Join the waitlist for a free 30-day audit.
We work with a limited number of brands at a time, so places open as they open. Put your details in below and we will come back to you when one does.
When your turn comes, you give us read-only access to data you already have. We rebuild your real margin, run the allocator against your actual spend, and audit every marketing flow against a holdout. Then we show you what we would change and what it is worth. No fee and no obligation.
What you get
Within 30 days of the data landing
then priced after the audit
- Your true contribution margin by product and channel, built from your own settlement and cost data, with every figure traceable to the row it came from.
- The products losing money before ads, which is usually the finding that pays for the whole exercise.
- A reallocation of your current ad budget, split into the moves the evidence supports and the moves it does not, with the test that would settle each held one.
- A flow-by-flow audit of your marketing, showing what your platform claims against what we can actually measure.
- A walkthrough with Ash and the underlying workings, so your team can check every number rather than taking ours on trust.
Tell us where it hurts most and we will come back with what we would do about it.
Join the waitlist
Two minutes. Ash reads every one himself. No sequence, no SDR.
We never share or sell your data. Privacy · Security
You're on the list.
Ash will come back to you himself, usually within two working days.
Prefer email? ashutosh@tinkerlab.co.uk
What we need from you, and what we don't.
What we need
- Read-only access to Xero or your accounts package, plus a product cost file with landed cost per SKU.
- Read-only access to your marketplace seller accounts and your store.
- Read-only access to your ad accounts.
- An order export with customer ID, order date and line-item SKU.
- Your 3PL invoices, the actual bills rather than the rate card.
- About an hour of someone's time to point us at the right accounts.
What we don't
- No engineering time from your side. We handle every connection.
- No write access. Nothing we do posts back into your books or your store.
- No emails sent to your customers during the audit.
- No contract to sign to see the findings.
- No sales sequence afterwards if you decide against it.
We will sign your NDA and your data processing agreement before you send anything. How we handle your data.
The things brands ask us first.
How long does it really take?
Thirty days from the point your data lands with us, not from the first call. The slow part is almost always getting landed costs into one place. If you already have a clean cost file per SKU, it is faster.
What is actually live today?
Trace is running: the reconciliation, contribution margin down to the SKU, the cash position and the weekly decisions. On Retain, we start with the second order: How Retain works. On Allocate, the ranking, the pre-ad loss list and the bounded reallocation are live, and those are what the audit runs on, while the full weekly allocator that makes the moves for you is still being built. On connections, some sources are live and others still come in as a scheduled export while we build the direct link, so we will tell you exactly which is which for your stack before you commit to anything. We would rather tell you that now than in month two.
What does it cost after the free audit?
It depends how much of the work you want us to run rather than advise on, so we price it after the audit, when we both know the size of the opportunity.
How is this different from our agency's dashboard?
We rebuild the number underneath from your settlement files, invoices and cost base, and every month we close it against what your accountant actually booked. It is built from your source documents rather than passed through from a platform.
And we act on it. We move the budget and we rebuild the flows.
Will you write to our customers?
Not during the audit. Afterwards, only if you ask us to. Keep the tool you already pay for, and we work inside it. Prefer to use ours? We can do that too. Either way, your customers see your brand, never ours. We never sell your lists, and we never use your customers' data to train anything.
We are smaller than £10M. Is it worth talking?
Yes, please do reach out. The work looks a little different at your size, but there is almost always margin sitting in plain sight, and we are confident we can help. Sign up, tell us what is going on, and we will come back with what we would do.
Who actually does the work?
Ash, directly. We take a limited number of brands at a time, so you will not be handed to an account manager. The person who builds your numbers is the person who presents them.