BUSINESS INTERNET
Get internet built for how fast your enterprise moves
Comcast Business has the nation’s largest, fiber-powered network — serving businesses of all sizes, from millions of small businesses to over 90% of the Fortune 500.
The Comcast Business Difference
Comcast Business is the largest enterprise connectivity provider in the U.S.
A network with over 99.99% reliability
Serves more than 90% of the Fortune 500 companies
Restrictions apply. Symmetrical upload and download speeds available in select areas and for select service tiers only. Actual speeds may vary and are not guaranteed.
Build a full-branch portfolio with Business Internet
Secure Networking and Cybersecurity
Help defend your network against cyberthreats with advanced security solutions like SecurityEdge®, DDoS Mitigation, MDR, and EDR.
Unified Communications
Streamline hybrid or remote work with cloud-based voice solutions like Business VoiceEdge®, and solutions like SIP and PRI trunks.
Managed Services
Take the pressure of managing your solutions off your team by choosing a provider that can do it for you. Fully managed and co-managed options are available.
Discover some of the latest insights about connectivity

ARTICLE
To build the next generation of experiences, GenAI demands data in motion

WEBINAR
How AI is reshaping enterprise connectivity
Let’s talk more about your business needs
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Why Comcast Business?
We deliver advanced technology solutions that help drive businesses and organizations forward.
- Offering a suite of connectivity solutions with an international footprint
- Helping to protect networks and devices with global secure networking solutions
- Partnering with enterprises to develop custom solutions tailored to their needs
Looking for customer support?
If you’re an existing customer and have questions about your account or services, our customer support team is available to help 24/7.
Frequently ask questions
Comcast Business Internet is an enterprise-grade connectivity solution powered by the nation's largest, fiber-powered network, designed to support businesses of all sizes — from small businesses to over 90% of the Fortune 500.
Comcast Business delivers over 99.99% network reliability.
Yes, Comcast Business Internet provides scalable coverage for your entire business, including:
- Branch offices
- Franchise locations
- Retail stores
- Remote and rural locations
Yes, Comcast Business offers Managed Connectivity through Low Earth Orbit (LEO) Satellite as an authorized Starlink reseller for rural or hard-to-reach locations without alternative broadband options.
Yes, static IP addresses are available for an additional charge with Comcast Business Internet to help businesses manage devices more easily and support reliable connectivity across their operations.



