About Us

Whether your business requires a full managed service solution or needs assistance with a project, our team is ready to assist.

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We’re seasoned professionals.

Passionate About IT Operations.

eShield is a locally owned and operated company passionate about making IT easy for businesses in the Bay Area. For over 20 years, we have provided secure IT solutions to various industries including law firms, financial firms, real estate offices, medical offices, non-profits, manufacturing, and construction trades.

Call Today: ‪(925) 222-5883‬

When you succeed, we succeed.

We are committed to providing exceptional day to day support while planning for long term solutions. We strive to always implement the most cost-effective and secure infrastructure for your business.

Our team of highly motivated, well-versed professionals will integrate into your company culture when you partner with eShield. We’ll gladly support you as your sole IT department or integrate with your current in-house team.

IT Partner

Get the Support You Need

The eShield Difference

We specialize IT Support and Security. We are 100% invested in resolving your issues. We are leading cybersecurity experts devoted to managing your technology so you can focus on your business. We bring years of enterprise experience and cost-effective technology solutions to small and medium-sized businesses like yours.

EXCELLENT
6 reviews on
Kirian Fitzgibbons
Kirian Fitzgibbons
2022-07-26
Verified
Mark has been my go to Technology Guru for the last 10+ years. Efficient, Responsive, affordable and equally high quality subject matter expertise are key words when taking about what Mark brings to the table on any project we have engaged him with. I can’t recommend eSheild highly enough!!!
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Sheldon Livingston
Sheldon Livingston
2022-07-25
Verified
Mark certainly knows his stuff! I had a pretty involved email issue that Mark resolved in relatively short order. Thank you Mark!
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John Whitman
John Whitman
2022-06-30
Verified
I've worked with Mark Lemmo and his team a number of times. I highly recommend them both for their work and their willingness to respond quickly to last minute or off-hours problems.
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Bob Marchant
Bob Marchant
2022-06-30
Verified
Good company. Good service. Very helpful
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marcel sloane
marcel sloane
2022-06-29
Verified
We've worked with Mark and his team for years. His IT expertise has been vital to our operations.
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John Valentine
John Valentine
2022-05-20
Verified
Mark is knowledgeable, diligent and responsive. He’s helped us with both the hardware and software ends of networking issues, as well as working on individual work stations and our a/v system. Couldn’t ask for much more from a tech support crew! We are very pleased with eShield!!
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What do Businesses Get with eShield?

Looking for a managed service provider that is committed to seeing you succeed? Let us show you what we can do for your Bay Area business.

Call Today: ‪(925) 222-5883‬ Get Started