Top App Development Companies in Bulgaria

Between them, the 27 app development companies on this page cover financial services (12), android (9), business services (7) and mobile app development (6). They also list work in Sofia and Plovdiv. 27 of them have written a profile you can read before you get in touch.

1. 1

   

   Klevret

   Partnership · .NET · Agile

   Klevret is a software development company headquartered in Blagoevgrad, Bulgaria.

   Write a review

   Why #1: Based in Blagoevgrad, Bulgaria · Founded 2015 · ISO 9001, ISO 27001 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   ICON Worldwide AG

   Mobile App Development · Hospitality & Leisure · Custom Software Development · Also in Switzerland

   ICON Worldwide AG is a development agency headquartered in Zurich, with an engineering hub in Sofia, Bulgaria.

   Write a review

   Why #2: Based in Zurich, Switzerland, with a hub in Sofia, Bulgaria · Founded 2005 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   Diadraw

   Consumer Products & Services · Financial Services · Business Services

   Diadraw is a software development team based in Bulgaria that has been building since 2011.

   Write a review

   Why #3: Based in Bulgaria · Founded 2011 — as stated on its own website, read 29 Sept 2026

   Not yet on record: client reviews, vetting.

4. 4

   

   Infoleven GmbH

   Supply Chain, Logistics, and Transport · Financial Services · Information Technology · Also in Germany

   Sofia-based web and mobile development company working long term with corporate clients and on projects for smaller firms

   Write a review

   Why #4: Based in Sofia, Bulgaria · Founded 2015 · Team of 40+ — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

5. 5

   

   Dision

   Mobile App Development · Web Development · iOS App

   Dision is a mobile development company based in Sofia, Bulgaria. Yavor Yordanov started it in 2015 after about five years as a freelance mobile developer.

   Write a review

   Why #5: Based in Sofia, Bulgaria · Founded 2015 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

6. =6

   

   Exelor

   Financial Services · eCommerce · Education

   Exelor is a software company that began in mobile and web development and now focuses on AI automation for enterprises.

   Write a review

   Why #6 (shared): Based in str. Vasil Levski 52, office 7, Plovdiv, BG, 4023 · In business 10+ years — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

7. =6

   

   Future Contrast

   Android · Partnership · Also in Europe

   Future Contrast makes mobile applications and websites, taking projects from an early idea to a working product.

   Write a review

   Why #6 (shared): Based in Sofia, Bulgaria · In business 10+ years — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

8. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
9. –

   

   InterConsult Bulgaria

   Financial Services · Business Services · Manufacturing

   InterConsult Bulgaria provides software development and consultancy for clients in Scandinavia, Western Europe and North America.

   Write a review

   On record: In business 25+ years — as stated on its own website, read 5 Oct 2026

10. –

    

    Hakomo

    Consumer Products & Services · Advertising & Marketing · Custom Software Development · Also in York and Sofia

    Hakomo is a small development and consulting agency that builds complete web and mobile products, taking them from first concept to deployment.

    Write a review

    On record: In business 10+ years — as stated on its own website, read 28 Sept 2026

11. –

    

    Donatix

    Mobile App Development · Hospitality & Leisure · Financial Services

    Donatix is a software development and IT consulting studio that takes projects from first idea through to launch and ongoing growth.

    Write a review
12. –

    

    20 Studio

    Android · Also in Plovdiv

    Based in Plovdiv, Bulgaria, 20 Studio is a small team that develops websites, online stores and mobile applications and designs the branding around them.

    Write a review

    On record: Based in Plovdiv, Bulgaria · Small team

13. –

    

    AppGreat

    Consumer Products & Services · Arts, Entertainment & Music · Financial Services

    Engineering services firm building development teams for technology companies from offices in Sofia, Plovdiv, Skopje and Bucharest

    Write a review

    On record: Based in Sofia, Plovdiv, Skopje and Bucharest

14. –

    

    Appolica

    Arts, Entertainment & Music · Hospitality & Leisure · Financial Services

    Appolica is a product development studio that helps start-ups build digital products, from a first MVP to a full-scale platform.

    Write a review
15. –

    

    BGO Software

    Medical

    Software developer building compliant systems for pharmaceutical, biotech, clinical research and digital health organisations

    Write a review

    On record: Based in Ring Tower Okolovrasten pat 251E BG-1766, Sofia, 1766

16. –

    

    Conceptik

    Mobile App Development · Web Development · E-Commerce Development

    Conceptik, a software developer in Varna, Bulgaria, takes on custom builds for businesses with complex or unusual workflows.

    Write a review

    On record: Based in Varna, Bulgaria

17. –

    

    CoreTeam.io

    Java · React · Backend · Also in Sofia

    CoreTeam.io sets up and runs engineering teams for GenAI and deep-tech startups, based in Serbia and Bulgaria.

    Write a review

    On record: Office in Bulgaria

18. –

    

    Creative Web Bulgaria

    Advertising & Marketing · Financial Services · Business Services

    Creative Web Bulgaria is a web and design studio that works in Bulgarian. It creates brand identities, designs interfaces and builds websites, online stores and mobile apps.

    Write a review

    On record: Based in Bulgaria

19. –

    

    EditCreation

    Supply Chain, Logistics, and Transport · Consumer Products & Services · Arts, Entertainment & Music

    EditCreation is a digital studio that designs and builds software and digital products for businesses.

    Write a review

    On record: Based in Sofia

20. –

    

    Elders Ltd.

    Advertising & Marketing · Information Technology · eCommerce · Also in Plovdiv

    Elders Ltd. is a small software development company in Plovdiv, Bulgaria.

    Write a review

    On record: Based in Plovdiv, Bulgaria

21. –

    

    Enterprise SDS

    Enterprise SDS is a software development company based in Bulgaria.

    Write a review

    On record: Based in Bulgaria

22. –

    

    Fundamental Studio Ltd.

    Consumer Products & Services · Arts, Entertainment & Music · Business Services

    Fundamental Studio Ltd. is a digital studio that designs websites and builds online platforms for clients.

    Write a review

    On record: Based in 70-72 Cherni vrah blvd., Sofia, BG, 1407

23. –

    

    IndigoVerge

    Mobile App Development · Hospitality & Leisure · Financial Services

    IndigoVerge provides software development and technology consulting, building applications for the web, mobile and desktop.

    Write a review
24. –

    

    Infinno

    Financial Services · Education

    Infinno is a development company in Sofia, Bulgaria that writes software and designs devices for business customers.

    Write a review

    On record: Based in Sofia, Bulgaria

25. –

    

    ITBP Ltd.

    Business Services · Manufacturing · Retail

    ITBP Ltd., also written IT Business Projects Ltd., is a software company in Bulgaria.

    Write a review

    On record: Based in Bulgaria

Articles

Related reading

Articles on this subject first, then the newest.

All articles

Mobile App Development

17 Sept 2026 · TrustList Editorial

How to choose a mobile app development company: the 2026 buyer's guide

What to check before hiring an app developer: store accounts and review rules, OWASP MASVS security, privacy declarations, ownership and…

Invoice Management

5 Oct 2026 · TrustList Editorial

Nine e-invoicing and tax-system deadlines in four days of news, and none of them in the EU or the US

Our own count: nine e-invoicing and tax-system changes published 2 to 5 October from seven countries, none in the EU or US. Median warning…

Nigeria

5 Oct 2026 · TrustList Editorial

Nigeria: NITDA National AI Innovation Challenge for N-ATLAS builders closes applications on 12 October 2026

Nigeria's digital economy ministry, through NITDA's NCAIR, takes applications until 12 October 2026 for working solutions built on the…