A SaaS escrow agreement exists to outline how the software data will be delivered from the software as a service, or SaaS provider. SaaS Escrow Agreement.A source code escrow agreement is a contract between a client and a software developer, ensuring client protection if software maintenance fails. A form of escrow agreement is a legal contract that guarantees a third party will hold the funds or property during an exchange. PRAXIS Escrow offers holistic escrow solutions, addressing the specific needs of SaaS software. This Master SaaS and Services Agreement ("Agreement") is entered into to be effective as of the date of later signature. Standard beneficiary under the Escrow Agreement. A SaaS escrow is a contractual agreement between a software provider, their client, and an independent third party, known as the escrow agent. San Diego, CA 92128 Phone: 800.798. One reason is that in the event of unauthorized access, the vendor cannot claim an IP infringement unless there was a prior license granted.