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Best Business Internet Providers in Newcastle, WA

All 10 business internet providers, ranked by coverage, speed and customer ratings

Newcastle has 10 business internet providers. They are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Newcastle.

This page reflects the most recent FCC update from October 19, 2026, based on the Broadband Data Collection as of December 31, 2025.

Business Internet in Newcastle, WA at a Glance

Business providers10Offering 4 kinds of internet service in NewcastleSee the ranking
Average top speed1,985 MbpsThe fastest here: Astound Broadband, XFINITY from Comcast, and Quantum FiberCompare speeds
ISP Report CardCSpeed, coverage and choice of providersWhat it means for businesses
Customer ratings2Reviews from Newcastle customersRead the reviews

Newcastle Business Internet Providers, Ranked by Coverage, Speed and Customer Ratings

Comcast Business

Comcast Business logo

Availability:

100.0%

Customer Rating:

3.3 of 5 stars

(2,296)

Connection

Availability

Typical Top Speed InfoThe fastest speed available to most Newcastle residents, weighted by block population.

Max Download Speed InfoThe highest download speed available in Newcastle.

Customer Rating

Fiber

11.9%

1,921 Mbps

2,000 Mbps

Fiber: 3.5 of 5 stars

(289)

Cable

100.0%

1,985 Mbps

2,000 Mbps

Cable: 3.3 of 5 stars

(2,006)

Centurylink Business

Centurylink Business logo

Availability:

92.1%

Customer Rating:

3.2 of 5 stars

(177)

Connection

Availability

Typical Top Speed InfoThe fastest speed available to most Newcastle residents, weighted by block population.

Max Download Speed InfoThe highest download speed available in Newcastle.

Customer Rating

Fiber

6.2%

709 Mbps

940 Mbps

Fiber: 3.8 of 5 stars

(61)

DSL

92.1%

101 Mbps

140 Mbps

DSL: 2.9 of 5 stars

(116)

Quantum Fiber

Quantum Fiber logo

Availability:

19.3%

Customer Rating:

3.9 of 5 stars

(50)

Connection

Availability

Typical Top Speed InfoThe fastest speed available to most Newcastle residents, weighted by block population.

Max Download Speed InfoThe highest download speed available in Newcastle.

Customer Rating

Fiber

19.3%

1,220 Mbps

2,000 Mbps

Fiber: 3.9 of 5 stars

(50)

Zayo

Zayo logo

Availability:

13.3%

Customer Rating:

0.0 of 5 stars

(0)

View Plans

Price:

Connection

Availability

Typical Top Speed InfoThe fastest speed available to most Newcastle residents, weighted by block population.

Max Download Speed InfoThe highest download speed available in Newcastle.

Customer Rating

Fiber

13.3%

869 Mbps

1,000 Mbps

Fiber: 0.0 of 5 stars

(0)

Astound Business

Astound Business logo

Availability:

11.7%

Customer Rating:

3.3 of 5 stars

(117)

Connection

Availability

Typical Top Speed InfoThe fastest speed available to most Newcastle residents, weighted by block population.

Max Download Speed InfoThe highest download speed available in Newcastle.

Customer Rating

Fiber

11.7%

2,000 Mbps

2,000 Mbps

Fiber: 3.3 of 5 stars

(20)

AT&T Business

AT&T Business logo

Availability:

98.0%

Customer Rating:

3.6 of 5 stars

(994)

Connection

Availability

Typical Top Speed InfoThe fastest speed available to most Newcastle residents, weighted by block population.

Max Download Speed InfoThe highest download speed available in Newcastle.

Customer Rating

Fixed Wireless

98.0%

47 Mbps

100 Mbps

Wireless: 0.0 of 5 stars

(0)

T-Mobile for Business

T-Mobile for Business logo

Availability:

96.5%

Customer Rating:

4.0 of 5 stars

(317)

Connection

Availability

Typical Top Speed InfoThe fastest speed available to most Newcastle residents, weighted by block population.

Max Download Speed InfoThe highest download speed available in Newcastle.

Customer Rating

Fixed Wireless

96.5%

87 Mbps

100 Mbps

Wireless: 0.0 of 5 stars

(0)

Verizon Business

Verizon Business logo

Availability:

50.9%

Customer Rating:

3.8 of 5 stars

(772)

Connection

Availability

Typical Top Speed InfoThe fastest speed available to most Newcastle residents, weighted by block population.

Max Download Speed InfoThe highest download speed available in Newcastle.

Customer Rating

Fixed Wireless

50.9%

31 Mbps

200 Mbps

Wireless: 0.0 of 5 stars

(0)

Satellite providers generally have 100% coverage, so we have included these options below.

Dish

Dish logo

Availability:

100%

Customer Rating:

3.6923 of 5 stars

(13)

DirecTV

DirecTV logo

Availability:

100%

Customer Rating:

4.3333 of 5 stars

(9)

HughesNet

HughesNet logo

Availability:

100%

Customer Rating:

2.2500 of 5 stars

(24)

Viasat

Viasat logo

Availability:

100%

Customer Rating:

1.7273 of 5 stars

(11)

Starlink

Starlink logo

Availability:

100%

Customer Rating:

3.9649 of 5 stars

(57)

View Plans

Price:

Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.

Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Newcastle ratings may vary and are shown below.

Top Rated Business Internet Providers in Newcastle, WA

When selecting the best internet provider for your business, it’s important to consider user feedback. Our user reviews encompass all types of services provided by ISPs in Newcastle, WA, without asking users to differentiate between residential and business experiences. Because of this, the insights from residential users can be a reliable indicator of what you can expect from the business service as well.

To see all 2 customer reviews of providers in Newcastle, WA, visit our Internet Providers in Newcastle, WA page. The feedback there reflects the overall quality, reliability, and customer satisfaction of the service, which likely extends to their business offerings.

Which Providers are Available at my Business in Newcastle?

Coverage changes block by block. Pick a provider to see where its service reaches and the speeds it offers there. For your exact address, use the address search above.

Newcastle, WA map of business internet availability

Internet Availability Key

0%
10%
50%
100%

Speeds and coverage vary within the city, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.

Who is the Fastest Business Internet Provider in Newcastle?

Based on data provided by the internet providers to the FCC, Astound Broadband, XFINITY from Comcast, and Quantum Fiber should have faster speeds at a local level. If you’d like to see unbiased reviews for provider speed on residential service, please visit our page for residential internet in Newcastle.

Max Advertised Speed in Newcastle, WA
XFINITY from Comcast2,000
Quantum Fiber2,000
Astound Broadband2,000
Zayo Group1,000
CenturyLink940
Verizon200
Viasat100
AT&T100
T-Mobile Home Internet100
HughesNet25

How Much Speed Do Businesses in Newcastle Need?

While the speed a business needs is dependent on their own circumstances, we’ve analyzed the business environment in Newcastle, WA from a high level. We’ve categorized every occupation tracked by the Census Bureau’s American Community Survey into 4 groups based largely on their overall connectivity needs.

Occupational Category Breakdown in Newcastle, WA
Core Office / Administrative 55%
Knowledge Work / Technical 14%
Service and Support 19%
Hands-On and On-Site 12%

Core Office / Administrative

Newcastle is a key center for Core Office / Administrative professionals, with Management (17.5%), IT and Math Professionals (14.8%), and Business and Financial Roles (9.3%) leading the local workforce. For these roles, reliable, high-speed internet is critical for maintaining continuous operations, facilitating real-time communication, and managing complex organizational tasks. The high concentration of these occupations drives a considerable demand for top-tier internet services, essential for sustaining Newcastle's administrative efficiency and productivity.

Knowledge Work / Technical

Newcastle is a hub for Knowledge Work / Technical professionals, with Healthcare Practitioners (6.1%), Creative and Media Professionals (3.4%), and Healthcare Technicians (2.0%) leading the local workforce. For these roles, top-tier internet infrastructure is indispensable, enabling real-time data analysis, cloud computing, and uninterrupted collaboration on a global scale. Given the high concentration of these occupations, the city's overall internet demands are among the highest, driving a strong need for the most advanced and reliable connectivity solutions available.

Service and Support

In Newcastle, Service and Support roles account for a smaller portion of the local workforce. The top occupations in this category are Sales Professionals (8.1%), Office Staff (8.0%), and Service Industry Workers (1.5%) . While these roles depend on internet access for tasks such as customer service, online transactions, and communication, only a small percentage of the population relies on these functions daily. As a result, the overall demand for reliable internet services in this category is relatively low compared to city with a higher concentration of these occupations.

Hands-On and On-Site

In Newcastle, Hands-On and On-Site roles make up a smaller portion of the local workforce. The top occupations in this category are Food Service Workers (3.4%), Industrial Workers (2.3%), and Construction Workers (2.1%) . While these roles may rely on internet access for tasks like logistics coordination, equipment monitoring, and real-time communication, the overall demand for advanced internet services is relatively low. As a result, the city's need for robust connectivity in this sector is less critical compared to cities with a higher concentration of these occupations.

Shopping for Business Internet in Newcastle, WA

Based on the mix of occupations in Newcastle, WA, it has a strong demand for advanced internet services. With a significant portion of the workforce in roles that depend on fast, reliable, and sometimes symmetrical connections, the city requires high-quality internet infrastructure to support its operations.

Newcastle, WA is graded C according to our ISP Report Card. This report card evaluates the city’s internet quality, focusing on key factors like speed, coverage, and provider options, to determine how well the available services meet business needs. Comparing this grade to the mix of occupations, we can conclude that this score is below what the city needs to support its workforce.

Fiber, Cable, Fixed Wireless and DSL Business Internet in Newcastle

Which Fiber Business Internet Providers are Available in Newcastle?

Quantum Fiber in Newcastle, WA

Quantum Fiber logo

Availability:

19.3%

Customer Rating:

3.9 of 5 stars

(50)

Typical Top Speed

1,220 Mbps

Quantum Fiber offers Fiber service to 19.3% of Newcastle locations. Across the city, Quantum Fiber is the only type of service available from the company, with speeds up to 1,220 Mbps, with speeds from 940 Mbps up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low as 940 Mbps and as high as 1,000 Mbps, with an average of 956 Mbps throughout the city. Quantum Fiber is rated the same as other types of internet service available in Newcastle from Quantum Fiber in terms of customer satisfaction.

Zayo Fiber in Newcastle, WA

Zayo logo

Availability:

13.3%

Customer Rating:

 of 5 stars

(0)

Typical Top Speed

869 Mbps

Zayo Group offers Fiber service to 13.3% of Newcastle locations. Across the city, Zayo Fiber is the only type of service available from the company, with speeds up to 869 Mbps, with speeds from 100 Mbps up to 1,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for Zayo Fiber. Zayo Fiber is rated other types of internet service available in Newcastle from Zayo in terms of customer satisfaction.

XFINITY Fiber in Newcastle, WA

Comcast Business logo

Availability:

11.9%

Customer Rating:

3.5 of 5 stars

(289)

Typical Top Speed

1,921 Mbps

Comcast Business offers Fiber service to 11.9% of Newcastle locations. Across the city, XFINITY Fiber has speeds up to 1,921 Mbps, with speeds from 50 Mbps up to 2,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for XFINITY Fiber. XFINITY Fiber is rated about the same as other types of internet service available in Newcastle from Comcast Business in terms of customer satisfaction.

Astound Business Fiber in Newcastle, WA

Astound Business logo

Availability:

11.7%

Customer Rating:

3.3 of 5 stars

(20)

Typical Top Speed

2,000 Mbps

Astound Business offers Fiber service to 11.7% of Newcastle locations. Across the city, Astound Business Fiber is the only type of service available from the company, with speeds up to 2,000 Mbps, with speeds from 2,000 Mbps up to 2,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for Astound Business Fiber. Astound Business Fiber is rated the same as other types of internet service available in Newcastle from Astound Business in terms of customer satisfaction.

CenturyLink Fiber in Newcastle, WA

Centurylink Business logo

Availability:

6.2%

Customer Rating:

3.8 of 5 stars

(61)

Typical Top Speed

709 Mbps

Centurylink Business offers Fiber service to 6.2% of Newcastle locations. Across the city, CenturyLink Fiber has speeds up to 709 Mbps, with speeds from 200 Mbps up to 940 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for CenturyLink Fiber. CenturyLink Fiber is rated lower than other types of internet service available in Newcastle from Centurylink Business in terms of customer satisfaction.

Which Cable Business Internet Providers are Available in Newcastle?

XFINITY Cable in Newcastle, WA

Comcast Business logo

Availability:

100.0%

Customer Rating:

3.3 of 5 stars

(2,006)

Typical Top Speed

1,985 Mbps

Comcast Business offers Cable service to 100.0% of Newcastle locations. Across the city, XFINITY Cable has speeds up to 1,985 Mbps, with speeds from 1,200 Mbps up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low as 35 Mbps and as high as 2,000 Mbps, with an average of 445 Mbps throughout the city. XFINITY Cable is rated the same as other types of internet service available in Newcastle from Comcast Business in terms of customer satisfaction.

Which Fixed Wireless and LTE Business Internet Providers are Available in Newcastle?

AT&T Business Fixed Wireless in Newcastle, WA

AT&T Business logo

Availability:

98.0%

Customer Rating:

 of 5 stars

(0)

Typical Top Speed

47 Mbps

AT&T Business offers Fixed Wireless service to 98.0% of Newcastle locations. Across the city, AT&T Business Fixed Wireless is the only type of service available from the company, with speeds up to 47 Mbps, with speeds from 10 Mbps up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low as 1.0 Mbps and as high as 6.0 Mbps, with an average of 3.7 Mbps throughout the city. AT&T Business Fixed Wireless is rated other types of internet service available in Newcastle from AT&T Business in terms of customer satisfaction.

T-Mobile for Business Fixed Wireless in Newcastle, WA

T-Mobile for Business logo

Availability:

96.5%

Customer Rating:

 of 5 stars

(0)

Typical Top Speed

87 Mbps

T-Mobile for Business offers Fixed Wireless service to 96.5% of Newcastle locations. Across the city, T-Mobile for Business Fixed Wireless is the only type of service available from the company, with speeds up to 87 Mbps, with speeds from 25 Mbps up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low as 3.0 Mbps and as high as 20 Mbps, with an average of 17 Mbps throughout the city. T-Mobile for Business Fixed Wireless is rated other types of internet service available in Newcastle from T-Mobile for Business in terms of customer satisfaction.

Verizon Business Fixed Wireless in Newcastle, WA

Verizon Business logo

Availability:

50.9%

Customer Rating:

 of 5 stars

(0)

Typical Top Speed

31 Mbps

Verizon Business offers Fixed Wireless service to 50.9% of Newcastle locations. Across the city, Verizon Business Fixed Wireless is the only type of service available from the company, with speeds up to 31 Mbps, with speeds from 10 Mbps up to 200 Mbps depending on the address. Upload speeds differ from download speeds, and are as low as 1.0 Mbps and as high as 30 Mbps, with an average of 4.2 Mbps throughout the city. Verizon Business Fixed Wireless is rated other types of internet service available in Newcastle from Verizon Business in terms of customer satisfaction.

Which DSL Business Internet Providers are Available in Newcastle?

CenturyLink DSL in Newcastle, WA

Centurylink Business logo

Availability:

92.1%

Customer Rating:

2.9 of 5 stars

(116)

Typical Top Speed

101 Mbps

Centurylink Business offers DSL service to 92.1% of Newcastle locations. Across the city, CenturyLink DSL has speeds up to 101 Mbps, with speeds from 10 Mbps up to 140 Mbps depending on the address. Upload speeds differ from download speeds, and are as low as 1.0 Mbps and as high as 20 Mbps, with an average of 13 Mbps throughout the city. CenturyLink DSL is rated about the same as other types of internet service available in Newcastle from Centurylink Business in terms of customer satisfaction.

Business Internet in Cities near Newcastle, WA

Businesses looking in the greater area surrounding Newcastle, WA can use this list to navigate nearby cities.

Mercer Island, WA

  • Average Download Speed: 2,314
  • Fiber Coverage: 56.0%
East Renton Highlands, WA

  • Average Download Speed: 1,884
  • Fiber Coverage: 13.0%
Renton, WA

  • Average Download Speed: 2,046
  • Fiber Coverage: 30.8%
Beaux Arts Village, WA

  • Average Download Speed: 1,498
  • Fiber Coverage: 100.0%
Bryn Mawr-Skyway, WA

  • Average Download Speed: 2,879
  • Fiber Coverage: 67.7%
Bellevue, WA

  • Average Download Speed: 3,141
  • Fiber Coverage: 52.7%
Fairwood, WA

  • Average Download Speed: 1,862
  • Fiber Coverage: 14.5%
Issaquah, WA

  • Average Download Speed: 1,900
  • Fiber Coverage: 43.7%
Tukwila, WA

  • Average Download Speed: 5,236
  • Fiber Coverage: 61.2%

What Businesses in Newcastle Should Look For in Internet Service

When selecting an internet service for your business in Newcastle, it’s important to consider the specialized features that can significantly impact your operations. Whether you’re a small business with basic needs or a large enterprise with complex demands, the right business internet plan can offer tailored solutions that enhance performance, security, and reliability. To see what speeds your business is currently getting, please visit our internet speed test tool. Below, we explore key features that could be critical for your business, ensuring you choose a service that aligns with your specific requirements.

Download Speed Requirements

Businesses often require reliable and fast download speeds to handle large data transfers, streaming, and other bandwidth-intensive activities. Business internet plans typically include guaranteed minimum speeds, dedicated bandwidth, and the removal of data caps, ensuring that these critical tasks are completed without interruption or slowdown.

Upload Speed Requirements

For businesses that rely on cloud services, video conferencing, or frequent file uploads, robust upload speeds are essential. Business internet plans typically offer symmetrical speeds, prioritized uploads, and solutions that enhance data transfer efficiency, making sure that critical tasks like cloud backups and real-time communication run smoothly.

Latency Sensitivity

Businesses with latency-sensitive applications, such as VoIP or real-time data processing, benefit from low-latency routing and Quality of Service (QoS) controls. These features prioritize time-sensitive traffic and optimize data paths, reducing delays and ensuring smooth operation of critical business functions.

Reliability and Redundancy

In business, downtime can be costly. Business internet plans often include service level agreements (SLAs) that guarantee uptime and performance. Additionally, features like redundant connections, automatic failover, and 24/7 network monitoring provide an extra layer of reliability, ensuring continuous service even during outages.

Scalability of Services

As businesses grow, so do their internet needs. Scalable business internet plans offer flexible bandwidth options, modular service packages, and the ability to upgrade services on demand without disruption. This ensures that businesses can easily adjust their internet resources as their demands evolve.

Cloud Service Integration

Businesses increasingly rely on cloud services for operations. Business internet plans often include dedicated cloud connections, hybrid cloud solutions, and optimized data transfer rates, making it easier to manage cloud-based applications securely and efficiently.

Security and Privacy Concerns

Security is a top priority for businesses, and business internet plans reflect this with features like built-in firewalls, DDoS protection, and VPN support. These services help protect against cyber threats and ensure that sensitive business data remains secure, both in transit and at rest.

Number of Connected Devices

Modern businesses often have many devices connected to their network, from computers to IoT devices. Business internet services provide high-capacity routers, device prioritization, and efficient IP address management to handle the load, ensuring smooth operation across all devices.

Remote Work Capabilities

With remote work becoming more common, businesses need internet services that support secure and efficient remote access. Business internet plans often include remote desktop services, VPNs, and unified communication tools, allowing employees to work effectively from anywhere.

As you evaluate business internet options in Newcastle, consider which of these specialized features will most benefit your operations. Whether you prioritize speed, reliability, security, or scalability, understanding your specific needs will help you identify the right service. When narrowing down the best ISP for your business, be sure to inquire about the features that align with your priorities, ensuring that the provider you choose can support your goals and keep your business running smoothly.