Our Berlin Shopify development follows a methodology designed for German eCommerce success: (1) German eCommerce strategy (week 1): planning the store. Market analysis: understanding the competitive landscape for the specific product category in Germany. German eCommerce: identifying what German consumers expect from stores in this category — product information depth, pricing transparency, and trusted payment methods. Legal requirements: identifying all German legal obligations — Impressum, Widerrufsbelehrung, AGB, Datenschutzerklärung, Preisangabenverordnung, and Verpackungsgesetz (LUCID registration). Shopify plan: selecting Shopify Basic, Shopify, or Shopify Plus based on revenue, feature needs, and B2B requirements. German recommendation: Shopify Plus for stores above €500K annual revenue (access to Shopify Functions, B2B channel, and checkout customisation needed for German payment methods). (2) Theme design and development (weeks 1-3): building the German store experience. Theme selection: choosing between Shopify OS 2.0 themes (Dawn, Prestige, Impulse) or custom theme development — based on brand requirements and budget. German design: adapting the theme for German market expectations — clean, information-rich design (Germans preferring comprehensive information over minimalist presentation), trust signals (Trusted Shops badge, payment method logos, and security certificates displayed prominently), and German typography (supporting Umlaute — ä, ö, ü, ß — correctly in all font selections). Responsive design: mobile-first (65%+ of German eCommerce traffic from mobile) with desktop optimisation. German mobile: thumb-friendly navigation, fast-loading product images, and streamlined mobile checkout. Product pages: German product page requirements — detailed descriptions in grammatically correct German, complete specifications (Maße, Gewicht, Material), multiple product images from different angles, and customer reviews (Bewertungen). Legal pages: creating all required German legal pages — Impressum (with Handelsregisternummer, USt-IdNr., and responsible person), AGB (terms and conditions reviewed by German legal counsel), Widerrufsbelehrung (withdrawal notice per German template), and Datenschutzerklärung (GDPR privacy policy covering all data processing on the store). (3) German payment integration (weeks 2-3): enabling preferred payment methods. Payment setup: configuring the complete German payment stack. Shopify Payments: Visa, Mastercard, and American Express — basic card processing. PayPal: Germany's most-used online payment — PayPal Checkout integration. Klarna: Rechnungskauf (pay on invoice) and Ratenkauf (instalment payment) — essential for German conversion. SEPA: SEPA Direct Debit for German bank account payment. Sofortüberweisung/Giropay: online bank transfer for security-conscious German shoppers. Apple Pay / Google Pay: mobile wallet payments for fast checkout. German checkout: MwSt displayed as "inkl. MwSt." per German law, shipping costs clearly displayed before checkout, and Widerrufsrecht notice in the checkout flow. (4) Operations and integration (weeks 3-4): connecting business systems. Shipping: German shipping integration — DHL (Germany's dominant carrier), Hermes, DPD, and GLS. German shipping: DHL Geschäftskundenportal integration for automated label generation, tracking number sync to Shopify, and real-time shipping rate calculation. Fulfilment: warehouse and fulfilment integration — connecting Shopify to German 3PL providers or own warehouse systems. ERP: connecting to German ERP — Xentral, lexoffice, sevDesk, or SAP Business One. Integration: order sync, inventory sync, and financial data flow. Accounting: German accounting integration — DATEV export for Steuerberater (tax advisor). German bookkeeping: automated DATEV-compatible export of transactions for proper German double-entry bookkeeping. Email marketing: Klaviyo or Mailchimp — German-language email flows (Willkommens-Serie, Warenkorbabbrecher, Nach-Kauf). (5) Launch and optimisation (weeks 4-5): going live in Germany. Pre-launch: comprehensive testing — every product page, every payment method, every legal page. German testing: native German speakers reviewing all content for grammatical correctness, legal completeness, and cultural appropriateness. Payment testing: real transactions through every payment method — Klarna, PayPal, SEPA, and cards. SEO: German SEO setup — meta titles and descriptions in German, structured data for rich snippets, and Google Merchant Center for Shopping. Launch: DNS configuration, SSL verification, and monitoring. Post-launch: conversion rate optimisation — A/B testing checkout flows, product page layouts, and payment method presentation. German optimisation: monitoring which payment methods German customers prefer and adjusting prominence accordingly.