Shopify App Development & Theme Services

What we do

End-to-end Shopify development

From custom apps and themes to speed and ongoing support — we build, optimize, and maintain the tools your business runs on.

Shopify App Development

Custom public & private apps, integrations, and automations that extend your store.

  • Public & private app development
  • Third-party & API integrations
  • Custom admin tools & storefront widgets
  • Maintenance & support
Book a call →

Theme & UX

Custom themes and conversion-focused storefront design.

  • Custom theme development
  • Section & block building
  • UX / CRO improvements
  • Responsive QA
Book a call →

Speed Optimization

Faster loads, better Core Web Vitals, and higher conversions.

  • Full PageSpeed audit
  • Image & app-bloat optimization
  • Theme code cleanup
  • 30-day monitoring
See speed packages →

How we work

A clear path from idea to launch

01

Discover

Goals, scope, and a clear quote.

02

Build

Design and develop in tight cycles.

03

Launch

QA, polish, and go live.

04

Support

Monitor, maintain, and improve.

Why SGTLab

An agency that thinks like a product team

Platform specialists

We build apps on Shopify — we know it inside-out.

Transparent pricing

Fixed-scope packages, no surprises.

Fast turnaround

Tight, predictable delivery cycles.

Ongoing support

We stay on after launch.

Clients

What they say

"They transformed our store — simple, effective, and highly recommended."
R Raison ArtsVerified client
"Easy to use and does exactly what it says. Fair terms and great to work with."
A AllSportSystemsVerified client
"We've used SGTLab's apps for a long time now — 100% recommended."
S SUSRANA GroupVerified client

Have a project in mind?

Book a free consultation — no obligation.

Book a free consultation →