Managed IT & Cybersecurity for Charleston Businesses

Free Cyber Insurance & Security Assessment

Reduce IT Risk, Downtime, and Uncertainty — Without Becoming an IT Expert. Find security gaps that could increase risk, impact cyber insurance eligibility, or leave Microsoft 365 vulnerable.

NetTec helps Charleston-area businesses reduce downtime, strengthen cybersecurity, meet cyber insurance requirements, and get more value from Microsoft 365.

Why Charleston Businesses Choose NetTec

✓ Serving Businesses Since 1995

✓ Local Charleston-Based IT Experts

✓ Cybersecurity-First Approach

✓ Microsoft 365 & Azure Specialists

✓ Fast, Responsive Support

Since 1995, NetTec NSI has helped Charleston-area businesses reduce downtime, improve cybersecurity, meet cyber insurance requirements, and get more value from Microsoft 365.

“Joe and his team at NetTec helped us redesign a faster and more secure infrastructure using an Azure WVD solution. They listen to our unique needs as a company and built us a reliable system that is easy for us to manage. Shaun and Joe are responsive and well informed on new trends and threats, which adds a layer of confidence to their already great service.”

Tyson Dutton, IT Systems Administrator, Insurance Services Group

“We have been very pleased with our decision to move our firm’s IT systems to the Azure virtual desktop.  We are constantly on the move and having access to our server no matter where we are working has provided a flexible and efficient environment.   I am happy we made the move to NetTec NSI.”

Zoe Davis, Partner
CPAs, LLP

"Have been working with Joe and his team for years now and continue to be impressed. Always able to take my unique business need and create a plan that will work and is financially reasonable. I also made the wise business decision to move my server off site to Desktop Co-op and have never regretted that move. I recently changed operating systems for my 3 businesses and it is comforting to know I am working with a team that is dedicated to keep me working at 100% efficiency at all times. Joe and his team are always easy to get in touch with if problems arise and are quick to resolve any issues I may have. I do not hesitate to recommend Joe and NetTec NSI for your computer needs."

Dr. Kevin, Animal Hospital

Trusted by Businesses Throughout Charleston & the Lowcountry

"We've trusted NetTec with our technology for years. Their team is responsive, knowledgeable, and proactive."

"NetTec helped us improve security, modernize Microsoft 365, and reduce downtime."

"Their team feels like an extension of our business."

Read Success Stories →

Founded in 1995, owned locally in Charleston South Carolina, NetTec NSI has the Microsoft expertise to support dozens of locally owned, regionally operated and international businesses. Read our success stories to learn more about how we care for our clients.

Our Core Services

Most clients engage NetTec to improve security, reduce downtime, and get proactive IT support for their business.

Managed IT Services

Proactive monitoring, support, and cybersecurity that reduce downtime and keep your business productive.

Cybersecurity

Protect your business from ransomware, phishing, account compromise, and evolving cyber threats.

Microsoft 365 & Copilot

Secure, manage, and optimize Microsoft 365 while helping your team get more value from the platform.

Cloud & Azure

Modern cloud solutions that improve flexibility, security, and business continuity.

View All Services →

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SOPHOS logo in bold blue letters.

Industries We Serve

Accounting & CPA Firm
Technology, cybersecurity, and compliance support for accounting professionals.

Construction Companies
Reliable IT and mobile workforce solutions that keep projects moving.

Healthcare Organizations
Security-focused IT services that help protect sensitive information and support operations.

Manufacturing Companies
Dependable infrastructure and support for ERP, inventory, and production systems.

Professional Services Firms
Technology solutions that improve productivity, collaboration, and client service.

View All Industries →

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Who We Help

Small & Mid-Sized Businesses Throughout Charleston

NetTec helps businesses with 10-250 employees eliminate IT headaches, improve cybersecurity, and keep operations running smoothly.

We work especially well with:

  • Professional services firms

  • Accounting firms

  • Financial services organizations

  • Construction companies

  • Manufacturing businesses

  • Multi-location organizations

Common Problems We Solve

  • Employees wasting time due to slow IT support

  • Cybersecurity and cyber insurance concerns

  • Microsoft 365 security and compliance requirements

  • Unreliable networks and Wi-Fi

  • Remote workforce challenges

  • Lack of an internal IT department

  • Frustration with current IT providers

Call to Action

Not sure if your IT is holding your business back?

An IT Partner Focused on Reducing Risk, Downtime, and Operational Disruption.

Modern technology is a crucial component to your organization’s long-term success.  Technology is no longer just an efficiency tool — it is a major source of business risk if it is not managed correctly. At NetTec NSI, we strategize solutions that will monitor and maintain your company’s computer systems. By streamlining a business through IT solutions, you can help save time and money. By reducing preventable failures and firefighting, we help businesses avoid hidden IT costs, lost productivity, and emergency spending. At NetTec NSI, we proactively monitor and maintain your systems to prevent outages, security incidents, and compliance surprises. We work behind the scenes to keep your company profitable and productive with well-functioning computer systems. For over two decades, businesses across Charleston have trusted NetTec NSI to protect their operations as technology risks continue to grow.

NetTec NSI is a leading IT company that provides comprehensive technology solutions for businesses. Our services encompass a wide range of areas including Help Desk support, Cyber Security, Microsoft Office, and Azure. Our Help Desk team is dedicated to resolving your technical issues promptly and efficiently, ensuring minimal disruption to your business operations.

In the realm of Cyber Security, NetTec NSI is committed to protecting your business from digital threats. We implement robust security measures to safeguard your sensitive data and maintain the integrity of your IT systems. Our expertise in Microsoft Office and Azure allows us to provide seamless integration and management of these platforms, enhancing your business productivity and scalability.

Choose NetTec NSI as your trusted IT partner and let us empower your business with our innovative, reliable and cost-effective technology solutions. With NetTec NSI, you can focus on what matters most - growing your business.

Why Businesses Outsource IT to NetTec

✅ Reduce downtime

✅ Improve cybersecurity

✅ Meet cyber-insurance requirements

✅ Get more value from Microsoft 365

✅ Predictable monthly IT costs

✅ Access experienced engineers without hiring internally

NetTec Spotlight

Hospitality 3.0 - IT Infrastructure

Cloud services enable restaurant and hotel chains to move forward quickly. Build better guest services and grow with NetTec NSI modern solutions.

Browse by Industry

  • Construction

    Is your business about construction, building, modification and/or repair? You definitely have challenges to meet codes, requirements, project deadlines, budgets and other demands. You probably run project management and other industry specific software applications.

  • Small Businesses

    We specialize in providing the absolute best trouble-free technology for small businesses. Most of our clients are small businesses and our success in this sector has earned us the Microsoft Small Business Specialist competency.

  • CPA

    To best explain why NetTec NSI Managed Services and Desktop Co-op Remote Desktop Services are great solutions for CPA and Accounting firms, one of our clients provided this …

  • Education IT

    Education

    NetTec NSI in the Top 10 Education Security Consulting/Services Companies. If you are responsible for the technology for an educational institution, you can benefit from many of our solutions.

  • Healthcare

    Would you like to have your technology work for you so you can focus on your business? We've been serving healthcare clients for over a decade now

  • Manufacturing

    NetTec NSI has helped manufacturers with their information systems since 1995. We build and secure networks that run ERP systems, logistics, lifecycle management, CAD, asset management, maintenance systems, inventory and accounting systems.

  • Tech Companies

    We've helped ISPs, Hosters, eCommerce companies, Security companies, Cable TV, and phone companies with their technology.

NetTec Spotlight

How to Move your Server Infrastructure into scalable Cloud environment

We have solutions to help get you out of legacy on-premise IT closets, server rooms, and data centers and into the NetTec NSI cloud.

Recent Case Studies