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Castle Hill · Sydney, New South Wales · October 2026 figures

Best IT support & managed service providers in Castle Hill, NSW

The top-ranked IT support & managed service providers in Castle Hill are 4IT Support (5.0 from 38 reviews), Hotline IT (5.0 from 24 reviews) and IT First Responder (5.0 from 24 reviews). 12 are ranked here, in the order of the 562 on the Sydney list.

Ranked
12
Median rating
4.7
Reviews behind the list
202
Open Saturday
2 of 12

The ranked list

  1. Rank 1.

    4IT Support

    Castle Hill · #55 in Sydney · Computer service

    5.0 38 reviews Proven 4.66

  2. Rank 2.

    Hotline IT

    Castle Hill · #100 in Sydney · Computer support and services

    5.0 24 reviews Proven 4.54

    Opens early

  3. Rank 3.

    IT First Responder

    Castle Hill · #101 in Sydney · Computer support and services

    5.0 24 reviews Proven 4.54

  4. Rank 4.

    CyberPro Pty Ltd

    Castle Hill · #153 in Sydney · Computer support and services

    4.9 22 reviews Proven 4.47

  5. Rank 5.

    Teamwork Technology

    Castle Hill · #162 in Sydney · Computer support and services

    5.0 17 reviews Proven 4.46

  6. Rank 6.

    Correct Solutions Castle Hill

    Castle Hill · #329 in Sydney · Computer support and services

    4.5 24 reviews Proven 4.27

    Opens early

  7. Rank 7.

    Daraco IT Services

    Castle Hill · #359 in Sydney · Computer support and services

    4.9 7 reviews Proven 4.23

    Open 24/7

  8. Rank 8.

    IT&C Technology Solutions Provider

    Castle Hill · #463 in Sydney · Computer support and services

    4.3 17 reviews Proven 4.14

  9. Rank 9.

    Nortec IT

    Castle Hill · #505 in Sydney · Computer consultant

    4.2 10 reviews Proven 4.07

  10. Rank 10.

    JTC Technology

    Castle Hill · #516 in Sydney · Computer support and services

    4.2 5 reviews Proven 4.04

  11. Rank 11.

    Swift Computers

    Castle Hill · #535 in Sydney · Computer support and services

    3.8 9 reviews Proven 3.94

  12. Rank 12.

    JEM Computer Systems Pty Ltd

    Castle Hill · #542 in Sydney · Computer networking service

    3.2 5 reviews Proven 3.84

    Open 24/7

IT Support & Managed Service Providers in Castle Hill at a glance

  • 12 IT support & managed service providers in Castle Hill are ranked here, with 202 Google reviews between them and a median rating of 4.7.
  • 92% list a website and 100% a phone number on Google.
  • 2 of the 12 that list opening hours open on Saturday, and 2 on Sunday.
  • 2 list round-the-clock hours, every day of the week: Daraco IT Services and JEM Computer Systems Pty Ltd.
  • 4IT Support in Castle Hill has the most Google reviews (38), averaging 5.0.

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Questions

Who are the best IT support & managed service providers in Castle Hill?

The top-ranked IT support & managed service providers in Castle Hill are 4IT Support (5.0 from 38 reviews), Hotline IT (5.0 from 24 reviews) and IT First Responder (5.0 from 24 reviews). Each is ranked by proven rating, its Google rating weighted by the number of reviews behind it.

How many IT support & managed service providers are there in Castle Hill?

The Agentize Directory ranks 12 IT support & managed service providers in Castle Hill, each with a Google rating from at least five reviews. Their median rating is 4.7, from 202 reviews in all.

Which IT support & managed service providers in Castle Hill are open on weekends?

2 of the 12 that list hours on Google open on both Saturday and Sunday. The highest ranked of them are Daraco IT Services and JEM Computer Systems Pty Ltd.

Which IT support & managed service providers in Castle Hill are open 24 hours?

Daraco IT Services and JEM Computer Systems Pty Ltd list round-the-clock hours every day on Google. Call ahead to confirm.

Which IT support company in Castle Hill has the most reviews?

4IT Support has the most Google reviews of any IT support company ranked in Castle Hill: 38, averaging 5.0.

How is this list of IT support & managed service providers ranked?

Every list is ranked by proven rating: a business's Google rating weighted by the reviews behind it, so a perfect score from five reviews cannot outrank a near-perfect one from five hundred. How the ranking works.

Ratings and review counts are Google's, as listed in October 2026. Phone numbers, websites and opening hours are the ones each business lists on Google. No business is verified or endorsed by Agentize. How the ranking works.