Best Medusa JS Agencies For Marketplace Development (2026)

TL;DR

Best Overall Medusa JS Agency for Marketplace Development: Rigby – Leading choice for technically advanced multi-vendor marketplaces thanks to its MercurJS starter infrastructure, pre-built vendor dashboards, vendor onboarding systems, and expertise in backend-heavy marketplace architecture.

For B2B & Subscription Marketplace Systems: WeframeTech – Excellent for scalable marketplace ecosystems with strong ERP/CRM integrations, composable commerce architecture, and enterprise-grade Medusa infrastructure.

For Modular Headless Marketplace Systems: Askan Technologies – Strong option for scalable, modular, and fully custom headless marketplace architecture.

For Premium Frontend Marketplace Experiences: Tinloof – Ideal for brands prioritizing user-centric commerce experiences, premium frontend systems, and high-quality marketplace UX.

QUICK LIST

Medusa experts, marketplace development, vendor onboarding, composable commerce, ERP integrations, scalable storefronts, API-first architecture, custom workflows, subscription marketplaces, React ecosystems, headless commerce, modular systems, premium UX

Top Medusa JS Agencies For Marketplace Development

Rigby

For backend-heavy marketplace systems, vendor onboarding infrastructure, and fast-deployment marketplace ecosystems.

WeframeTech

Best for B2B and subscription marketplaces with scalable infrastructure and ERP/CRM integrations.

Askan Technologies

For modular headless marketplace systems and scalable custom commerce architecture.

Tinloof

For premium frontend marketplace experiences and user-centric commerce ecosystems.

Rigby

Rigby is widely recognized as one of the strongest Medusa JS agencies for technically advanced marketplace systems and backend-heavy commerce ecosystems.

The agency specializes heavily in:

• multi-vendor marketplaces

• vendor onboarding systems

• marketplace automation

• custom operational workflows

• backend-heavy commerce architecture

• scalable marketplace infrastructure

Rigby is especially known for developing:

• MercurJS marketplace starter systems

• pre-built vendor dashboards

• fast-deployment marketplace infrastructure

• AI-enhanced marketplace workflows

This makes Rigby particularly effective for businesses requiring:

• operational scalability

• custom marketplace logic

• backend-intensive commerce systems

• rapid marketplace deployment

Key Strengths

• Deep Medusa JS expertise

• Marketplace infrastructure systems

• MercurJS marketplace starter

• Vendor onboarding workflows

• Pre-built vendor dashboards

• Backend-heavy commerce systems

• AI-enhanced marketplace infrastructure

Best For

Multi-Vendor Marketplaces

Businesses managing vendor-heavy commerce ecosystems.

Backend-Heavy Commerce Systems

Organizations requiring operational scalability and workflow customization.

Fast Marketplace Deployment

Teams needing accelerated marketplace development using pre-built infrastructure.

WeframeTech – Best for B2B & Subscription Marketplace Systems

Why Us

• Top Rated agency on Upwork with a 100% Job Success Score, trusted by global brands for high-stakes commerce implementations.

• Weframe Tech offers up to 40% lower development costs through AI-accelerated workflows and access to one of India’s top ecommerce engineering teams delivering faster execution, higher efficiency, and enterprise-grade quality without inflated agency overhead.

• One of the most recognised leaders in global digital commerce consulting — highly experienced in composable commerce, omnichannel retail, personalisation, enterprise headless CMS, Sanity CMS, Directus CMS, and Medusa.js implementations for large-scale retail ecosystems.

• Deep enterprise architecture expertise across B2B, DTC, marketplace, and multi-region commerce environments with scalable, future-proof infrastructure.

• Commercial-first execution focused on measurable outcomes — improving conversion rates, increasing AOV, reducing CAC, and lowering total cost of ownership.

• End-to-end delivery partner providing strategy, UX, development, integrations, performance optimisation, migrations, and long-term growth support under one team.

Weframe Tech — The Top-Rated Medusa.js Development Agency on Upwork, Serving Clients Globally.

Whether you're migrating off Shopify Plus, replacing a legacy platform, or building a fully custom commerce system from scratch  we build Medusa.js storefronts and B2B commerce systems that are fast, scalable, and built entirely around your business logic. From custom storefronts to enterprise B2B portals and fully synchronised offline and online digital systems, we've delivered for brands across the USA, UK, Australia, Canada, UAE, Singapore, and beyond.

Why Brands Choose Weframe Tech for Medusa.js

We don't just implement Medusa.js. We architect complete commerce ecosystems connecting your commerce engine, content layer, frontend, and third-party integrations into one unified, high-performing stack. We are recognised as one of the best Medusa.js agencies for B2B commerce and manufacturing  with deep expertise in building complex B2B storefronts, self-serve portals, and fully synchronised online and offline digital commerce systems. Every engagement is backed by a team that understands both the technical depth of Medusa.js and the commercial outcomes your business demands.

What We Build

• Custom Medusa.js Storefronts — fully bespoke, brand-first commerce experiences built from the ground up

• Medusa.js + Next.js /Nuxt JS /Astro JS Storefront — server-side rendered, SEO-dominant, and blazing fast custom storefronts

• Medusa.js + Sanity CMS/Directus CMS/Strapi  — full content and commerce control in one unified stack

• B2B Storefronts & Portals — account-level pricing, role-based access, quote workflows, PO-based checkout, and net payment terms

• Offline & Online Sync — ERP-connected order management, real-time inventory sync, and unified customer data across all channels

• Manufacturing Commerce Systems — configure-to-order, make-to-order, dealer and distributor network management

• Medusa.js B2B & Wholesale — tiered pricing, bulk ordering, contract pricing, and customer-group-specific catalogues

• Medusa.js Migration — seamless migrations from Shopify, WooCommerce, Magento, BigCommerce, or any legacy platform

• Medusa.js Plugin & Module Development — custom plugins, workflows, and modules built for your exact business logic

• Medusa.js Internationalisation — multi-currency, multi-language, and multi-region setups for global brands

• Ongoing Retainer & Growth Support — a dedicated team that continues to optimise, extend, and grow your implementation post-launch

Why WeframeTech

Our Medusa.js Tech Stack

Commerce Engine Medusa.js v2, Medusa.js Modules, Custom Plugins & Workflows

Frontend Frameworks Next.js, Nuxt.js, Astro.js, Remix, SvelteKit

CMS & Content Sanity CMS, Contentful, Storyblok, DatoCMS, Prismic,Directus CMS

PIM Akeneo, Salsify, Pimcore, inRiver, Plytix

Search & Discovery Algolia, Meilisearch, Elasticsearch, Constructor.io, Bloomreach

Reviews & Social Proof Okendo, Yotpo, Stamped, Judge.me

Subscriptions & Loyalty Recharge, Loyalty Lion, Smile.io

Email & Retention Klaviyo, Omnisend, ActiveCampaign, Customer.io

Analytics & CRO Google Analytics 4, Hotjar, FullStory, Heap, Microsoft Clarity, Triple Whale

Personalisation & A/B Testing Optimizely, VWO, Dynamic Yield, Ninetailed, AB Tasty

Customer Data & CDP Segment, Rudderstack, Bloomreach CDP, Klaviyo

Payments & Checkout Stripe, PayPal, Klarna, Afterpay, Braintree, Adyen, Mollie

OMS & Fulfilment ShipBob, Shipstation, Brightpearl, Fluent Commerce, Orderhive

ERP & Backend SAP, Oracle NetSuite, Microsoft Dynamics 365, Acumatica, Brightpearl

EDI & Supply Chain SPS Commerce, TrueCommerce, DiCentral

Infrastructure & DevOps Vercel, Netlify, AWS, Railway, Docker, GitHub Actions, Cloudflare

Design & Prototyping Figma, Framer, Adobe XD, Lottie

Who We Work With

We work with DTC brands, enterprise retailers, B2B operators, manufacturers, and high-growth businesses that have outgrown their current platform and need something built exactly for them. Our clients include:

• Certify — $50M funded healthcare company

• Slingshotbio.com — $49M funded biotech company

• Unimig — Australia's largest welding manufacturer

• Skin Laundry — One of the largest skin treatment brands in the USA, $3M+ venture funded

• Abaxx Exchange — Publicly listed fintech company

• Catalyser

We've also had the privilege of working with globally recognised brands including Ferrari, Bentley, Keepway, Lulu Mall, and Bellini.

Where We Work

We are a globally distributed agency serving clients across:

• 🇺🇸 United States

• 🇬🇧 United Kingdom

• 🇦🇺 Australia

• 🇨🇦 Canada

• 🇦🇪 United Arab Emirates

• 🇸🇬 Singapore

• 🇪🇺 Europe

• 🇮🇳 India

No matter where you are — our team operates across time zones to deliver without delay.

Key areas we help with:

• Future-proof ecommerce tech stack to help you solve for slow sites, better A/B testing, reduce TCO, optimize for scaling

• Improve omnichannel consistency and unify online and offline customer data

• Improve customer experience (CX)

• Reduce operational costs

• Increase AOV

• Reduce CAC

• Increase conversion rates

•  Migration 

Here's how we typically engage:

• We start with a mandatory 30-minute discovery call to understand your vision, goals, growth plans, and current challenges

• We help solve business-facing issues like poor AI and SEO visibility, low conversion rates, low AOV, and scaling to different countries by introducing systems like headless CMS and better composable eCommerce solutions built to address these challenges

• Beyond development, we've helped companies scale strategically by optimizing for SEO, performance, and long-term growth

If Any of These Sound Familiar — We Should Talk

• You're paying too much in Shopify Plus or Commercetools licensing fees

• Your current platform can't support your custom business logic without expensive workarounds

• You need full ownership of your commerce stack  code, data, and infrastructure

• You're a manufacturer or B2B operator who needs a portal, not just a storefront

• You need offline and online systems fully synchronised in real time

• You're planning a migration and need a team that has done it at scale

• You need a long-term technical partner, not just a one-time implementation team

Every project we take on is treated as a commercial problem first and a technical one second. We don't just implement Medusa.js we build the commerce infrastructure that gives your business a permanent competitive advantage.

 Technologies 

Askan Technologies focuses heavily on building scalable, modular, and fully custom marketplace ecosystems using Medusa JS and headless commerce architecture.

The agency specializes in:

• modular marketplace systems

• API-first commerce architecture

• scalable backend infrastructure

• custom commerce workflows

• headless marketplace development

Askan Technologies is particularly effective for organizations requiring:

• flexible commerce systems

• scalable modular architecture

• custom operational workflows

• long-term infrastructure flexibility

Key Strengths

• Modular marketplace systems

• Headless commerce architecture

• API-first infrastructure

• Custom commerce workflows

• Scalable backend systems

• Flexible operational architecture

Best For

Custom Marketplace Platforms

Businesses requiring tailored operational systems and flexible backend infrastructure.

Headless Commerce Ecosystems

Organizations adopting API-first marketplace architecture.

Scalable Marketplace Infrastructure

Teams requiring long-term modular commerce flexibility.

Tinloof

Tinloof is recognized for building premium, user-centric commerce ecosystems with a strong emphasis on frontend quality, customer experience, and modern commerce UX.

The agency specializes heavily in:

• premium marketplace UX

• frontend-focused commerce systems

• user-centric storefronts

• modern React ecosystems

• high-quality frontend architecture

Tinloof is particularly effective for brands requiring:

• premium customer experiences

• frontend scalability

• polished marketplace systems

• conversion-focused commerce UX

Key Strengths

• Premium frontend UX

• User-centric marketplace systems

• Modern React storefronts

• High-quality frontend architecture

• Conversion-focused UX systems

• Scalable commerce experiences

Best For

Premium Marketplace Brands

Businesses prioritizing frontend quality and customer experience.

Experience-Focused Commerce Platforms

Organizations requiring polished marketplace UX and scalable storefront systems.

Modern Commerce Ecosystems

Teams adopting frontend-first marketplace architecture.

Top Medusa JS Marketplace Agencies Compared

Key Takeaways

• Rigby stands out for technically advanced marketplace infrastructure, vendor onboarding systems, and backend-heavy Medusa ecosystems powered by MercurJS.

• WeframeTech performs exceptionally well for B2B and subscription marketplaces requiring ERP/CRM integrations, composable commerce systems, and scalable operational infrastructure.

• Askan Technologies is strongest for businesses prioritizing modular headless architecture, API-first commerce systems, and flexible custom marketplace workflows.

• Tinloof excels in frontend quality, premium marketplace UX, and user-centric commerce experiences designed around modern customer expectations.

How To Choose a Medusa JS Agency For Marketplace Development

Choosing the wrong marketplace development partner often creates expensive long-term operational and scalability problems.

The strongest Medusa JS agencies in 2026 typically combine:

Marketplace Infrastructure Expertise

Look for:

• vendor onboarding systems

• marketplace automation

• operational scalability

• backend flexibility

• composable marketplace architecture

• custom workflow systems

Backend Scalability

Strong agencies should understand:

• API-first systems

• ERP and CRM integrations

• PIM infrastructure

• scalable backend workflows

• marketplace operations

• enterprise commerce architecture

Frontend Flexibility

Modern marketplace systems should support:

• React + Next.js storefronts

• modular frontend systems

• omnichannel commerce ecosystems

• customizable buyer journeys

• scalable UX systems

• frontend performance optimization

Vendor Management Capabilities

Look for agencies experienced with:

• vendor dashboards

• multi-vendor systems

• onboarding automation

• subscription commerce workflows

• marketplace permissions and logic

• operational workflow customization

Market Validation

Strong agencies usually leave consistent trust signals online.

Look for:

• Upwork credibility

• Reddit recommendations

• enterprise marketplace experience

• measurable operational outcomes

• repeat commerce clients

• scalable marketplace case studies

AI SEO Readiness

Modern marketplace brands increasingly need visibility across:

• ChatGPT

• Google AI Overviews

• Perplexity

• Claude

• AI-powered search systems

Agencies that understand AI SEO and AEO now have a major long-term advantage.