Business Internet in Seattle, Washington - Best Business Providers (February 2026)
Best Business Internet Providers in Seattle (February 2026)
We identified 10 internet providers with business plans available in Seattle, Washington. The table below presents a head-to-head comparison of speeds, costs, uptime SLAs, and static IP policies.
| Provider | Business Speeds | Price Range | Uptime SLA | Static IP |
|---|---|---|---|---|
| Comcast Business | 50 Mbps - 10 Gbps | $70-$500/mo | 99.99% uptime on dedicated fiber | 1 included (up to 13) |
| AT&T Business Fiber | 100 Mbps - 5 Gbps | $40-$250/mo | 99.9% uptime SLA | Available ($15/mo add-on) |
| Lumen/CenturyLink Business | 100 Mbps - 10 Gbps | $65-$400/mo | 99.99% on dedicated | Included on dedicated plans |
| Verizon Business Fios | 300 Mbps - 2.3 Gbps | $75-$350/mo | 99.9% availability | Available ($20/mo) |
| Ziply Fiber | Varies | Call for pricing | Contact provider | Contact provider |
| T-Mobile Business Internet | 33-245 Mbps | $50-$70/mo | Best-effort (no formal SLA) | Not available |
| Verizon 5G Business Internet | 50 - 300 Mbps | $35-$90/mo | Best-effort | Not available |
| HughesNet Business | 25 - 100 Mbps | $65-$200/mo | Best-effort | Not available |
| Viasat Business | 30 - 150 Mbps | $100-$350/mo | Best-effort | Available on select plans |
| Starlink Business | 40 - 220 Mbps | $120-$500/mo | Priority bandwidth tier | Available ($10/mo add-on) |
Business Internet Provider Details for Seattle
For a deeper understanding of your options, review each Seattle, WA business internet provider below. Availability varies by location, so confirm coverage at your business address.
Comcast Business in Seattle
With cable, fiber coverage of 93.9% in Seattle, Comcast Business business plans deliver 50 Mbps - 10 Gbps. Pricing starts at $70-$500/mo and includes SecurityEdge cyber protection, 4G LTE backup, WiFi Pro hotspots.
- Business Speeds: 50 Mbps - 10 Gbps
- Monthly Cost: $70-$500/mo
- Uptime SLA: 99.99% uptime on dedicated fiber
- Static IP: 1 included (up to 13)
- Contract: 1-3 year terms
Call Xfinity Business Sales: 1-844-963-0138
AT&T Business Fiber in Seattle
With a 63.5% coverage footprint across Seattle, AT&T Business Fiber offers fiber, fixed wireless, dsl business internet at speeds from 100 Mbps - 5 Gbps. Plans start at $40-$250/mo and come with 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
Lumen/CenturyLink Business in Seattle
Lumen/CenturyLink Business brings fiber, dsl internet to 42.9% of Seattle, offering business speeds from 100 Mbps - 10 Gbps. Starting at $65-$400/mo per month, plans feature SD-WAN solutions, DDoS mitigation, Adaptive Networking.
- Business Speeds: 100 Mbps - 10 Gbps
- Monthly Cost: $65-$400/mo
- Uptime SLA: 99.99% on dedicated
- Static IP: Included on dedicated plans
- Contract: 1-3 year terms
Call CenturyLink Business Sales: 1-855-512-4817
View Lumen/CenturyLink Business Plans
Verizon Business Fios in Seattle
Approximately 33.9% of Seattle businesses can access Verizon Business Fios's fiber network. Plans deliver 300 Mbps - 2.3 Gbps at prices from $75-$350/mo, bundled 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
Ziply Fiber in Seattle
Ziply Fiber delivers fiber service to approximately 20.3% of Seattle addresses. Business customers can choose from plans ranging from Varies with pricing starting at Call for pricing. Contact provider for details.
- Business Speeds: Varies
- Monthly Cost: Call for pricing
- Uptime SLA: Contact provider
- Static IP: Contact provider
- Contract: Varies
T-Mobile Business Internet in Seattle
Covering roughly 72.5% of Seattle, T-Mobile Business Internet provides 5g, fixed wireless, mobile connectivity with business plans from 33-245 Mbps. Monthly pricing begins at $50-$70/mo, and the package includes 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 Seattle
Verizon 5G Business Internet brings 5g internet to 33.9% of Seattle, offering business speeds from 50 - 300 Mbps. Starting at $35-$90/mo per month, plans feature 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 Seattle
In Seattle, HughesNet Business covers 100.0% of addresses with satellite service. Business plans span 25 - 100 Mbps from $65-$200/mo, including 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 Seattle
Viasat Business delivers satellite service to approximately 100.0% of Seattle addresses. Business customers can choose from plans ranging from 30 - 150 Mbps with pricing starting at $100-$350/mo. 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 Seattle
Approximately 100.0% of Seattle businesses can access Starlink Business's satellite network. Plans deliver 40 - 220 Mbps at prices from $120-$500/mo, bundled with 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 Seattle
Seattle's economic engine runs on digital connectivity, with local businesses across every sector requiring reliable internet for operations, communications, and customer service.
Seattle's diverse Washington economy includes technology, outdoor recreation, and healthcare industries. Businesses need high-speed internet for cloud computing workloads, online booking systems, and telemedicine platforms serving surrounding communities.
Logistics and transportation companies operating in Seattle need dedicated internet for fleet management GPS systems, dispatch coordination, electronic logging devices, and real-time delivery tracking that customers now expect.
With 5 wired broadband providers and 5 wireless or satellite backup options, Seattle 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 Seattle
Seattle businesses should look beyond speed when selecting a provider. These six features define the difference between consumer-grade and truly business-class internet:
- Service Level Agreements (SLAs): Business SLAs in Seattle typically guarantee 99.9% uptime or better, with financial credits for any shortfall. This contractual commitment is a fundamental difference between business and residential service.
- Static IP Addresses: Seattle businesses that need VPN tunnels, security camera remote access, or server hosting require static IP addresses. Business plans from most local providers include at least one in the package.
- Dedicated vs. Shared Connections: Seattle businesses should understand the difference between shared and dedicated internet. Shared plans offer better pricing while dedicated circuits guarantee performance regardless of network congestion in your area.
- Symmetric Upload Speeds: Upload speed is often the bottleneck for Seattle 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: Seattle business internet customers receive priority support with faster response times. Most providers commit to 4-8 hour on-site repair windows, compared to 24-72 hours for residential service.
- Scalability: For Seattle businesses expecting growth, scalability is key. Fiber providers offer the easiest upgrade paths, often adjusting speed tiers remotely without technician visits or contract changes.
Business vs. Residential Internet in Seattle
Before opting for a cheaper residential plan for your Seattle business, consider these critical differences that directly impact uptime, security, legal compliance, and customer experience:
- Uptime guarantees: When residential internet goes down, there is no SLA protecting your business. Comcast Business and other business providers offer guaranteed uptime with credits for any shortfalls.
- Upload performance: Cloud backups that take hours on residential cable in Seattle complete in minutes on business fiber, thanks to symmetric upload speeds that residential plans simply cannot match.
- Static IP addresses: Static IPs from business plans support VPN tunnels, remote access, payment compliance, and server hosting. Residential IPs change periodically, causing unpredictable disruptions to these services.
- Terms of service: Operating a business on residential internet in Seattle risks TOS violations that could result in throttling, service suspension, or account termination at the worst possible time.
- Priority repair: Priority repair is a major differentiator: Seattle business accounts get 4-8 hour on-site windows versus 24-72 hours for residential service calls.
Business Internet FAQs for Seattle, WA
What is the fastest business internet available in Seattle, WA?
The fastest business internet in Seattle comes from Comcast Business, offering speeds up to 10 Gbps. Fiber-based plans deliver symmetric upload and download speeds, which is essential for video conferencing, cloud backups, and VoIP phone systems used by Seattle businesses.
Do business internet providers in Seattle offer SLAs?
Absolutely. Business internet providers in Seattle offer SLAs guaranteeing uptime levels. Comcast Business backs its service with a 99.99% uptime on dedicated fiber, meaning your business gets contractual assurance and financial remedies if service falls below committed levels.
Can I get a static IP address for my Seattle business?
Yes, most business internet providers in Seattle offer static IP addresses. Comcast Business includes 1 included (up to 13). Businesses need static IPs for VPN tunnels, server hosting, security camera systems, and PCI-compliant payment processing.
How much does business internet cost in Seattle?
Business internet in Seattle 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. Comcast Business pricing starts at $70.
Is fiber internet available for businesses in Seattle?
Fiber internet is available in Seattle from 5 providers: AT&T Internet, CenturyLink, Xfinity, Verizon Fios, Ziply Fiber. Fiber offers the fastest and most reliable connection type for businesses, with symmetric upload/download speeds and lower latency compared to cable or DSL. Coverage varies by address, so check availability at your specific business location.
What upload speed do I need for my Seattle business?
For basic cloud and email usage, 25 Mbps upload suffices for Seattle 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 Seattle, visit our Seattle Internet Providers page. Compare plans across Washington on our Washington 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 Seattle business location.