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

Last Updated 27th July 2026 | Category: Top App Development Firms

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

1. Hyperlink InfoSystem

Not Claimed
Founded 2011
Employees 1000+
Hourly Rate < $25
Our Rating 5.0/5 (65 reviews)
Avg. Project Cost BGN 86,071+
Contact No +13097914105
mobile app development
web development
vr app development
ar app development
unity 3d game development
wearable app development
ui-ux design
web design
internet of things
ai development

2. Melon

Not Claimed
Founded 2003
Employees 50 - 249
Hourly Rate $25 - $49
Our Rating 4.6/5 (7 reviews)
Avg. Project Cost BGN 172,142+
Contact No +35929641780
mobile app development
web development
ui-ux design
custom software development
game development

3. Futurist Labs

Not Claimed
Founded 2014
Employees 10 - 49
Hourly Rate $25 - $49
Our Rating 4.5/5 (6 reviews)
Avg. Project Cost BGN 43,035+
Contact No +359876606513
mobile app development
web development
custom software development
chat bots & ai development

4. MentorMate

Not Claimed
Founded 2001
Employees 500 - 999
Hourly Rate $50 - $99
Our Rating 4.6/5 (7 reviews)
Avg. Project Cost BGN 8,607,120+
Contact No +46706466067
mobile app development
web development
ui-ux design
custom software development
internet of things
cloud solutions

5. Uran Company

Not Claimed
Founded 2006
Employees 50 - 249
Hourly Rate $25 - $49
Our Rating 4.5/5 (8 reviews)
Avg. Project Cost BGN 43,035+
Contact No +359877267117
mobile app development
web development
custom software development
e-commerce development
enterprise app development

6. Design Thumbprint

Not Claimed
Founded N/A
Employees 2 - 9
Hourly Rate N/A
Our Rating 4.6/5 (6 reviews)
Avg. Project Cost BGN 17,214+
Contact No +14056555844
mobile app development
web development
ui-ux design
custom software development
web design
social media marketing
seo

7. Donatix

Not Claimed
Founded 2015
Employees 10 - 49
Hourly Rate $25 - $49
Our Rating 4.5/5 (6 reviews)
Avg. Project Cost BGN 172,142+
Contact No +359885042638
mobile app development
web development
custom software development
web design
logo designing

8. BGO Software

Not Claimed
Founded 2008
Employees 50 - 249
Hourly Rate $25 - $49
Our Rating 4.7/5 (7 reviews)
Avg. Project Cost BGN 86,071+
Contact No +359884678299
mobile app development
web development
custom software development
enterprise app modernization
web design
seo
content management system
logo designing

9. Upnetix JSC

Not Claimed
Founded 2015
Employees 50 - 249
Hourly Rate $50 - $99
Our Rating 4.3/5 (6 reviews)
Avg. Project Cost BGN 172,142+
Contact No +35924233244
mobile app development
web development
ui-ux design
custom software development
internet of things
cloud solutions

10. Dision

Not Claimed
Founded 2015
Employees 2 - 9
Hourly Rate $50 - $99
Our Rating 4.6/5 (7 reviews)
Avg. Project Cost BGN 43,035+
Contact No +359876566334
mobile app development
web development
wearable app development
ui-ux design
internet of things

FAQs

How do I compare App Development companies in Bulgaria side by side for Windows projects?
Build a structured scorecard comparing App Development companies in Bulgaria 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.
Why should I hire a App Development company in Bulgaria for my Windows project?
Hiring a App Development company in Bulgaria for your Windows project typically provides a meaningful cost advantage over equivalent talent in Western Europe or North America without a proportional reduction in output quality. The region's maturing technology ecosystem has produced a large pool of Windows-experienced engineers who have delivered production-grade solutions for international clients across multiple industries. Closer time zone alignment also reduces synchronization friction and enables faster turnaround on urgent Windows development tasks compared to fully offshore alternatives.
How much does Windows development cost when hiring a App Development company in Bulgaria?
Windows development costs with a App Development company in Bulgaria 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 Bulgaria gives you the most reliable cost benchmark for your specific Windows scope and quality expectations.
How can I report incorrect information about a App Development company's Windows listing in Bulgaria?
If you encounter inaccurate, outdated, or misleading content on a App Development company's Windows listing for Bulgaria, use the platform's dispute or report mechanism to flag the specific claim and provide any supporting evidence you have. The directory team investigates substantiated reports and updates or removes listing content that fails to meet the verified accuracy standard for Windows credentials. Submitting correction reports benefits the entire buyer community — users who invest in flagging errors help ensure that other buyers can rely on the Windows company listings for Bulgaria when making high-stakes vendor decisions.
What should I ask a App Development company in Bulgaria about their Windows delivery process before signing?
Before signing with a App Development company in Bulgaria for Windows work, ask how they manage scope changes mid-project, who holds ownership of the Windows source code upon project completion, and what their post-launch SLA and defect resolution process looks like in practice — not just in the brochure. Clarify whether project management and QA are dedicated functions or absorbed by the development team, and ask specifically how they handle the departure of a key Windows team member during active delivery. Getting written answers to these questions before contract signature prevents the most common and expensive disputes that arise in Windows project engagements.
What KPIs should a App Development company in Bulgaria track for my Windows project?
A results-oriented App Development company in Bulgaria 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 Bulgaria is optimizing toward your business outcomes throughout the engagement — not just shipping features that satisfy the written specification.
Where can I find verified case studies from App Development companies in Bulgaria covering Windows work?
Verified Windows case studies from App Development companies in Bulgaria are published on platforms such as Clutch, GoodFirms, and The Manifest — all of which require third-party client validation before a case study is listed publicly. The most informative Windows case studies include the client's initial challenge, the proposed solution approach, the technologies and architecture used, the delivery timeline, and quantified outcomes such as a 40% reduction in load time or a 25% improvement in conversion rate. Prioritize App Development firms in Bulgaria whose Windows case studies match your project in both industry vertical and technical complexity — this alignment is the strongest leading indicator of delivery fit.

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