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Top Software Development Companies for Custom Software Development

67 of 125 software development companies ranked on evidence in the Q4 2026 edition.

Between them, the 121 best-ranked of these 122 software development companies cover web development (106), software development (93), web design (90) and mobile app development (68). They also list work in Ahmedabad, Ivano Frankivs'k, Ukraine, Kyiv and Lviv. 121 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

67 of 125 software development companies ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

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Only businesses that have told TrustList match a filter. Filters never change the order or a score.

  1. Daxima Inc. logo

    Web Development · Software Development · Web Design · Also in United States of America

    Daxima Inc. is a software development company founded in 2003, with offices in several countries.

    Why #25 (shared): Founded 2003, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  2. Spiria logo

    Mobile App Development · Embedded Software Development · Web Development · Also in Canada

    Spiria is a software company that designs and builds custom digital systems for organisations in many industries.

    Why #25 (shared): Founded 2003, as stated on its own website, read 6 Oct 2026

    Not yet on record: client reviews, vetting.

  3. Securenext logo

    Mobile App Development · Web Development · Staff Augmentation · Also in Chennai

    Securenext writes bespoke software from Chennai, India, where it started in 2003. A second office is in Clovis, California.

    Why #25 (shared): Founded 2003, as stated on its own website, read 6 Oct 2026

    Not yet on record: client reviews, vetting.

  4. Svitla Systems logo

    Mobile App Development · Software Development · Mobile Platforms · Also in United States of America

    Software engineering company offering custom development, data, cloud and AI services through managed and extended teams

    Why #25 (shared): Founded 2003, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  5. Logic Way logo

    Web Development · Web Design · UI/UX Design · Also in United Kingdom

    Logic Way is an IT services company that has operated since 2004.

    Why #29: Founded 2004, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  6. Selleo logo

    Web Development · Software Development · Web Design · Also in Poland

    Selleo is a software development company founded in Poland in 2005 and still headquartered there.

    Why #30 (shared): Founded 2005, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  7. Asahi Technologies logo

    UI/UX Design · E-Commerce Development · Drupal CMS · Also in United States of America

    Custom software developer serving healthcare, medical and life science organisations with consulting, builds and dedicated teams

    Why #30 (shared): Founded 2005, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  8. Light-it logo

    Mobile App Development · Web Development · Software Development · Also in Montevideo and Kyiv

    Light-it has been building software for businesses since 2006, and its portfolio spans clinics, banks, schools and logistics firms.

    Why #32 (shared): Founded 2006, as stated on its own website, read 28 Sept 2026

    Not yet on record: client reviews, vetting.

  9. Parthenon Software Group logo

    Mobile App Development · Web Development · Software Development · Also in United States of America

    Parthenon Software Group is a software development company based in the Pacific Northwest of the United States.

    Why #32 (shared): In business 20+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  10. LDXLab logo

    Software Development · Outsourcing

    LDXLab is a software outsourcing company that provides development talent to client businesses.

    Why #32 (shared): In business 20+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  11. Flexaspect LLC logo

    Mobile App Development · Search Engine Optimization · Web Development · Also in United States of America

    Flexaspect LLC operates as FlexMade, a software development company with a presence across the USA and Europe and technical roots in Ukraine.

    Why #32 (shared): Founded 2006, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  12. Binary-Studio logo

    Web Development · Software Development · Web Design · Also in Ukraine

    Ukrainian software development agency providing dedicated teams and full-cycle application development for tech companies

    Why #32 (shared): In business 20+ years · Boutique, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  13. CodeIT logo

    Mobile App Development · Mobile Platforms · iOS App · Also in Kharkiv, Ukraine and Vinnytsia, Ukraine

    CodeIT builds and scales digital software for clients in Europe, the US and elsewhere, working as an engineering firm.

    Why #38: Founded 2007, as stated on its own website, read 6 Oct 2026

    Not yet on record: client reviews, vetting.

  14. SoftTeco logo

    Web Development · Software Development · Web Design · Also in Belarus

    SoftTeco is a custom software development company founded in 2008. It builds software for customers in the USA, Europe and Canada, and also provides IT outsourcing.

    Why #39: Founded 2008 · Project numbers stated on its own website, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  15. Radixweb logo

    Mobile App Development · Search Engine Optimization · Web Development · Also in India

    Radixweb is a custom software engineering company that builds software platforms for enterprises and growing businesses worldwide.

    Why #40 (shared): In business 18+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  16. KeyUA logo

    Web Development · E-Commerce Development · IT Outsourcing · Also in United Kingdom

    KeyUA is a custom software development company founded in 2008. It helps entrepreneurs and executives build software that meets business goals without years of development.

    Why #40 (shared): Founded 2008, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  17. CMARIX TechnoLabs logo

    Web Development · Software Development · Web Design · Also in India

    CMARIX TechnoLabs is a software development company based in Ahmedabad, India, working with start-ups, small firms and enterprises worldwide.

    Why #42 (shared): Founded 2009, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  18. Nodo logo

    Mobile App Development · Web Development · Software Development · Also in Argentina

    Argentine software engineering firm building custom applications, migrations and integrations for telecommunications and other businesses

    Why #42 (shared): Founded 2009, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  19. Digiteum, Digital Technology Agency logo

    Web Development · Software Development · Web Design · Also in United States of America

    Digiteum, Digital Technology Agency is a custom software development company founded in 2010.

    Why #44 (shared): Founded 2010, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  20. Agilityfeat, Inc logo

    Mobile App Development · Web Development · Software Development · Also in United States of America

    Agilityfeat, Inc is a software development and UX design firm that has run nearshore teams in Latin America since 2010.

    Why #44 (shared): Founded 2010, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  21. Sofmen Inc. logo

    Mobile App Development · ERP Software Development · iOS App · Also in United States of America

    Sofmen Inc. builds software applications from design through delivery for clients of all sizes.

    Why #46 (shared): In business 15+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  22. ARKA Softwares logo

    Mobile App Development · Social Media Marketing · Web Development · Also in United States of America

    ARKA Softwares is a software development company that builds custom software, mobile apps and AI-based products.

    Why #46 (shared): In business 15+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  23. Clarisoft Technologies logo

    Mobile App Development · Web Development · Software Development · Also in United States of America

    Clarisoft Technologies is a software outsourcing company that builds custom software for businesses.

    Why #46 (shared): In business 15+ years, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

  24. Emerline logo

    Mobile App Development · Web Development · Software Development · Also in United States of America

    Emerline is a custom software development company that has operated since 2011 as part of LeverX Group.

    Why #46 (shared): Founded 2011, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

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