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Best Managed IT Service Providers in Madison, CT (2026)

319 managed IT service providers ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Madison: Enterprise Computer, LLC, IFR Score 64/100; 4.7★ from 199 Google reviews; open Saturdays until 1 PM.

  2. 28

    Most-reviewed: iFixScreens Riverhead, 805 Google reviews at 4.6★, the most of 319 ranked; ranked #28.

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

319 Madison managed IT service providers are ranked here by IFR Score, from nine published factors. 141 open Saturdays and 85 open Sundays, based on posted hours. The median Google rating is 5.0★ across 319 rated IT firms.

Top 10 managed IT service providers in Madison at a glance

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

Top 10 managed IT service providers in Madison at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1Enterprise Computer, LLC644.7★ (199)Branford, 3 mi awaySatOverall
2Vancord635.0★ (75)City of Milford (balance), 25 mi awaySat · Sun · Evenings—
3CorCystems Managed IT Services635.0★ (152)Danbury, 46 mi awaySat · Sun · Evenings—
4Charles IT624.8★ (57)Middletown, 19 mi awaySat · Sun · Evenings—
5Entirtek625.0★ (58)Oxford, 31 mi awaySat · Sun · Evenings—
6TeleData Services, LLC.614.9★ (90)Hauppauge, 44 mi awaySat · Sun · Evenings—
7CR Computer604.8★ (72)Ronkonkoma, 44 mi awaySat · Sun · Evenings—
8Managed By CST605.0★ (103)Wallingford, 18 mi away——
9OGS Technology604.7★ (28)Branford, 11 mi awaySat · Sun · Evenings—
10EVERNET604.9★ (67)Hartford, 34 mi awaySat · Sun—

The 319 best managed IT service providers in Madison, 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 Madison

    Based in Branford, 3 mi away

    64/100IFR Score

    Ranked #1 because of its Google rating and service focus: 4.7★ from 199 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.7★ from 199 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat 9 AM–1 PM · Sun closed
    Address
    83 W Main St #1, Clinton, CT 06413
  2. Based in City of Milford (balance), 25 mi away

    63/100IFR Score

    Ranked #2 because of its Google rating and service focus: 5.0★ from 75 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 75 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    500 Boston Post Rd, Milford, CT 06460
  3. Based in Middletown, 19 mi away

    62/100IFR Score

    Ranked #4 because of its Google rating and service focus: 4.8★ from 57 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.8★ from 57 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    10 Main St, Middletown, CT 06457
  4. Based in Oxford, 31 mi away

    62/100IFR Score

    Ranked #5 because of its Google rating and service focus: 5.0★ from 58 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 58 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    178 Christian St, Oxford, CT 06478
  5. Based in Hauppauge, 44 mi away

    61/100IFR Score

    Ranked #6 because of its Google rating and service focus: 4.9★ from 90 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.9★ from 90 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    527 Townline Rd Ste 206, Hauppauge, NY 11788
  6. Based in Ronkonkoma, 44 mi away

    60/100IFR Score

    Ranked #7 because of its Google rating and service focus: 4.8★ from 72 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.8★ from 72 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    142-1 Remington Blvd, Ronkonkoma, NY 11779
  7. Based in Wallingford, 18 mi away

    60/100IFR Score

    Ranked #8 because of its Google rating and service focus: 5.0★ from 103 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 103 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    65 N Plains Industrial Rd, Wallingford, CT 06492
  8. Based in Branford, 11 mi away

    60/100IFR Score

    Ranked #9 because of its Google rating and service focus: 4.7★ from 28 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.7★ from 28 Google reviews
    Hours
    Mon–Sun 7 AM–10 PM
    Address
    155 Meadow St, Branford, CT 06405
  9. Based in Hartford, 34 mi away

    60/100IFR Score

    Ranked #10 because of its Google rating and service focus: 4.9★ from 67 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.9★ from 67 Google reviews
    Hours
    Mon–Sun 9 AM–5 PM
    Address
    100 Pearl St 14th Fl, Hartford, CT 06103
  10. Based in Hamden, 18 mi away

    60/100IFR Score

    Ranked #11 because of its Google rating and service focus: 4.9★ from 116 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.9★ from 116 Google reviews
    Hours
    Mon closed · Tue–Fri 8:30 AM–5:30 PM · Sat–Sun closed
    Address
    parking lot entrance is at, 496 Newhall St, 265 Morse St, Hamden, CT 06517
  11. Based in City of Milford (balance), 24 mi away

    60/100IFR Score

    Ranked #12 because of its Google rating and service focus: 4.9★ from 126 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.9★ from 126 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
    Address
    54 Darina Pl, Milford, CT 06460
  12. Based in Hauppauge, 47 mi away

    59/100IFR Score

    Ranked #13 because of its Google rating and service focus: 5.0★ from 77 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 77 Google reviews
    Hours
    Mon–Fri 7 AM–9 PM · Sat–Sun 9 AM–9 PM
    Address
    80 Arkay Dr Ste 210, Hauppauge, NY 11788
  13. Based in Norwalk, 44 mi away

    59/100IFR Score

    Ranked #15 because of its Google rating and service focus: 5.0★ from 227 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 227 Google reviews
    Hours
    Mon–Tue 9 AM–5 PM · Wed closed · Thu–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    7 N Water St, Norwalk, CT 06854
  14. Based in Wallingford, 17 mi away

    59/100IFR Score

    Ranked #16 because of its Google rating and service focus: 4.6★ from 52 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.6★ from 52 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 9 AM–12 PM · Sun closed
    Address
    15 S Elm St, Wallingford, CT 06492
  15. Based in Waterbury, 30 mi away

    59/100IFR Score

    Ranked #17 because of its Google rating and service focus: 4.9★ from 47 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.9★ from 47 Google reviews
    Address
    76 S Main St, Waterbury, CT 06706
  16. #18 CTS

    Based in Hartford, 34 mi away

    59/100IFR Score

    Ranked #18 because of its Google rating and service focus: 5.0★ from 20 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 20 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    750 Main St #100, Hartford, CT 06103
  17. Based in Norwalk, 44 mi away

    58/100IFR Score

    Ranked #20 because of its Google rating and service focus: 5.0★ from 28 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 28 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    100 Seaview Ave Unit 4E, Norwalk, CT 06855
  18. Based in Danbury, 46 mi away

    58/100IFR Score

    Ranked #21 because of its Google rating and service focus: 5.0★ from 159 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 159 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    11 Lake Ave Ext Ste 201, Danbury, CT 06811
  19. Based in Hauppauge, 47 mi away

    58/100IFR Score

    Ranked #23 because of its Google rating and service focus: 5.0★ from 89 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 89 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 9 AM–3 PM · Sun closed
    Address
    335 Oser Ave, Hauppauge, NY 11788
  20. Based in Cheshire, 24 mi away

    58/100IFR Score

    Ranked #24 because of its Google rating and service focus: 5.0★ from 57 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 57 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    120 Commerce Ct Floor 2, Cheshire, CT 06410
  21. Based in Manchester, 36 mi away

    58/100IFR Score

    Ranked #25 because of its Google rating and service focus: 4.9★ from 111 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.9★ from 111 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
    Address
    52 Main St, Manchester, CT 06042

Managed IT service providers 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 319 ranked managed IT service providers here; the rest are on their profiles.

managed IT service providers in Madison, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26GCS COMPUTER LLC584.6★ (496)25 mi
27Kelser Corporation584.9★ (79)30 mi
28iFixScreens Riverhead584.6★ (805)24 mi
29Lyme PC Repair585.0★ (38)18 mi
30Nwaj Tech574.9★ (17)14 mi
31Grey Matter Technologies574.9★ (44)34 mi
32AmaTech Solutions, LLC575.0★ (22)7 mi
33FOXPOWERIT574.9★ (62)30 mi
34Nerds That Care574.8★ (64)47 mi
35iFixScreens Mount Sinai574.8★ (555)33 mi
36Protech IT Solutions: Torrington IT Services & IT Support Company in Connecticut574.9★ (18)46 mi
37iFixScreens Lake Grove574.8★ (702)40 mi
38East Coast Technology Connection LLC575.0★ (3)In Madison
39Edge Tech NY - Long Island IT Support575.0★ (28)35 mi
40IT HQ Corporation565.0★ (15)46 mi
41Apex Technology Services565.0★ (23)46 mi
42MrTechPro564.9★ (399)35 mi
43Flexible IT564.9★ (73)47 mi
44Peralta IT Solutions, LLC565.0★ (13)35 mi
45iFixScreens Bohemia564.9★ (565)45 mi
46Healthy IT, Inc.565.0★ (78)49 mi
47Computer Design Center565.0★ (18)13 mi
48iFixScreens Shirley564.6★ (660)36 mi
49iFixScreens Central Islip564.8★ (684)47 mi
50Mega Information Technology , Managed IT Solutions565.0★ (6)19 mi

Also serving Madison

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

Unranked managed IT service providers serving Madison
BusinessGoogle ratingDistance
Absolute CaptureIn Madison
ALLCLEAR TECH5.0★ (2)27 mi
Barnett Technologies5.0★ (2)21 mi
Boot Once Inc.5.0★ (2)27 mi
Digital Assistance LLCIn Madison
Diversified Telecom Group3.7★ (3)In Madison
doctorJonesIn Madison
FastByte LLC5.0★ (1)In Madison
HiGeer Inc5.0★ (2)27 mi
Identity Protection Planning - Cyber Dana5.0★ (34)In Madison
Integrated Design ServicesIn Madison
Nexus Dynamics GroupIn Madison
Rainman Technologies5.0★ (5)In Madison
Shell Systems LLC5.0★ (2)26 mi
Shoreline IT Services, LLC5.0★ (2)25 mi
Sound Computers5.0★ (2)In Madison
Source ConsultingIn Madison
TechingIT, Inc.5.0★ (2)27 mi
TidalPath Technology Services5.0★ (2)27 mi
VeeRia Consulting LLCIn Madison

How we ranked Madison managed IT service providers

We scored 319 Madison managed IT service providers 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 Madison 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 managed IT service provider

  1. Ask for a sample service-level agreement and compare response times, support hours and exclusions.
  2. Check how backups are done and tested, and ask when they last restored a client’s data.
  3. Ask which security tools are included and which cost extra (MFA, endpoint protection, email filtering, staff training).
  4. Make sure you, not the firm, own your accounts, domain names and licences.
  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 managed IT service provider

  • Is the price per user, per device or a bundle, and what is not included?
  • What are your response times for urgent, normal and low-priority tickets?
  • Is your help desk in-house or outsourced, and what are its hours?
  • How do you back up our data, how often do you test restores, and where are the copies kept?
  • Which security tools are included, and do you monitor alerts after hours?
  • What happens to our passwords, documentation and data if we leave?
  • Can you give us references from clients of our size and industry?

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.

Managed IT service providers in Madison: frequently asked questions

Who is the best managed IT service provider in Madison?

By IFR Score, the highest-ranked managed IT service provider in Madison, CT is Enterprise Computer, LLC with an IFR Score of 64/100. It has 4.7★ from 199 Google reviews. It is open Saturdays until 1 PM. Vancord (#2) and CorCystems Managed IT Services (#3) follow. We ranked 319 managed IT service providers on nine factors, last updated November 9, 2026.

How many managed IT service providers are there in Madison?

ITFirmsRanked ranks 319 managed IT service providers serving Madison, CT. 1 of them is based in Madison; the rest serve it from nearby towns. Another 20 within 50 mi are listed but not ranked yet. Counts are as of November 2026.

Which managed IT service providers in Madison work on weekends?

141 of 319 ranked managed IT service providers post Saturday hours and 85 post Sunday hours. The highest-ranked open Saturdays are Enterprise Computer, LLC (#1), Vancord (#2) and CorCystems Managed IT Services (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Madison managed IT service providers have?

The median Google rating among 319 rated managed IT service providers in Madison is 5.0★, with a median of 15 reviews. iFixScreens Riverhead has the most, 805 reviews, and ranks #28. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ITFirmsRanked rank managed IT service providers?

Each managed IT service provider 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 managed IT service providers outside Madison count in this ranking?

Yes, if they are within 50 mi of the Madison city center, our service radius for managed IT service providers. 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 managed IT service providers 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 managed IT service provider do?

Managed IT service providers (MSPs) run a business’s computers, servers, network, Microsoft 365 or Google accounts, backups and help desk for a monthly fee, or provide IT support by the hour.

How are managed it service providers in Madison ranked?

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

What should a managed IT agreement include?

At minimum: help desk support for your staff, monitoring and patching of computers and servers, backups that are tested, security tools such as endpoint protection and multi-factor authentication, and a named contact. The agreement should state response times, support hours and what counts as out of scope.

Is managed IT priced per user or per device?

Both models are common, and some firms sell tiered bundles. Per-user pricing suits staff with several devices; per-device pricing suits shared computers. Compare quotes on the same number of users, devices and servers.

How long are managed IT contracts?

Often one to three years, sometimes month to month. Check the notice period, any early-termination fee and how the firm hands over passwords, documentation and data when the contract ends.

Update log for Madison

  1. November 2026: IFR Scores recalculated for 319 managed IT service providers serving Madison.
  2. November 2026: 4 duplicate listings merged.