What Results Can You Expect To See From Us?
Excellent Service
Our highly qualified and seasoned team of professionals and consultants are pleasant, responsive, and guarantee their work.
Problems Solved
Your tech and computer issues will be dealt with quickly and efficiently — be it onsite, remotely, or via a simple phone call to us.
Reduce Costs
Get all the support you want at a cost that always fits your budget. Enjoy better returns on your IT investment!
Increased Productivity
We’ll optimize your processes and make them run smoothly at all times, so you can step up your game and serve clients faster.
24
Years in Business
98%
Client Satisfaction Rate
2 Min
Avg. Response Time
99%
% of SLAs Met
What Kind of Services & Solutions Are You Looking For?
We have it all under one roof!
Relied Upon by Recognized Organizations
Is your email secure?
Too many cyberthreats use email to target you — learn how to secure your email with our latest eBook
Data Protection 101: What Is Email Security? discusses the role email security plays in ensuring your emails are secure and, through them, your data.
The eBook covers a range of topics including the importance of email security, email-based threats, and how to best leverage email security for maximum effectiveness.
Latest News
Check out the latest news in security and all things IT related.
Microsoft Is Retiring SMS Authentication: What Businesses Need to Know
Microsoft is changing how businesses protect user sign-ins. The announcement of Microsoft retiring SMS authentication [...]
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The True Cost of In-House IT: What Businesses Are Really Spending
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Senate Bill 122: How to Protect Your IT Budget From the New SaaS Tax
Senate Bill 122 reshapes the financial landscape for California businesses by applying sales and use [...]
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The Financial and Operational Liability of Legacy Hardware
Outdated legacy hardware often hides in plain sight inside big companies. People wrongly think, “if [...]
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Employee Offboarding Transitions: A Strategic Guide to Secure Corporate Data
When employees leave a company, how the business handles their exit, called “employee offboarding,” is [...]
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Manufacturing Cybersecurity Risks: 5 Technology Mistakes We See Companies Make
Manufacturing cybersecurity risks and unexpected tech failures are constant threats to modern production floors. For [...]
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Securing the Modern Enterprise Against Supply Chain Vulnerabilities
Third-party cyber risk is a critical structural threat to modern businesses. Today, companies routinely share [...]
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The Hidden Cost of Unmanaged AI Use in the Enterprise
Shadow AI risks represent a critical threat to modern business continuity, quietly bypassing established corporate [...]
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Cloud Security Myths: 5 Risks That Could Permanently Erase Business Data
Cloud Security Myths frequently distort how businesses perceive data resilience in software-as-a-service (SaaS) platforms. Many [...]
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Cyber Insurance Readiness: Guide to Corporate Liability
Cyber insurance has transformed from a routine operational expense into a fundamental pillar of enterprise [...]
Continue ReadingVerifiable Digital Credential Presentment
This blog post is #4 in our series on Verifiable Digital Credentials (VDCs). Our other [...]
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Enterprise Backup Security: A Guide to Operational Resilience
In the modern digital economy, a resilient organization is defined not just by how effectively [...]
Continue ReadingAdvancing Product Security: New IoT Guidance and New Engagement
It may be summertime, but the NIST Cybersecurity for the Internet of Things (IoT) Program [...]
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The Microsoft-Nightmare Eclipse Vulnerability Crisis: A Strategic Review and Defense Protocol for Enterprise IT
The intersection of zero-day vulnerability research, vendor response protocols, and enterprise risk management has reached [...]
Continue ReadingStronger Cybersecurity, Stronger Business: NIST Celebrates 2026 National Small Business Week
Happy National Small Business Week! For over 60 years, the U.S. Small Business Administration has [...]
Continue ReadingFrom DMV to Wallet: Understanding Verifiable Digital Credential Issuance
In our last post in this series, we compared two credential formats that shape the [...]
Continue ReadingHear from Those that Trust Onsite...
"
When the city was looking for a new IT support company, Onsite Computing was the only professional IT company that had a proven track record of successfully supporting the IT needs of government and businesses since 2001. Plus, they provide us with all the IT services we needed under one roof. Since taking on our IT management, Onsite Computing has proved they are skilled at handling the diverse IT needs of the City of Grand Terrace. We trust them and highly recommend them to other organizations.
Assistant City Manager, City of Grand Terrace
City Government
Grand Terrace, California - Client since 2017
"
Onsite Computing, Inc. has been instrumental in enhancing our law firm's security, optimizing critical applications, and providing exceptional support. Their expertise has significantly bolstered our defenses against cyber threats while streamlining workflows and minimizing downtime. The team's proactive approach and friendly support ensure that our IT infrastructure operates seamlessly, making them a valuable partner for any organization seeking reliable IT management solutions.
Manager
Law Firm
McMahon Lynch Law Firm, Inc.
"
US Continental has been a contract managed services client with Onsite Computing since 2013. We tried other IT companies in the past but Onsite was the only company that could do what they said they would do. They’ve recently setup the IT for our 2nd facility in Corona including our new VOIP phone system. They have also made us compliant new with PCI security standards that our bank required for credit card security. We highly recommend them to other businesses looking for a cutting-edge IT partner.
Controller, US Continental
Manufacturing Company
Corona, California - Client since 2013
"
We have been a client of Onsite Computing, Inc since 2016 and could not be more pleased with the amazing technical support they provide to us. Not only do they provide quick service anytime we are in need; they do it with patience and kindness. In addition, they are very proactive. As they see potential risks to our organization or opportunities to be more efficient; they point it out and give us recommendations. As a small non-profit with limited resources, it’s a blessing to know that we have an organization like Onsite in our corner and advocating for us. We are very grateful and would recommend Onsite to any business or organization in need of computer and IT support!.
Executive Director
Healthcare
ZOI Medical Clinic
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nicole parker
Trustindex verifies that the original source of the review is Google. I’ve had the pleasure of getting to know Frank for two years and can confidently say he’s one of the most genuine, dependable, and kind people you’ll meet. His integrity and professionalism truly stand out, and it’s clear that he puts great care into everything he does. Anyone choosing to work with Frank and his company will be in excellent hands.
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J A Bos
Trustindex verifies that the original source of the review is Google. With so many IT service companies to choose from, Onsite rises above the norm. In my experience, they excel in providing timely IT solutions with stellar service and cost efficiency. I highly recommend them and Onsite continues to be my go-to for all my computing needs.
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Kamm Fam
Trustindex verifies that the original source of the review is Google. Just wanted to leave a message to say how impressed I am with On-site Computing Inc. and their awesome support team. They solved my issue in no time and made sure I was satisfied with their help every step of the way. Keep up the awesome work!"
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Lisa- Elisabeth Wallace
Trustindex verifies that the original source of the review is Google. Nick came and fixed the problem, explained what he was doing and in a very short time my computer was up and running *****
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librada lopez
Trustindex verifies that the original source of the review is Google. Onsite IT team has been outstanding! They are always quick to respond, professional, and go above and beyond to resolve any issues. Their support has kept everything running smoothly, and it’s clear they truly care about providing the best service. Couldn’t ask for a better team!
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Abby Palos
Trustindex verifies that the original source of the review is Google. John Paul and Jeff O are awesome! Great customer service!
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Jackie Mora
Trustindex verifies that the original source of the review is Google. He is awesome and always willing to help!
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Vanessa Canas
Trustindex verifies that the original source of the review is Google. Our organization has been working with Onsite for the past couple of years, and making the switch was one of the best decisions we've made. Their team is consistently helpful, responsive, and incredibly knowledgeable. We've been impressed with their support and commitment to keeping our systems running smoothly