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Zen Cart Specialists Since 2009

Upgrade Your Zen Cart to Version 2.x — Safely.

We migrate your store from Zen Cart 1.3.x or 1.5.x to the latest 2.x — zero data loss, all plugins preserved, your live store stays online throughout.

Get Free Store Audit → View Pricing
✓ No obligation audit
✓ Fixed price, no surprises
✓ 24hr response
Free Audit Included
15yr
Experience
$349
Starting Price
0
Data Loss
1.3.x
→
1.5.x
→
2.x ✓
  • Full data migration — products, orders, customers
  • All plugins audited and migrated
  • PHP 8.x compatibility guaranteed
  • SSL & security hardening included
  • SEO URLs preserved with 301 redirects
  • 30-day post-launch support included
from $349 one-time fixed price
Get My Free Audit →
The Cost of Waiting

Is Your Old Zen Cart Store
a Ticking Time Bomb?

Running Zen Cart 1.3.x or 1.5.x exposes your business to serious threats that grow more severe every day you delay.

🔓

Critical Security Vulnerabilities

Zen Cart 1.x no longer receives security patches. Known exploits are actively targeting outdated stores to steal payment data and customer records. You are a target right now.

🐌

Broken PHP 8.x Compatibility

Modern hosting runs PHP 8.x. Old Zen Cart throws fatal errors — causing white screens, checkout failures, and lost sales. Your customers may already be experiencing issues.

📉

Google Rankings Slipping

Google penalises slow, insecure sites with poor Core Web Vitals scores. Competitors on modern platforms are outranking you while you lose revenue every week.

💳

Payment Gateways Dropping Support

Stripe, PayPal, and Square are cutting off outdated platforms. You could lose the ability to accept payments with zero advance warning.

What We Do

Everything Included
In Your Upgrade

One expert team handles your entire migration — no handoffs, no surprises, no hidden extras.

⬆️

1.5.x → 2.x Upgrade

Full upgrade from any 1.5.x build to Zen Cart 2.x. Products, orders, customers, and all data migrated intact with zero loss.

Most Requested
🏗️

1.3.x → 2.x Legacy Upgrade

Deep legacy migrations from 1.3.x builds. We specialise in these complex upgrades and have handled them safely many times.

Expert Level
🎨

Custom Theme Migration

We port or rebuild your custom design for Zen Cart 2.x's modern template system — your brand identity preserved exactly as it was.

Design-Aware
🔌

Plugin & Module Audit

Every plugin audited for 2.x compatibility. We find alternatives or custom-build replacements as needed — no gaps left behind.

Zero Gaps
🛡️

Security Hardening

SSL, admin lockdown, file permissions, and PCI-DSS compliance review — your store secured from the very first day after launch.

Security First
📈

Speed & SEO Optimisation

PHP caching, image compression, DB query tuning, URL mapping and 301 redirects to protect your existing Google rankings.

Core Web Vitals
How We Work

Our 5-Step Upgrade Process

A proven, repeatable process. No guesswork. No downtime. No surprises.

01

Free Store Audit

We assess your version, plugins, theme, and data. No charge, no commitment required.

02

Fixed-Price Proposal

Detailed scope, exact timeline, and a locked price delivered within 24 hours.

03

Staging Migration

Full upgrade on a staging server — your live store stays online throughout.

04

QA & Your Review

80-point QA checklist, then you review every page and flow before we go live.

05

Go-Live + Support

Launch during low traffic, then 30 days of priority support included.

Transparent Pricing

Fixed-Price Packages

No hourly billing. No hidden fees. The price you see is the price you pay — always.

Starter
Standard Upgrade
1.5.x → 2.x. Simple store with a standard theme and up to 5 plugins.
$349
One-time fixed price
  • Zen Cart 1.5.x → 2.x
  • Up to 5 plugins migrated
  • Standard theme rebuild
  • Full data migration
  • QA & staging review
  • 14-day post-launch support
Get Started →
Most Popular
Professional
Advanced Upgrade
1.3.x or 1.5.x → 2.x. Custom theme + multiple plugins + larger catalog.
$699
One-time fixed price
  • 1.3.x or 1.5.x → 2.x
  • Up to 15 plugins migrated
  • Custom theme port or rebuild
  • SEO URL mapping + 301 redirects
  • Security hardening included
  • Speed optimisation
  • 30-day priority support
Start with Free Audit →
Enterprise
Complex Store Upgrade
Large catalogs, 15+ plugins, bespoke integrations, or ERP connections.
$1,299
Starting price — scoped after audit
  • Everything in Advanced
  • Unlimited plugin audit
  • ERP / API integration review
  • Database performance tuning
  • Staff walkthrough session
  • 90-day support contract
Request a Quote →
💡 Not sure which plan fits your store? Request a free audit — we'll assess your exact version, plugins, and complexity and confirm which package applies. All prices are fixed — you will never receive a surprise invoice.
Why Not DIY?

Professional Upgrade vs. DIY

A botched Zen Cart major-version upgrade can permanently destroy data, kill SEO rankings, and take your store offline for days.

Factor ZenCartUpgrade.com DIY / Generic Developer
Zero data loss guarantee✓ Always guaranteed✗ High risk
Zen Cart 2.x deep expertise✓ 15 years' experience✗ Learning on your dime
Custom plugin migration✓ Full audit included✗ Usually missed or broken
Live store stays online✓ Staging-first process✗ Often offline for days
Post-launch support✓ 14–90 days included✗ Extra charge or none
SEO & URL preservation✓ Full redirect mapping✗ Rankings often destroyed
Fixed, transparent price✓ No surprise invoices✗ Hourly billing, unpredictable
Client Reviews

What Store Owners Say

Feedback from store owners who have been through the upgrade process with us.

★★★★★

"We were on Zen Cart 1.3.9 for years, terrified to touch it. The team moved us to 2.x without losing a single order or customer record. Absolutely incredible work."

Client portrait
Linda J.
E-commerce Store Owner
★★★★★

"Our checkout was broken after a PHP host upgrade. ZenCartUpgrade.com diagnosed the issue and had us fully on 2.x quickly. Store performance improved significantly afterwards."

Client portrait
David P.
Online Retailer
★★★★★

"I tried two other agencies first — both broke my customisations. ZenCartUpgrade.com is the only team that truly understood our store's complexity. Worth every penny."

Client portrait
James M.
Store Owner
★★★★★

"The free audit alone was eye-opening — it flagged security issues we didn't know existed. Upgraded and hardened in record time. Total confidence before go-live."

Client portrait
Sarah R.
E-commerce Director
★★★★★

"The 30-day post-launch support is worth the price alone. The team caught edge-case bugs in our custom discount module that only appeared in production. Exceptional detail."

Client portrait
Mark K.
Technical Director
★★★★★

"We had 14 custom plugins and a heavily modified template. Nobody else wanted the job. ZenCartUpgrade.com migrated everything perfectly and delivered on time. Highly recommended."

Client portrait
Tanya C.
Operations Manager

Reviews reflect the experiences of our clients. Individual results may vary depending on store complexity. References available on request.

Common Questions

Frequently Asked Questions

How long does a Zen Cart upgrade take? +

Standard upgrades (1.5.x → 2.x) typically take 7–14 business days. Legacy 1.3.x upgrades generally take 14–21 days. You will receive a specific timeline in your scoped proposal before any work begins.

Will my store go offline during the upgrade? +

No. The entire upgrade is done on a staging server — your live store keeps running normally throughout. The final go-live switch takes 15–30 minutes and is scheduled during your lowest traffic window.

What happens to my custom plugins? +

Every plugin is audited in your free assessment. We check each one against Zen Cart 2.x compatibility. Where compatible versions exist we migrate them; where they don't, we rebuild or source an alternative — always with your approval before proceeding.

Can you upgrade from a very old version like 1.3.7? +

Yes, and we handle these regularly. We have successfully migrated stores from as far back as Zen Cart 1.2.x. Legacy upgrades require careful data mapping and custom code handling — our team has deep experience doing this safely.

Will my Google rankings be affected? +

We protect your SEO during every upgrade — preserving URL structure, implementing 301 redirects, migrating meta data, and submitting updated sitemaps. Most clients see improvements after upgrade due to better Core Web Vitals scores and improved security signals.

What if something breaks after launch? +

All packages include post-launch support (14–90 days depending on tier). Any issues directly related to the upgrade work are resolved at no extra charge. We do not consider a project complete until your store runs perfectly in production.

How do I get started? +

Simply request a free store audit using the button on this page. Tell us your store URL and current version, and we will assess your setup and send you a detailed upgrade plan and fixed-price quote within 24 business hours — with no obligation to proceed.

Get Started Today

Your Store Is At Risk Right Now.
Let's Secure It Today.

Get a free expert audit — we'll map your upgrade path, flag risks, and give you a fixed price. No obligation, 24-hour response.

Get My Free Store Audit →
Free, no obligation 24hr response Fixed price guarantee Zero data loss