OpenCart Development Services

OpenCart is the eCommerce platform that keeps things simple. For merchants who want an easy-to-manage online store without the overhead of enterprise platforms, OpenCart delivers. We've been building OpenCart stores and extensions since 2014 — over a decade of modules, themes, and migrations.

Discuss Your Project
100+
OpenCart Stores Built
200+
Extensions Developed
95%
Client Satisfaction
2014
Working with OpenCart Since

Trusted by Leading Brands

What Our Clients Say

Working with Grace Seah-Tan on the Okuru Gift Card App was inspiring. Coming from a non-tech background, she turned her deep-rooted passion for gifting into a scalable digital solution. Together we built features like app-to-app gifting protocol, instant gift delivery, personalised messages, and referral rewards. It's proof that a clear...

★ ★ ★ ★ ★
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Grace Seah-Tan

Founder, Okuru Gift Card App

Velocity Software Solutions has been supporting ASDMA on development of the Flood Reporting and Information Management System (FRIMS) portal as well as mobile app. The team helped automate the system, thereby saving hundreds of hours during daily flood damage reporting and significantly improved the flood reporting and information management processes...

★ ★ ★ ★ ★
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Alakananda Medhi

Deputy Secretary to Govt of Assam, Assam State Disaster Management Authority, Govt of Assam

I highly recommend Velocity Software Solutions for their outstanding work on the Child Health Info web and app-based system for the HBNC+ project from 2014 to 2017. The team developed a complex form with numerous fields and validations, as well as real-time dashboards and reports. They were always willing to...

★ ★ ★ ★ ★
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Dr. Rajat Khanna, Ph.D.

MER Advisor, Norway India Partnership Initiative

It has been a great venture to have your support and cooperation in resolving technical issues at very short notice. Not only have you meticulously provided detailed training to master trainers, NGO professionals and nodal officers for the TALAASH application, but the support and resolution of technical queries at district...

★ ★ ★ ★ ★
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Qysar Afzal Sofi

State Consultant-OoSC, JKASW (UNICEF Partner Organization)

I am writing to recommend Velocity Software Solutions for their exceptional work on the CKD website design, development, hosting, and maintenance. The website is not only aesthetically pleasing but also user-friendly and easy to navigate. Their technical skills and attention to detail have resulted in a website that truly reflects...

★ ★ ★ ★ ★
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Seema Gupta

Advisor, Centre for Knowledge and Development, IPE Global

I've been in business for 4 years and for all 4 years I've worked with Ashish, Nitin, and Manish of Velocity. The three of them have helped me with any issue that arose in a kind, speedy, and helpful manner. Any issues from web development, to API Integration with Walmart...

★ ★ ★ ★ ★
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Emma Bassiri

Founder & CEO, Meowingtons, LLC

Our OpenCart Services

Everything you need to get your OpenCart store running and growing.

Store Development

New OpenCart stores with custom themes, product setup, and payment/shipping configuration. Ready to sell from day one.

Extension Development

Custom OpenCart extensions for payments, shipping, marketing, and business-specific features. OCMOD and event-based modifications.

Theme Customization

Custom OpenCart themes or modifications to existing ones. Mobile-responsive, fast-loading, and conversion-focused designs.

Version Upgrades

Migrating from OpenCart 2.x/3.x to the latest version. Data migration, extension compatibility, and theme updates.

Marketplace Integration

Connecting OpenCart to Amazon, eBay, Google Shopping, and social selling channels. Inventory and order sync across platforms.

Support & Maintenance

Ongoing support, security updates, performance optimization, and feature additions for your OpenCart store.

OpenCart Expertise

What we bring to OpenCart projects.

Extension Marketplace

We've published 200+ extensions on the OpenCart marketplace covering payments, shipping, analytics, and custom features. We know the platform inside out.

OCMOD Events Extension Architecture Marketplace

Multi-Channel Commerce

Connecting OpenCart with marketplaces, social channels, and POS systems for unified commerce. One inventory, multiple sales channels.

Amazon eBay Google Shopping Multi-Channel

Performance & SEO

Optimizing OpenCart for speed and search engine visibility. Proper caching, image optimization, structured data, and SEO-friendly URLs.

Caching SEO Structured Data Page Speed

Why Choose Us for OpenCart

200+ Extensions Built

Security Patches

Performance Tuning

Clean OCMOD Code

Dedicated Team

Fast Delivery

When OpenCart Is the Right Choice

OpenCart doesn't try to be everything. It's a focused eCommerce development platform that's easy to set up, easy to manage, and affordable to run. That simplicity is its strength.

The OpenCart sweet spot

Small to mid-size stores with straightforward product catalogs. If you have a few hundred to a few thousand products, don't need complex B2B features, and want an admin panel your team can manage without training — OpenCart is an excellent choice.

OpenCart's admin interface is one of the most intuitive in e-commerce. Your team can manage products, orders, and promotions without calling a developer.

Why merchants choose OpenCart

  • Low cost — Free software, modest hosting needs, affordable extensions
  • Easy management — Intuitive admin panel that non-technical staff can use
  • Extension marketplace — Thousands of extensions for any feature you need
  • Lightweight — Runs well on budget hosting without heavy infrastructure

Electronics Retailer — Multi-Vendor Setup

An electronics marketplace with 50+ vendors selling on a single OpenCart store. Custom multi-vendor extension with vendor dashboards, commission management, and automated payouts. Processing 500+ orders daily.

Electronics Retailer — Multi-Vendor Setup

Specialty Food Store — International Shipping

A gourmet food store shipping to 30+ countries. We configured OpenCart with zone-based shipping rules, multi-currency pricing, and compliance with food shipping regulations. Custom packaging calculator for weight-based products.

Specialty Food Store — International Shipping

Auto Parts — Complex Fitment Filters

An auto parts store with make/model/year filtering for 15K+ products. We built a custom vehicle fitment system integrated with OpenCart's catalog. Customers find the right part in 3 clicks instead of scrolling through pages.

Auto Parts — Complex Fitment Filters

Our Latest Case Studies

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UNRWA Refugee Registration Information System (RRIS) Modernization

The Challenge UNRWA maintains the Refugee Registration Information System (RRIS), one of its core enterprise systems, holding active records of 5.6 million Palestine refugees and 0.7 million other service-eligible persons....
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PQAI Patent Search: Building Claims-Based Embeddings for 10M+ Patents

 PATH – Integrated Health Dashboard for Maharashtra

PATH – Integrated Health Dashboard for Maharashtra

 Tamil Nadu Integrated Housing Information System (TNIHIS) Dashboard

Tamil Nadu Integrated Housing Information System (TNIHIS) Dashboard

UNICEF Juvenile Justice Monitoring System

The Challenge The Juvenile Justice (Care and Protection of Children) Act, 2015 is a landmark legislation in India aimed at rehabilitating children in conflict with the law and protecting children...

OpenCart Development FAQs

Yes. OpenCart 4.x is actively developed with regular updates. The platform has a dedicated development team and an active community contributing extensions and themes.
OpenCart is a dedicated e-commerce platform — lighter and more focused. WooCommerce is WordPress with e-commerce added. Choose OpenCart if you want a pure e-commerce solution. Choose WooCommerce if you need strong content/blogging alongside shopping.
With proper hosting, OpenCart handles 10K+ products well. For very large catalogs (50K+), you'll need server optimization and possibly custom indexing. We configure the hosting stack for your specific catalog size.
With custom extensions, yes. We build B2B features like customer-specific pricing, bulk ordering, quote requests, and company accounts. For complex B2B needs, Magento might be a better fit.
Modern OpenCart themes are fully responsive. We also integrate with mobile commerce solutions and PWA frameworks for app-like shopping experiences on mobile devices.
Yes. We migrate from Magento, WooCommerce, Shopify, and other platforms. Products, categories, customers, and orders are transferred with proper URL redirects to maintain SEO.
OpenCart development services cover everything required to launch and grow a store on the OpenCart platform: theme design and responsive layout, custom module/extension development, third-party integrations (payment gateways, shipping providers, ERP/CRM systems), data migration from other platforms, performance tuning for large catalogs, SEO optimization, multi-store and multi-language setup, and ongoing maintenance. A full OpenCart development engagement usually starts with a discovery phase, moves through staged development with weekly demos, and ends with go-live plus a 30-60 day stabilization window. Pricing in 2026 ranges from $5K for a single-storefront launch on OpenCart 4 to $50K+ for multi-vendor marketplaces or B2B catalogs.
A custom OpenCart development service builds functionality specifically for your business rules — bespoke checkout flows, customer-segment pricing, custom shipping rules, integrations with the exact ERP/POS systems you use, and UI tweaks aligned to your brand. Free extensions are a useful starting point but they: (a) cover the average use case, not yours; (b) bundle features you do not need (which slows the storefront); (c) frequently lag behind OpenCart core releases. Custom development gives you code you own, optimized for your catalog size, and that can be upgraded on your schedule. Many of our clients in the USA and Europe blend the two — free or commercial extensions for commodity functions (search, reviews), custom code for what makes their store competitive.
Yes — OpenCart 4 handles catalogs of 50,000+ products in production, but it requires deliberate hosting and indexing work. The standard configuration: PHP-FPM with OPcache tuned for the catalog size, Redis or Memcached for session/cart caching, MySQL/MariaDB with InnoDB buffer pool sized to fit the product table indexes (typically 8-16 GB RAM dedicated), Elasticsearch or MeiliSearch for product search instead of the built-in SQL LIKE queries, and a CDN for product images. We benchmark every large-catalog OpenCart build against three loads: 50K product import, 1K concurrent shoppers, and full-text search across 200K+ attribute values. Time-to-first-byte under 400 ms is achievable. We also tune the OpenCart admin — bulk product imports of 10K rows in a single batch are common with the right database tuning.
OpenCart does not ship with B2B features, but they are well-supported via custom extensions. The typical B2B feature set we build: company accounts (one company with multiple buyer users, each with role-based permissions), customer-group-specific pricing and discount tiers, request-for-quote workflows (buyer requests a quote → sales rep responds → buyer accepts → order placed), tax-exempt customer handling, B2B-only catalogs, MOQ (minimum order quantity) enforcement, and net-30/net-60 payment terms instead of upfront payment. For a B2B marketplace (multi-vendor B2B), we extend OpenCart with vendor onboarding, commission management, and per-vendor catalogs. Implementation timeline: 8-14 weeks for a full B2B feature set, depending on integration depth with your existing ERP.
OpenCart customer service from a development agency covers bug fixes, security patching, extension compatibility checks after OpenCart core releases, performance monitoring, content updates (homepage banners, category trees, product imports), and feature additions on a roadmap cadence. Typical support models: (1) retainer with a fixed hours bucket per month and 24/7 incident response for production outages, (2) ticket-based time-and-materials for stores with infrequent change requests, (3) full managed-store service where we own hosting, monitoring, and all changes. Pick the model that matches your in-house capacity — if you have no PHP developers internally, retainer is safer than ad-hoc tickets because you avoid the "store down on a Sunday" scenario. Response time SLAs commonly run 30 minutes for outages, 4 hours for severe bugs, 1-2 business days for new feature requests.
Yes — OpenCart is flexible enough to power vertical use cases beyond standard ecommerce. Common verticals we have built on OpenCart: LMS (learning management) where "products" are courses with enrollment workflows, video lessons, quizzes, and certificates; digital downloads (software, ebooks, audio) with license-key delivery; subscription boxes with recurring billing; ticket sales with seat selection; rental commerce (equipment rental with date-range availability). Verticals like LMS need extensions for course progress tracking, gradebooks, drip-content schedules, and quiz engines — these are not in OpenCart core. We have a library of vertical modules built over many client engagements and can usually deliver a vertical OpenCart application in 10-16 weeks rather than building from scratch.

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