4.9 / 5 based on 91 happy customers

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  • Stop Wasting Time on IT Problems

Managed IT services

Diamond IT’s Managed IT services give you reliable technology, proactive support, and rock-solid cybersecurity—so your team can stay focused on the work that matters.

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  • Nationwide IT support available

20

Years in Business

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9.7/10

Client Satisfaction Rating

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99.99%

Average Client Uptime

  • Complete technology solutions for companies

IT services for professional service businesses

Fully managed IT

Let go of the tech stress. Diamond IT becomes your full-service IT department—handling everything from daily help desk support to strategic planning. We monitor your systems 24/7, prevent problems before they happen, and keep your infrastructure secure and aligned with your business goals. This isn’t reactive support; it’s proactive partnership.

  • Fixed-fee pricing structure for predictable monthly IT costs
  • Dedicated team of IT professionals who know your business
  • Rapid response times with on-site support when needed
  • Regular system updates and patch management

Leave IT to us

Stop wasting energy on downtime and vendor finger-pointing. With Diamond IT’s fully managed services, you’ll get clarity, consistency, and a predictable monthly cost.
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Infrastructure management

Servers, networks, firewalls, backups—your IT infrastructure is the engine of your business. We keep it running fast, stable, and secure. Our team handles monitoring, patching, upgrades, and troubleshooting, so you don’t have to. And when it’s time to grow? We scale your systems without the scramble.
  • Comprehensive network management of firewalls, routers, and critical hardware
  • Regular system health checks to prevent downtime
  • Data security and compliance with industry standards
  • Scalable solutions that grow with your business

Strong tech. Stronger foundation.

The right tools in the right hands keep your business moving. We handle the backend so your team can perform on the front end.
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Co-managed IT

Already have in-house IT? Great. We support your tech team by offloading the day-to-day work—think patching, software rollouts, user setups—so they can focus on higher priorities. We’re the steady hand that fills in the gaps without stepping on toes.
  • Flexible partnership that complements your existing IT staff
  • Access to enterprise-class tools at a fraction of the cost
  • Clear division of responsibilities through RACI matrix
  • Training for your internal team to maximize effectiveness

Back your IT team with extra firepower

When your internal IT team needs bandwidth or backup, we’ve got their six. More horsepower.
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  • Specialized IT for professional services

Industries we support

Your business isn’t generic. Your IT partner shouldn’t be either. Diamond IT works with professional services firms that demand reliability, responsiveness, and results.
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Law firms

Keep your case files protected, your legal apps connected, and your attorneys supported around the clock.
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Accounting firms

Meet deadlines with confidence, manage compliance, and get help fast during tax season.
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Financial advisor firms

Protect client data, enable hybrid work, and maintain uptime across every device.
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Architectural firms

Fast file access, high-performance hardware, and seamless CAD workflows.
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Engineering firms

Precision tech management for your data-heavy, deadline-driven work.
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Insurance firms

Secure your customer data and scale tech as you grow your book of business.
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Consulting firms

Keep client deliverables on time with a secure, agile IT environment.
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Medical services

HIPAA-aware support for your electronic records, devices, and compliance.
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Other professional services

If your team bills by the hour, you can’t afford IT slowdowns. We’re here to keep you moving.
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Discover how seamless IT can transform your firm’s efficiency & security

  • CLIENT TESTIMONIALS

See what our clients are saying

  • Managed IT services for professional service firms

Sleep well at night knowing that you have Diamond IT.

 “At the end of the day when you leave here and you shut down your machine, you know that your client’s data is safe and it’s secured and you don’t have to worry…You don’t have those concerns anymore. That’s somebody else’s concern. You go home, you go to bed, sleep well at night knowing that you have Diamond IT taking care of you.”

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Get expert IT support trusted by businesses like yours

“They never upsold us, which was really important. They never tried to get us to the the next latest and best. They looked, for solutions for us, not profits for them.”

Jim Karp

Charles, Blank & Karp, LLP

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  • Managed IT experts

Meet the Diamond IT team

Behind every fast response and smart solution is a real person who understands your business. Our team combines technical know-how with industry experience to support your firm with care and clarity. We don’t hide behind tickets—we work alongside you.
Learn More About Us

Matt Mayo

CEO

Jon Fitrzyk
Jon Fitrzyk

Jon Fitrzyk

VP of Managed Services

Garret Ullal

Director of Platform Engineering & Strategic Automation

Cody Cooper

Strategic Services Manager

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  • Coast to coast, always close by

Serving clients nationwide

Headquartered in California and Indiana, we support clients across the U.S. Our remote tools, local techs, and flexible support model make it easy to work with us—no matter where you are.

West Coast Branch

West Coast Branch

  • Address:
    8701 Swigert Ct. Bakersfield, CA 93311
  • Phone:
    (661) 833-5600

Service area: Bakersfield, Encino, Tulare, Los Angeles

Midwest & Eastern Branch

Midwest & Eastern Branch

  • Address:
    9800 Crosspoint Blvd., Suite 200 Indianapolis, IN 46256
  • Phone:
    (877) 716-8324

Service area: Indianapolis