Top Business Service Companies for HTML5

Between them, the 70 business service companies on this page cover web development (65), iOS app (65), android (64) and web design (48). They also list work in United Kingdom, United States of America and Ireland. 70 of them have written a profile you can read before you get in touch.

1. 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
2. –

   EI

   Exertis Ireland

   Web Development · iOS App · IT Services · Also in Ireland

   Ireland-based distributor of IT and home entertainment products with services for resellers, retailers and enterprise customers

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   On record: Team of 120+, as stated on its own website, read 5 Oct 2026

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   Hamburg Marketing GmbH

   iOS App · UI/UX Design · E-Commerce Development · Also in Germany

   Hamburg Marketing GmbH is the holding company that brings together Hamburg's city marketing, tourism, convention and business development bodies.

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   On record: Team of 200+, as stated on its own website, read 6 Oct 2026

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   LexisNexis

   Web Development · iOS App · IT Services · Also in United States of America

   LexisNexis is the legal and professional information arm of the RELX Group. It supplies legal, regulatory and business information and analytics.

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   On record: Team of 10,000+, as stated on its own website, read 6 Oct 2026

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   RR Donnelley

   Web Development · iOS App · IT Services · Also in United States of America

   RR Donnelley, known as RRD, supplies multichannel marketing and business communications services.

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   On record: Team of 43,000+, as stated on its own website, read 5 Oct 2026

6. –

   

   Agilent Technologies

   Web Development · iOS App · IT Services · Also in United States of America

   Agilent Technologies supplies equipment and related services to laboratories. Its customers include analytical scientists and clinical researchers around the world.

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   American Express

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

   American Express is a global services company known mainly for charge and credit cards.

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   Amgen Inc.

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

   Amgen Inc. is a biotechnology company. It discovers, develops, manufactures and delivers medicines for serious diseases, and describes itself as a pioneer in making biologic…

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   Ascential

   Web Development · iOS App · IT Services · Also in United Kingdom

   Ascential is a global information company that helps businesses make decisions by supplying intelligence, events and advice.

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    AtilogSoft

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

    AtilogSoft, known on its website as Atilog, is a Ukrainian law firm that specialises in intellectual property.

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    Austrian Standards

    Web Development · iOS App · IT Services · Also in Austria

    Austrian Standards is the Austrian organisation for standardisation and innovation.

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    BG

    B4B Group

    Web Development · iOS App · IT Services · Also in United Kingdom

    Independent telecoms and data connectivity provider for businesses, public bodies and wholesale clients in the UK and Ireland

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    BS

    Big Spaces Srl

    Social Media Marketing · Media & Entertainment · Web Development · Also in Italy

    Big Spaces Srl is a venue and destination management company based in Milan.

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    Bilendi

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

    Bilendi collects and manages consumer data. Its UK site groups the work into three services: market research, customer engagement and loyalty, and media advertising.

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    CES Trading Group Pty Ltd

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

    Queensland group supplying and installing telecommunications, electrical and security infrastructure, with consultancy services

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    ComLaude

    Mobile App Development · Web Development · Web Design · Also in United Kingdom

    ComLaude manages domain name portfolios and guards brands online.

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    Cornflake

    Mobile App Development · Web Development · iOS App · Also in United Kingdom

    Cornflake is a London-based company that designs and installs smart home automation systems and media rooms. It has since been acquired by Ateliers de France Group.

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    Coworking & Coliving Canary Islands

    Web Development · iOS App · IT Services · Also in Italy

    Coworking & Coliving Canary Islands, which trades as CoworkingC, is a small shared workspace in Las Palmas, Gran Canaria.

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    Creative360

    Mobile App Development · Advertising & Marketing · iOS App

    Creative360 is a mobile app design and development studio based in New York City that works with companies and entrepreneurs to build new digital products.

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    Crewscale

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

    Crewscale is a service that places remote technology talent with companies building products.

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    CRIBIS

    Web Development · iOS App · IT Services · Also in Italy

    CRIBIS is the business information arm of the CRIF group, focused on Italian and foreign companies.

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    De La Rue

    Web Development · iOS App · IT Services · Also in United Kingdom

    De La Rue designs and manufactures banknotes, banknote substrates and security features. It works for governments, central banks and commercial organisations.

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    Digital Controls

    Mobile App Development · Web Development · iOS App · Also in Indore, India

    Digital Controls is the industrial automation business of Digital Marketing Systems Pvt. Ltd., based in Indore, India.

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    D

    DigitalCity

    Web Development · iOS App · IT Services · Also in United Kingdom

    DigitalCity is an organisation that promotes a digital economy across the Tees Valley in north-east England.

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    Dun & Bradstreet

    Web Development · iOS App · IT Services · Also in United States of America

    Dun & Bradstreet supplies business data, insight and analytics.

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