Admin Service Company

Diligence Agency

UK eCommerce agency designing and supporting online stores on Shopify, WooCommerce, Wix and BigCommerce

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York
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About Diligence Agency

eCommerce websites and marketplace listings

Diligence Agency is a UK-based digital eCommerce agency. Its team of designers, developers, project managers and digital marketers works on online stores, and the company says it has more than twelve years of experience in eCommerce. Its main services are the design and development of eCommerce websites and product listing support for online sellers across the United Kingdom.

Platforms and marketplaces covered

The agency designs, develops and supports stores on Shopify, WooCommerce, Wix and BigCommerce. For sellers who trade on marketplaces it offers listing design and help, covering Amazon, eBay, Etsy and Wayfair, with a focus on their UK versions. The stated aim is to help brands raise their visibility and grow online sales. The company says its services are tailored to the particular needs of businesses that sell online in the UK.

A user-first process

The company describes a user-first approach in which each design decision is centred on an intuitive experience that is easy to move through for the store's visitors. It says it takes time to understand a client's requirements and industry before recommending technology, and that it favours cost-effective tools that keep a client competitive. The process runs from discovery and ideation through to creation, and it continues after launch.

Ongoing support and digital marketing

Once a store is live, the agency offers ongoing support and maintenance. Its digital marketing support is intended to help online businesses grow their sales, with strategies shaped around each client's goals and budget. The company says its in-house team of professionals provides full-service eCommerce solutions, so a client can deal with one team across design, listing and marketing.

Starting a project

Prospective clients can book a discovery call to begin work. The agency describes itself as a full-service digital marketing agency with a global presence, but its eCommerce work is the focus of its current offer. It positions its services as a way for a business to build, scale and optimise its online sales.

TrustList summary

Diligence Agency is a UK-based digital agency that specialises in eCommerce web design and product listing support. Its team works across digital marketing, design and development for online sellers.

What Diligence Agency offers

eCommerce website design: design and development on Shopify, WooCommerce, Wix and BigCommerce.
Marketplace listing support: design and listing help for sellers on Amazon UK, eBay UK, Etsy UK and Wayfair.
Digital marketing: marketing support to help online businesses grow their sales.
Ongoing support: continued support for online stores once they are live.

Clients

Businesses across the UK that sell online.

Key facts

Based in: United Kingdom
Experience: over 12 years in eCommerce

Summary written by TrustList from the business's own published information, Oct 2026.

Rankings

Diligence Agency is ranked on 5 TrustList rankings: #3 on 1, #4 on 2, #5 on 1 and #8 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Diligence Agency has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Admin service company · 5 rankings

#3of 7
Ecommerce
It is the only one of the 7 here listing booking and CMS.
Its profile: “Diligence Agency is a UK-based digital eCommerce agency.”
Of the 7 here, 4 also cover SEO and 4 also cover outsourcing.
Behind DA Tech, ahead of Domainmantri.
#4of 22
Marketing
It is the only one of the 22 here listing digital signage and magento.
Its profile: “Its digital marketing support is intended to help online businesses grow their sales, with strategies shaped around each client's goals and budget.”
Of the 22 here, 7 also cover creative and 6 also cover internet; 2 also work in New York and 2 also work in York.
Behind Brickwork India, ahead of Domainmantri.
#4of 14
Design
It is the only one of the 14 here listing manufacturing and progressive.
Its profile: “Its main services are the design and development of eCommerce websites and product listing support for online sellers across the United Kingdom.”
Of the 14 here, 4 also cover web design and 4 also cover security.
Behind cyberneusys, ahead of Domainmantri.
#5of 19
Digital
It is the only one of the 19 here listing shopify and sitecore.
Its profile: “Diligence Agency is a UK-based digital eCommerce agency.”
Of the 19 here, 4 also cover responsive and 4 also cover automation; 2 also work in Nice.
Behind CDMSoftech Solution Pvt Ltd, ahead of First Idea Web Development Private Limited.
#8of 40
Business
It is one of 3 here listing WordPress and one of 4 here listing digital marketing.
Its profile: “It positions its services as a way for a business to build, scale and optimise its online sales.”
Of the 40 here, 7 also cover business services and 6 also cover cloud; 2 also work in Lahore.
Behind Data Ingenious Global Limited, ahead of Discus IT.