Tidal Shipping Rates
Custom shipping rates at your Shopify checkout. Model carriers, postcode zones and surcharges, weight tiers and delivery sets — and return your own carrier and service codes downstream.
Portside Commerce Ltd builds tools for Shopify merchants.
Our products
Hybrid Wholesale
B2B wholesale layered onto your existing Shopify store. Tiered pricing for tagged customers, application forms, segment-based discounts, and an admin order form — no separate wholesale store needed.
Delivery Messaging
Free plan availableLive, product-aware delivery information for Shopify storefronts. Show customers accurate delivery times, free-delivery progress, and order ETAs.
Redirects Easily
Free plan availableAutomatic 301 redirects when you archive or delete Shopify products. Old product URLs point to your chosen destination — a fixed page, or the product’s own collection — with bulk archive-and-redirect and delete-and-redirect actions built into your Products list.