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Business Internet in Madison, Wisconsin - Best Business Providers (February 2026)

Top Pick for Madison Businesses: Local companies in Madison turn to AT&T Business Fiber more than any other provider, and for good reason: strong SLAs, fast speeds, and reliable coverage. With a 48.9% footprint in Madison, AT&T Business Fiber provides the most widely available business internet, backed by competitive SLA terms and static IP options. Competition among 9 providers ensures that Madison businesses, serving a metro of 280,305 people, can negotiate strong terms and competitive rates.

Best Business Internet Providers in Madison (February 2026)

The business internet landscape in Madison, Wisconsin features 9 providers competing for commercial accounts. Our detailed comparison covers the metrics that matter most to local companies.

ProviderBusiness SpeedsPrice RangeUptime SLAStatic IP
AT&T Business Fiber100 Mbps - 5 Gbps$40-$250/mo99.9% uptime SLAAvailable ($15/mo add-on)
Verizon Business Fios300 Mbps - 2.3 Gbps$75-$350/mo99.9% availabilityAvailable ($20/mo)
Frontier Business Fiber500 Mbps - 5 Gbps$50-$200/mo99.9% uptime guaranteeAvailable ($15/mo)
Spectrum Business300 Mbps - 10 Gbps$65-$350/mo99.9% uptime guarantee1 included (up to 29)
T-Mobile Business Internet33-245 Mbps$50-$70/moBest-effort (no formal SLA)Not available
Verizon 5G Business Internet50 - 300 Mbps$35-$90/moBest-effortNot available
HughesNet Business25 - 100 Mbps$65-$200/moBest-effortNot available
Viasat Business30 - 150 Mbps$100-$350/moBest-effortAvailable on select plans
Starlink Business40 - 220 Mbps$120-$500/moPriority bandwidth tierAvailable ($10/mo add-on)

Business Internet Provider Details for Madison

Below is a closer look at each provider's business plans available in Madison, WI. Availability varies by address, so we recommend checking coverage at your specific location.

AT&T Business Fiber in Madison

Operating a fiber, fixed wireless, dsl network that reaches 48.9% of Madison, AT&T Business Fiber offers business plans with 100 Mbps - 5 Gbps starting at $40-$250/mo. Added benefits include Dedicated account manager, 24/7 U.S.-based support, bundled VoIP.

  • Business Speeds: 100 Mbps - 5 Gbps
  • Monthly Cost: $40-$250/mo
  • Uptime SLA: 99.9% uptime SLA
  • Static IP: Available ($15/mo add-on)
  • Contract: 1-3 year terms

Call AT&T Internet Business Sales: 1-855-850-5977

View AT&T Business Fiber Plans

Verizon Business Fios in Madison

With a 30.7% coverage footprint across Madison, Verizon Business Fios offers fiber business internet at speeds from 300 Mbps - 2.3 Gbps. Plans start at $75-$350/mo and come with One Fiber dedicated options, Verizon Business Digital Voice.

  • Business Speeds: 300 Mbps - 2.3 Gbps
  • Monthly Cost: $75-$350/mo
  • Uptime SLA: 99.9% availability
  • Static IP: Available ($20/mo)
  • Contract: 1-2 year terms

Call Verizon Fios Business Sales: 1-855-387-1456

View Verizon Business Fios Plans

Frontier Business Fiber in Madison

Frontier Business Fiber delivers fiber, dsl service to approximately 13.1% of Madison addresses. Business customers can choose from plans ranging from 500 Mbps - 5 Gbps with pricing starting at $50-$200/mo. Symmetric upload/download, no data caps, UCaaS bundles.

  • Business Speeds: 500 Mbps - 5 Gbps
  • Monthly Cost: $50-$200/mo
  • Uptime SLA: 99.9% uptime guarantee
  • Static IP: Available ($15/mo)
  • Contract: 1-2 year terms

Call Frontier Fiber Business Sales: 1-855-981-6281

View Frontier Business Fiber Plans

Spectrum Business in Madison

Businesses throughout Madison can tap into Spectrum Business's cable infrastructure, which reaches 81.6% of the metro. Speeds range from 300 Mbps - 10 Gbps with pricing from $65-$350/mo. Key perks include No data caps, free modem, Spectrum Business WiFi.

  • Business Speeds: 300 Mbps - 10 Gbps
  • Monthly Cost: $65-$350/mo
  • Uptime SLA: 99.9% uptime guarantee
  • Static IP: 1 included (up to 29)
  • Contract: No contract required

Call Spectrum Business Sales: 1-844-481-5997

View Spectrum Business Plans

T-Mobile Business Internet in Madison

In Madison, T-Mobile Business Internet covers 68.7% of addresses with 5g, fixed wireless, mobile service. Business plans span 33-245 Mbps from $50-$70/mo, including No installation needed, 5G gateway included, quick setup.

  • Business Speeds: 33-245 Mbps
  • Monthly Cost: $50-$70/mo
  • Uptime SLA: Best-effort (no formal SLA)
  • Static IP: Not available
  • Contract: No contract

Call T-Mobile Business Sales: 1-844-275-9311

Verizon 5G Business Internet in Madison

Approximately 30.7% of Madison businesses can access Verizon 5G Business Internet's 5g network. Plans deliver 50 - 300 Mbps at prices from $35-$90/mo, bundled with 5G Ultra Wideband, plug-and-play gateway, no installation wait.

  • Business Speeds: 50 - 300 Mbps
  • Monthly Cost: $35-$90/mo
  • Uptime SLA: Best-effort
  • Static IP: Not available
  • Contract: No contract

HughesNet Business in Madison

HughesNet Business serves about 100.0% of commercial addresses in Madison via its satellite network. Business plans range from 25 - 100 Mbps, starting at $65-$200/mo, featuring Built-in Wi-Fi, satellite coverage everywhere, bonus off-peak data.

  • Business Speeds: 25 - 100 Mbps
  • Monthly Cost: $65-$200/mo
  • Uptime SLA: Best-effort
  • Static IP: Not available
  • Contract: 2 year commitment

Call HughesNet Business Sales: 1-855-543-5405

Viasat Business in Madison

Viasat Business brings satellite internet to 100.0% of Madison, offering business speeds from 30 - 150 Mbps. Starting at $100-$350/mo per month, plans feature Viasat Shield security, priority data plans, VoIP ready.

  • Business Speeds: 30 - 150 Mbps
  • Monthly Cost: $100-$350/mo
  • Uptime SLA: Best-effort
  • Static IP: Available on select plans
  • Contract: 2 year commitment

Call Viasat Business Sales: 1-855-463-9333

Starlink Business in Madison

Starlink Business delivers satellite service to approximately 100.0% of Madison addresses. Business customers can choose from plans ranging from 40 - 220 Mbps with pricing starting at $120-$500/mo. Global coverage, mobile mounting, priority support queue.

  • Business Speeds: 40 - 220 Mbps
  • Monthly Cost: $120-$500/mo
  • Uptime SLA: Priority bandwidth tier
  • Static IP: Available ($10/mo add-on)
  • Contract: No contract (hardware cost $2,500)

Local Business Internet Landscape in Madison

Madison has developed into a significant commercial center in Wisconsin, with businesses across multiple sectors driving growing demand for high-performance internet service.

Madison's economy is anchored by Wisconsin's tradition of manufacturing, agriculture, and healthcare. Local businesses depend on reliable internet for precision manufacturing systems, commodity trading platforms, and telemedicine services.

Dental practices, veterinary clinics, and specialty medical offices in Madison depend on secure internet connections for digital imaging, practice management software, insurance claim submissions, and patient portal access.

With 4 wired broadband providers and 5 wireless or satellite backup options, Madison businesses can build highly redundant connectivity stacks. We recommend pairing a primary fiber connection with a secondary cable or 5G line to ensure continuity during outages.

Business Internet Features to Consider in Madison

Not all business internet plans are equal. Madison companies should assess these critical features to ensure their connection supports growth and daily operations:

  • Service Level Agreements (SLAs): Uptime SLAs of 99.9-99.99% translate to less than 8.8 hours of annual downtime. For Madison companies processing transactions or serving customers online, this guarantee protects against revenue-threatening outages.
  • Static IP Addresses: Madison companies need static IPs for VPN access, server hosting, IP cameras, and PCI-compliant payment processing. Business plans typically include one, with blocks of 5+ available for enterprise needs.
  • Dedicated vs. Shared Connections: The decision between shared and dedicated internet for your Madison business comes down to bandwidth consistency. Dedicated circuits cost more but eliminate the speed variability that can disrupt operations.
  • Symmetric Upload Speeds: Upload speed is often the bottleneck for Madison businesses using cloud services, video conferencing, and backup systems. Fiber's symmetric speeds solve this problem, while cable upload typically maxes out at 35 Mbps.
  • Priority Support: Business plans in Madison include priority support channels that bypass residential queues. On-site repairs are typically committed within 4-8 hours, protecting your business from prolonged outages.
  • Scalability: Growing Madison businesses should choose providers that offer easy bandwidth upgrades without contract renegotiation. Fiber providers generally allow speed-tier changes within 24-48 hours.

Business vs. Residential Internet in Madison

The gap between business and residential internet in Madison extends well beyond speed. These fundamental differences in reliability, support, and features make business plans essential for serious companies:

  • Uptime guarantees: No SLA comes with residential plans, meaning your Madison business has no recourse during outages. Business plans provide contractual uptime guarantees with financial penalties for the provider.
  • Upload performance: Cloud backups that take hours on residential cable in Madison complete in minutes on business fiber, thanks to symmetric upload speeds that residential plans simply cannot match.
  • Static IP addresses: PCI compliance for payment processing requires static IP addresses available only with business plans. Residential dynamic IPs make your Madison business non-compliant.
  • Terms of service: Residential terms of service typically prohibit running servers, commercial use, and excessive bandwidth consumption. Business plans explicitly permit these activities.
  • Priority repair: Downtime costs money. Business internet repair in Madison is typically completed within 4-8 hours, while residential customers wait 1-3 business days for a technician.

Business Internet FAQs for Madison, WI

What is the fastest business internet available in Madison, WI?

AT&T Business Fiber provides the fastest business internet speeds in Madison, with plans reaching up to 5 Gbps. These fiber-backed connections offer symmetric upload and download, critical for businesses running cloud-based operations and video conferencing.

Do business internet providers in Madison offer SLAs?

Most Madison business internet providers offer SLAs. AT&T Business Fiber commits to a 99.9% uptime SLA, and competitors offer similar guarantees. These agreements ensure accountability and provide service credits when providers fail to meet their uptime commitments.

Can I get a static IP address for my Madison business?

Most wired providers in Madison provide static IPs for business accounts. AT&T Business Fiber offers Available ($15/mo add-on). A static IP is necessary for VPN connections, hosting in-house servers, remote camera access, and stable merchant payment processing.

How much does business internet cost in Madison?

Business internet in Madison ranges from approximately $40 to $500 per month depending on the provider and speed tier. Basic plans suitable for small offices start around $50-70/mo for 100-300 Mbps, while enterprise-grade dedicated fiber for larger companies can exceed $300/mo. AT&T Business Fiber pricing starts at $40.

Is fiber internet available for businesses in Madison?

Madison businesses have access to fiber internet from 3 providers: AT&T Internet, Frontier Fiber, Verizon Fios. Fiber provides the symmetric upload/download speeds and low latency that businesses need for cloud computing, VoIP, and video conferencing. Verify coverage at your specific location.

What upload speed do I need for my Madison business?

For basic cloud and email usage, 25 Mbps upload suffices for Madison small businesses. Companies with 5-10 employees using video conferencing need 50-100 Mbps upload. Organizations with 10+ employees running cloud applications, VoIP, and file sharing should invest in symmetric fiber offering 500 Mbps+ upload.

For more internet options in Madison, visit our Madison Internet Providers page. Compare plans across Wisconsin on our Wisconsin Internet guide.

Disclosure: Some links on this page are affiliate links, meaning InternetProviders.ai may earn a commission if you sign up through our links. This does not affect our editorial ratings or recommendations. All pricing, speeds, and availability information is current as of February 2026 and may vary by address. Call the provider directly to confirm availability at your Madison business location.

About the Author: Pablo Mendoza is a broadband industry analyst at InternetProviders.ai specializing in business connectivity solutions. His research covers enterprise internet options across Wisconsin and nationwide, helping companies find the right balance of speed, reliability, and value.