As a matter of policy, the Firm does not accept a new client without first investigating for possible conflicts of interests and obtaining a signed engagement letter. (hepworthholzer.com)
We could publish the service standards on our web site and in engagement letters such that every client was made aware of the standards and knew what to expect from the lawyer serving them. (slaw.ca)
I don't have a formal engagement letter with the accountant. (biggerpockets.com)