Recent works we are proud of
Your store isn't underperforming. It's leaking revenue.
The traffic is there. The sales aren't. Somewhere between the click and the checkout, revenue is slipping away - and most stores never find out where.
LOW CONVERSION
Traffic isn't the problem. Your funnel leaks, and every drop-off is revenue you already paid to earn.
SLOW ON MOBILE
Most of your buyers are on a phone. Every extra second of load time quietly pushes them to a competitor.
APP BLOAT
Each app adds cost and code. Stack enough and you're paying monthly to make your own store slower - and convert worse.
Stop leaking.Start converting.
Every click you paid for should pull its weight - so we engineer your store to turn traffic into revenue.
CONVERSION, ENGINEERED
We track every step of your funnel, find where buyers drop off, and fix it with data - not guesswork.
FAST IN 1 DAY
We strip the bloat and rebuild for speed, so your mobile store loads instantly and keeps buyers moving.
ONE CLEAN BUILD
We replace your stack of paid apps with one custom build - lower costs, cleaner code, faster store.
Different stores. Same result: more revenue.
Custom Shopify Development
Custom store improvements for seasonal gifts workflows, built and shipped in close partnership with the in-house team.
Operational efficiency improvement
Shopify Conversion Optimization
Restructuring 1500+ product variants on Shopify in just 4 hours, now fully available on product pages.
Conversion rate from paid traffic
Speed Optimization
Migrate from a headless setup to Shopify Native in just a few days, with gains still rolling in.
Performance score
Engineering without the chaos
STEP #1
FREE DISCOVERY CALL
We get to know your store and goals, and align on timeline, budget, and fit - no strings.
STEP #2
STORE AUDIT
We dig into your performance, code, and funnel, and map out exactly where revenue is leaking.
STEP #3
BUILD & IMPLEMENT
Senior engineers build, optimize, or migrate - clean code, clear updates, no drama.
STEP #4
MONITOR & SUPPORT
We stay on as your tech partner, keeping your store fast and your revenue climbing as you grow.
What our clients say about us
"Zinzo addressed the legacy code affecting our shop's speed performance, while developing some new features. As a result, the performance score already doubled, with more improvements following soon."
Guido Evers
@TESTA-OMEGA3.COM
"The custom improvements to our webshop were done professionally, in close cooperation with our technical partner and delivered within 2 weeks. We immediately noticed the results in our analytics: in the first month we measured a 14% conversion rate increase from organic search and +81% increase on paid search."
Ronald Klijsen
@LOINTSOFHOLLAND.COM
"The core web vitals changed from 60 (fail) to +80 (pass) following the performance fix to one of our client's Magento webshop. Directly we saw the paid traffic conversions improve by almost 80%."
Akke Pennin
@IWB.AGENCY
"The Performance Audit not only gave me practical insights to technical changes, but I also got important feedback how to improve the conversion rate in the buyer journey. Great value!"
Tim Dekens
@THECHANGESTARTS.COM
"Zinzo built a custom Shopify store that aligns perfectly with my brand, implementing every detail as I envisioned while maintaining clear communication throughout the process."
Susan van Elteren
@NOBLEXI.NL
"Working with Zinzo was personal, efficient, and delivered a great result: a scalable Shopify solution for our unique gift assortment."
Lennert Rietveld
@GESCHENKENVANVROEG
"Zinzo delivered exactly what we needed — fast, technically solid, and with clear communication throughout. Their Shopify engineering expertise really stood out, especially in making our store fully multilingual and scalable for international growth. Complex requirements were handled smoothly, feedback was picked up quickly, and responses were always within a day. We're extremely happy with the end result and the way the team works."
Yannick Haverkamp
@TOTELABEL.COM
"This team has the expertise and is fast. We migrated from MijnWebwinkel to Shopify and they help us at every step. Super."
Arend-Jan Majoor
@STOPMIJNAFVAL.NL