Top Managed IT Company in Greater St. LouisWe Go Further.

Certified NETS provides proactive managed IT services, cybersecurity, cloud management, and strategic IT support for businesses throughout the St. Louis area.

Managed IT Solutions »

Delivering comprehensive technology solutions For Over 30 Years.

From Clayton to Chesterfield and beyond, Certified NETS provides proactive managed IT services and 24/7 IT support for established St. Louis businesses, including organizations with remote employees and multiple locations. We help manage, monitor and secure the technology your employees rely on every day.

Whether we serve as your managed IT provider or work alongside your internal IT team, our engineers help keep your systems secure, employees supported and technology aligned with your business.

Our Proactive Approach »

Managed IT Company Business People Discussing Comanaged IT Services around a table

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St. Louis Area Managed IT Company
Managed IT Services & Solutions

From day-to-day help desk support to proactive network monitoring, Microsoft 365 management, cybersecurity and technology planning, Certified NETS helps keep your IT environment running securely and reliably, whether employees work in the office, remotely or across multiple locations.

Managed IT Services & IT Support

Keep your employees productive and your technology running reliably with proactive IT management and day-to-day support. We support networks, devices, Microsoft 365, and employees working in the office, remotely, or across multiple locations.

Managed Security Services (MSS)

Protect your business from evolving cyber threats with managed cybersecurity services that help secure your users, devices, networks, and data while addressing regulatory and industry compliance requirements.

IT Consulting

Unlock Seamless IT Advisory and Projects

Plan technology investments and projects with strategic IT guidance aligned with your business goals. From virtual CIO leadership to AI adoption and implementation, we help organizations make informed technology decisions.

What Our Clients Say

Learn why our clients say Certified NETS is the IT support team to trust.

IT Support workers looking at a computer Professional & Dependable IT Support

Before working with Certified NETS our employees assumed I was the company's IT expert and would come to me with their IT problems. It was stressful and time consuming trying to solve their issues. Now, if we have any problems, Certified NETS engineers are right there. They are professional and dependable. I appreciate the peace of mind that comes with not having to worry about IT problems.

Mrs. Turek
Overland, MO

Young successful IT support business people working together in the casual office. Certified Care Keeps Technology Stable

With Certified Care, I no longer have to watch our machines ALL the time. I have trust that there is a second set of eyes watching our network. Certified Care keeps our technology stable. In the event that there is an issue, I know Certified Care and Certified NETS' engineers will know about it and respond accordingly. This is all critical since our customers depend on the stability of our network.

Mr. Gruenbacher
Maryville, MO

Managed IT Solutions for St. Louis Businesses by Industry

We support St. Louis businesses with Managed Service Provider (MSP) IT services tailored to the systems, regulations, and day-to-day demands of your industry.

Managed IT Services (MSP) for Accounting Firms »

Secure, compliant IT for CPA firms using QuickBooks, Drake, and UltraTax—built for tax season performance and FTC Safeguards Rule requirements.

Engineering & Architecture Firms Managed IT Services »

High-performance IT for CAD and BIM workflows, supporting tools like AutoCAD and Revit with secure file access and reliable collaboration.

IT Services for Construction Companies in St. Louis  »

Reliable IT for job sites and offices, supporting softwares like Procore and Buildertrend with secure access, mobile connectivity, and CMMC-ready compliance.

IT Services for Healthcare Organizations in St. Louis »

Secure, HIPAA-aligned IT for healthcare providers, supporting EHR systems with reliable access and patient data protection.

IT Services for Law Firms in St. Louis »

Secure, compliant IT for law firms, supporting tools like Clio and NetDocuments with reliable access and client data protection.

Industrial & Manufacturing IT Services »

Reliable IT for production environments, supporting ERP systems and shop-floor operations with secure networks and minimal downtime.

CNETS Blog

Get the latest news, events, and expert insights in the IT industry, from industry updates to practical advice, along with information on upcoming webinars and events designed to help you stay informed and proactive.

Managed IT Company Serving Greater St. Louis

Certified NETS proudly serves businesses throughout our greater St. Louis service area, including companies with remote employees and locations outside the region. We focus on companies where CxO leadership is based in St. Louis Metro. As long as key decision-makers are located in the St. Louis Metro area, we can provide centralized IT support to businesses across multiple locations.