Top Managed IT Companies in New York

Cornerstone.IT

Exceptional Managed Services. Extraordinary Attorney Experience.

✓ Verified Provider ⭐ 5.0/5 Stars Est. 2003
New York, NY
10–49 employees
Founded 2003
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Cornerstone.IT is a managed IT services provider based in New York, NY, operating since 2003. Across 8 verified Google reviews it averages 5.0 out of 5, a public track record you can weigh during diligence. It focuses on Managed IT Services, Cybersecurity, Cloud Services, Compliance & Risk. Compare it against other New York managed IT providers, then request a quote.

Vetted by the Best IT MSP editorial team · Last updated June 2026

About Cornerstone.IT

Cornerstone.IT is a managed IT and project services provider exclusively focused on small and mid-sized law firms since 2003, holding ISO 27001 certification and NIST 800-171 compliance.

Services Offered

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Managed IT Services
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Cybersecurity
☁️
Cloud Services
Compliance & Risk

Industries Served

⚖️ Legal

Why Choose Cornerstone.IT

5.0/5 From 8 Google Reviews

With 8 reviews averaging 5.0, Cornerstone.IT has a checkable public track record rather than marketing claims alone.

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Based in New York

Cornerstone.IT is headquartered in New York, NY, so New York businesses get a local team for on-site work instead of a distant call center.

Exclusive focus on small and mid-size law firms since 2003

Exclusive focus on small and mid-size law firms since 2003

ISO 27001 certified and NIST 800-171 compliant

ISO 27001 certified and NIST 800-171 compliant

Location

New York, NY

Certifications & Compliance

ISO 27001
NIST 800-171

Frequently Asked Questions

What do Cornerstone.IT reviews say?

Across 8 verified Google reviews, Cornerstone.IT averages 5.0 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does Cornerstone.IT provide?

Cornerstone.IT delivers Managed IT Services, Cybersecurity, Cloud Services, Compliance & Risk to organizations across New York, NY.

What area does Cornerstone.IT serve?

Cornerstone.IT is based in New York, NY and supports businesses across New York and the greater metro area.

When did Cornerstone.IT start?

Cornerstone.IT has been operating since 2003.

Is Cornerstone.IT certified?

Cornerstone.IT carries ISO 27001, NIST 800-171.