Top Shopify B2B Development Agencies For Enterprise-Level Commerce 2026
Daria Pohrebniak
Marketing Director - Reverb
14.11.2025
B2B buyers expect speed, contract pricing, and account controls without friction.
The top Shopify B2B development agencies in 2026 combine design, integration, and product ops so procurement teams can reorder in seconds, not weeks. The result is less swivel-chair work between ERP, PIM, and CRM — and more revenue that’s measurable.
This guide favors proof over hype: certifications, platform accreditations, shipped projects, and teams that understand complex catalogs and multi-business-unit governance. You’ll also see where each agency is flexible on engagement models, so you can hire Shopify B2B developers for a sprint, a migration, or a long runway without getting trapped in rigid contracts.
Your Guide To The Best Shopify B2B Development Agencies In 2026
Fyresite blends Shopify Plus development with AWS know-how, which matters when B2B catalogs, custom price lists, and EDI gateways collide. The team ships bespoke storefronts, back-office integrations, and custom apps that automate approvals and purchasing rules — the backbone for buyers who don’t have time to hunt through menus. That track record supports their positioning among the best Shopify B2B developers for enterprise-level commerce.
Discovery is collaborative and technical from day one, mapping UX, integrations, and performance budgets before build. Projects are scoped to outcomes rather than open-ended retainers, and QA is wired into the process to keep launches clean. For enterprises that need a focused partner with cloud depth, Fyresite earns its seat at the table.
Services and expertise: Custom Shopify Plus site design & development; mobile app development; UX/UI design; AWS cloud architecture & integration; QA & testing
Location: Tempe, Arizona headquarters with offices in Los Angeles, San Francisco, and Denver
Team size: 45 experts
Clients: Mid-market and enterprise merchants across sectors with custom Shopify Plus builds and integrations
Charle punches above its size with a London team that has launched 150+ Shopify stores and contributed to hundreds of millions in GMV. Results come from tight creative-to-dev collaboration and data-driven decisions that pull CRO into the build, not after the fact. For ambitious consumer brands exploring wholesale and trade, Charle’s playbook travels well.
Engagements often start with a full design and build, then taper into flexible retainers for ongoing optimization — no long-term lock-ins required. Select case studies with fashion and lifestyle brands show speed to value and clean operating models. That combination keeps Charle in the conversation as leading enterprise Shopify B2B developers for brands stepping into trade accounts and tiered pricing.
Services and expertise: Design & build of Shopify/Shopify Plus stores; custom theme development; conversion optimization; strategy and consultancy
Location: London, England, serving the UK and beyond
Team size: 15 experts
Clients: Fashion, beauty, food, and home brands from startups to established retailers
Elogic started in the Magento world and now thrives as a platform-agnostic eCommerce integrator with deep B2B chops. The team scales from discovery to replatforming, vendor portals, and marketplace builds, which suits multi-brand portfolios and wholesale networks. That versatility earns Elogic a place among the best B2B ecommerce development agencies when complexity is non-negotiable.
Cooperation models span fixed price for clear scopes and time-and-materials for evolving roadmaps, aligning procurement with delivery without drama. With 150+ certified developers across practices, Elogic handles integrations to ERP, OMS, CRM, and PIM while protecting performance budgets. Enterprises moving channels or modernizing tech stacks get a seasoned partner used to change at scale.
Services and expertise: End-to-end eCommerce development (B2B & B2C); marketplace and vendor portal development; consulting and optimization; integrations; team extension and replatforming
Location: Kyiv, Ukraine HQ with global delivery
Team size: 150 experts
Clients: Global enterprises in technology, apparel, and consumer goods
Quickfire Digital is one of the UK’s fast-rising Shopify Plus specialists, pairing high-performance builds with proactive growth retainers. The agency competes through speed, clean code, and a playbook that bakes CRO into sprints rather than bolting it on later. That approach helps brands get live faster and scale without rewrites.
Engagements are transparent and modular — kick off with a build, then extend into optimization only if the data justifies it. Growth clients appreciate the cadence of testing, roadmap reviews, and accountable metrics, making Quickfire a practical choice when you plan to hire Shopify B2B developers who will keep iterating post-launch.
Services and expertise: Shopify & Shopify Plus design and development; custom software; conversion optimization; growth retainers
Location: Norwich, England
Team size: 32 experts
Clients: Consumer brands in footwear, beverage, beauty, and lifestyle
Avex Designs brings a New York scale of talent to Shopify Plus with a portfolio that stretches from fashion to CPG to luxury. Their B2B work often consolidates wholesale and DTC in one stack, with gated catalogs, contract pricing, and account hierarchies living beside consumer storefronts. That dual-track execution is part of why buyers see Avex as a steady bet among the best Shopify B2B development agencies in 2026.
Engineering is paired with strategy and growth marketing, so UX, creative, and ERP integration move in step. Enterprises get clarity on data flows and ownership while protecting site speed and merchandising control. If your roadmap includes multi-region stores, EDI, and content syndication, Avex brings the specialists to wire it together.
Services and expertise: B2B and DTC Shopify Plus development; custom theme and app development; ERP integration; UX & creative; conversion optimization; digital strategy and growth
Location: New York City headquarters with a global remote team
Team size: 50 experts
Clients: Global brands in apparel, beverages, beauty, luxury, and home goods
Swanky was early to Shopify Plus and has stayed there, building international programs with a heavy focus on subscriptions and data-led CRO. B2B teams like the discipline — hypotheses, testing plans, and measurable lifts that translate into reorders and lower service costs. With offices in the UK and Australia, Swanky supports global operations across time zones.
Engagements cover migration, net-new builds, and optimization, with sustainability credentials that pair well with enterprise ESG goals. Governance matters at this scale, and Swanky’s cross-functional team of strategists, analysts, and engineers keeps decision rights and documentation in good shape. That steadiness is why they’re frequently cited among the top Shopify B2B development agencies in 2026.
Services and expertise: Shopify Plus design & development; migrations; subscription and DTC specialists; CRO; marketing; data & analytics
Location: Exeter, UK with Toowoomba City, Australia
Team size: 50 experts
Clients: Mid-market and enterprise brands in food & drink, pet care, health & wellness, and beyond
Coalition Technologies is built for volume and scale, with hundreds of specialists across design, development, and performance marketing. The team follows a disciplined discovery-to-QA process and pairs Shopify engineering with SEO and PPC — a rare combination in enterprise B2B. When catalogs are big and acquisition goals are aggressive, Coalition keeps moving parts aligned.
Enterprises like the breadth: store builds, content strategy, ongoing optimization, and analytics in one program. No long contracts are required to get started, and case study depth helps de-risk complex roadmaps. For companies that need proof at every step, Coalition’s process supports the best Shopify B2B developers for enterprise-level commerce value case.
Services and expertise: Shopify design & development; SEO and digital marketing; PPC; conversion optimization; content and email; structured discovery, design, development & QA
Location: Los Angeles HQ with Seattle and global teams
Team size: 300 experts
Clients: Hundreds of case studies across B2C and B2B, including Shopify and Buy with Prime ecosystems
DigitalSuits straddles Shopify Plus, custom software, and AI solutions, which suits B2B merchants modernizing beyond the storefront. The agency fields multi-disciplinary squads that can build the store, the integration layer, and the middleware that connects ERP and PIM. That range reduces vendor sprawl and speeds the path from spec to production.
Engagements flex from fixed-scope builds to staffed pods for long product backlogs. Experience across SMEs and mid-market brands means DigitalSuits is comfortable iterating quickly while keeping enterprise guardrails in place. For buyers shortlisting leading enterprise Shopify B2B developers, the blend of Shopify, custom dev, and data smarts hits a sweet spot.
Services and expertise: Shopify & Shopify Plus development; custom software; AI/ML; IT outstaffing; consulting
Location: Miami HQ with Kyiv and Kharkiv offices
Team size: 50 experts
Clients: SMEs and mid-market brands across fashion, outdoor, fintech, and services
Underwater Pistol has been in the Shopify ecosystem since 2006 and keeps everything in house — strategy, design, development, and growth. That control helps B2B programs maintain speed while keeping brand and UX consistent across buyer portals and DTC storefronts. The agency builds with data in mind, then optimizes with structured testing.
Methodology follows four clear phases — planning, building, growing, and accelerating — which helps enterprise teams align stakeholders and stage rollouts. Subscriptions, loyalty, SEO, and retention are part of the core toolkit, not afterthoughts. If you want a seasoned team without layers of subcontractors, UWP is a strong candidate when you hire Shopify B2B developers.
Services and expertise: UX strategy & design; Shopify Plus development & migration; CRO; subscriptions; SEO; branding; loyalty & retention
Location: London, UK
Team size: 50 experts
Clients: DTC and B2C brands in food, home, publishing, and lifestyle
Eastside Co is one of the earliest UK Shopify Plus partners and operates with 70+ specialists across design, engineering, apps, and marketing. The agency mixes board-level strategy with sharp execution, which is helpful when the brief spans brand, build, and growth. Multi-office coverage in the UK, US, and EU supports international trading rules and tax nuances.
Work ranges from new builds to migrations and app development, often underpinned by long-term optimization programs. Fashion, beauty, and lifestyle portfolios show polish and performance, while the governance piece keeps brand teams and merchandisers aligned. For stakeholders comparing the best Shopify B2B developers for enterprise-level commerce, Eastside Co’s scale and continuity stand out.
Location: Birmingham HQ with London, New York, Hamburg, and Dubai
Team size: 70 experts
Clients: Fashion, beauty, lifestyle, and specialty retail across UK, US, and EU
Making An Enterprise-Ready Choice
Set the target first: contract pricing, gated catalogs, quantity rules, and self-serve reorders that actually stick. Then match teams to your stack, not the other way around — the best Shopify B2B development agencies in 2026 can meet you where you are, whether you run SAP, NetSuite, or a homegrown ERP. Proof points matter: certifications, shipped migrations, and references with real numbers.
If you need exports, integration reliability, and governance you can audit, pick for process and cadence — not just a clever pitch. Shortlist two or three candidates, ask for a discovery plan, and insist on measurable milestones. With the right partner from the top Shopify B2B development agencies in 2026, your buyers will spend less time navigating friction and more time ordering, which is the point.
If you want to feature your Top Shopify B2B Development Agencies For Enterprise-Level Commerce on this list, email us or submit a form in the Top Choices section. After a thorough assessment, we’ll decide whether it’s a valuable addition.
