Picking the right agency when your Shopify store is doing eight figures (or pushing toward it) feels different from the usual “who has the nicest portfolio” game. Speed, uptime, custom checkout logic, international scaling, ERP integrations, and keeping conversion rate steady while everything else explodes in complexity-that’s real battleground. Over the last year a handful of agencies have quietly pulled away from the pack. These are the teams brands call when they can’t afford to experiment anymore. Here’s what separates the true heavyweights from everyone else.
Extuitive - The AI That Thinks Like 100,000 Customers
We built Extuitive because wasting five-figure ad budgets on “maybe this will work” was driving everyone nuts. Hook up a Shopify store and our platform instantly grabs the catalog, then fires up a swarm of AI agents trained on actual human behavior. In minutes it spits out dozens of ad variations-copy, visuals, hooks, even pricing angles-and runs them through simulated consumer testing to show which ones people would actually stop scrolling for.
No more waiting on agencies, no more expensive focus groups. Our system generates, tests, ranks, and hands over the winners ready to launch on Meta, TikTok, wherever. Every store that runs through it makes the agents smarter for the next one. Simple loop: connect → generate + validate → launch the stuff that’s already proven it converts.
1. SDG
SDG positions itself as an engineering outfit focused on technical services for large e-commerce setups. Work centers on building and maintaining sites for brands across sectors like fashion, retail, media, beauty, and health. Operations revolve around referral-based partnerships, skipping sales pitches in favor of direct collaborations with established names.
Projects often involve custom solutions tailored to specific business needs, drawing from experience with high-profile clients. The approach emphasizes engineering depth rather than broad agency services, handling everything from initial builds to ongoing tweaks. It's the kind of setup where referrals keep things steady, letting the work speak through repeat business.
Key Highlights:
- Platinum status as Shopify partner
- Focus on engineering for e-commerce
- Referral-driven client acquisition
- Coverage in multiple brand categories
- Emphasis on technical precision
Services:
- Site launches and maintenance
- Custom engineering builds
- Consulting on platform use
- Integration with tech partners
- Guidance for scaling operations
Contact Information:
- Website: www.sdg.la
- Phone: +1-310-209-8533
- Email: hello@sdg.la
- Address: 11693 San Vicente Blvd., Suite 501, Los Angeles, CA 90049
2. Avex Designs
Avex Designs handles transformations of scattered systems into connected commerce setups on Shopify Plus. Efforts span from creative direction to backend tweaks, linking digital stores with in-person sales and B2B elements. Brands turn to them for migrations from older platforms, ensuring data moves smoothly without hitches.
The workflow starts with strategy sessions, moving into design and development phases that prioritize user paths and speed. Integrations tie in tools for marketing and operations, creating a single flow for customer interactions. It's straightforward work that blends front-end polish with solid tech foundations, often leading to expanded reach across borders.
Key Highlights:
- Embedded partnership with Shopify
- Handling of full-funnel commerce
- Support for global market entry
- Focus on seamless data shifts
- Ties to various tech solutions
Services:
- UX and UI design systems
- Platform migrations and replatforms
- System integrations for operations
- International setup with multi-currency
- Unified experiences across channels
Contact Information:
- Website: www.avexdesigns.com
- Phone: (646)-982-1574
- Email: newbusiness@avexdesigns.com
- Address: 379 West Broadway, 10012, New York
3. GPMD
GPMD dives into Shopify Plus for businesses aiming to blend wholesale and retail sides smoothly. Services include shifting from other platforms with minimal disruption, alongside designs that keep users engaged. Integrations link up back-end systems securely, while AI bits automate routine checks.
Consultations kick off projects, mapping out how features like custom checkouts fit specific goals. The emphasis lands on creating scalable foundations, from staff access controls to API hooks for extras. It's practical support that evolves with the business, mixing creativity with straightforward tech handling.
Key Highlights:
- Expertise in B2B and B2C blends
- Platform shift handling
- AI for task automation
- Secure connection setups
- User design for better flow
Services:
- Ecommerce migrations
- Design and user experience work
- Integrations with business tools
- AI consultancy for efficiency
- Workshop planning for strategies
Contact Information:
- Website: www.gpmd.co.uk
- Phone: 020 7183 1072
- Email: hello@gpmd.co.uk
- Address: GPMD Limited, Eagle House, 163 City Road, London, EC1V 1NR
- LinkedIn: www.linkedin.com/company/gpmd
- Instagram: www.instagram.com/teamgpmd
4. Passionates
Passionates operates as a creative agency centered on design, web development, video production, user experience research, conversion optimization, and artificial intelligence applications. Subscriptions allow access to these areas with requests handled in sequence and capacity adjusted as needed. Deliverables come with full ownership, including source files and research materials, while workflows align with client preferences through tools like Slack or email.
Processes begin with a consultation to outline requirements, followed by due diligence involving agreements and setup. A project manager then coordinates kick-off, establishing communication channels for ongoing delivery, where updates arrive every few working days based on task complexity. Emphasis falls on integrating with existing team structures for smooth collaboration.
Key Highlights:
- Agile setup with professionals based in Europe
- Track record in handling enterprise-scale projects
- Coverage across design, development, and AI areas
- Data-focused methods in service delivery
- Partnership status with Shopify
Services:
- Branding and graphic design elements
- Video and marketing design production
- UI/UX and web development tasks
- User research and optimization efforts
- Automation and AI implementations
Contact Information:
- Website: passionates.com
- Phone: +44 2080 896881
- Email: hello@passionates.com
- LinkedIn: www.linkedin.com/company/passionateagency
- Facebook: www.facebook.com/passionateagency
- Instagram: www.instagram.com/passionateagency
5. Never Settle
Never Settle functions as a digital agency handling strategic marketing, development, and branding for various brands. Formed back in 2012, it tackles business hurdles through web design, search optimization, and consulting, aiming to meet timelines and budgets in partnerships. The setup prioritizes results from collaborative efforts in creative and technical fields.
Specialization leans toward enterprise Shopify builds, including migrations from platforms like Magento or custom systems, with attention to integrations and performance tweaks. Custom apps and headless setups form part of the offerings, alongside marketing strategies to support store launches and ongoing operations. Client involvement stays central, with regular updates on project status.
Key Highlights:
- Recognition through multiple awards
- Commitment to a culture valuing people and excellence
- Partnerships with impact-driven brands
- In-house sustainable product line
- Focus on timely, budget-conscious delivery
Services:
- Branding and strategy planning
- Website and e-commerce development
- Digital marketing campaigns
- UI/UX and graphic design work
- SEO and consulting support
Contact Information:
- Website: www.neversettle.it
- Phone: +1 720-432-6738
- Email: contact@neversettle.it
- Address: 14405 West Colfax Ave, Suite #278, Lakewood, CO 80401
- LinkedIn: www.linkedin.com/company/never-settle
- Facebook: www.facebook.com/neversettle.it
- Twitter: x.com/neversettleit
- Instagram: www.instagram.com/neversettleit
6. CRO Media
CRO Media serves as a group dedicated to conversion rate optimization on Shopify platforms, covering audits, development, and support services. Initial assessments look at site performance and user behavior, leading to reports with suggestions for UX improvements and SEO fixes. Subscriptions follow for continued work on optimizations and custom features.
The retainer model assembles developers, optimization specialists, and project managers for enterprise-level scaling. Weekly calls track progress, while tasks queue up for handling one at a time to maintain quality. Migrations preserve data and rankings, with added tweaks during the shift to enhance functionality.
Key Highlights:
- Certification as Shopify partners
- Quick turnaround on audit reports
- Support for platform migrations
- Ongoing subscription for maintenance
- Inclusion of analytics and testing
Services:
- Conversion rate audits and recommendations
- SEO reviews covering technical aspects
- Custom theme and development builds
- Support retainers for fixes and growth
- Email marketing and automation setups
Contact Information:
- Website: cro.media
- Phone: +1 855 677 7013
- Email: info@cro.media
- LinkedIn: www.linkedin.com/company/cro.media
- Facebook: www.facebook.com/CroMediaOfficial
- Twitter: x.com/cro_dot_media
- Instagram: www.instagram.com/cro_dot_media
7. Power Commerce
Power Commerce acts as a partner for Shopify Plus and similar platforms, dealing with e-commerce setups since 2009. Projects encompass migrations, designs, and enhancements for brands expanding internationally. A crew of specialists handles custom needs, from storefront tweaks to integration with existing systems.
Approach centers on client goals, with audits for performance and strategies for multi-channel presence. Builds include B2B features and automations to streamline operations. Collaboration happens through calls and updates, drawing on past work to inform current efforts without overcomplicating the process.
Key Highlights:
- Certification for Shopify Plus
- Completion of numerous e-commerce projects
- Long-standing presence in the field
- Team assembled for specialized tasks
- Emphasis on client-centered methods
Services:
- Site migrations to Shopify Plus
- Custom design and branding updates
- Experience enhancements for conversions
- Global store configurations
- Redesigns from other platforms
Contact Information:
- Website: powercommerce.com
- Phone: 00387 60 345 5801
- Email: info@powercommerce.com
- Address: Marka Marulića 2, Sarajevo, 71000 BiH
- LinkedIn: www.linkedin.com/company/power-commerce
- Facebook: www.facebook.com/PowerCommerceAgency
- Instagram: www.instagram.com/power_commerce
8. EPAM
EPAM draws on experience in e-commerce platform engineering to handle Shopify setups for enterprise brands. Approaches cover full use of the Shopify ecosystem, including point-of-sale, checkout, and payment apps, tied into broader tech setups. Headless designs build custom frontends via APIs, while composable methods mix Shopify parts with existing stacks for tailored control.
Migrations pull from various platforms with focus on quick shifts and performance gains, often wrapping up in weeks for new stores. Optimization services tweak ongoing sites through audits and adjustments. Sectors span retail, consumer goods, and manufacturing, where integrations help blend online experiences with operations.
Key Highlights:
- Engineering background in e-commerce platforms
- Coverage of multiple integration styles
- Support for quick store launches
- Focus on cost and performance tweaks
- Work across retail and goods areas
Services:
- Full platform ecosystem use
- Headless API-based frontends
- Composable stack mixing
- Migration from existing systems
- Site optimization audits
Contact Information:
- Website: www.epam.com
- Phone: +1-267-759-9000
- Address: 41 University Drive • Suite 202, Newtown, PA 18940 • USA
- LinkedIn: www.linkedin.com/company/epam-systems
- Facebook: www.facebook.com/EPAM.Global
- Instagram: www.instagram.com/epamsystems
9. Uncap
Uncap works on unified commerce setups using Shopify Plus, mainly for manufacturers and distributors handling B2B and B2C channels. Strategies pull from data to shape user paths, with blended storefronts for high-volume product lines and integrations linking ERP, PIM, and CRM systems. Private portals add self-service features to cut down on support calls and errors.
Ongoing consulting fits into client workflows, refining processes as needs change. Quotes from users note the straightforward options and attention during projects, like migrations from WooCommerce without extra costs. Sectors include industrial equipment, tools, and supplies, where portals handle complex sales.
Key Highlights:
- Emphasis on blended channel stores
- Ties to back-end systems
- Custom apps for B2B sales
- Migration guidance for platforms
- Continuous process refinements
Services:
- Data-based strategy planning
- User experience designs
- POS and storefront builds
- System integrations
- Maintenance consulting
Contact Information:
- Website: www.uncap.com
- Phone: (312) 469-0944
- Email: hey@uncap.com
- Address: 8770 West Bryn Mawr Ave, Suite 1300, Chicago, IL 60631
10. Swanky
Swanky runs as a Shopify Plus agency with offices in the UK, Australia, and France, holding Platinum Partner status. Migrations handle sites of different scales, keeping transitions steady with risk checks along the way. Designs and builds cover complex stores, especially for subscription models in direct-to-consumer setups.
Optimization pulls in data for tests and tweaks, while marketing spans channels like search, ads, and email. Branding support helps with visuals and launches, and integrations link third-party tools for data sync. International work adds consultancy for market entries, blending development with local tweaks.
Key Highlights:
- Presence in three countries
- Platinum partnership level
- Subscription site specialization
- Data programs for growth
- Cross-channel marketing mix
Services:
- Replatforming migrations
- Web design and builds
- Conversion testing setups
- Digital channel campaigns
- International market support
Contact Information:
- Website: swankyagency.com
- Phone: +44 (0) 1392 92 70 70
- Email: humans@swankyagency.com
- Address: Swanky, 19 Southernhay West, Exeter, EX1 1PJ
- LinkedIn: www.linkedin.com/company/swankyagency
- Facebook: www.facebook.com/swankyHQ
- Twitter: x.com/swankyagency
- Instagram: www.instagram.com/swankyagency
11. Woolman
Woolman handles Shopify Plus for omni-channel commerce, covering direct-to-consumer expansions alongside wholesale portals. Self-service options in B2B setups simplify orders, while retail efforts focus on operation flows and cost handling. Enterprise projects range from fresh launches to full global systems.
Themes and tools tie in shipping and analytics for smoother runs, with emphasis on process streamlining across channels. Satisfaction comes from blended stores that mix customer types without friction. It's the sort of setup where growth phases get steady backing, from early stages to established lines.
Key Highlights:
- Omni-channel focus
- Portal builds for wholesale
- Operation streamlining in retail
- Theme and tool integrations
- Coverage from D2C to enterprise
Services:
- D2C growth partnerships
- B2B self-service portals
- Retail cost management
- Enterprise system services
- Analytics and shipping links
Contact Information:
- Website: woolman.co
- Email: invoicing@woolman.io
- Address: First Floor, 1 Cottesbrooke Park, Heartlands Business Park, Daventry, Northamptonshire, England, NN11 8YL
12. 253 Media
253 Media handles design and development for websites on platforms like Shopify, Webflow, and WordPress, with a focus on consistent branding across elements. The workflow kicks off by digging into client visions and requirements, moving into strategy sessions before hitting design and build phases. Updates roll out iteratively, keeping things aligned through regular check-ins and responses.
Optimization efforts lean on data to shape landing pages and user paths, aiming for smoother interactions. Partnerships tie in with Shopify for core builds, while growth planning wraps around foundational setups to fit evolving needs. It's the kind of approach where small tweaks during development pay off in how the site performs day-to-day.
Key Highlights:
- Partnership with Shopify for builds
- Iterative process with client input
- Data use in optimization steps
- Coverage of multiple platforms
- Focus on branding consistency
Services:
- Website design and development
- Conversion rate tweaks
- Growth strategy sessions
- Landing page creation
- Platform migrations
Contact Information:
- Website: www.253media.com
- LinkedIn: www.linkedin.com/company/253-media
- Facebook: www.facebook.com/253MediaAdvertising
- Instagram: www.instagram.com/253media
13. Innovate Group
Innovate Group covers e-commerce site builds and migrations from setups like WooCommerce or Magento to Shopify. Integrations link in logistics, ERPs, and CRMs, handling data flow without snags. Audits check UX and performance, feeding into tweaks for better user navigation.
Strategy work maps out growth paths, including market entry plans and channel management. Insights come through content on trends and tech shifts, like logistics in specific regions. Projects span full designs to support phases, blending creative input with technical fixes.
Key Highlights:
- Migration from various platforms
- Integration with business systems
- Audit for UX and conversion
- Strategy for digital expansion
- Content on e-commerce topics
Services:
- E-commerce site implementation
- System and API connections
- Growth objective planning
- Customer experience audits
- International market strategies
Contact Information:
- Website: www.innovategroup.agency
- LinkedIn: www.linkedin.com/company/innovate-group-agency
- Instagram: www.instagram.com/innovategroup_ok
14. We Can Fly Agency
We Can Fly Agency focuses on Shopify store design and development, including custom themes and app builds. Migrations from platforms like Magento or WooCommerce involve planning to keep launches quick, with attention to speed and mobile tweaks. Integrations cover ERPs, PIMs, and shipping carriers for seamless ops.
Growth services include optimization for conversions and SEO, alongside maintenance to handle updates. A podcast dives into Shopify topics, featuring chats on AI and customer paths. It's hands-on work that spans beauty to fashion brands, often leading to repeat projects.
Key Highlights:
- Custom app and theme work
- Migration planning for speed
- Integration with carriers and systems
- Podcast on e-commerce trends
- Optimization for performance
Services:
- Shopify theme development
- Store migrations
- ERP and CRM links
- Conversion tweaks
- Site maintenance
Contact Information:
- Website: wecanflyagency.com
- Phone: +48 602 656 283
- Email: hello@wecanflyagency.com
- Address: Oławska 27-29, 50-123 Wrocław, Poland
15. Unified
Unified manages Shopify Plus development, from custom themes to backend coding for speed and ties. Migrations ensure data stays intact during shifts from other platforms, minimizing pauses. Design aligns visuals with business aims, while optimization checks performance for better retention.
Post-launch support covers updates, security scans, and feature adds, adapting as the store changes. Case work shows blended B2B and B2C flows, like mobile-first setups for premium lines. The full-service side means strategy chats blend with hands-on builds.
Key Highlights:
- Custom theme and code builds
- Migration with data focus
- Performance strategy implementation
- Ongoing update handling
- B2B and B2C blending
Services:
- Shopify development
- Site migrations
- UX design alignment
- Optimization strategies
- Support and maintenance
Contact Information:
- Website: unified.co
- Phone: +44 (0)20 4534 3559
- Email: enquiries@unified.co
- Address: Midmoor House, Kew Road, Richmond, London, TW9 2NQ
- LinkedIn: www.linkedin.com/company/unifiedco
- Twitter: x.com/unified_ldn
- Instagram: www.instagram.com/unified_ldn
Conclusion
At the end of the day, picking a Shopify Enterprise agency isn’t about chasing the shiniest portfolio or the loudest promises. It’s about finding the group that actually gets what running a high-volume store feels like - the midnight panic when something breaks during a flash sale, the constant juggling of ERP quirks and checkout flow, the quiet dread of outgrowing another “scalable” solution in six months.
The agencies that stand out tend to treat your store like it’s their own money on the line. They ask the annoying questions early, push back when a request will hurt conversions, and still ship fast without cutting corners. Some lean hard into engineering depth, others live for design that moves the needle, a few are basically an extra limb you can call at 2 a.m. when traffic spikes. What matters is the fit: do they speak your language, respect your margins, and have the scars from enough big launches that they won’t flinch when things get messy.
Take the list above, talk to a handful, throw them your ugliest problem child of a project brief, and watch who gets excited instead of nervous. That reaction usually tells you everything. The right partner turns the chaos of enterprise ecommerce into something that just… works. And when it finally does, you’ll wonder why you ever settled for less.
