Write 50 articles for tradespeople job lead site

We are looking for someone to write 50 articles for tradespeople job lead generation site which provides up to 3 free quotes from local reviewed tradesmen. Subjects to include tradespeople, tradesmen, recommended tradespeople, plumbers, tilers, joiners, reliable tradespeople, local tradespeople, quotes, etc.
A list of subject matter can be provided but we are looking for advice too from experience article writers. the site is http://www.toptradespeople.co.uk