Top App Development Companies for FinTech

Between them, the 45 app development companies on this page cover financial services (22), eCommerce (19), medical (17) and information technology (16). They also list work in London. 45 of them have written a profile you can read before you get in touch.

1. 1

   

   Digiprima Technologies

   Mobile App Development · Financial Services · Software Development · Also in United States of America

   Digiprima Technologies builds AI systems, custom apps and web platforms for businesses that want to automate and analyse their operations.

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   Why #1: Founded 2016 · ISO 9001 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   Giro54

   Mobile App Development · Web Development · UI/UX Design · Also in Argentina

   Giro54 is a user experience design, product strategy and innovation agency in Buenos Aires, Argentina.

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   Why #2: Founded 2006 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   Death By Design Ltd

   Non Profit

   Death By Design Ltd trades as DBD Digital, a small group of software developers and digital marketers in Alderley Edge, Cheshire.

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   Why #3: Founded 2007 — as stated on its own website, read 29 Sept 2026

   Not yet on record: client reviews, vetting.

4. 4

   

   Emizen Tech

   Mobile App Development · Hospitality & Leisure · Information Technology

   Software and app development company covering mobile apps, e-commerce platforms, Salesforce and Adobe work for global clients

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   Why #4: Founded 2013 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

5. =5

   

   GeekCoders

   Analytics · Laravel · Administration · Also in Republic

   GeekCoders is a young development and design team in Pardubice, Czech Republic, working since 2018.

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   Why #5 (shared): Founded 2018 — as stated on its own website, read 29 Sept 2026

   Not yet on record: client reviews, vetting.

6. =5

   

   Fively

   Financial Services · Software Development · Business Services · Also in Belarus

   Fively has been building bespoke B2B software since 2018. It focuses on custom development for startups, taking products from early idea to prototype, MVP and full release, and…

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   Why #5 (shared): Founded 2018 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

7. 7

   

   Delos

   Engineering · Government · Science · Also in California and New York

   Delos is an Indonesian software consultancy founded in 2019 and based in Jakarta.

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   Why #7: Founded 2019 — as stated on its own website, read 29 Sept 2026

   Not yet on record: client reviews, vetting.

8. 8

   

   Deeplace

   Collaboration · Goals · Automation · Also in Fleet

   Deeplace is a software and digital product company whose work centres on financial technology in Moldova.

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   Why #8: nothing checkable yet — as stated on its own website, read 29 Sept 2026

   Not yet on record: client reviews, vetting.

9. 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
10. –

    

    Abinsula

    Consumer Products & Services · Information Technology · Medical

    Abinsula is an Italian engineering company that specialises in embedded systems, the Internet of Things and connected technology.

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11. –

    

    Accubits Technologies Inc

    Hospitality & Leisure · Financial Services · Information Technology · Also in Bengaluru, India and Thiruvananthapuram, India

    Software firm building AI agents, large language model systems, blockchain products and enterprise software for organisations

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12. –

    

    Appmetry Technologies

    Advertising & Marketing · Financial Services · Information Technology

    Appmetry Technologies is a product engineering firm in Chennai, India, that builds apps and web platforms, implements Odoo ERP and sets up AI automation.

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13. –

    

    BCCS Cluster

    Financial Services · Information Technology · DevOps

    BCCS Cluster is a digital innovation hub and membership network for the fintech and Web3 sector.

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14. –

    

    Blott.io

    Financial Services · Business Services · eCommerce

    Blott.io, trading as Blott, is a technology consultancy in London and New York.

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15. –

    

    Boosty Labs

    Information Technology · Cloud · Blockchain · Also in Japan

    Boosty Labs builds software in three areas: blockchain and Web3, artificial intelligence, and post-quantum cryptography.

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16. –

    

    Bottom Funnel

    Advertising & Marketing · Information Technology · Staff Augmentation · Also in Jaipur

    Bottom Funnel is an IT services provider that builds custom software, websites and mobile apps for startups, enterprises and agencies.

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17. –

    

    Bytex Technologies

    Mobile App Development · Information Technology · Software Development · Also in Romania

    Bytex Technologies is a software development and consulting company from Romania, with a team that also works from Serbia.

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18. –

    

    Cappers Applications Inc.

    Mobile App · WordPress

    Cappers Applications Inc. is a Canadian software and web development firm serving Oakville, Burlington and the wider GTA.

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19. –

    

    Conceptdigital

    Mobile App · eCommerce · Agile · Also in Georgia and Cambridge

    Conceptdigital is a software development and digital consulting company in London.

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20. –

    

    DBB Software

    Financial Services · Information Technology · Business Services

    DBB Software builds bespoke apps, websites and software, and now centres its work on putting AI into production.

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21. –

    

    Den Creative

    Collaboration · Creative

    Den Creative is a design studio that works on branding, product design and digital design.

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22. –

    

    devs group

    Financial Services · Real Estate · Agile

    devs group is a Swiss software house that develops new applications, modernises existing systems and automates business processes.

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23. –

    

    E8 Labs

    Supply Chain, Logistics, and Transport · Consumer Products & Services · Financial Services · Also in Reading

    E8 Labs is a software development studio that acts as a development arm for start-ups and enterprises.

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24. –

    

    Elite Crew

    Supply Chain, Logistics, and Transport · Financial Services · Software Development

    Elite Crew is a software development company that builds digital products from clients' design concepts.

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25. –

    

    Esterox LLC

    Consumer Products & Services · Hospitality & Leisure · Advertising & Marketing · Also in Armenia

    Esterox LLC is a software engineering company that builds web applications, mobile apps and AI-based automation.

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    On record: Small team

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