One of the main services provided by the Society for members is the clause-by-clause vetting of individual publishing contracts. To send your contract in to one of the Society's advisers, please click here. If you are not yet a member of the Society, find out how to join.
If you have an agent we would usually expect them to handle the contract for you.
If you are considering seeking advice from a lawyer, ensure that they understand publishing practice, and be sure you know at the outset what the advice will cost you.