Austin’s most trusted Managed IT Services & Cybersecurity Provider
Protect your productivity (and bottom line) with Austin’s most trusted managed IT services and IT cybersecurity provider.
Avoid expensive downtime and data breaches to keep business operations moving 24/7/365. Get away from IT support headaches and stay within your IT budget — wherever you are in your growth journey.
Whether you are moving to the cloud, securing your hybrid workforce, or need expert IT support, GCS is your Microsoft-certified IT partner.
Managed IT Cybersecurity
Protect your business with the same security toolkit as the Fortune 500.
Managed IT Services
Get everything you need to stay ahead of cyber threats & IT issues for one predictable monthly fee.
Support Desk
Count on seasoned experts to effectively & efficiently troubleshoot any IT issues you send their way.
Cloud Migration
Eliminate unplanned downtime and hardware costs with a hassle-free migration to the cloud.
Microsoft Experts
Why use solutions from multiple vendors when one platform can do it all? Let our Microsoft 365 experts show you how.
Project Support
Keep your next office move or network replacement on time and budget with on-demand IT solution architects.
Microsoft 365:
One Solution for All Your Productivity & Security Needs
Strengthen Your Security Posture
Prevent Data Loss
Shrink Your Attack Surface
94% Satisfaction across 1000s of Austin Business Owners
Securing & Supporting Austin Businesses for 20+ Years
Whether running a two-man shop or a 500-person company, your business deserves enterprise-level cybersecurity and managed IT services that scale with your needs.
Streamline your operations. Strengthen your security posture. Solve your IT issues in hours (not days): from downed servers to switches, firewalls, or applications. GCS’ knowledgeable managed IT services and cybersecurity team is standing by.
That’s why Austin businesses have relied on GCS for 20+ years — and you can too.
Certified Microsoft Partners
GCS is your certified Microsoft 365 partner. Level up your security and productivity today with Austin’s top choice for Microsoft licensing, security, and managed IT services.
Digital Business Protectors
Your attack surface may be expanding but your IT security budget doesn’t have to. Protect your users’ devices, networks, and data.
Work from Anywhere
Our in-house help desk team is always there when you need them. We can support your users, devices, and everything in between. We can be your IT department, or an extension of your existing team.
Elastic IT Support Providers in Austin and Beyond
Expand your IT team without the expense of hiring more employees. Only pay for the managed IT services and support you need, when you need it.
Future-Proofers
Leverage managed Microsoft cloud and IT cybersecurity services to give your people the tools and services they need wherever they are.
Why Take Our Word for It?
See What Our Customers Say…
Their team is very knowledgeable and always willing to help!”
Anuj Patel
Director of Operations Westlake Dermatology
“GCS has been a trusted technical services partner of MetroNational for many years. We are continually impressed by the quality of their staff and their ability to compete against national service providers, especially in the cybersecurity space, at extremely competitive rates. Their team plays an essential role in our overall cybersecurity strategy.”
Chris Panto
Vice President, Governance and IT MetroNational
“GCS has been a game-changer for our club, playing a critical role in securing our environment and acting as a trusted partner to our business staff.”
Ryan Fannin
Senior Vice President of Information Technology Austin FC
Gaurav Singla
CEO Remote Operations
“GCS has been a valued partner to me for nearly a decade. They are always responsive, knowledgeable, and provide professional support when I need them. Their understanding of HIPPA and security compliance provides me with confidence when they propose solutions, or log into my network.”
Fabian Martinez
CTO People’s Community Clinic
Anonymous
IT manager Austin Law Firm
Partners
Integration and Support Services for Best-in-Class Technology Vendors
Expand Your IT Team — Not Your IT Budget
Why settle for high costs and unresponsive IT support when you could have flexible, on-demand managed IT services tailored to your business needs?
✔ Get away from hidden fees.
✔ Free your business of long-term contracts.
✔ Say goodbye to slow, untrained IT support desks.
When you choose GCS, you add highly skilled techs and support designed for your budget and business needs. Not ours.
The GCS Blog
IT Expert Trends, Tips & Tactics
10 Types of Phishing Attacks That Still Bypass Security in 2025
Breakdown of the most common types of phishing attacks, real breach examples, and how to detect them before damage is done.
5 Convincing Scams (and How They Trick You)
They look legit, they feel urgent, and they’re everywhere — here are 5 common scams and how to shut them down.
Inside Our Security-First MSP Model (Video)
In this episode of T-Minus 365, our CEO, Shane Gronniger, and Director of Security Operations Kaleb Arjes-Maddox explain how we moved away from the standard MSP model and made security the foundation of our work.