    1866 Seaford Ave #101, Wantagh, NY 11793
  10. Based in Long Island City, 23 mi away

    59/100IFR Score

    Ranked #13 because of its Google rating and service focus: 5.0★ from 93 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 93 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    25-21 49th St, Long Island City, NY 11103
  11. Based in New York City, 26 mi away

    59/100IFR Score

    Ranked #14 because of its Google rating and service focus: 4.9★ from 95 Google reviews, listed on Google as “Computer consultant”.

    • 4.9★ from 95 Google reviews
    Hours
    Mon–Fri 8 AM–8 PM · Sat–Sun closed
    Address
    330 Madison Ave, New York, NY 10017
  12. Based in Rye, 4 mi away

    59/100IFR Score

    Ranked #16 because of its Google rating and service focus: 5.0★ from 22 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 22 Google reviews
    Hours
    Mon–Thu 9:30 AM–5:30 PM · Fri 9:30 AM–4:45 PM · Sat 9:30 AM–11 AM · Sun closed
    Address
    41 Purdy Ave #611, Rye, NY 10580
  13. 59/100IFR Score

    Ranked #19 because of its Google rating and service focus: 5.0★ from 10 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    1 Blue Hill Plaza lobby level suite 1509, Pearl River, NY 10965
  14. Based in Stamford, 4 mi away

    59/100IFR Score

    Ranked #21 because of its Google rating and service focus: 4.5★ from 10 Google reviews, listed on Google as “Computer consultant”.

    • 4.5★ from 10 Google reviews
    Hours
    Mon–Fri 7 AM–10 PM · Sat–Sun 9 AM–9 PM
    Address
    470 West Ave #2000, Stamford, CT 06902
  15. Based in Stamford, 7 mi away

    59/100IFR Score

    Ranked #22 because of its Google rating and service focus: 5.0★ from 34 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 34 Google reviews
    Hours
    Mon–Fri 9:30 AM–5:30 PM · Sat–Sun closed
    Address
    28 Branch Ln, Stamford, CT 06903
  16. Based in Brooklyn, 29 mi away

    58/100IFR Score

    Ranked #23 because of its Google rating and review volume: 5.0★ from 346 Google reviews.

    • 5.0★ from 346 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    399 Sands St Suite 703, Brooklyn, NY 11201
  17. Based in Norwalk, 10 mi away

    58/100IFR Score

    Ranked #24 because of its Google rating and service focus: 4.9★ from 40 Google reviews, listed on Google as “Computer consultant”.

    • 4.9★ from 40 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    800 Connecticut Ave, Norwalk, CT 06854

IT consultants 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 846 ranked IT consultants here; the rest are on their profiles.

IT consultants in Greenwich, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26The Tech Guys Pro Computer IT Services584.9★ (262)21 mi
27The MACaholic Consulting Service585.0★ (21)28 mi
28Lentner Technology585.0★ (26)3 mi
29SSN LAPTOPS AND iPHONE REPAIRS INC.584.8★ (579)24 mi
30JKP Technologies585.0★ (26)5 mi
31Repair Tech Kings - #1 Best Rated CellPhone Store584.6★ (537)14 mi
32Sorbis585.0★ (10)27 mi
33New York Computer Help584.8★ (635)27 mi
34Integrated Computer Services – Managed IT Services & Cybersecurity575.0★ (216)27 mi
35Computer Repair technology574.9★ (233)26 mi
36XCUBICLE - Tech Repairs574.7★ (394)30 mi
37KJ Technology575.0★ (47)27 mi
38CompassMSP575.0★ (21)27 mi
39Alpha IT Services575.0★ (44)42 mi
40Brooklyn Tech Guy575.0★ (54)31 mi
41CorCystems Managed IT Services575.0★ (152)22 mi
42Tech Whisperer NYC - Computer Help575.0★ (13)27 mi
43Atlas Technica574.2★ (9)26 mi
44TAG Boro Park574.2★ (118)33 mi
45eMazzanti Technologies574.9★ (216)29 mi
46Henry's Computer Solutions575.0★ (315)14 mi
47New Vision Technologies575.0★ (11)16 mi
48Dental Hi-Tech Management, Inc575.0★ (102)16 mi
49WeFixMax Computer And Phone Repair - MaxisPlay574.9★ (579)39 mi
50Invenio IT575.0★ (41)27 mi

Also serving Greenwich

20 more IT consultants within 50 mi that we can't rank yet: too few reviews, or a service we couldn't confirm. Listed A to Z.

Unranked IT consultants serving Greenwich
BusinessGoogle ratingDistance
Advanced Technologies Group Inc.5.0★ (2)11 mi
Citadel Blue | Business IT Professional Services & Support in Greenwich, CT4.9★ (10)In Greenwich
Comlab Systems Inc5.0★ (2)10 mi
Computer Emporium4.4★ (7)In Greenwich
Edu Tek Ltd5.0★ (2)8 mi
Effin Computers, LLC5.0★ (2)6 mi
Fix my Tech CT5.0★ (3)In Greenwich
Glenville Tech. LLC.5.0★ (1)In Greenwich
International Computer ConsultingIn Greenwich
IT Technology5.0★ (1)In Greenwich
Lan & PC Services Inc5.0★ (9)In Greenwich
Mark-IT-Able SolutionsIn Greenwich
PC Home Solutions5.0★ (2)5 mi
PCHS, LLCIn Greenwich
ProTech IT Solutions | New York IT Support & Managed IT Services Company in White Plains5.0★ (2)8 mi
SWK Technologies Inc5.0★ (1)In Greenwich
TeamLogic IT5.0★ (1)In Greenwich
TeamLogic IT5.0★ (2)5 mi
Tiger Team OperationsIn Greenwich
WM Computer ServicesIn Greenwich

How we ranked Greenwich IT consultants

We scored 846 Greenwich IT consultants 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 Greenwich 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 an IT consultant

  1. Ask whether the consultant earns commissions or referral fees on products they recommend.
  2. Check experience with projects like yours, and ask for a sample deliverable.
  3. Agree the deliverables, timeline and price for each phase before work starts.
  4. Ask for two or three references from clients of your size and industry, and call them.
  5. Get the scope, response times and price in writing before you sign, including how you leave and get your data back.

Questions to ask an IT consultant

  • Do you receive commissions from any vendor you might recommend?
  • What will we receive at the end of the project?
  • Who will do the work, and what similar projects have they completed?
  • Do you bill hourly, per project or on retainer?
  • Will you work alongside our current IT provider?

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.

IT consultants in Greenwich: frequently asked questions

Who is the best IT consultant in Greenwich?

By IFR Score, the highest-ranked IT consultant in Greenwich, CT is 2M Enterprise LLC with an IFR Score of 65/100. It has 5.0★ from 126 Google reviews. It is open 7 days a week. Geek-Aid IT Company - Business IT Support Services NYC (#2) and Imagis (#3) follow. We ranked 846 IT consultants on nine factors, last updated November 9, 2026.

How many IT consultants are there in Greenwich?

ITFirmsRanked ranks 846 IT consultants serving Greenwich, CT. Another 20 within 50 mi are listed but not ranked yet. Counts are as of November 2026.

Which IT consultants in Greenwich work on weekends?

354 of 846 ranked IT consultants post Saturday hours and 246 post Sunday hours. The highest-ranked open Saturdays are 2M Enterprise LLC (#1), Geek-Aid IT Company - Business IT Support Services NYC (#2) and Imagis (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Greenwich IT consultants have?

The median Google rating among 846 rated IT consultants in Greenwich is 5.0★, with a median of 13 reviews. Computuners - Computer Services has the most, 808 reviews, and ranks #9. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ITFirmsRanked rank IT consultants?

Each IT consultant 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 IT consultants outside Greenwich count in this ranking?

Yes, if they are within 50 mi of the Greenwich city center, our service radius for IT consultants. 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 IT consultants 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 an IT consultant do?

IT consultants advise on technology plans and projects: system selection, cloud migrations, budgets, security and compliance programmes, often as a part-time or virtual CIO.

How are it consultants in Greenwich ranked?

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

When does a business need an IT consultant rather than an IT provider?

For decisions and projects rather than day-to-day support: choosing a new system, planning a cloud move, setting an IT budget, preparing for an audit or reviewing an existing IT provider.

How do IT consultants charge?

By the hour, by the project or on a monthly retainer for ongoing virtual CIO work. Ask for a fixed price or a capped estimate on defined projects.

Update log for Greenwich

  1. November 2026: IFR Scores recalculated for 846 IT consultants serving Greenwich.
  2. November 2026: 5 duplicate listings merged.