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…
27 of 70 big data & BI companies ranked on evidence in the Q4 2026 edition.
Mobile app development covers applications built for phones and tablets, whether native to one platform, cross-platform from a shared codebase, or a web application wrapped for the stores. All three are sold under this heading and they have materially different costs, both to build and to keep running.
The recurring surprise for buyers is that shipping is not the end of the spend. Both stores change their requirements on their own schedule, and an app that is not updated will eventually stop being accepted or stop working. Ask what the maintenance arrangement is before comparing build quotes, because a lower build price with no maintenance path is not the cheaper option.
Between them, the 70 big data & BI companies on this page cover web development (62), android (59), iOS app (56) and JavaScript (35). They also list work in New York, Hyderabad and York. 69 of them have written a profile you can read before you get in touch.
TrustList ranking
Q4 2026 edition
27 of 70 big data & BI companies 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.

Artificial Intelligence - AI · iOS App · E-Commerce Development · Also in Czech Republic
Adastra Czech Republic is the Czech arm of Adastra, a consultancy that builds digital solutions around data.
Why #1: Founded 2000, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Consumer Products & Services · Arts, Entertainment & Music · Advertising & Marketing · Also in United States of America
CDN Solutions Group is an IT services company that develops mobile apps, websites and enterprise software for clients around the world.
Why #2: In business 20+ years · ISO 9001 · Placed below first here: a listing leads at most 5 rankings, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · E-Commerce Development · Android · Also in India
Inteliment is a data company founded in 2004. It provides analytics, data science, IoT, mobility and artificial intelligence work, and now describes its focus as decision…
Why #3: Founded 2004 · ISO 9001 · Placed below first here: a listing leads at most 5 rankings, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Supply Chain, Logistics, and Transport · Energy & Natural Resources · Web Development · Also in Barnes and New York
US technology consultancy covering advisory, digital engineering, Oracle, Salesforce and managed infrastructure for organisations
Why #4 (shared): In business 25+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · iOS App · Android · Also in India
Absolutdata Analytics is a data analytics and artificial intelligence company operating since 2001.
Why #4 (shared): Founded 2001, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.

Supply Chain, Logistics, and Transport · Web Development · iOS App · Also in Asia and Europe
Experion Technologies is a software company that builds digital products for large enterprises and start-ups.
Why #6: In business 20+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · iOS App · Android · Also in United States of America
Clarity Insights is a data consultancy that works with large, data-driven brands in the United States.
Why #7: Founded 2008, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · iOS App · Web Design · Also in United States of America
Ducen, also written Ducen IT, is an IT services company that also sells its own analytics software.
Why #8 (shared): In business 15+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Consumer Products & Services · Hospitality & Leisure · Web Development · Also in London
InnovationM is a digital engineering company founded in 2011. It builds web and mobile applications and takes on wider AI, data and modernisation projects for enterprises and…
Why #8 (shared): Founded 2011, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Web Design · Financial Services · App Development
BirajTech, also written Biraj Tech, is a software engineering company that builds websites, mobile apps and cloud systems for clients around the world.
Why #8 (shared): In business 15+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · iOS App · UI/UX Design · Also in India
Excelra is a global data and analytics company for the biopharma sector.
Why #8 (shared): In business 15+ years, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · iOS App · UI/UX Design · Also in United States of America
Ellicium Solutions Inc. is a big data and data science company founded in 2012. It develops solutions and products that draw insight from unstructured and streaming data.
Why #12 (shared): Founded 2012, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Consumer Products & Services · Web Development · iOS App · Also in Vietnam
Kyanon Digital is a digital and technology group based in Vietnam. Its site says it has been operating for 14 years and works with international businesses, including in Singapore.
Why #12 (shared): In business 14+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Social Media Marketing · Web Development · iOS App · Also in Lebanon
Lebanese digital marketing agency covering strategy, branding, advertising and web development for regional and global clients
Why #14: Founded 2013, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · iOS App · Android · Also in Canada
Freckle IoT is a data company that specialises in media measurement and identity.
Why #15 (shared): Founded 2014, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · iOS App · UI/UX Design · Also in India
Innvonix Technologies LLP is an Indian software development company established in 2014. Its name is meant to suggest invention and innovation.
Why #15 (shared): Founded 2014, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Custom Software Development · Web Development · UI/UX Design · Also in Uruguay
Innuy is a software development company serving international clients from Latin America.
Why #17: Founded 2015, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · iOS App · E-Commerce Development · Also in United States of America
Menerva Software provides data analytics solutions. It was established in 2016 and has worked with startups, small and medium-sized businesses and larger enterprises in a range of…
Why #18 (shared): Founded 2016, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.

ERP Software Development · Web Development · iOS App · Also in Lviv
Inoxoft is an international custom software development company with offices in Europe and the United States.
Why #18 (shared): In business 10+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · iOS App · UI/UX Design · Also in United Kingdom
Dufrain is a data and AI consultancy. It helps organisations make their data accessible, secure and usable, with particular experience in regulated settings where governance and…
Why #18 (shared): In business 10+ years, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Web Development · iOS App · UI/UX Design · Also in United Kingdom
Instinctive BI is a data engineering firm that was formed in early 2016. It builds the plumbing that moves business data from source systems to the people who analyse it.
Why #18 (shared): Founded 2016, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.

Consumer Products & Services · Arts, Entertainment & Music · Advertising & Marketing · Also in United Kingdom
FreezePro Software is a software development company that builds web, mobile and desktop products for customers in several countries.
Why #18 (shared): In business 10+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · iOS App · UI/UX Design · Also in United States of America
Jelvix is a software development company that builds custom systems for businesses that want to digitise operations.
Why #23 (shared): ISO 9001, professional accreditation, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Web Development · iOS App · UI/UX Design · Also in Preston and Las Vegas
DreamzTech Solutions Inc. is a software development company with a United States address in Tempe, Arizona, and presence in the UK and Europe.
Why #23 (shared): ISO 27001, SOC 2, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
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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…
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