St. Louis Area Managed IT Services & IT Support

Managed IT Company Greater St. Louis We Go Further.

Delivering comprehensive technology solutions  For Over 30 Years.

From Clayton to Chesterfield and beyond, we provide top-tier managed IT services in the St. Louis area that empower local leaders to keep their companies running smoothly, no matter where their teams are located. Certified NETS is your trusted partner for reliable and cutting-edge IT solutions, tailored to meet your business’s unique needs.

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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

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, focusing 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 support to businesses across multiple locations.