Contact support
Email matthew@marvellogroup.co.uk. Include your myshopify.com domain, affected page and expected result. Never send passwords, one-time codes, access tokens or customer payment data.
Before contacting us
Check the app embed is enabled on the intended theme, preview the relevant device and country, confirm dates and time zone, and compare shipping or discount messages with Shopify checkout.
Security and privacy
Mark urgent security reports clearly. For a privacy request, identify the merchant store and request type without unnecessary personal information.