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Top Advertising Companies for E-Commerce Development

28 of 80 advertising companies ranked on evidence in the Q4 2026 edition.

E-commerce development is the engineering side of selling online: building the storefront and checkout, and integrating them with payments, stock, shipping, tax and whatever finance system the business already runs. It is distinct from e-commerce strategy or marketing, though many firms sell all of it.

Integration is where these projects succeed or fail. A storefront is a well-understood problem; connecting it to an existing warehouse, ERP or accounting system usually is not, and it is where the estimate moves. Ask specifically which integrations are in scope, whether they are off-the-shelf connectors or bespoke work, and who owns them when the upstream system changes its API.

Want your company here?

Between them, the 80 advertising companies on this page cover digital marketing (67), SEO (60), UI/UX design (59) and eCommerce (56). 78 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

28 of 80 advertising 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.

How this is ranked About this edition

All advertising companies 28 ranked SMEs 25 ranked

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Blue Label Labs
Consumer Products & Services · Arts, Entertainment & Music · Mobile App Development · Also in United States of America
Blue Label Labs, now trading as BlueLabel, is a product development agency that has moved from mobile apps into building generative AI systems.
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Why #25: In business 13+ years · Team of 75+, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
D
Decidata
Media & Entertainment · AR & VR · Digital Marketing · Also in Mexico
Real-time advertising synchronisation technology linking TV, radio, sport and weather events to digital campaigns in Latin America
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Why #26: In business 11+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
EXPANDO global
Consumer Products & Services · Search Engine Optimization · Digital Marketing · Also in Czech Republic
EXPANDO global is a full-service marketplace agency for online shops, brands and resellers expanding abroad.
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Why #27 (shared): Founded 2016, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
INVOKE
Advertising & Marketing · UI/UX Design · iOS App · Also in Canada
INVOKE is a data company set up in 2016 and based in Kuala Lumpur, Malaysia, trading as INVOKE Solutions Sdn Bhd.
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Why #27 (shared): Founded 2016, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
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
EcommerceDA
IT Solution · SEO · eCommerce · Also in Texas
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Brendsohn AG
Search Engine Optimization · Digital Marketing · UI/UX Design · Also in Germany
Brendsohn AG, written Berendsohn on its own materials, is a German company that sells promotional products directly to businesses.
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On record: Team of 900+, as stated on its own website, read 5 Oct 2026
Grabarz & Partner Werbeagentur GmbH
Search Engine Optimization · Digital Marketing · UI/UX Design · Also in Germany
Grabarz & Partner Werbeagentur GmbH is an independent, owner-managed advertising agency based in Hamburg.
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On record: Team of 270+, as stated on its own website, read 6 Oct 2026
inSTREAMLY
Social Media Marketing · Digital Marketing · eCommerce · Also in Poland
inSTREAMLY is a platform that links people who stream live content with brands that want to reach their audiences.
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On record: Team of 50+, as stated on its own website, read 6 Oct 2026
Pepperminds
Search Engine Optimization · Digital Marketing · UI/UX Design · Also in Germany
Pepperminds is an international field marketing and promotion agency. Its German arm has been active since 2012, and the group operates in four European countries.
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On record: Team of 1,000+, as stated on its own website, read 6 Oct 2026
Scholz & Friends
Search Engine Optimization · Digital Marketing · UI/UX Design · Also in Germany
Scholz & Friends is an agency group that describes itself as one of the largest independent ones in German-speaking countries.
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On record: Team of 1,200+, as stated on its own website, read 6 Oct 2026
Thinking Juice
Search Engine Optimization · Social Media Marketing · Mobile App Development · Also in United Kingdom
Thinking Juice is an advertising and marketing agency that handles a brand's work from planning through to production.
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On record: Team of 35+, as stated on its own website, read 5 Oct 2026
ZG
Zum goldenen Hirschen
UI/UX Design · IT Services · IT Solution · Also in Germany
Independent German advertising and communications agency with offices serving clients across Germany, Austria and Switzerland
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On record: Team of 330+, as stated on its own website, read 6 Oct 2026
AI
Anzu.io, Inc.
Social Media Marketing · AR & VR · Digital Marketing · Also in United States of America
Anzu.io, Inc. runs an advertising platform for video games and esports.
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areasolutions gmbh
Search Engine Optimization · UI/UX Design · iOS App · Also in Germany
areasolutions gmbh is a media agency focused on advertising in public space.
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Avantgarde Gesellschaft für Kommunikation mbH
Digital Marketing · UI/UX Design · Web Design · Also in Germany
Avantgarde Gesellschaft für Kommunikation mbH is an agency for brand experiences that began in Munich.
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Bmore
Search Engine Optimization · Social Media Marketing · Digital Marketing · Also in United Kingdom
Bmore, trading as bmore creative, is a full-service agency with its head office in Hampshire.
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Bonial International GmbH
Digital Marketing · UI/UX Design · iOS App · Also in Germany
Bonial International GmbH runs the shopping platforms kaufDA and MeinProspekt, where retailers and brands publish their offers and leaflets for shoppers.
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Cedar Communications
Consumer Products & Services · Arts, Entertainment & Music · Search Engine Optimization · Also in United Kingdom
Cedar Communications is a London agency that helps big brands act as media owners.
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Collective London
Social Media Marketing · Digital Marketing · UI/UX Design · Also in United Kingdom
Collective London is a creative agency that blends strategy, design, technology and media.
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Creative Dock
IT Services · IT Solution · eCommerce · Also in Czech Republic
Creative Dock builds new ventures for large corporations, taking an idea from research and design through launch and long-term operation.
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CreativeRace
Consumer Products & Services · Hospitality & Leisure · Digital Marketing · Also in United Kingdom
CreativeRace is an independent, integrated marketing agency in Leeds that has worked in marketing since 1978.
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Delete Agency
Arts, Entertainment & Music · Search Engine Optimization · Social Media Marketing · Also in Wales
Delete Agency is a UK digital experience and technology agency; the website linked to this listing now presents the business under the UNRVLD name.
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Digit Bazar
Consumer Products & Services · Arts, Entertainment & Music · Search Engine Optimization · Also in California and Ahmedabad
Digit Bazar is a branding consultancy that helps companies define how their brand is positioned and presented.
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DE
Digital East GmbH
Social Media Marketing · Digital Marketing · UI/UX Design · Also in Germany
Digital East GmbH runs a programmatic advertising platform for buying ad space across digital media.
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