Top App Development Companies for Grant

Between them, the 17 app development companies on this page cover consumer products & services (7), information technology (7), medical (7) and advertising & marketing (5). They also list work in Kraków. 17 of them have written a profile you can read before you get in touch.

1. 1

   

   Big Fish

   Medical · Creative · simple · Also in Budapest

   Big Fish is a Budapest team of web and mobile developers and designers that has built ecommerce systems since 1998.

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   Why #1: Founded 1998 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   GameTech Studio

   Information Technology · simple · Gaming

   GameTech Studio designs and builds mobile games for Android and iOS, and has developed apps and games for start-ups and larger brands since 2007.

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   Why #2: Founded 2007 — as stated on its own website, read 29 Sept 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   Blue Rocket

   Consumer Products & Services · Hospitality & Leisure · Business Services · Also in Reading

   Blue Rocket is a product design and software engineering studio in Petaluma, California.

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   Why #3: Founded 2008 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

4. 4

   

   Innovation Engineering

   Engineering · Production · Also in Milan and Europe

   Italian IT firm building research, knowledge management and open innovation software, now part of PNO Innovation Digital

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   Why #4: ISO 9001, ISO 27001 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

5. 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
6. –

   

   Inovatica

   Advertising & Marketing · Mobile App Development · Web Development · Also in Warsaw

   Inovatica is a software house of close to 50 people that builds websites, web applications and mobile apps.

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   On record: Team of 50+ — as stated on its own website, read 28 Sept 2026

7. –

   

   CookieDev

   Mobile App Development · Web Development · React Native · Also in Ukraine

   CookieDev is an app development company that takes a client's idea through planning, design, coding, testing and release.

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8. –

   

   Datum Brain

   Consumer Products & Services · Advertising & Marketing · Information Technology

   Datum Brain works with decision makers on data systems and AI products, from pipelines and platforms to LLM-based and agent-style applications.

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   On record: Small team

9. –

   

   De Mellows

   Also in Ashford

   De Mellows is a branding and marketing firm that pairs brand strategy with marketing and business automation.

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10. –

    

    Designo Graphy

    Consumer Products & Services · Web Development · Business Services · Also in Georgia and Edmonton

    Designo Graphy is a Canadian digital agency that builds websites, mobile apps and custom software, and runs search and paid marketing.

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11. –

    

    Eden Tech Labs

    Consumer Products & Services · Mobile App Development · Information Technology

    Eden Tech Labs is a mobile app development business that offers clients a dedicated team to design and build their apps.

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12. –

    

    Enterprise software solutions

    Machine Learning · Learning · Cloud

    Enterprise Software Solutions, abbreviated ESS, is a software and services firm working in business automation and data analysis.

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13. –

    

    Expansio

    Web Development · React Native · Machine Learning · Also in Cambridge

    Expansio is a software house in Poznań, Poland, that builds mobile and web applications.

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14. –

    

    FireSky

    Learning · eCommerce · Responsive

    FireSky, trading as Firesky Studios, designs and builds websites and online shops for Irish businesses.

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15. –

    

    Fooyo

    Mobile App Development · Hospitality & Leisure · Information Technology · Also in Chengdu and Osaka

    Fooyo builds and operates AI products for enterprise teams from its headquarters in Singapore, with further offices in Chengdu and Tokyo.

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16. –

    

    Frontend House

    Consumer Products & Services · Advertising & Marketing · Information Technology · Also in Kraków

    Frontend House is a software studio focused on the front end of web and mobile products.

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17. –

    

    Gobuzzr - Smart Beehive Monitoring System

    Consumer Products & Services · Advertising & Marketing · Information Technology · Also in Tamil Nadu and Chennai

    Gobuzzr - Smart Beehive Monitoring System is a connected device and app that lets beekeepers follow the state of their hives from a distance.

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18. –

    

    Liki

    Consumer Products & Services · Advertising & Marketing · Information Technology · Also in Kraków

    Liki, trading on its website as LIKI Mobile Solutions, is a software development company.

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