Its becoming harder to get away with paying yourself and spouse min wages. Why not lease a company vehicle for £500 per month or upgrade your IT infrastructure with a personal loan from your savings and then the company can pay you back each month - with market rate interest of course. Interst on savings is very low at the moment so this is a good opportunity
Make sure you claim fully for online suscriptions, conferences, training, personal mentoring, team building events etc all with full expenses only if you actually need them .
Pension contributions ? Property ? If you have kids I hear there is a way to pay for shool fees via your pension.
Tax avoidance is perfectly legal, but I wouldnt advise anything gray area, its no different from any other fraud/theft.
What abouut paying for a better accountant who knows all these?