The trend of Big Four partners leaving to launch boutique consultancies has accelerated, with many struggling to build challenger brands without an 'all or nothing' approach, as highlighted by Q5 Partners' co-founder Olly Purnell.

UK · 2026-08-27

1. Step 1 · The triggerBig Four partners leave to form boutique firms.
2. Step 2 · Knock-onNew firms struggle to establish strong brands.
3. Step 3 · Reaches youQ5 Partners benefits from the challenges faced by larger firms.

The trigger is reported by the source below. The steps that follow are Branch²’s traced reasoning — how the shock could reach a business like yours, not a prediction.

Source: City A.M.

This is automated analysis for information only. It is not investment advice, not a recommendation, and not a solicitation to buy or sell any security. Branch² is not authorised or regulated. Do your own research.