4.9 / 5 based on 91 happy customers

Co-managed IT services

Diamond IT’s co-managed IT services extend your internal team with expert support, proactive monitoring, and cybersecurity oversight. Free your staff from daily headaches while keeping full visibility.

20

Years in Business

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9.7/10

Client Satisfaction Rating

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99.99%

Average Client Uptime

From IT headaches to smooth operations

The Diamond Transition process transforms chaotic IT environments into reliable business assets. We handle the transition with zero downtime, complete transparency, and a clear roadmap that gets your technology working for you instead of against you. 

Get seamless onboarding with zero downtime migration

01

Precision Audit

We start by understanding your current technology, business goals, and pain points.

02

Strategic Roadmap

Our team develops a tailored IT roadmap focused on your specific business needs, not a one-size-fits-all package.

03

Fortify

We roll out secure, fully managed IT solutions with no disruption to your daily operations.

04

Transform

Our team watches your systems 24/7, spotting and fixing issues before they cause problems.

Boost your team with co-managed IT

Cybersecurity reinforcement

Your IT team can’t catch every threat alone. We provide layered cybersecurity services, compliance-focused protection, and real-time monitoring that keep sensitive business data safe without slowing down operations.

Stay ahead of cyber risks

Protecting client data isn’t optional. Partner with Diamond IT to strengthen your defenses, reduce risks, and support compliance requirements without overwhelming your in-house staff.

Help desk overflow support

Even strong IT teams can’t respond to every ticket. We handle repetitive tasks and end-user requests, freeing your staff to focus on projects that matter most to your business.

Free your team for high-value work

Your IT staff should focus on business goals, not password resets. Let Diamond IT handle the day-to-day so your people can drive innovation.

Infrastructure & cloud management

We support the systems your firm depends on—networks, servers, and cloud platforms—so your operations run smoothly and securely at scale.

Keep your systems running strong

With Diamond IT’s co-managed IT, your infrastructure stays secure, optimized, and resilient—so you never lose momentum.

Why professional service firms choose Diamond IT

Most IT companies sell you what they have in stock. We build technology solutions around what your business actually needs, not what’s easiest for us to deliver.

vs

Diamond IT

Competitors

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20 years in business

Less experienced

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97% CSAT score

85% or less

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97% client retention rate

90% or less

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Live Technical support

Non-technical call center

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80% 1st call resolution

70% or less

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Specialized

Generalists

Protect your firm’s data, maximize uptime, and eliminate IT headaches

See what our clients are saying

We support the software that powers your business

From legal case management to accounting software, Diamond IT supports the applications your team relies on daily. Our co-managed IT services keep your tools running efficiently, securely, and without disruption.

Let us know what you’re looking for and see if we’re a good fit

Industries we support

Diamond IT’s co-managed IT services are built for professional services firms that depend on reliable technology to serve clients.
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Law firms

Secure systems, reliable access, and support for legal applications.
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Accounting firms

Compliance-focused IT and peak-season support.
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Financial advisor firms

Cybersecurity and data protection for client trust.
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Architectural firms

Support for design software and collaboration tools.
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Engineering firms

Optimized IT infrastructure for complex projects.
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Insurance firms

Protect customer records and streamline compliance for industry regulations.
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Consulting firms

Scalable IT to support growing client needs.
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Medical services

HIPAA-compliant IT and secure data systems.
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Other professional services

Flexible, industry-aware IT support.

Discover how seamless IT can transform your firm’s efficiency & security

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.”

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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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.

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

Serving clients nationwide

Diamond IT delivers co-managed IT services to professional services firms across the United States. With responsive support and proven frameworks, we help businesses everywhere reduce IT headaches and operate with confidence.

West Coast Branch

West Coast Branch

Service area: Bakersfield, Encino, Tulare, Los Angeles

Midwest & Eastern Branch

Midwest & Eastern Branch

Service area: Indianapolis