Top 10+ Windows App Development Companies in Bellevue | Windows App Developers Bellevue 2026

Last Updated 25th August 2026 | Category: Top App Development Firms

The List of Top 10+ Windows App Development Companies in Bellevue | Top Windows App Developers Bellevue 2026

1. Hyperlink InfoSystem

Sponsored
Claim Pending
Founded 2011
Employees 1000+
Hourly Rate < $25
Our Rating 5.0/5 (65 reviews)
Avg. Project Cost USD 50,000+
Contact No +13097914105
mobile app development
web development
vr app development
ar app development
wearable app development
iot app development
ui-ux design
Businesses looking for a reliable technology partner often consider Hyperlink InfoSystem. Their core services include Mobile App Development. Hyperlink InfoSystem employs 1000+ people. Clients can expect pricing around < $25/hr, with projects averaging about $50,000. Overall, Hyperlink InfoSystem is one of the options worth shortlisting for a technology project.
Not Claimed
Founded 2010
Employees 10 - 49
Hourly Rate $25 - $49
Our Rating 4.2/5 (8 reviews)
Avg. Project Cost USD 5,000,000+
Contact No +19728977687
mobile app development
web development
custom software development
Ventuso LLC is a software development company that turns ideas into working products. Their core services include Mobile App Development. The company operates with a team of 10 - 49 professionals. Typical hourly rates run around $25 - $49/hr, with an average project cost near $5,000,000. Overall, Ventuso LLC is one of the options worth shortlisting for a technology project.
Not Claimed
Founded 1998
Employees 2 - 9
Hourly Rate N/A
Our Rating 4.6/5 (6 reviews)
Avg. Project Cost USD 50,000+
Contact No +18028995510
mobile app development
web development
ui-ux design
web design
social media marketing
Earthlogic works with clients to plan, build, and ship digital products. The company's main offerings are Mobile App Development. Earthlogic employs 2 - 9 people. The average project on record costs around $50,000. These details offer a useful starting point when evaluating Earthlogic.
Founded 1994
Employees 10 - 49
Hourly Rate N/A
Our Rating 4.5/5 (6 reviews)
Avg. Project Cost USD 2,500,000+
Contact No +16032367266
web development
ui-ux design
web design
branding
social media marketing
seo
cloud solutions
Since 1994, Sequel Design Associates, Inc. has operated as a technology services provider. Their core services include Mobile App Development. Its team includes 10 - 49 specialists working across design, development, and delivery. The average project on record costs around $2,500,000. This gives a quick snapshot of what to expect when working with Sequel Design Associates, Inc.
Not Claimed
Founded N/A
Employees 2 - 9
Hourly Rate $50 - $99
Our Rating 4.8/5 (6 reviews)
Avg. Project Cost USD 2,500,000+
Contact No +15629019283
mobile app development
web development
vr app development
ui-ux design
custom software development
web design
virtual reality
To The Moon is a technology company. To The Moon focuses on AR/VR Development. To The Moon employs 2 - 9 people. Clients can expect pricing around $50 - $99/hr, with projects averaging about $2,500,000. This profile is a starting point — reach out to To The Moon directly to discuss project specifics.
Not Claimed
Founded 1998
Employees 10 - 49
Hourly Rate $100 - $149
Our Rating 4.2/5 (8 reviews)
Avg. Project Cost USD 5,000,000+
Contact No +19493917725
mobile app development
web development
ui-ux design
PhD Labs is a technology company founded in 1998. PhD Labs focuses on Mobile App Development and Custom Software Development. With 10 - 49 people on staff, PhD Labs can take on projects of varying size. Clients can expect pricing around $100 - $149/hr, with projects averaging about $5,000,000. This gives a quick snapshot of what to expect when working with PhD Labs.
Not Claimed
Founded 2007
Employees 10 - 49
Hourly Rate N/A
Our Rating 4.4/5 (8 reviews)
Avg. Project Cost USD 50,000+
Contact No +14802953420
mobile app development
custom software development
e-commerce development
360 Cloud Solutions works with clients to plan, build, and ship digital products. The company's main offerings are Cloud Services and Mobile App Development. 360 Cloud Solutions employs 10 - 49 people. The average project on record costs around $50,000. This gives a quick snapshot of what to expect when working with 360 Cloud Solutions.

8. Foundry

Not Claimed
Founded 2014
Employees 10 - 49
Hourly Rate $100 - $149
Our Rating 4.5/5 (6 reviews)
Avg. Project Cost USD 25,000+
Contact No +16122342026
mobile app development
web development
ui-ux design
custom software development
web design
branding
digital strategy
Foundry is a technology company founded in 2014. Their core services include Mobile App Development. The company operates with a team of 10 - 49 professionals. Clients can expect pricing around $100 - $149/hr, with projects averaging about $25,000. This profile is a starting point — reach out to Foundry directly to discuss project specifics.
Not Claimed
Founded 2014
Employees 2 - 9
Hourly Rate $100 - $149
Our Rating 4.5/5 (8 reviews)
Avg. Project Cost USD 10,000+
Contact No +15052346148
mobile app development
web development
ui-ux design
custom software development
web design
branding
e-commerce development
11 Online works with clients to plan, build, and ship digital products. The company's main offerings are Custom Software Development, Digital Marketing and Web Development. The company operates with a team of 2 - 9 professionals. Clients can expect pricing around $100 - $149/hr, with projects averaging about $10,000. This profile is a starting point — reach out to 11 Online directly to discuss project specifics.
Not Claimed
Founded 2010
Employees N/A
Hourly Rate N/A
Our Rating 4.5/5 (7 reviews)
Avg. Project Cost USD 5,000,000+
Contact No +13042070037
mobile app development
web development
ui-ux design
branding
social media marketing
seo
app marketing
Aronfield Agency has been in business since 2010, delivering technology projects for clients. Aronfield Agency focuses on Mobile App Development. Projects with this company average about $5,000,000. These details offer a useful starting point when evaluating Aronfield Agency.

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FAQs

How do I compare App Development companies in Bellevue side by side for Windows projects?
Build a structured scorecard comparing App Development companies in Bellevue across five dimensions: Windows portfolio relevance, client review scores, team seniority mix, communication quality during the discovery call, and post-launch support terms. Request itemized proposals from each firm and evaluate how specifically they address your Windows challenge — vague proposals signal a lack of genuine preparation. Direct conversations with two or three past clients from Windows engagements will reveal execution realities that no proposal document can capture.
What makes it safe to outsource Windows development to a App Development company in Bellevue?
Outsourcing Windows development to a reputable App Development company in Bellevue is safe when the right legal and operational safeguards are in place — a comprehensive NDA, an explicit IP assignment clause, defined data security standards aligned to your industry, and a clear contractual exit clause. Established App Development firms in Bellevue are experienced with international contract standards and typically maintain ISO 27001-aligned internal security policies that govern all client Windows project assets. Always verify the firm has independently confirmed references from past international Windows clients and have your legal counsel review key contract terms before project kickoff.
How much does Windows development cost when hiring a App Development company in Bellevue?
Windows development costs with a App Development company in Bellevue depend on project complexity, team composition, integration scope, and the required delivery timeline. A well-scoped small-to-mid-size Windows project typically ranges from $10,000 to $80,000, while enterprise-grade implementations with complex integrations, compliance requirements, and custom infrastructure can reach $250,000 or more. Requesting itemized fixed-price proposals from at least three App Development firms in Bellevue gives you the most reliable cost benchmark for your specific Windows scope and quality expectations.
How often is the App Development Windows company listing for Bellevue updated?
Company listings for Windows-specialized App Development firms in Bellevue are updated on a rolling basis as new client reviews are submitted, verified, and scored by the directory team. Full re-rankings occur quarterly, incorporating new Windows portfolio submissions, updated client reference checks, and any material changes in client satisfaction scores since the previous cycle. Companies that have completed significant new Windows work or received strong client reviews between ranking cycles may see mid-quarter position adjustments if the evidence materially changes their composite score.
How do I assess the true technical depth of a App Development team's Windows knowledge in Bellevue?
Assessing genuine Windows technical depth from a App Development team in Bellevue requires going beyond portfolio presentations — schedule a structured technical discovery call, present a real Windows challenge from your project context, and evaluate the quality of their proposed solution and architectural reasoning under light pressure. Ask to review anonymized code samples from past Windows builds, or request that a senior Windows engineer walk through a key design decision from a comparable past project and explain why they chose that approach over the alternatives. Published technical writing, open-source Windows contributions, and active participation in Windows community forums are additional evidence of genuine expertise rather than vendor-scripted positioning.
What KPIs should a App Development company in Bellevue track for my Windows project?
A results-oriented App Development company in Bellevue will define Windows project KPIs tied directly to your business objectives before a single line of code is written. Relevant metrics typically include user activation rate, Windows feature adoption depth, conversion rate improvement, monthly active user growth, churn reduction, and revenue impact attributable to new Windows capabilities. KPI definitions should be agreed in writing at project kickoff so the App Development team in Bellevue is optimizing toward your business outcomes throughout the engagement — not just shipping features that satisfy the written specification.
What is the best App Development company in Bellevue for a long-term Windows development partnership?
The best App Development companies in Bellevue for a long-term Windows partnership demonstrate organizational stability, a verifiable history of multi-year client relationships, dedicated team models with consistent staffing, and genuine investment in your Windows product strategy beyond the immediate sprint backlog. Ask specifically about average client relationship duration — firms that sustain Windows partnerships for three or more years demonstrate the kind of ongoing value delivery that justifies continued investment. The right long-term App Development partner in Bellevue for Windows will proactively contribute to your product roadmap, flag market-relevant opportunities early, and surface risks before you discover them yourself.

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