Full UK payment stack: (1) Shop Pay and Shopify Payments with native GBP, (2) Stripe UK with Apple Pay / Google Pay, (3) PayPal Express, (4) Klarna and Clearpay for buy-now-pay-later (massive in UK D2C — lifts AOV 30-40 percent), (5) Cards via Shopify Payments. Subscription brands: Recharge / Skio with Stripe SEPA + Bacs Direct Debit via GoCardless. B2B: Net terms with custom invoicing and VAT-compliant invoices. PSD2 Strong Customer Authentication (3D Secure 2) baked into every checkout.

VAT: Auto-calculated by HMRC bracket (20% standard, 5% reduced, 0% zero-rated). HSN code mapping for products with split rates (children's clothing, books). Making Tax Digital (MTD) compliant via Xero / QuickBooks / Sage integration — VAT returns submitted directly. EORI number setup for post-Brexit cross-border. GDPR: Cookie consent banner (essential only by default), Privacy Policy, Data Processing Agreements, Subject Access Request workflow, EU data residency option via Shopify EU servers, right-to-be-forgotten workflow. WCAG 2.1 AA accessibility on every build — required for public sector UK suppliers and best practice for D2C.

Full UK carrier stack: Royal Mail Tracked 24/48, Evri (Hermes), DPD UK, Parcelforce, DHL Express UK, Yodel, FedEx UK. 3PL integrations: ShipBob UK, Huboo, Whistl, James and James, Bezos, Selazar. Native Shopify Shipping rates and labels. Real-time rate quoting at checkout, free shipping thresholds, named-day delivery (DPD predict), Saturday delivery, Royal Mail Sunday tracked. Pre-paid returns labels via Royal Mail Tracked Returns. Branded tracking via Wonderment / AfterShip / Sorted. Cross-border into EU: IOSS / OSS registration, DDP via Zonos for tax-paid at checkout. Pair with Shopify Markets for EU + US expansion.

IST runs 5.5 hours ahead of GMT (4.5 hours ahead of BST). Our team is online and responsive in Slack / WhatsApp / Zoom during 9am-2pm GMT — you get same-day responsiveness on questions, design reviews, and deployments. After 2pm GMT, work continues async — deployments overnight India-side, ready for you the next morning. Weekly sync calls scheduled in your GMT/BST window. For BFCM and major launches, we shift coverage to UK peak hours (evening + Sunday) for on-call support.