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Top IT Staff Augmentation Agencies for iOS App

20 of 57 IT staff augmentation agencies ranked on evidence in the Q4 2026 edition.

iOS development covers applications for iPhone and iPad, and the work of getting them through App Store review and keeping them there. The platform is more uniform than Android — fewer devices, faster OS adoption — but the review process is a real project risk that inexperienced teams underestimate.

Ask who holds the developer account: if the agency does, your app lives in someone else's Apple relationship, and moving it later is administrative work you will not enjoy. Ask how rejections are handled, and whether the quote includes the rounds of resubmission that most non-trivial apps need. Ask what happens each September, when a new iOS version arrives and something in your app stops behaving.

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Between them, the 57 IT staff augmentation agencies on this page cover android (56), web development (53), web design (45) and PHP (42). They also list work in Ahmedabad, Poland, Ukraine and United States of America. 57 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

20 of 57 IT staff augmentation agencies ranked on evidence held on 6 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.

How this is rankedAbout this edition
All IT staff augmentation agencies 20 rankedSMEs 19 ranked
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  1. 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
  2. SpeedApp logo

    SpeedApp

    Mobile App Development · E-Commerce Development · Software Development · Also in Poland

    SpeedApp is an IT outsourcing and recruitment company with offices in Warsaw and Tel Aviv.

    Write a review
  3. Systeum logo

    Systeum

    Mobile App Development · Web Development · Web Design · Also in Czech Republic

    Systeum is an IT outsourcing and custom software development company.

    Write a review
  4. TA

    Talent Alpha

    Artificial Intelligence - AI · UI/UX Design · E-Commerce Development · Also in Poland

    Talent Alpha is a platform for organisations that need to analyse, manage and source technology talent.

    Write a review
  5. TALENT-IT logo

    TALENT-IT

    Web Development · Web Design · IT Services · Also in Belgium

    TALENT-IT is an IT staffing and consultancy business. It matches IT professionals with companies, giving weight to culture, personality and language skills as well as technical…

    Write a review
  6. Trio logo

    Trio

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

    Trio is an on-demand software engineering company that supplies remote developers and teams.

    Write a review
  7. Upstack.co logo

    Upstack.co

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

    Upstack.co, branded UpStack, helps growing technology companies hire remote engineers.

    Write a review
  8. Virtido logo

    Virtido

    Mobile App Development · Web Development · Web Design · Also in Switzerland

    Virtido is a Swiss-based IT and business process outsourcing company.

    Write a review
  9. WI

    Winged IT

    UI/UX Design · E-Commerce Development · Software Development · Also in Poland

    Winged IT is a Polish company providing IT recruitment, outsourcing and cybersecurity services, mostly for international clients that want technology teams in Poland.

    Write a review
  10. Xquisit logo

    Xquisit

    Web Development · Web Design · IT Services · Also in Belgium

    Flemish IT consultancy placing developers, architects and engineers with client organisations on short or long assignments

    Write a review

    On record: Family business

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