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Your Full-Service Digital Agency & AI Strategy Partner
Real strategists. Real AI tools. Real growth. — 1Digital® since 2012
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Shift4Shop Web Design & Development
Custom themes, conversion-oriented UX, and senior support for the platform formerly known as 3dcart. Most agencies skip Shift4Shop. We don't — we've been shipping work on it through every rename since 2012.
Trusted by 400+ Brands · Certified Partners
Of results, scale, and quality at the enterprise level.
Specialists across SEO, AI SEO, PPC, design, dev, and strategy.
US core team for clear communication; vetted global specialists for international client work.
Rated 4.9/5 across 941+ verified client reviews.
What you get
Who it's for
What we deliver
Bespoke Shift4Shop themes — HTML, CSS, JS, and the platform's templating layer — built to your brand and your conversion targets, not a stock template.
Product detail, cart, and checkout flows tuned for conversion: trust signals, upsells, abandoned-cart hooks, and clean mobile UX.
Wire up Shift4Shop core apps and third-party marketplace add-ons — reviews, email, shipping rules, marketplace sync — without bloating the stack.
When the app catalog falls short, we build it. Custom modules on the Shift4Shop API for the workflows your business actually runs on.
Customer groups, tiered pricing, account-level catalogs, quote requests, and tax exemptions — configured for real B2B selling, not a checkbox demo.
Untangle URL handling, theme cruft, and admin oddities carried over from the 3dcart era. Modernize without a full replatform.
Configure Shift4 Payments to qualify for the End-to-End free plan, with PCI hygiene, fraud filters, and chargeback workflows tuned for your category.
A structured review of your existing Shift4Shop store — UX, CWV, SEO structure, brand consistency — delivered with a prioritized sprint plan.
Honest scoping for moving onto Shift4Shop from another platform — or onto BigCommerce / Shopify / WooCommerce when Shift4Shop isn't the right fit.
Honest positioning
We handle platform migrations to and from Shift4Shop — see our migration practice.
Request a proposal
Share your store URL, plan, and target outcomes. A senior strategist replies within one business day with a pricing band and a draft scope.
It can be — Shift4Shop's End-to-End plan is free when you process payments through Shift4 Payments and meet the monthly transaction minimum. If you'd rather use a different processor, the platform shifts to paid tiers. We help you pick the right plan honestly and won't push you onto something that hurts your unit economics.
Shift4Shop is the 2020 rebrand of 3dcart after Shift4 Payments acquired the platform. The codebase, admin, and theme system carry forward, which means some legacy quirks remain — URL handling, older theme conventions, and a few admin patterns that haven't been modernized. We've worked the platform through every rename and know where the trapdoors are.
Custom theme development is core to what we do here. We build bespoke Shift4Shop themes with HTML/CSS/JavaScript and the platform's templating language, integrate apps from the marketplace, and write custom modules where the app catalog falls short. You're not locked into stock templates.
Yes — customer groups, tiered pricing, quote requests, account-based catalogs, and tax exemptions are all native. It's a credible B2B platform for SMBs and mid-market merchants who don't need full ERP-grade complexity. For larger B2B operations we'd usually recommend BigCommerce B2B Edition or a custom Magento build.
Shift4Shop is best for SMB-to-lower-mid-market merchants who want a hosted platform and are comfortable with Shift4 Payments. If you have a complex international tax footprint, need headless commerce, run 100K+ SKUs, or require deep ERP/PIM integration, we'd usually steer you toward BigCommerce, Shopify Plus, or WooCommerce instead. We tell you that up front.
Most custom Shift4Shop builds ship in 6–12 weeks. Engagements start at $185/hour with fixed-scope and retainer options. We scope honestly so the price reflects the work — not the platform's reputation.
