Why not try an insolvency practitioner who specialises in self-employed cases. I do a lot of these and generally work out payments on a quarterly rather than monthly basis to take account of peaks and troughs in trading. However, you mention that your business is trading at a loss at present, so it...

I own a business which has been operating for over 3 months. Unfortunately it hasn't grown as fast as I had anticipated and I am now in almost £70,000 worth of debt. I know the business will come good but at present the money just isn't coming in to pay the bills, never mind start clearing the debt....