Top Software Development Companies for HTML5

Between them, the 50 software development companies on this page cover web development (36), CSS3 (35), android (31) and iOS app (25). They also list work in New York, Hong Kong, Nice and York. 48 of them have written a profile you can read before you get in touch.

1. 1

   

   Kingfisher Systems (Scotland) Ltd

   Android · Responsive · Internet · Also in Atlanta

   Kingfisher Systems (Scotland) Ltd is a technology company in Glasgow that writes business management software.

   Write a review

   Why #1: Founded 1988 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   Counterpart

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

   Indianapolis custom software firm building web, mobile, cloud and AI systems for organisations that outgrow off-the-shelf tools

   Write a review

   Why #2: Founded 1993 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   KPV

   Mobile App Development · Web Development · iOS App · Also in Lithuania

   KPV is a Vilnius company, registered as UAB Kompiuterinis procesų valdymas, that designs and manufactures embedded electronic systems.

   Write a review

   Why #3: Founded 2002 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

4. 4

   

   I-factory

   Search Engine Optimization · E-Commerce Development · Digital Marketing

   I-factory is an Italian web agency and software company that develops and sells technology packages for business use.

   Write a review

   Why #4: Founded 2004 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

5. 5

   

   Boxcar Studio

   Search Engine Optimization · Custom Software Development · Web Development · Also in Michigan and Ann Arbor, Michigan

   Boxcar Studio is a small web design and development shop in Ann Arbor, Michigan.

   Write a review

   Why #5: Founded 2005 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

6. 6

   

   Konceptwise Digital Media Pvt. Ltd.

   Advertising & Marketing · Web Development · Information Technology · Also in California and London

   Konceptwise Digital Media is an Indian technology and digital marketing business from Gujarat.

   Write a review

   Why #6: Founded 2008 — as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

7. 7

   

   FMEExtensions

   Web Development · UI/UX Design · Web Design · Also in United States of America

   FMEExtensions, trading as FME Extensions, makes add-ons for Magento online stores and offers Magento development services.

   Write a review

   Why #7: Founded 2009 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

8. 8

   

   FINinfocom

   Consumer Products & Services · Arts, Entertainment & Music · Search Engine Optimization · Also in Hyderabad

   Offshore IT services provider offering dedicated developers, cloud and DevOps work, customer support and payment integration

   Write a review

   Why #8: Founded 2010 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

9. 9

   

   DevSymmetrix

   Supply Chain, Logistics, and Transport · Mobile App Development · Web Development · Also in Ukraine

   DevSymmetrix is a software services company whose main speciality is custom-built CRM and ERP systems.

   Write a review

   Why #9: Founded 2016 — as stated on its own website, read 28 Sept 2026

   Not yet on record: client reviews, vetting.

10. 10

    

    ConnectPoint

    Energy & Natural Resources · Mobile App Development · Web Development · Also in Poland

    ConnectPoint helps manufacturing firms and utilities modernise their operations with software, data and industrial connectivity.

    Write a review

    Why #10: ISO 9001, ISO 27001 — as stated on its own website, read 28 Sept 2026

    Not yet on record: client reviews, vetting.

11. 11

    

    Capillary Technologies

    Consumer Products & Services · Search Engine Optimization · Hospitality & Leisure · Also in Asia

    Capillary Technologies sells enterprise software that helps brands run loyalty programmes and engage customers, with AI used to turn customer data into recommendations.

    Write a review

    Why #11: nothing checkable yet — as stated on its own website, read 28 Sept 2026

    Not yet on record: client reviews, vetting.

12. 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
13. –

    

    FastLogic

    Consumer Products & Services · Mobile App Development · Web Development · Also in Poland

    FastLogic is a software and electronics engineering company that designs custom hardware and software for its clients.

    Write a review

    On record: Team of 18+ — as stated on its own website, read 28 Sept 2026

14. –

    

    Levi9 Technology Services

    Supply Chain, Logistics, and Transport · Mobile App Development · Web Development · Also in Europe

    Technology services company building and scaling digital products, platforms and cloud systems with European delivery centres

    Write a review

    On record: Team of 1,000+ — as stated on its own website, read 28 Sept 2026

15. –

    

    22nd Century Software Solutions

    Android · SEO · WordPress · Also in Chandigarh & Mohali

    22nd Century Software Solutions is an IT services company in India that trades as 22nd Software Solutions.

    Write a review
16. –

    

    BitRefine Group

    Supply Chain, Logistics, and Transport · Energy & Natural Resources · Mobile App Development · Also in Hong Kong

    BitRefine Group is a software development company in Mongkok, Hong Kong, that works on turning large volumes of raw data into information businesses can act on.

    Write a review
17. –

    

    Bold Commerce

    Mobile App Development · Web Development · iOS App · Also in Canada

    Bold Commerce makes ecommerce software built around checkout, subscriptions and pricing.

    Write a review
18. –

    

    BoostHigh

    Supply Chain, Logistics, and Transport · Energy & Natural Resources · Mobile App Development · Also in Poland

    BoostHigh is a software development company that builds custom products in web, C++ and IoT technologies.

    Write a review
19. –

    

    Boulder Engineering Studio

    Consumer Products & Services · Arts, Entertainment & Music · Mobile App Development · Also in Colorado and Nice

    Boulder Engineering Studio, known as BES, is a small engineering design and development firm in Boulder, Colorado.

    Write a review
20. –

    

    BTOB

    Mobile App Development · Web Development · iOS App · Also in Mexico

    Consultancy providing EDI, electronic invoicing, custom apps, ERP integration and cybersecurity to businesses of any size

    Write a review
21. –

    

    CTO Services

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

    CTO Services is a consultancy led by Glenn Butler that offers part-time CTO support, C-level strategy and custom software and hardware development.

    Write a review
22. –

    

    Cybele Software, Inc.

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

    Software maker whose Thinfinity and z/Scope products deliver remote apps, desktops and legacy systems through the browser

    Write a review
23. –

    

    Daweilai Sensing Technology Development Company

    Mobile App Development · Android · .NET · Also in China

    Write a review
24. –

    

    DecisionIQ, Inc.

    Energy & Natural Resources · Mobile App Development · Web Development · Also in Georgia

    Engineering consultancy helping manufacturers adopt AI for predictive maintenance through consulting, training and cloud tools

    Write a review
25. –

    

    DigiSapiens

    Android · SEO · SQL · Also in Buenos Aires and Dakar

    DigiSapiens is a web design studio in Santa Rosa, La Pampa, Argentina, that has been making websites for more than 25 years and now uses agile methods.

    Write a review

Articles

Related reading

Articles on this subject first, then the newest.

All articles

United States

2 Oct 2026 · TrustList Editorial

Epic pauses most product development for about six weeks to fix MyChart security flaws: what hospitals and clinics should ask

Epic, whose MyChart patient portal is used across US hospitals, has paused most product development for about six weeks to fix security…

Egypt

30 Sept 2026 · TrustList Editorial

Egypt’s ITAC round 41 takes product-development proposals from ICT companies until 29 October 2026

ITIDA’s ITAC programme opened round 41 on 1 September 2026 for product development projects by Egyptian ICT companies, closing on 29…

Finland

30 Sept 2026 · TrustList Editorial

Business Finland R&D funding now covers market preparation, up to 20% of a project, and intangible development

Business Finland revised its R&D funding criteria on 22 September 2026: customer and market work may take up to 20% of an approved project,…