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…
5 of 9 app development companies ranked on evidence in the Q4 2026 edition.
Between them, the 9 app development companies on this page cover python (5), web development (4), gps, navigation & gis (3) and android (3). 9 of them have written a profile you can read before you get in touch.
TrustList ranking
Q4 2026 edition
5 of 9 app 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.

Mobile App Development · Custom Software Development · Web Development · Also in United Kingdom
Root Info Solutions is a web and mobile app development company that has worked since 2004.
Why #1: Founded 2004, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Custom Software Development · Web Development · Web Design · Also in United States of America
Python and Django development firm building data-heavy web applications for enterprise, higher education and non-profits
Why #2: Founded 2007, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Gps, Navigation & Gis · Android · Cloud
Lime Brains is a software house that says it answers business questions with software.
Why #3 (shared): In business 10+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Python · Internet · Also in Augsburg
BLUESHOE GmbH is a German software agency that builds custom software, websites, platforms, apps and online shops with open source tools.
Why #3 (shared): In business 10+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Gps, Navigation & Gis · Web Development · Information Technology
AliTech Solutions builds software for businesses, from workflow tools and CRM systems to AI and machine learning projects.
Why #5: Google partner, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Cloud · Internet · Also in Washington
Bit Bamboo, LLC is a small group of developers that builds web applications with complex data models.

Gps, Navigation & Gis · Information Technology · Python
Jonas und der Wolf GmbH is a German digital company that builds custom software for organisations working on infrastructure and crafts.

Responsive · Also in Debe
La Charca is a software company in Seville that writes made-to-measure programs for small and medium-sized businesses.

Mobile App Development · Web Development · Web Design · Also in Poland
Mood Up team is a software development company based in Poland. It designs and builds mobile apps, web applications and connected devices, and adds AI features to custom projects.
For vendors
The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.
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Every other way we rank app development companies, by what they do and where they are.
Articles on this subject first, then the newest.
17 Sept 2026 · TrustList Editorial
What to check before hiring an app developer: store accounts and review rules, OWASP MASVS security, privacy declarations, ownership and…
26 Oct 2026 · TrustList Editorial
Microsoft has revised its notes on how Office extends ISO/IEC 29500 57 times since 2009; the core standard text dates from 2016. Why…
26 Oct 2026 · TrustList Editorial
The Strategic Innovation Open Call has €60 million for 2026 to 2028 and reimburses up to 65% of costs. Consortia need at least two partners…
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