Who owns what is produced.
WHAT TO ESTABLISH
That work produced for you belongs to you.
WHY IT MATTERS
Without it, ownership may rest with the person who created it.
WHAT TO COVER
Content Designs Code Photographs Anything created for the business
WHAT TO PUT IN THE AGREEMENT
That all work produced in the course of the engagement is yours.
FOR CONTRACTORS PARTICULARLY
The default position differs from employment in many jurisdictions.
State it explicitly.
WHAT ELSE TO CONSIDER
Whether they may use the work in their own portfolio.
Frequently reasonable, and agree it rather than leaving it unclear.
FOR CODE
Whether they may reuse components elsewhere.
FOR PHOTOGRAPHS OF YOUR BUSINESS
Who may use them, and where.
WHAT TO TAKE ADVICE ON
Anything substantial.
WHAT TO AVOID
Discovering after the relationship ends that you do not own what you paid for.