This may or may not apply to you but in the UK you can get R&D tax credits, so it's beneficial to pay yourself so you can claim back a portion of your salary as

This may or may not apply to you but in the UK you can get R&D tax credits, so it's beneficial to pay yourself so you can claim back a portion of your salary as tax credits. This works even if you personally loan your company the tax free allowance (which is about £10k) that then gets paid back to you.