# Simon Mosse > Freelance Shopify expert and consultant based in Bristol, UK. 15+ years of experience. Former founder of Thought & Mortar, a Shopify specialist agency. Available for new projects. Simon Mosse is a Bristol-based Shopify specialist and UX designer with over 15 years of experience building and leading complex e-commerce projects for established brands. He founded and ran Thought & Mortar, a Shopify agency, for 10 years before moving to independent consultancy in 2026. He combines strong technical depth - platform migrations, Shopify Plus, third-party integrations - with genuine creative ability, including custom illustration and iconography. ## Services - Shopify and Shopify Plus builds - new stores, theme development, and platform strategy - Platform migrations - from Magento, WooCommerce, ZenCart, and custom CMS platforms to Shopify - UX design - wireframing, journey mapping, information architecture, conversion optimisation - Third-party integrations - Klaviyo, Xero, ShipTheory, SparkLayer B2B, Reviews.io, GA4, Meta Pixel - B2B and wholesale configuration - SparkLayer, Shopify B2B - Multilanguage and multi-storefront setup - Shopify Markets - Store audits and e-commerce strategy - Custom illustration and iconography - brand-level visual identity work - Monthly retainer - ongoing development, improvements, and strategic Shopify advice ## Engagement models - **Project**: Discovery phase → UX & design → development → QA → launch. Scope agreed upfront, nothing built until signed off. - **Retainer**: A set number of days per month after project launch for ongoing work and strategy. No long-term lock-in. - **Storetasker**: Available for smaller Shopify tasks via Storetasker (https://www.storetasker.com/experts/simon-mosse). ## Selected clients - David Austin Roses - Shopify Plus build, custom illustration, bespoke Rose Finder app - Tanners Wine Merchants - Shopify Plus migration from legacy platform, custom icon design, information architecture overhaul - Eve Sleep - Shopify Plus - Hilton Herbs - Magento to Shopify Plus migration, multilanguage, multi-storefront (Shopify Markets) - The Fibre Co. - WooCommerce migration, B2B wholesale portal (SparkLayer) - Lillicoco Antiques - Shopify build - Exmoor Glass - new Shopify store for handmade glass jewellery and sculptures (case study coming soon) ## Skills and expertise Shopify, Shopify Plus, Shopify Markets, Shopify B2B, SparkLayer, theme development, Liquid, platform migration, UX design, wireframing, information architecture, conversion optimisation, Klaviyo, Xero, ShipTheory, Reviews.io, GA4, Meta Pixel, Royal Mail integration, custom illustration, iconography, WCAG accessibility, e-commerce strategy ## Contact - Email: simon@themosse.com - Phone: +44 (0) 7771 964498 - Location: Bristol, UK - Website: https://simonmosse.com - Services: https://simonmosse.com/services/ - Process: https://simonmosse.com/process/ - Shopify Partner Directory: https://www.shopify.com/partners/directory/partner/themosse - Storetasker: https://www.storetasker.com/experts/simon-mosse - LinkedIn: https://www.linkedin.com/in/simon-mosse-72930b8/ ## Availability Available for new projects from June 2026.