Top 14 E-Commerce Development Companies in the United Kingdom

Scaling or launching an online store in the United Kingdom is often stalled by slow site performance, checkout friction, and integration challenges. Buyers also contend with payment and tax configuration, regulatory compliance, and the need for ongoing optimization and support.

SoftPro is the featured international partner leading the list and serves buyers across the United Kingdom. When evaluating e-commerce development companies, compare platform expertise, integration and migration experience, performance optimization, security and compliance, UX and conversion design, SEO and accessibility, development methodologies, and post-launch support and pricing.

1. SoftPro

SoftPro is the featured international partner leading this list for readers seeking e-commerce development partners that deliver projects into the United Kingdom. Headquartered in Warsaw, Poland, the company collaborates with UK clients on commercial web platforms and enterprise-scale development engagements that require cross-border delivery and technical integration.

The team builds on the Microsoft stack with verified expertise in and .NET Core and delivers cloud-native projects and migrations to Azure and AWS. SoftPro demonstrates platform CMS and migration capability through Umbraco implementations and combines frontend and backend development to support enterprise CMS transitions and commercial web platforms.

Key Highlights

• Runs Umbraco version 17.3.0.0.
• Supports cloud development on AWS in addition to Microsoft Azure.
• Front-end development includes React and.
• Team reports over 20 years of combined experience and provides ongoing support and maintenance.

Services

• Software development
• Web application development
• Cloud development
• Artificial intelligence

Contact Information

Website: soft-pro.pl

Phone: +48 571 282 759

Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401

LinkedIn: www.linkedin.com/in/kyrylo-o

2. Swanky

Swanky is a full-service Shopify Plus agency that designs and engineers enterprise-grade ecommerce experiences on Shopify Plus, combining bespoke front-end development with third-party integrations and performance-focused builds. The agency pairs technical architecture with commercial strategy to deliver scalable storefronts and measurable growth for online brands.

Multidisciplinary teams at Swanky use analytics-led optimisation and hands-on engineering to support complex launches and international expansion on the Shopify platform, making the agency a practical choice for retailers that need robust Shopify implementations and ongoing optimisation.

Key Highlights

• Founded in 2010 and working exclusively with Shopify since 2012.
• Awarded Shopify Plus Expert accreditation in 2016 and named a Shopify Platinum Partner in 2025.
• One of seven Recharge Elite agency partners for subscription commerce on Shopify.
• Offices in Exeter (UK), Brisbane (Australia) and Montpellier (France); registered company number 07138036.

Services

• Shopify Plus migrations
• Bespoke Shopify development
• Subscription architecture (Recharge)
• Conversion rate optimisation

Contact Information

Website: swankyagency.com

Phone: +44 (0) 1392 92 70 70

Phone: +61 (0) 466 159 913

Email: humans@swankyagency.com

Email: marketing@swanky.fr

Address: 19 Southernhay West, Exeter, EX1 1PJ, UK

Address: 76-84 Brunswick Street, Fortitude Valley QLD 4006, Australia

Address: Immeuble Jacques Cœur, 222 Pl. Ernest Granier, 34000 Montpellier, France

3. PushON

PushON designs, builds, and optimises Adobe Commerce and Magento eCommerce platforms for retail and B2B organisations, focusing on high-performance storefronts and complex system integrations. Their delivery emphasises scalability and long-term platform performance to support growth across multi-store and enterprise scenarios.

Engagements typically begin with an audit or technical workshop and can extend into retained development and ongoing platform support, allowing PushON to work as an embedded extension of a client’s team. This consultative approach pairs platform engineering with dedicated UX and QA capability to maintain reliability as businesses scale.

Key Highlights

• Adobe Solution Partner status since 2012.
• Working with Magento since 2008.
• Certified Adobe Commerce developers on staff.
• Deep integration expertise across ERP, PIM and fulfilment systems.

Services

• System Integrations
• Technical Audits & Workshops
• Platform Support & Retainers
• Hyvä Theme Development

Contact Information

Website: www.pushon.co.uk

Phone: 0161 820 7628

Email: hello@pushon.co.uk

Address: 3rd Floor, Waulk Mill, Bengal St, Manchester, M4 6LN

4. Visualsoft

Visualsoft builds unified commerce solutions for UK retailers, combining a proprietary eCommerce platform with Shopify storefronts to connect online and in-store channels. The agency pairs platform engineering with in-house marketing and optimisation to deliver migration projects, bespoke Shopify apps, and data-driven growth programmes.

Its delivery model includes a dedicated support desk that is available 8am–8pm, 365 days a year, plus in-house paid media, CRO, and email teams to maintain performance after launch. This combination of platform work and ongoing marketing support positions Visualsoft for e-commerce development projects that need both engineering and commercial continuity.

Key Highlights

• Visualsoft is an official Shopify Premier Partner.
• The agency holds Google Premier and Microsoft Elite partner statuses for paid search.
• Visualsoft is a Meta Business Partner and a verified Pinterest Developer for paid social.
• The company supports 800+ active clients and reports generating £1bn in online sales for its clients.

Services

• Website development
• Shopify migrations
• Paid search
• Customer engagement

Contact Information

Website: www.visualsoft.co.uk

Phone (Main): 01642 633604

Phone (Sales): 01642 955808

Phone (Support): 01642 676018

Email: sales@visualsoft.co.uk

Email (Data protection): gdpr@visualsoft.co.uk

Address: Visualsoft House, Prince’s Wharf, Stockton-on-Tees, TS17 6QY

5. Space 48

Space 48 is a UK ecommerce agency headquartered in Manchester with a 100+ strong team that builds platform-agnostic commerce solutions across SaaS, composable, and headless architectures. The firm positions itself to guide retailers through technical choices and scalable implementations without tying customers to a single platform.

They combine engineering, consultancy, and data-led roadmapping to lead replatforms, migrations, and international growth for retail brands. Space 48’s delivery model emphasises partnership workshops and measurable roadmaps to align technology choices with business outcomes.

Key Highlights

• Space 48 maintains dedicated engineering squads for Magento, BigCommerce, and Shopify Plus.
• Client case studies on the site include Ordnance Survey, Richer Sounds, and Sarah Raven.
• The company organises Commerce Fusion, an event focused on operational ecommerce.
• Platform-certified engineering leads run interactive platform-selection workshops to assess risks and opportunities.

Services

• Integrations
• Maintenance & hosting
• BigCommerce app development
• PIM consultancy

Contact Information

Website: space48.com

Phone: 0330 097 3951

6. Eastside Co

Eastside Co is a UK-based full-service ecommerce agency focused on building and scaling stores on the Shopify stack with a technical, performance-driven approach. The team emphasizes measurable conversion improvements and platform reliability when delivering merchant-facing experiences.

The agency uses an in-house delivery model to run end-to-end projects across strategy, design, engineering, and growth work to help merchants expand internationally and sustain post-launch momentum.

Key Highlights

• Shopify Platinum Partner agency.
• One of the first 3 UK agencies accredited as a Shopify Plus Partner.
• Built over 500 Shopify stores.
• Full-service, fully in-house agency of over 50 staff.

Services

• Shopify Web Development
• Shopify App Development
• Shopify Priority Support

Contact Information

Website: eastsideco.com

Phone: +44 (0)20 7856 0270; +1 718 301 8358; +971 58 586 1731

Email: info@eastsideco.com

Address: 54 Poland St, London W1F 7NJ, UK

7. Quickfire Digital

Quickfire Digital is a UK ecommerce agency that designs and builds Shopify and Shopify Plus stores for consumer brands. They combine UX-led design with disciplined engineering to improve conversion rates and site performance.

Their delivery emphasises conversion optimisation and measurable growth work to help retailers scale sales on Shopify.

Key Highlights

• Recognised as a Shopify Platinum Partner on the company website.
• Offices listed in London, Norwich, and Dubai.
• Registered company number 09932728 and VAT GB231539228.
• Case studies feature household and heritage retail clients including Hunter Boots and Juicy Couture.

Services

• Shopify Development
• Shopify Migrations
• Shopify Integration
• Shopify B2B

Contact Information

Website: www.quickfiredigital.com

Phone: 01603 298200

Email: hello@quickfiredigital.com

Address: 4 Barton Way, Norwich, NR1 1DL

Address: 50 Liverpool St, London EC2M 7PY

Address: DUQE Square Business Centre L.L.C, Quarter Deck, Mina Rashid – Queen Elizabeth II, PO Box: 554789, Dubai, UAE

8. We Make Websites

We Make Websites is a UK e-commerce agency that designs, develops, and grows direct-to-consumer and enterprise online stores for international brands. Their delivery approach combines UX-led design, conversion-rate optimization, and performance engineering to support complex multi-market launches.

Their portfolio includes projects for Levi's Dockers, Hasbro, Vollebak, and Good American, which demonstrates experience with high-profile consumer and enterprise brands. They operate cross-functional teams that manage design, development, and ongoing optimization to meet market timelines and scale.

Key Highlights

• The agency has been a Shopify Partner since 2011 and displays a Shopify Plus Partner badge.
• We Make Websites is a Tech Mahindra company.
• The company maintains offices in London and New York.
• Platform partnerships shown on the site include Klaviyo, Sanity, Recharge and Gorgias.

Services

• Shopify Design
• Shopify Web Development
• Headless & Composable Commerce
• Data Migration

Contact Information

Website: wemakewebsites.com

Email: hello@wemakewebsites.com

Address (London): 90/92 Pentonville Rd, London N1 9HS, UK

Address (New York): 114 W 26th St, Floor 2, New York, NY 10001, USA

9. Function (Function London)

Function (Function London) builds high-performance Shopify Plus storefronts for premium fashion and luxury retail brands, pairing bespoke theme work with performance tuning and accessibility engineering to improve conversion and brand expression. Their approach combines refined UX design with technical discipline to produce fast, resilient storefronts aligned to premium brand values.

They act as long-term partners, delivering architecture audits, strategic roadmaps, and continuous monitoring to support peak trading and scale digital operations. The team positions itself to support complex brand requirements while maintaining site speed, accessibility, and commercial outcomes.

Key Highlights

• Operates SyncDelta, a cloud-hosted integration platform that syncs orders, stock, customers, refunds, and shipments in real time and supports APIs, webhooks, SFTP, and on-premise agents.
• Fully conformant with WCAG 2.1 Level AA and works with Allyant for accessibility assurance and testing.
• Lists enterprise and heritage retail clients including Dover Street Market, Fred Perry, Represent, and Jessica McCormack.
• Executed platform migrations such as migrating Jessica McCormack from Magento 2 to Shopify Plus.

Services

• Technical Development
• Creative Services
• Strategy & Consultation
• Ongoing Support

Contact Information

Website: function.london

Phone: +44 (0)7546 214 357

Email: hello@function.london

Address: 71-75 Shelton Street, Covent Garden, London, United Kingdom, WC2H 9JQ

10. blubolt

blubolt is a UK Shopify agency that designs and develops Shopify Plus ecommerce stores for scaling brands. It applies a Journey‑Led Growth approach by mapping customer journeys to align strategy, UX, and technology and reduce friction to lift conversion.

The agency supports brands at three growth stages—Launch, Evolve, and Grow—and covers first-time builds, platform migrations, and data-led optimisation. Their delivery combines design, development, conversion-rate optimisation, and SEO work tailored to Shopify backends.

Key Highlights

• Founded in 2006.
• Holds Shopify Platinum Partner status.
• Delivered a 41% uplift in conversion for Newby Teas during a global migration.
• Achieved a 15% conversion-rate increase for Raging Bull after redesign and optimisation.

Services

• Shopify Plus Development
• Platform Migrations
• Conversion Rate Optimisation (CRO)
• SEO & GEO

Contact Information

Website: blubolt.com

11. Blend Commerce

Blend Commerce is a Shopify-focused conversion rate optimisation agency that helps DTC and Shopify Plus merchants increase revenue by turning analytics into prioritised, testable site improvements. The firm targets ecommerce growth through user research, UX improvements, and an experimentation-led approach tailored to online stores.

The agency uses a proprietary Buy Trifecta® framework to balance conversion rate, average order value, and retention, and it pairs that framework with heatmapping and session recording to create repeatable uplift for merchant sites.

Key Highlights

• 100% in‑house team of full‑time strategists, designers, and developers.
• Projects start from $3,500 and Blend recommends stores have at least 50,000 sessions/month for reliable A/B testing; stores under 30,000 sessions/month may not be a good fit.
• Winner — CRO Agency of the Year, Global Agency Awards 2026 (multiple industry awards listed for 2022–2026).
• Integrations listed on the site include Rebuy and Recharge for subscription and personalisation workflows.

Services

• CRO Insights & Roadmapping
• CRO Implementation
• CRO Redesign
• A/B Testing

Contact Information

Website: blendcommerce.com

Email: hello@blendcommerce.com

Phone US: +1 507 357 5543

Phone UK: +44 1789 643 190

Phone AUS: +61 493 874 448

12. FDRY

FDRY builds and grows ecommerce websites on WordPress, WooCommerce, Shopify, Adobe Commerce and BigCommerce while combining design, front-end engineering and growth-focused digital marketing. The agency pairs pixel‑perfect UX and bespoke development with ongoing marketing to turn storefronts into revenue-generating platforms.

FDRY positions itself as an ecommerce replatforming and optimisation partner for UK retailers and B2B brands, handling strategy, design, development, launch and continuous conversion rate optimisation to support measurable revenue growth.

Key Highlights

• Claims sub-2-second page load times and Core Web Vitals scores of 98–100 for client sites.
• Reports clients have achieved 300%+ revenue increases across the UK.
• Lists AI SEO and technical SEO among its growth service capabilities.
• Offers transparent fixed-fee digital marketing pricing and retainer models for ongoing growth work.

Services

• Ecommerce Replatforming
• UX & UI Design
• Conversion Rate Optimisation
• AI Search (SEO)

Contact Information

Website: www.fdry.com

Phone: +44 (0) 20 81234669

Address: 123 Buckingham Palace Rd, London SW1W 9SH

13. Charle

Charle is a London-based ecommerce agency that builds Shopify and Shopify Plus stores using in-house developers and bespoke theme engineering. Their work emphasises technical quality, fast Online Store 2.0 implementations, and Liquid-based development.

They combine headless build experience with a search-first methodology and continuous behavioural experimentation to improve organic visibility and conversion over time.

Key Highlights

• 44% average conversion uplift reported across Charle projects.
• £300m+ revenue processed through stores built by Charle.
• Shopify Plus level accreditation with a stated close partnership with Shopify.
• Runs the "Charle Observatory" monthly SEO & AI report with 8,500+ subscribers.

Services

• Shopify Migrations
• Custom Themes
• Shopify SEO & GEO
• SiteLab Retainers

Contact Information

Website: www.charle.co.uk

Email: hello@charle.co.uk

Phone: 020 3026 3652 (London)

Phone: 0161 533 0148 (Manchester)

Phone: (+1) 929-999-5018 (New York)

Address: Charle LDN, 1-45 Durham St, London, UK

Address: Charle NYC, 16 East 34th Street, New York, NY 10016

14. 5MS

5MS is a UK full-service ecommerce agency that builds high-performance online stores for product-led brands on Magento, Shopify, BigCommerce and WooCommerce. They combine platform expertise with conversion-focused design and commercial digital marketing to drive measurable online revenue.

The agency pairs technical development with ROI-driven marketing and UK-based, SLA-backed support to manage sites from launch through ongoing optimisation. Their approach makes them a fit for a comparison of ecommerce development firms that deliver both build and post-launch commercial accountability.

Key Highlights

• Founded in 2011.
• Hybrid retainer pricing model that combines priority access with flexible scaling.
• Most ecommerce builds completed in as little as 4 weeks from brief to launch.
• Projects executed by certified developers and marketers using an agile approach with clear KPI reporting.

Services

• eCommerce UI & UX Design
• eCommerce Brand Strategy
• PPC
• eCommerce Support

Contact Information

Website: 5ms.co.uk

Phone: 0333 344 3277

Email: hello@5ms.co.uk

Address: 2 Newton Court, Pendeford Business Park, WV9 5HB, UK

Conclusion

To choose among these 14 e-commerce development partners, prioritise platform fit, technical complexity, and scale. Balance performance and conversion optimisation experience with architecture needs such as headless or composable approaches, and verify international delivery capacity, post-launch support, timelines, and budget before shortlisting vendors.
SoftPro is the featured author-selected partner for readers seeking e-commerce development partners that deliver projects into the United Kingdom. Use the selection criteria above to narrow your list to two or three agencies, then request case studies, references, and detailed proposals to confirm technical approach and commercial terms.