Built for the motor trade.
Tuned on the dyno.
Trade-only file tuning with dyno-proven performance software. Upload the read, choose the tune, and get a modified file you can flash with confidence.
Trusted by trade garages across the UK
How it works
From read to remap in four steps
A simple workflow designed around how garages actually work — no forms, no chasing, no guesswork.
Upload the read
Drop in the file from the vehicle. We support DTC, EDC, MED and most common ECUs.
Choose the tune
Stage 1, DPF, EGR, AdBlue, pops & bangs — pick exactly what the job needs.
Pay or use credit
Checkout by card, or run the job off your trade credit balance.
Flash the car
Download the modified file from your dashboard and write it back to the ECU.
Why TradeFlash
Built for garages that care about results
Every file we send has been developed, tested, and validated before it reaches your inbox.
Dyno verified
Every performance tune is developed and validated on the dyno before release.
Trade only
Built for garages and the motor trade, not end users. Strictly account-based access.
Reliable gains
Safe, repeatable power figures you can quote to customers with confidence.
Fast turnaround
Most files are returned within hours, so you can book the car back in the same day.
- Real dyno data behind every performance tune
- Safe, reliable gains with no compromise
- Built for the ECUs and vehicles you see daily
- Trade-only support that speaks your language
Trusted by garages
What the trade says
“The dyno-verified files give us confidence when quoting customers. Turnaround is usually same day.”
“Finally a trade portal that understands garages. Upload, pay, download — no chasing for files.”
“Reliable gains and the support actually knows ECUs. It's become our go-to for stage 1 work.”