Pay per click management

I own an established IT support company , serving homes and small business in and around the M25.

I need to get more business form mobile and PC searches on google, bing, etc.

I don't have an enormous budget, and our average sale is £150
I have been quoted ridiculous monthly spends.Most of my rivals are the same size as us, and neither can they afford silly money, so I don't believe anyone who tells me I have to sped £3k a month.

If you can help a small business and provide references of businesses you've helped,please get in touch.

thanks
Jon Dickson