WPS Performance
Cardiff, South Wales
Independent Porsche specialists offering servicing, maintenance, repairs, engine rebuilding, bodywork and performance upgrades. A First Stop profile also lists tyre services.
Service directory
Performance Servicing & Repairs in Wales
Find Welsh workshops whose public websites describe performance-car servicing, repairs or diagnostics. Before booking, confirm exact model support, modifications, parts availability and whether the job requires marque-specific diagnostic equipment.
Public supplier listings
Providers to investigate
These companies publicly describe services related to this category. Confirm exact service details, location, availability and model support directly.
SMG Motorsport
Near Abergavenny, South East Wales
Performance-car workshop covering servicing, maintenance, dealer-level diagnostics, upgrades, geometry and track preparation. Its website states Porsche Partner Network approval and mentions Porsche and BMW M expertise.
RTEC Garage
Gorseinon, Swansea
German-car specialist offering servicing, repairs and diagnostics. Its public website identifies Volkswagen, Porsche, Audi, BMW and Mercedes as makes it specialises in, and discusses servicing performance vehicles.
Peak Performance Centre
Prestatyn, North Wales
North Wales workshop offering ECU remapping, vehicle diagnostics, servicing, repairs and DPF cleaning. Its website describes a performance-focused approach to vehicle care.
A1 Diagnostics & ECU Repairs
Cardiff, South Wales
Cardiff workshop with a dedicated Porsche specialist page and diagnostic, electronic, engine and gearbox service information.
AMP Performance Engineering
Swansea / Gorseinon, South Wales
South Wales workshop describing performance and supercar repairs, servicing, tuning, modifications and vehicle inspection work.
AGM Power Ltd
St Clears, Carmarthenshire, West Wales
Independent BMW and Porsche specialists in St Clears. The company’s official website describes servicing, repairs, diagnostics and tailored performance upgrades. Ask AGM to confirm support for your exact model and requested work.
Rumney Test & Service Centre
Cardiff, South Wales
Independent Cardiff garage that explicitly advertises Aston Martin servicing and repairs, covering a range of models. Its website positions the service as an independent alternative for post-warranty vehicles.
Lewis Motors
Rumney, Cardiff, South Wales
Independent Cardiff garage offering Audi servicing and repairs; its published model list explicitly includes RS3, RS4, RS5, RS6, RS7, RSQ3 and TTRS variants.
Three Point Automotive
Llandudno Junction, Conwy, North Wales
North Wales independent Mercedes-Benz specialist that explicitly lists AMG models among the vehicles it services, maintains and repairs, including relevant hybrid and electric models.
Team Mercedes
Cardiff Marine Village, Cardiff, South Wales
Cardiff-based independent Mercedes workshop. Its public website confirms it can work on AMG models and lists servicing, repairs, diagnostics and mechanical maintenance.
Questions to ask
- Explain the exact model, year, engine and modifications.
- Ask what diagnostic equipment and parts support are available.
- Request a written estimate and clarify whether investigation time is chargeable.
Directory noteListings are not endorsements or recommendations, and providers have not paid for priority placement. Check whether the service is appropriate for your car before booking.