Remember in the next year set up a direct debit to another account for your tax bill, as it looks like next time your have one, its hard to sallow if you've not put it aside specifically.
increase profit by cutting over heads with suppliers, better sourcing, check your service suppliers are giving you good deals like phone, mobile, van insurance.
advertising, if its not working cut it, keep doing what works. im sure your doing all this anyway,
as you steamline your profit margine will increase your turnover will increase as well, this effect combined, your do very well.
you just had a slow couple of months like most of us.