Your marine chandlery needs Shopify to know a part fits a hull, and the theme just shows a photo
Custom Shopify development for a Portsmouth marine retailer or chandlery runs £20,000 to £70,000 over 2 to 5 months. A theme sells simple products fine. It falls apart the moment a buyer needs to know whether a part fits their specific vessel, whether it carries the right marine certification, and what their trade-account price is, which is exactly how marine and ferry-supply selling works.
You sell marine parts, ship fittings, and chandlery, and your customers don't buy by browsing; they buy by fitment. A skipper needs the right anode for a specific hull, a yard needs a certified shackle to a specific standard, and a ferry operator needs trade pricing on a bulk order. A stock Shopify theme shows a photo and a price and leaves the buyer guessing whether it's the right part.
Themes and template stores also can't handle vessel-based fitment lookups, per-customer trade pricing tiers, or certification documents attached to a product. So your phone rings off the hook with 'will this fit my boat' calls that the store should have answered, and your trade customers can't self-serve their negotiated prices.
Why the usual tools struggle in Portsmouth
- Buyers need fitment-by-vessel lookups that a stock theme can't provide, so they call instead of buying
- Marine certification documents and standards belong on the product page but themes have nowhere to put them
- Trade and ferry-supply customers need per-account pricing tiers Shopify themes don't support cleanly
- Bulk and contract orders for yards and operators don't fit a consumer checkout
What a custom shopify build changes
Custom Shopify development adds the logic your selling actually needs: a fitment lookup that confirms a part suits a specific vessel, certification documents attached to each product, trade-account pricing so yards and operators see their negotiated rates, and bulk-order handling for contract supply. The store answers the 'will it fit' question itself, so the phone stops ringing and trade customers self-serve.
- Customers buy by fitment and your store can't answer 'will it fit my vessel'
- Trade and ferry-supply customers need self-serve negotiated pricing
- Certification matters to buyers and has nowhere to live on the page
- You sell simple commodity products a good theme handles well
- You have no trade-pricing tiers or fitment complexity
- Budget is tight and a polished off-the-shelf theme covers your catalogue
- Vessel-based fitment lookups confirm the right part, cutting 'will it fit' calls
- Certification documents live on the product page where marine buyers expect them
- Per-account trade pricing lets yards and ferry operators self-serve negotiated rates
- Bulk and contract order flows fit how trade customers actually buy
- It runs on Shopify's reliable, low-maintenance infrastructure, so you keep the platform's benefits
- Custom Shopify work still lives inside Shopify's constraints; deeply non-standard needs may outgrow it
- App and theme updates can break custom code, so you need ongoing maintenance
- Fitment data has to be built and kept accurate, which is real ongoing work
- If you sell simple commodity products, a good theme is cheaper and entirely sufficient
The features that matter for Portsmouth
What we build under shopify in Portsmouth
Digital Heroes builds the full shopify stack for Portsmouth teams. Typical engagements cover Shopify migration, Shopify checkout customization, Liquid development, ecommerce development, payment gateway integration and Shopify Plus development.
Shopify pricing in Portsmouth: the real numbers
| Project scope | Typical cost | Timeline |
|---|---|---|
| Theme customisation plus trade pricing | £20k to £35k | 2 to 3 months |
| Plus fitment lookup and cert documents | £35k to £55k | 3 to 4 months |
| Plus bulk orders and ERP integration | £55k to £70k | 4 to 5 months |
From kickoff to launch: the schedule
Exactly what you get
A Shopify store that sells the marine way: a fitment lookup confirms a part suits a specific vessel, certification documents sit on the product page, and trade customers see their negotiated pricing and place bulk and contract orders themselves. It integrates with your ERP or stock system so marine inventory stays accurate, and it keeps Shopify's reliable, low-maintenance hosting underneath.
How to choose a developer in Portsmouth
Find a Shopify partner who has built B2B and technical-product stores, not just fashion themes. Ask how they'd implement a vessel-based fitment lookup and per-account trade pricing, and how they'd keep it working through Shopify and app updates. The right team integrates with your back-office stock and offers ongoing maintenance. One that solves everything with a pile of conflicting apps is storing up trouble.
- !They only customise the look. Ask how they'll build a fitment lookup
- !They ignore trade pricing. Ask how a yard sees its negotiated rates
- !No ERP integration plan. Ask how stock stays accurate against your back office
- !They install five apps to fake it. Ask what happens when those apps conflict on update
- !No maintenance offer. Ask who fixes custom code when Shopify updates break it
Most Portsmouth teams pricing shopify end up comparing notes on wordpress, pos, project management too; the systems share one data spine.
Rohan advises mid-market and enterprise teams on ERP, CRM and custom software, and has led delivery on dozens of business-software builds.
Writes for Digital Heroes, shipping business software for 2,000+ brands across 55+ countries since 2017.
Frequently asked questions
Can Shopify really handle fitment and trade pricing?
Yes, with custom development. Shopify's platform supports per-customer pricing and custom logic through its APIs and metafields, so a fitment lookup and trade tiers are well within reach without leaving the platform.
Why not just use Shopify apps for this?
Apps can cover pieces, but stacking several to fake fitment and trade pricing creates conflicts and breakage on updates. Targeted custom development is more reliable for the logic your selling depends on.
How does stock stay accurate?
Through integration with your ERP or stock system, so marine inventory reflects reality and you don't oversell a certified part you no longer have. That integration is a priced part of the build.