Case studies

Real Stores. Real Numbers.

Every engagement below started with a business problem. Here is what was broken, what I built, and the impact it had after launch.

Fashion & Apparel

Challenge:: A slow Shopify theme losing mobile buyers before they reached checkout.
Solution:: Custom theme rebuild with sticky add-to-cart, instant search and a streamlined two-step checkout.

+43%

Conversion rate

-58%

Load time

+38%

Avg. order value

Health & Subscriptions

Challenge:: One-off purchases only, with no repeat revenue and a leaky post-purchase flow.
Solution:: Recharge subscriptions, a bundle builder and Klaviyo win-back flows wired into the theme.

+61%

Repeat revenue

2.4×

Customer LTV

+27%

Email revenue

Platform Migration

Challenge:: An ageing WooCommerce store with constant downtime during peak sales.
Solution:: Full migration to Shopify with mapped redirects, rebuilt collections and preserved rankings.

Rankings lost

99.9%

Uptime

5×

Faster admin

Headless Hydrogen

Challenge:: A heavy theme with app bloat capping PageSpeed in the low 30s.
Solution:: Headless Hydrogen storefront on Oxygen with a quiz-driven PDP and an optimised image pipeline.

PageSpeed

2×

Organic traffic

+51%

Add-to-cart rate

Testimonials

What Clients Say

“Kartio rebuilt our Shopify theme in six weeks and conversion is up over 40%. Communication was excellent the whole way through.”

ABA. BelloFounder, Orbit Apparel

“Subscriptions and bundles finally work the way we imagined. Repeat revenue is the healthiest it has ever been.”

SKS. KimaniEcommerce Manager, Pulse Supplements

“The migration to Shopify was seamless — no lost rankings, no downtime, and the store loads in under a second.”

JOJ. OkaforHead of Digital, FieldKit

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