SaaS Escrow ensures customers can access, restore, or rebuild their SaaS applications and data in case of specific pre-agreed circumstances. A SaaS escrow agreement exists to outline how the software data will be delivered from the software as a service, or SaaS provider.A SaaS Escrow Agreement is a mutually agreed thirdparty arrangement between the SaaS vendor, the customer and the A SaaS escrow is a contractual agreement between a software provider, their client, and an independent third party, known as the escrow agent. Learn about the types of Software Source Code Escrow Agreements, Software Escrow Agreement release conditions and download a sample below. A SaaS escrow agreement ensures customers can access critical software and data if the provider fails to deliver, like during bankruptcy.