Services
OpenCart Development Agency
At Smart Web Agency, we develop, optimise, and maintain OpenCart stores tailored to real business requirements. From custom functionality and extension development to upgrades, migrations, and performance optimisation, we help businesses build reliable OpenCart platforms that are scalable, secure, and easier to manage.
Whether you need a new OpenCart store, support for an existing website, or assistance resolving complex technical issues, our developers work closely with your business to deliver stable, long-term solutions.
Custom OpenCart Development
Extension Development and Compatibility Fixes
Performance and Security Optimisation
Why Businesses Choose OpenCart
OpenCart remains a flexible and cost-effective eCommerce platform for businesses that require customisation without the overhead associated with enterprise-level systems.
A well-developed OpenCart store can help businesses:
OpenCart Development Services
Migration Services
Migration from WooCommerce, Magento, Shopify, PrestaShop, and other eCommerce platforms while preserving products, customers, and SEO structure.
Upgrades & Version Updates
Safe OpenCart upgrades with careful handling of themes, extensions, and existing functionality to minimise downtime and compatibility issues.
Extension Development and Customisation
Development of custom OpenCart modules and modification of existing extensions to extend functionality and improve business workflows.
API Integrations
Integrate OpenCart with third-party systems such as CRMs, ERPs, payment gateways, and shipping providers.
SEO Optimisation
Technical SEO improvements including metadata optimisation, structured data, clean URLs, indexing improvements, and Core Web Vitals optimisation.
Speed & Performance Optimisation
Improve loading speed, server response times, caching, database performance, and overall frontend optimisation.
Extension Debugging and Compatibility Fixes
We troubleshoot and resolve issues caused by third-party extensions, including compatibility conflicts, checkout issues, admin errors, and performance problems.
Hosting Setup
We configure and manage hosting for OpenCart store.
Security Audit & Hardening
We troubleshoot and resolve issues caused by third-party extensions, including compatibility conflicts, checkout issues, admin errors, and performance problems.
Training & Consultancy
Empower your team with tailored training and best practice advice for managing OpenCart.
Platform Improvements & Upgrade
As part of our ongoing relationship with a client using OpenCart for last 10 years, we recently completed a key upgrade of their OpenCart platform, moving from version 3.0.2.0 to 3.0.4.1. The aim was to future-proof the system without disrupting the look, feel, or functionality of their existing store.
This upgrade not only makes the platform more secure and stable, but it also sets the stage for future enhancements and a smoother customer experience.
Security & VAPT
- Continuous vulnerability monitoring
- Plugin and theme security hardening
- Firewall rules and malware prevention
- Regular VAPT-style reviews
- Zero-trust access policies for WordPress and server access
Server & Infrastructure Performance
- Server response time optimisation
- Hosting configuration and tuning
- Database performance optimisation
- Caching and CDN management
- Uptime and failure prevention
WordPress Core & Plugin Governance
- Proactive plugin updates
- Conflict testing before production release
- PHP and WordPress core version management
- Rollback and recovery processes
A Typical OpenCart Development Process
OpenCart Upgrade for a client
As part of our ongoing relationship with a client using OpenCart for last 10 years, we recently completed a key upgrade of their OpenCart platform, moving from version 3.0.2.0 to 3.0.4.1. The aim was to future-proof the system without disrupting the look, feel, or functionality of their existing store.
Here’s what we focused on:
- Safe Core Upgrade
We upgraded the OpenCart core to the latest 3.0.4.1 version, carefully retaining all custom features and existing extensions. - Custom Theme Migration
The existing custom theme was carried over and adjusted where needed, so the visual experience stayed consistent for customers. - Extension Testing & Updates
We tested all essential modules including shipping, payment gateways, and admin tools and updated anything that wasn’t compatible with the new version. - Full Backup & Rollback Plan
Before deployment, we created a complete backup and set up a rollback plan to make sure everything could be reversed quickly if needed. - Stronger Security & Performance
With the upgrade, the site now benefits from improved security, better performance, and compatibility with newer server and PHP versions.
This upgrade not only makes the platform more secure and stable, but it also sets the stage for future enhancements and a smoother customer experience.
About us
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Frequently Asked Questions (FAQs)
We’ve developed and optimised dozens of OpenCart stores for businesses in Kent, London, and across the UK.
Yes. We offer migration from WooCommerce, Magento, Shopify, and other platforms with full data integrity.
Absolutely. All our OpenCart websites are fully responsive and tested across devices and browsers.
We integrate PayPal, Stripe, Klarna, SagePay, and many others.
Yes. Our plans include updates, bug fixes, performance optimisation, and on-call developer support.
We help our clients succeed by creating brand identities, digital experiences, and print materials that communicate clearly, achieve marketing goals, and look fantastic.
Whether you're just getting started or migrating from another CRM, we provide complete HubSpot CRM setup in Maidstone and beyond. We handle:
- User and team setup
- Sales pipeline configuration
- Contact property customisation
- Data import and cleansing
Our HubSpot onboarding in Canterbury includes technical setup, team training, and documentation — everything you need for long-term success.
Looking for HubSpot API integration in Tunbridge Wells or Kent? We offer custom backend development to connect HubSpot to third-party platforms or in-house systems. This includes:
- Webhooks and automation triggers
- Syncing data across platforms
- Building custom apps or dashboards
Drive conversions with smart workflows, behavioural triggers, and email automation — all tailored to your local audience in London and Kent.
As a trusted HubSpot partner agency in Kent, we also provide white-label services and partner collaboration for marketing firms and software developers seeking expert HubSpot solutions.
Looking for Quote?
Smart Web Agency
Kent Office: The Panorama, Park St,
Ashford TN24 8DF
(+44) 1233 2399 09
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