BigCommerce Development Agency

Scalable E-Commerce Built for Performance

We design and build high-converting, lightning-fast BigCommerce storefronts using custom Stencil themes, headless Next.js architectures, and deep multi-channel marketplace integrations.

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Direct Desk: dev@trustoryx.digital

85+

Avg. PageSpeed Score

35%

Avg. Sales Growth

30+

Stores Delivered

SEO Drops on Migration

Growth Obstacles

Problems This Solves

Your current BigCommerce theme is slow and difficult to customize, dragging down your PageSpeed scores and mobile conversion rate.

You have complex product options, custom price tiers, or B2B customer groups that off-the-shelf templates cannot support.

You want to implement a headless commerce setup using Next.js but lack the API expertise to connect the systems.

Managing your product data and inventory across Amazon, eBay, Walmart, and your store is highly manual and prone to errors.

Methodology

Our Proven Process

Catalog & Requirements Mapping

We map out your product option sets, customer group discount rules, B2B workflows, and CRM database integrations in Figma.

Bespoke Stencil Development

We build your store using BigCommerce's Stencil framework, avoiding heavy scripts and ensuring clean CSS/JS performance.

Multi-Channel & ERP Connection

We link your store with Amazon, eBay, and Walmart, and configure real-time stock syncs with systems like NetSuite or SAP.

Storefront API Optimization

We leverage BigCommerce's GraphQL Storefront API to set up custom product lists, instant filters, and optimized checkout pages.

Data Migration & DNS Cutover

We migrate your product catalog and user database safely, map 301 redirects, and execute a zero-downtime launch.

Catalog & Requirements Mapping

We map out your product option sets, customer group discount rules, B2B workflows, and CRM database integrations in Figma.

Bespoke Stencil Development

We build your store using BigCommerce's Stencil framework, avoiding heavy scripts and ensuring clean CSS/JS performance.

Multi-Channel & ERP Connection

We link your store with Amazon, eBay, and Walmart, and configure real-time stock syncs with systems like NetSuite or SAP.

Storefront API Optimization

We leverage BigCommerce's GraphQL Storefront API to set up custom product lists, instant filters, and optimized checkout pages.

Data Migration & DNS Cutover

We migrate your product catalog and user database safely, map 301 redirects, and execute a zero-downtime launch.

Scope of Work

What's Included

Custom BigCommerce Stencil theme code (GitHub repository)

Headless Next.js or React frontend source files

Custom API integration middleware and sync scripts

Catalog configurations (option sets, custom fields, rules)

Multi-channel feed setup (Amazon, Walmart, eBay)

301 redirect spreadsheets and SEO metadata checklists

Admin editor guides and video training walkthroughs

60-day post-launch technical support and bug warranty

Growth Targets

Expected Results

Mobile PageSpeed score of 85+ using custom Stencil or Next.js layout

Up to 30% reduction in cart abandonment via optimized one-page checkouts

Automatic stock syncing across 4+ sales channels in under 5 minutes

Sub-1-second page search responses using high-speed catalog APIs

Zero drop in organic keyword rankings during store platform migration

Tech Stack

Technologies We Master

BigCommerce

Stencil Framework

Handlebars

Sass

Next.js

GraphQL

Stripe

AvaTax

NetSuite

Vercel

Exhaustive Solutions

Comprehensive Capabilities

We don't just scratch the surface. Here is a detailed breakdown of everything we can engineer, optimize, and execute for your business.

Bespoke Stencil Development

Creating responsive, fast BigCommerce storefronts using Handlebars templates and custom Sass structures.

Headless E-commerce Builds

Developing modern Next.js frontends connected to BigCommerce GraphQL APIs for extreme performance.

Multi-Channel Catalog Sync

Setting up automated feeds to push catalog data and sync stock levels with Amazon, Walmart, and social channels.

ERP & NetSuite Integrations

Connecting custom order, invoice, customer group, and product files between BigCommerce and enterprise ERPs.

B2B Customer Groups & Rules

Configuring wholesale discounts, tax exemptions, company-level accounts, and custom pricelists.

Store Migration & Redirects

Migrating large catalogs and historical order data from Magento/Shopify with strict 301 URL redirect mappings.

Specialized Focus

Specialized Services

Explore our specialized engineering teams and tailored solutions for this domain.

E-commerce Development

Custom storefronts optimized for checkout and speed.

Shopify Development

Custom Shopify stores engineered for revenue.

Speed Optimization

Core Web Vitals tuning for perfect Lighthouse scores.

Conversion Rate Optimization (CRO)

Systematic A/B testing and user journey funnel analysis.

Transparent Pricing

Investment Plans

Transparent pricing with no hidden fees. Every plan includes dedicated support and monthly reporting.

Standard Stencil

$3,500USD · USD fallback/one-time

A clean, fast BigCommerce store built on a customized Stencil layout with essential integrations.

Stencil theme customization & setup

Up to 500 product catalog mapping

Stripe, PayPal, or Braintree configuration

Mobile-responsive layout

Basic SEO metadata configuration

Standard checkout layout setup

Staff training walkthrough session

30-day post-launch support

Launch My Store

Custom Commerce

$8,000USD · USD fallback/one-time

A fully custom Stencil theme with advanced options, price lists, B2B rules, and multi-channel configurations.

Bespoke Stencil theme from scratch

Complex product option sets & rules

Custom wholesale pricing & B2B groups

Multi-channel inventory integration

Extended product attribute configurations

Advanced schema markup configurations

Real-time tax (AvaTax) & shipping setup

60-day post-launch support

Build Custom Store

Next.js Headless

$16,000USD · USD fallback+/one-time

Enterprise-grade headless BigCommerce using Next.js React for ultimate performance and design freedom.

Headless Next.js e-commerce frontend

BigCommerce GraphQL API backend

Sub-second page loading speeds

Custom CMS integration (Sanity/Contentful)

Multi-currency and global localization

Globally deployed on Vercel Edge

Automated CI/CD deployment setups

90-day post-launch support

Go Headless

All plans are month-to-month with no long-term contracts. Custom enterprise plans available.Contact us for a tailored proposal.

Why Trustoryx

Why Choose Us

No Long-Term Contracts

Month-to-month engagements. We earn your business every single month.

Dedicated Team

A named strategist, not a rotating cast of juniors. Consistent point of contact.

Revenue-Focused

We report on revenue impact, not vanity metrics. Every dollar is attributed.

Rapid Execution

Strategy in week 1. Execution by week 2. Results tracked from day one.

Support

Frequently Asked Questions

BigCommerce features built-in multi-currency, native B2B customer groups, and highly customizable product options out-of-the-box. It also doesn't charge additional transaction fees on third-party payment gateways, unlike Shopify.

We build custom Stencil themes with optimized images, clean CSS/JS code, and zero render-blocking scripts. For ultimate performance, we build headless stores using Next.js and Vercel.

Yes. We utilize BigCommerce's robust API to establish real-time synchronization between your product catalog, orders, and customer databases with ERP platforms like NetSuite, SAP, or Microsoft Dynamics.

Headless BigCommerce decouples the backend e-commerce engines (inventory, orders, checkouts) from the frontend display. Your customers experience a fast React Next.js frontend, while you manage orders inside the BigCommerce admin.

Ready to Get Started?

Start with a free audit. We'll analyze your current performance and show you exactly where the growth opportunities are.

Free Audit Book a Call

Or email our dedicated desk: dev@trustoryx.digital