A retainer agreement is essential in Texas family law cases. Trust Bryan Fagan, PLLC for clear terms and expert legal representation.A fee retainer agreement a type is a contract where a client or customer pays in advance for professional services and work product to be specified later. A retainer denotes the fee that the client pays when hiring an attorney to act on his or her behalf. Discover the essentials of retainer agreements: types, benefits, and what to look for in a law firm to ensure trust in your legal journey. This free retainer agreement template sets out the duties of all parties. Know what will be provided, how the service will be provided, and at what cost. This client Retainer Agreement is for ongoing service agreements between a client and consultant or contractor. A retainer agreement is a work-for-hire legal document or a service contract between a company or an individual and a client. Designer agrees to provide to Client the design services and deliv- erables set forth in the attached Statement of Work ("SOW") (the "Services").