Over 25 years providing Baltimore, MD businesses the very best in Business Phone Solutions, High Speed Internet and Cyber Security.

GTB: Global Telecom is based in Baltimore, MD, but has an extensive service area that includes thousands of business customers in Maryland, northern Virginia and DC. We were one of the first telecom providers to offer VoIP (voice over IP) services to Maryland businesses.


“GTB has been a partner in helping CCSI serve a variety of clients 24 hours a day/seven days a week…Tech support is responsive and quick, and the system has been trustworthy through significant weather events and power outages.”  - Tim Jansen, Community Crisis Services, Inc. 


Despite our large tri-state service area, we’re dedicated to being your best choice for Baltimore Business Phone Service, High Speed Internet Access, and Cyber Security. We also serve businesses from small offices to large, multi-location businesses with IT and Cloud Services and Inside Wiring.

Baltimore High Speed Internet.  GTB offers several Internet speeds to choose from with our Baltimore Internet access, from 10MB to 500MB -- so you can get the speed you need and stay within budget. With our fiber network, we’re able to offer high speed Internet where some of our competitors cannot. Our Internet and Data Services also include Fixed Wireless solutions and point-to-point VPN. Learn more

Baltimore Business Phone Solutions.  We have our own phone network in Maryland, so we are able to offer HD-quality voice service in Baltimore that is reliable, with advanced features.  We manage this service too, so you don’t have to!  Learn more

See video testimonials.

Baltimore Cyber Security.  With GTB’s CyberSeal Security Solution, you can protect your company’s network and data against cyber attacks, such as ransomware, viruses and malware. GTB designs, configures, installs and manages a top-of-the-line SonicWall firewall for you -- eliminating the need for businesses to spend large sums of money on hardware and software services. We also offer Anti-virus and Anti-malware software and cloud-based, computer data backup services for a complete cyber security solution. Learn more

Our Internet access, phone service and cyber security offerings are diverse by design -- we want to create the perfect solution for each of our customers in Baltimore and throughout our service area. Some of our many other service offerings include IT Services, Inside Wiring and Cloud Services, such as Web Hosting, Email Service/Hosted Exchange, Fax to Email Service, and Web Conferencing.

From phone to network design and maintenance to cloud services, our service offerings offer you the flexibility you need to grow your business, while you leave the work to us! We make it easier and more affordable to stay connected with your colleagues and customers in a variety of ways. And our Cyber Security solutions give you peace of mind and minimize online threats, such as ransomware, viruses and malware.  With GTB, you get the most sophisticated technology with the local customer service you want.

Contact us for your free assessment on Baltimore Internet access, Business Phone service or Cyber Security at 1 (877) CALL-GTB!