Best Shopify Plus Agencies – Trusted experts to meet your business needs

When you're committed to Shopify Plus, the challenge is finding an agency that can bring your vision to life, not just build a basic store. You need a partner who can handle complex requirements and create a scalable, high-performing Shopify Plus ecosystem. The right agency offers both technical skill and strategic insight to ensure a smooth, low-risk transition tailored to your business goals. This guide features top Shopify Plus agencies that meet your requirements.

The hidden essentials when selecting a Shopify Plus agency

When evaluating Shopify Plus agencies, it is tempting to focus on visible signals like portfolios, case studies, or partner badges. While these credentials matter, they only tell part of the story. The following considerations go beyond surface-level checks and highlight the capabilities that make a real difference in a Shopify Plus agency:

1. Enterprise eCommerce experiences

Years of experience matter, particularly when they involve enterprise-level projects. This depth of history means more than just longevity. It demonstrates they have developed the ability to handle large-scale challenges, coordinating across multiple teams, protecting data integrity under pressure, and delivering reliably when the stakes are high. An agency with proven enterprise eCommerce experience gives you the confidence that your Shopify Plus investment will be both secure and positioned for long-term growth.

2. Strategic consultancy, not just execution

A strong Shopify Plus agency understands both what the platform can and cannot do and how to adapt those capabilities to your unique business model. Rather than accepting every request, they provide structured options, explain trade-offs, and recommend the approach that aligns with your long-term goals.

Equally important, they bring commercial insight to the table. That means recognising how eCommerce operates in your industry, understanding customer behaviour in your market, and aligning technical execution with business priorities such as improving operational efficiency or supporting international expansion. By combining platform expertise with business insights, a strategic partner ensures that your Shopify Plus investment is not only technically sound but also positioned to deliver meaningful results. 

3. Proven migration capabilities

Most Plus projects are migrations from other platforms, and they carry high risks: SEO loss, data corruption, and operational downtime. Agencies with strong migration expertise demonstrate deep knowledge of Shopify Plus as well as other enterprise platforms. They should also employ established methodologies to safeguard data integrity and minimise business disruption.

4. Integration competence at enterprise scale

A Shopify Plus store must integrate seamlessly with your wider technology stack. What differentiates a specialist Shopify Plus agency is how they approach integration as part of the bigger picture. They define strategies to ensure your entire technology stack supports long-term growth and business objectives, not just the online store. At the same time, they apply proven methods to make integrations efficient, accurate, and scalable, avoiding the delays and risks of manual setups each time you connect to a new system.

5. Communication and support

In enterprise-level projects, communication becomes critical because decisions involve multiple stakeholders, competing priorities, and complex approval flows. Without strong processes, misunderstandings or delays can easily derail progress.

The right agency ensures clarity and alignment through structured communication, proactive engagement, and transparent project management. They typically use modern project management systems and clear workflows to keep stakeholders informed, resolve conflicts quickly, and make sure business goals and constraints are fully understood. This level of communication and support leads to solutions that accurately reflect your organisation’s real needs.

6. Trust and recognition

Real credibility is shown when the agencies are consistently trusted by established enterprises, contribute to Shopify or partner programmes, and are visible in the professional community. Leading agencies frequently attend industry conferences, participate in expert panels, and engage actively with other specialists, both in person and through professional networks. These forms of recognition are less formal than credentials but often serve as a more reliable signal of long-term expertise and influence. 

7. Industry-specific experience

Vertical knowledge accelerates time-to-value. An agency familiar with your sector, such as fashion, beauty, CPG, or manufacturing, understands customer behaviours, regulatory requirements, and the operational nuances that define your business. This shortens the discovery cycle and enables them to anticipate challenges you might not have considered.

Most leading Shopify Plus agencies provide full end-to-end services, from replatforming to design, development, integrations, and ongoing optimisation. The following sections emphasise each agency’s differentiating strengths and core competencies, without implying they are limited only to these areas.

Website: ontapgroup.com 

Established in

Founded in 2006, On Tap is based in the UK with additional offices in the United States, Singapore, Estonia, and Vietnam. We are one of the longest-serving eCommerce agencies in Europe, with nearly two decades of continuous operation.

Shopify Plus services

On Tap provides end-to-end support for Shopify Plus merchants, covering replatforming, UX and UI design, bespoke development, advanced feature enablement, and enterprise system integration. To ensure these builds deliver measurable business results, we provide digital marketing services spanning conversion rate optimisation (CRO), search engine optimisation (SEO), PPC management, content marketing and Amazon seller services, all focused on driving growth. 

Core capabilities

• Deep technical and technological expertise: On Tap combines broad experience across eCommerce platforms, with particular depth in Shopify Plus. What sets us apart is not only the ability to leverage what the platform provides but also the development of proprietary solutions that address common limitations. Our Integration Flow offers an automated, fully managed approach to connecting Shopify Plus with enterprise systems. In parallel, AuditIQ delivers automated 24/7 performance monitoring, detecting issues before they affect site speed, stability, or revenue.

• Experience and leadership: On Tap’s founder, Dan Garner, has been at the forefront of eCommerce since its earliest days, delivering some of the very first online stores. With nearly two decades of continuous involvement, he brings a rare combination of deep technical expertise and pragmatic business insight that shapes every project. When you work with On Tap on a Shopify Plus project, you benefit from Dan’s direct involvement and consultancy, giving you confidence that your strategy and execution are guided by one of the industry’s most experienced leaders.

• B2B and digital transformation: Skilled at delivering Shopify Plus for complex B2B models and leading traditional enterprises through digital transformation to unlock new revenue streams and operational efficiencies.

• Strategic consultancy: Clients often describe On Tap’s ability to quickly grasp business and industry-specific requirements, offering advice that leads to effective strategies and measurable improvements in performance and conversions.

• Global delivery capacity: A team of over 400 professionals working across multiple regions enables On Tap to support both B2B and B2C eCommerce businesses worldwide. This scale allows  24/7 development and support, ensuring resilience, scalability, and a dependable long-term partnership.

Trust and recognition

On Tap combines broad experience across eCommerce platforms, with particular depth in Shopify Plus as a certified Shopify Partner, and has built a reputation for consistent delivery across businesses ranging from SMEs to multinational enterprises with turnovers above £3.5 billion. This breadth of experience demonstrates our ability to adapt and perform reliably at any scale.

Our credibility is reinforced by long-term client partnerships built on sustained delivery and trust. One example is TEMPLESPA, a premium skincare brand that has worked with On Tap since 2022, reflecting the stability and value of our support.

On Tap’s expertise has also been formally recognised through industry accolades. We were shortlisted as finalists for the prestigious eCommerce Awards, underscoring the quality of our delivery and innovation. In addition, On Tap is an active member of leading B2B eCommerce associations, further demonstrating our commitment to advancing best practices and contributing to the wider business community.

On Tap is also recognised by industry peers for expertise and professionalism. Founder Dan Garner has been a regular speaker to share insights at respected eCommerce events including the IRX, iMedia B2B eCommerce Summit and the APAC Executive Private Dinner co-hosted by Shopify and BSS Commerce. These speaking engagements reflect his influence and standing in the global eCommerce community.

To extend this expertise more widely, On Tap contributes to the Shopify Plus community through insightful blog posts, sharing expert perspectives on platform capabilities, migration, performance, and growth strategies. 

Website: https://wecanflyagency.com/ 

Established in

Founded in 2008, We Can Fly is headquartered in Wrocław, Poland. With over a decade of experience and a mid-sized team, they have established themselves as a solid player among Shopify Plus agencies.

Shopify Plus services

We Can Fly delivers full lifecycle services for Shopify Plus merchants, covering replatforming from platforms such as Magento, WooCommerce, and BigCommerce, bespoke design and development, custom Shopify applications, ERP and CRM integrations, speed optimisation, and ongoing support through CRO, SEO, usability audits, and strategic consultancy.

Core capabilities

• Technical breadth: Extensive experience across theme development, design, speed optimisation, and complex integrations, with a portfolio of more than 100 Shopify projects.

• Structured delivery: Strong project management practices, utilising tools such as Basecamp and ClickUp, ensure organised workflows and transparent collaboration.

• Migration expertise: Demonstrated ability to deliver platform migrations with reliability, maintaining data integrity and minimising disruption during go-live.

Trust and recognition

• Official Shopify Plus Partner, recognised in the Shopify Partner Directory for migrations, UX optimisation, headless commerce, and internationalisation.

• Trusted by established brands including L’Occitane, Vetsak, Reckitt Benckiser, and Oakywood, with case studies showcasing enterprise-scale projects and international rollouts.

Website: byassociationonly.com

Established in

Founded in 2010 and based in Cambridge, United Kingdom, By Association Only (BAO) has built a reputation as a specialist Shopify Plus agency for luxury, fashion, lifestyle, and cosmetics brands.

Shopify Plus services

BAO provides full-cycle Shopify Plus services, including design and development, replatforming and migration, eCommerce strategy, CRO and SEO, and long-term support through tailored retained service programmes.

Core capabilities

• Design excellence: Known for creative, brand-aligned user experiences that combine visual impact with conversion goals.

• Strategic retainers: Offers flexible retained models that embed ongoing consultancy, design, development, and marketing support.

• Technical delivery: Experienced in delivering scalable Shopify Plus builds with complex integrations and interactive features.

Trust and recognition

• Award-winning work recognised by Awwwards and CSS Design Awards for clients such as P448, Astrid & Miyu, Cubitts, and Self-Portrait.

• Winner of the 2025 Shopify Build Award for its work with P448.
  

Website: eastsideco.com

Established in

Founded in 2012 and headquartered in London, Eastside Co also operates from offices in Birmingham, New York, Hamburg, and Dubai. The agency has grown into a multi-location operation with a focus on Shopify Plus.

Shopify Plus services

Eastside Co provides complete Shopify Plus services, covering discovery audits, UX and UI design, bespoke development, platform migrations, custom app development, marketing services such as SEO, PPC, email and social, and ongoing priority support.

Core capabilities

• Migration expertise: Demonstrated ability to move merchants from platforms such as Magento, WooCommerce, and BigCommerce onto Shopify Plus while safeguarding performance and data integrity.

• Technical adaptability: Skilled at extending Shopify Plus through bespoke applications and tailored features to support complex operational requirements.

• Performance-driven growth support: Combines technical delivery with data-led marketing capabilities, enabling stores to scale effectively after launch.

Trust and recognition

• One of the first UK agencies accredited as a Shopify Plus Partner.

• Portfolio spans fashion, beauty, lifestyle, and consumer brands, with well-known brands such as Lazy Oaf, Spectrum Collections, Tropic Skincare, and Hera.
  

Website: craftberry.co

Established in 

Founded and based in Europe, craftberry is a certified Shopify Plus agency focused on building high-performance stores for scaling eCommerce brands.

The agency combines technical execution with commercial thinking, treating every project as a revenue problem rather than a development task.

Shopify Plus services

craftberry provides end-to-end Shopify Plus services, including custom store design and development, UX and CRO, platform migration, systems integration, and ongoing store optimisation.

Core capabilities

• Ecommerce focus: Approaches every build through the lens of conversion rate, AOV, and operational efficiency, not just visual delivery.

• Technical execution: Experienced in delivering scalable Shopify Plus builds with complex integrations and custom theme development.

• Strategic partnership: Works closely with brand and eCommerce teams to align technical decisions with long-term business goals.

Trust and recognition

• Delivered Shopify Plus projects for global brands including Vivo, On Running, Shelly, and Pepper.

• Certified Shopify Plus Partner with a track record in high-growth eCommerce.

Website: swankyagency.com

Established in

Founded in 2010, Swanky operates from the UK, Australia, and France and has specialised in Shopify Plus since 2012, achieving Platinum Partner status in 2025.

Shopify Plus services

Swanky provides end-to-end Shopify Plus support including replatforming and migrations, UX and UI design, bespoke development, subscription site builds, system integrations, CRO, digital marketing such as SEO, PPC, and paid social, and retained “Growth Accelerator” programmes.

Core capabilities

• Subscription and DTC expertise: Strong track record in building and optimising subscription platforms in sectors such as food and drink, pet care, and health and wellness.

• Internationalisation expertise: Experienced in delivering scalable multi-store architectures for global brands, leveraging Shopify Markets and expansion stores to support rapid international growth.

• Data-driven optimisation: Provides structured CRO and Growth Accelerator programmes, combining technical improvements with performance monitoring.

Trust and recognition

• Platinum Shopify Plus Partner, with a long-standing presence as one of the early accredited agencies in Europe.

• Known for delivering Shopify Plus projects for clients such as HelloFresh, One Retail Group, Bond-Eye Swim, Natural Instinct, and daysoft®.

Website: elogic.co

Established in

Founded in 2009 and headquartered in Tallinn, Estonia, eLogic has grown into a Shopify Plus Partner agency delivering projects across Europe and North America, with a particular focus on merchants operating in complex B2B and wholesale sectors.

Shopify Plus services

eLogic provides end-to-end Shopify Plus services, including theme and headless development, migrations from platforms such as Magento and WooCommerce, ERP and CRM integrations, performance optimisation, and long-term technical support and maintenance.

Core capabilities

• B2B commerce: Specialised in Shopify Plus solutions for wholesale and B2B merchants, covering features such as tiered pricing, custom catalogues, and account-based purchasing.

• Headless and PWA development: Delivers headless storefronts and progressive web apps to improve site performance and enable greater design flexibility.

• Migration reliability: Extensive track record in replatforming merchants from Magento and Adobe Commerce, using structured methodologies to protect SEO, data integrity, and business continuity.

Trust and recognition

• Accredited Shopify Plus Partner, recognised for technical delivery and integration capability.

• Portfolio includes B2B, fashion, and consumer brands migrating to or scaling on Shopify Plus.
  

Website: cake.agency

Established in

Founded by retail professionals and based in Birmingham’s Jewellery Quarter, Cake Agency combines retail-first insight with eCommerce and marketing specialism as a Shopify Plus Partner.

Shopify Plus services

Cake Agency offers comprehensive support for Shopify Plus merchants, including eCommerce audits, Shopify development and replatforming, custom apps and integrations, brand strategy and visual identity, and digital marketing services spanning paid media, SEO, CRM and email marketing, loyalty programmes, and performance planning.

Core capabilities

• Retail-informed strategy: Brings deep retail sector experience into eCommerce and marketing execution, ensuring platforms are commercially aligned and performance-focused.

• Creative branding and storytelling: Embeds brand identity into each build through services such as visual identity, tone of voice development, and design sprint facilitation, ensuring the store reflects brand values.

• End-to-end marketing integration: Delivers unified Shopify builds fully integrated with marketing capabilities such as CRM workflows, paid media, SEO, loyalty, and email to launch stores that can drive growth from day one.

Trust and recognition

• Shopify Plus Partner recognised for its retail-oriented eCommerce and marketing integration approach.

• Known for rejuvenating established retail and lifestyle brands, including &Sons, Cyberjammies, P&Co, Bad Monday, and Lifting Equipment Store by combining design, development, and marketing in a single, agile offering.
  

Website: novatize.com

Established in

Founded in 2014 and headquartered in Quebec City, Canada, Novatize also has offices in Montreal and New York. The agency is a certified Shopify Plus Partner and Adobe Commerce Partner.

Shopify Plus services

Novatize supports Shopify Plus merchants with services including strategic digital commerce consulting, replatforming, B2B and unified commerce implementations, systems integration, conversion optimisation, loyalty programme enablement, and ongoing performance monitoring.

Core capabilities

• Unified commerce execution: Crafts Shopify Plus ecosystems where product, inventory, order, and customer data sync in real time across online, wholesale, and physical sales channels, providing a single source of truth for merchants.

• B2B commerce proficiency: Builds tailored Shopify Plus B2B portals with features such as account-based pricing, catalogue segmentation, order approvals, and punchout procurement to support complex wholesale models.

• Platform transition assurance: Applies structured methods when migrating from Adobe Commerce or WooCommerce, ensuring SEO preservation, data accuracy, and minimal business disruption.

Trust and recognition

• Accredited Shopify Plus Partner with additional certification as an Adobe Commerce Partner, demonstrating multi-platform expertise.

• Active in the Canadian and North American Shopify ecosystem through events, knowledge sharing, and community initiatives.
  

Website: scandiweb.com

Established in

Founded in 2003 in Riga, Latvia, Scandiweb is a Shopify Plus Partner with a global team and two decades of eCommerce experience.

Shopify Plus services

Scandiweb supports merchants with Shopify Plus development, B2B and unified commerce projects, large-scale migrations, AI-driven CRO, and integrated digital marketing, including SEO, PPC, and email campaigns.

Core capabilities

• AI-powered optimisation: Applies AI and advanced analytics to improve CRO, personalise customer journeys, and forecast performance on Shopify Plus stores.

• Integrated marketing delivery: Aligns technical builds with SEO, PPC, and email strategies, ensuring traffic growth and higher conversions after launch.

• B2B and unified commerce: Experienced in consolidating data silos and enabling multi-region commerce, particularly for manufacturers and distributors.

• Strategic eCommerce planning: Creates digital roadmaps and lifecycle strategies that connect platform builds to long-term business growth.

Trust and recognition

• Accredited Shopify Plus Partner with over 600 brand collaborations, including global names in fashion, automotive, and consumer goods.

• Actively publishes research and resources on CRO, AI, and marketing optimisation, positioning the agency as a thought leader in data-driven eCommerce growth.

Website: meetdomaine.com

Established in

Domaine operates across North America and Europe and is recognised as a Platinum Shopify Plus Partner with a strong focus on enterprise-scale transformation.

Shopify Plus services

Domaine delivers Shopify Plus projects, including complex platform migrations, unified commerce across B2B, DTC, POS, and marketplaces, custom application development, and lifecycle marketing integration.

Core capabilities

• Enterprise migration: Experienced in replatforming merchants from complex legacy systems to Shopify Plus with structured methods that reduce risk and downtime.

• Unified commerce: Builds Shopify Plus solutions that connect retail, wholesale, and online channels into a cohesive ecosystem.

• Custom development: Provides tailored apps and features to extend Shopify Plus functionality for enterprise requirements.

Trust and recognition

• Platinum Shopify Plus Partner, recognised for capability in large-scale delivery.

• Expanded European presence through the acquisition of Code, a leading Shopify Plus agency, strengthening international delivery capacity.

Conclusion

Choosing the right Shopify Plus agency is more than selecting a service provider. It is about finding a partner that aligns technology with business strategy, reduces replatforming risks, and brings the credibility needed to support long-term growth.

Among them, On Tap stands out with more than 19 years of eCommerce experience, a flawless record of migrations, and recognised industry expertise. Our approach blends strategic consultancy with hands-on implementation, supported by proprietary tools such as Integration Flow and AuditIQ. These capabilities allow us to deliver reliable outcomes while helping brands scale with confidence.

Discover more about our Shopify Plus development services or contact us to discuss how we can support your next step on Shopify Plus.