Automotive ERP Consultant, UK

Used cars, the margin scheme and the stock book

For many UK dealers, used cars produce most of the work in the back office. A car arrives as a part exchange, from auction or from another trader, picks up preparation and repair costs, and is sold to a retail or trade buyer. Each step needs an owner and a record.

VAT adds a twist that UK dealers know well. Second-hand cars bought without VAT being reclaimable can often be sold under the margin scheme, where VAT is accounted for on the dealer's margin rather than the full price, while other vehicles, including many commercial vehicles, are sold with VAT on the whole amount. The scheme comes with record-keeping expectations for each vehicle, so the system has to know the treatment from the moment of purchase and keep the evidence with the stock record.

In requirements terms this means:

• a VAT treatment field set at purchase and protected from casual editing
• preparation costs posted to the vehicle, not to a general overhead account
• a stock book report produced directly from the system
• margin and VAT on margin visible on the sales invoice workflow

Which treatment applies to which vehicle is a question for your accountant. The system, though, must record that decision on the vehicle and never quietly lose it.

MOT, servicing and the independent garage

Independent garages carry a large share of servicing, repair and MOT testing in the UK, and their systems are often a garage management package beside a desktop accounting product. The friction appears where the two meet: invoices rekeyed, parts bought on account from several factors with no link to the job, and labor never compared with the time actually spent.

MOT work brings its own pattern. Bookings cluster around reminder dates, a test can produce failures and advisories, and both are opportunities for repair work if the customer approves. A good workshop design records advisories against the vehicle and turns them into reminders, rather than leaving them on paper.

When I map a garage I trace one MOT that becomes a repair, one service with parts from a factor and one warranty or goodwill job. Those three paths show where time and parts go missing. For VAT reporting, the route from invoices to a submitted return under Making Tax Digital needs to be tested end to end, a point covered more broadly on my UK ERP consultant page. The general framework sits on my automotive ERP page.

Motor factors: speed, accuracy and returns

A UK motor factor competes on how quickly the right part reaches the garage. Orders arrive by phone, trade portal and counter, vans run to garages on frequent loops, and a branch that does not have a part may pull it from a neighboring branch or a central warehouse. Pricing is account-based, with trade discounts that differ by product group.

The ERP has to support fast lookup by vehicle and part number, stock visibility across branches, and returns that are a normal part of trading. Garages order more than one candidate part to be sure of fitment and send back the ones that do not fit, so a factor without disciplined return handling ends up with damaged or unrecorded stock. Surcharges on exchange units, such as calipers and turbochargers, need the same discipline.

I write requirements for counter speed, delivery run planning, branch transfers, returns reasons and supplier claims, and I use the factor's own busiest hour as a demo scenario. Factors share many needs with UK distribution businesses, and that page goes deeper on warehouse and route design.

Franchised dealers, groups and the move to new systems

Franchised dealers work under agreements with manufacturers that commonly specify standards for retail, aftersales, parts ordering, warranty and financial reporting. In practice this usually means a DMS the manufacturer accepts, so the ERP project is about what sits around it: group consolidation across sites and brands, purchase ledger and approvals, HR and payroll links, and reporting that combines vehicle, aftersales and parts margins.

Consumer finance arranged at the point of sale is a regulated activity, and dealers rely on lender and compliance processes for it. I treat the ERP's role there as recording commissions and deal documents accurately, not designing the compliance process itself.

Migration sources I see in UK motor businesses include Sage and Xero beside garage or dealer software, and spreadsheets for vehicle stock. I plan cutover with a full parts count, vehicles in stock with cost and VAT treatment, open job sheets, unpaid warranty claims and account balances, using a data migration plan with reconciliations.

I work remotely within UK business hours, with site visits by arrangement. Start with the UK hub or send me a note about your sites and brands.