Three questions decide how much of what you've built you actually keep: what is the business worth, what is holding that value back, and what reaches you after tax. This works all three together so you can see the whole picture before you ever sit down with an adviser or a buyer.
Buyers value the profit the business really makes once it's run at arm's length — not the figure shaped for tax. This is the adjustment advisers call normalisation.
Sector sets the starting multiple buyers tend to pay. Size band is read automatically from your normalised earnings.
Be honest here — this is where the real money is. The same earnings can be worth twice as much depending on these. Each one moves your multiple, and the panel shows you by how much.
Now look at what reaches you after tax. The price defaults to your current indicative valuation — change it to test any figure.