We design, build and maintain online stores that sell — from theme and checkout to integrations and ongoing support. No agencies that vanish after launch.
We don't just ship a pretty site. We build your full eCommerce operation and keep it growing.
Stencil themes (BigCommerce), Liquid (Shopify) or headless frontends with Next.js. On-brand, fast and built to convert.
ERP, inventory, invoicing, payment gateways (Stripe, MercadoPago), shipping and real-time sync via REST/GraphQL.
Price lists, customer groups, quotes, account-based ordering and purchasing portals for distributors and wholesalers.
From Woo, Magento or legacy carts to BigCommerce or Shopify. Data, SEO and redirects handled so you keep your rankings.
Speed, checkout, analytics (GA4/GTM) and experiments. Data-driven decisions to sell more with the same traffic.
Monthly plans: monitoring, improvements, new features and direct response. Your store isn't left alone after launch.
Gran Comercio is run by a former Solutions Engineer and a former Account Director from BigCommerce, who worked with clients across LATAM and part of the US. The mix of technical and business perspective changes how a store gets built — and how it grows.
Between us we've been on all three sides of eCommerce: the vendor (BigCommerce), the customer relationship and the implementation. Our zone is where business meets code — we design the flow, write the integration and answer when something breaks.
"Custom theme, real-time inventory sync and a store that holds up through drops without crashing."

We understand your business, catalog and operation. We define scope and the right platform.
Theme, product pages, checkout and integrations. Reviewable progress, not a black box.
Data migration, SEO, testing and a careful go-live. No lost sales or rankings.
Ongoing support, improvements and new features month over month. The store evolves with you.
We don't work in isolation. AI is solved with NodoLab, market data comes first-hand through eb2b.io, and we're inside the largest eCommerce community in the country.
Design, build and maintenance of B2C and B2B stores. BigCommerce, Shopify, headless and migrations. You're here.
Software powered by artificial intelligence: apps, multi-tenant CRMs, WhatsApp automation and agents. Our AI arm for implementation.
Data and directory of B2B commerce in Mexico and Latin America. Real market context — suppliers and demand — for informed decisions.
We're part of the largest eCommerce community in Mexico — connected to the trends, platforms and people moving the industry.
No. BigCommerce is where we go deepest thanks to direct experience, but we also build on Shopify, headless frontends with Next.js and stores on WordPress/WooCommerce. We recommend the platform that serves your business best, not the one that's easiest for us.
Yes. Per-customer price lists, groups, quotes, account-based ordering and purchasing portals for distributors. B2B is one of our specialties.
We offer monthly maintenance plans: monitoring, improvements, new features and direct support. The store isn't abandoned — it keeps growing with your business.
Yes. We operate in Spanish and English, with projects across LATAM and the United States. We handle payments, taxes and logistics context for both markets.
Message us on WhatsApp with a short description of your project. We schedule a discovery call, define scope and send you a clear proposal with timeline and pricing.
Tell us about your project. We reply directly — no endless forms, no sales reps in between.
Message us on WhatsApp