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~30 min callHop on a quick call. We dig into your goals, then hand you a clear plan with scope, timeline, and budget.
- Free discovery call
- Honest, fixed quote
From Shopify and BigCommerce apps to custom CRMs, mobile, and desktop software — Mavasis designs and ships the tools your business runs on.
Works with Shopify · BigCommerce · React · TypeScript
A clear, low-risk path from first hello to shipped product — you see real progress at every step, and nothing gets built until you're happy.
Hop on a quick call. We dig into your goals, then hand you a clear plan with scope, timeline, and budget.
We design and build a clickable prototype fast — so you can see and feel the real product long before the heavy lifting.
You poke at it, tell us what to change, and sign off. We lock scope together — so there are zero surprises later.
We build the real thing: production-ready, tested, documented, deployed — and yours to keep growing.
No juniors learning on your budget, no endless status decks — just experienced people shipping working software every week.
You get working software in your hands every week. Progress you can click, not slides you have to trust.
Deep Shopify & BigCommerce expertise — apps, storefronts, and tools that pass app-store review the first time.
Typed end to end, tested, documented, and tuned for 90+ Lighthouse and 99.9% uptime. Easy to keep improving.
Clear estimates up front and a locked scope before we build. You always know what you're getting and when.
Uptime we build for
Lighthouse score
Products launched
Client rating
A few words from the founders and teams we've built with.
“Mavasis rebuilt our Shopify checkout tooling in six weeks. Conversion is up 18% and the code is the cleanest we've ever inherited.”
“Our BigCommerce app passed review on the first submission. Their team just gets the platform in a way our last agency never did.”
“The custom CRM they built runs our entire sales floor. Weekly demos meant zero surprises — we always knew exactly where things stood.”
“One senior team took our idea from Figma to shipped iOS, Android, and desktop apps. Fast, calm, and genuinely fun to work with.”
“Mavasis rebuilt our Shopify checkout tooling in six weeks. Conversion is up 18% and the code is the cleanest we've ever inherited.”
“Our BigCommerce app passed review on the first submission. Their team just gets the platform in a way our last agency never did.”
“The custom CRM they built runs our entire sales floor. Weekly demos meant zero surprises — we always knew exactly where things stood.”
“One senior team took our idea from Figma to shipped iOS, Android, and desktop apps. Fast, calm, and genuinely fun to work with.”
Commerce platforms, the tools around them, and the apps that run your business — designed and shipped end to end.
High-converting, lightning-fast custom Shopify storefronts and themes built to scale.
Learn morePrivate apps, custom checkout logic, and Shopify Functions that automate your operations.
Learn morePublic and single-click apps for the BigCommerce marketplace, built to pass review.
Learn moreStorefront customizations, integrations, and back-office tooling on the BigCommerce API.
Learn moreBespoke CRMs and internal platforms tailored to exactly how your team actually works.
Learn moreNative-feeling iOS and Android apps from one codebase — fast, polished, and store-ready.
Learn moreCross-platform desktop software for Mac, Windows, and Linux that feels truly native.
Learn moreShopify and BigCommerce stores, apps, and tools; custom CRMs and internal platforms; and mobile and desktop apps. If it's software, we can likely build it.
With a short discovery call and a fixed-scope proposal. From there we work in tight weekly loops so you see working software early.
Yes — we're specialists on both. Storefronts, public and custom apps, checkout logic, and back-office tooling on each platform.
Absolutely. We slot in alongside in-house developers and designers, hand off clean code, and document as we go.
Mostly TypeScript end to end — React on the frontend, Node on the backend, native mobile and desktop wrappers, and cloud infra tuned to the project.
We offer retainers for maintenance, performance work, and new features after launch — or a clean handover if you'd rather run it yourself.
Tell us what you're building. We'll reply within one business day with next steps — no obligation, no sales pressure.
Prefer email? hello@mavasis.com