I have developed a toolkit to help AP teams optimize their AP.  The toolkit is a 70 page document with accompanying electronic media to help you get started.  It covers the following strategies (the number in brackets are the better practice s to adopt).

Accounts payable systems improvements easy steps (7)

Accounts payable systems improvements more integrated steps (3)

Administration improvements for all AP teams (8)

Improvements to month-end AP procedures (5)

Accounts payable staffing improvements (7)

Business re-engineering (6)

Payment improvements (6)

Improving relationships with budget holders (7)

Improving relationships with suppliers (10)

Identifying accounts payable fraud early (8)

To access content look at 50+ Ways To Improve Accounts Payable – Toolkit (70 page Whitepaper + e-templates)