Congratulations on your growth. Now HMRC would like a word.

I tried to pay the taxman more. It turned out he'd rather I didn't — and that should worry a country that says it's chasing growth.

I crossed the VAT threshold faster than I’d dared plan for — a good problem to have — and discovered that trying to hand HMRC more tax was the single hardest piece of admin I’ve done all year.

There is a particular kind of problem that only arrives when things are going well. You spend years worrying about whether there’s enough work — and then one quart…