Master service agreement
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The umbrella contract between a vendor and customer that governs the overall relationship, terms, and legal obligations.
An MSA is the master contract between you and the customer. It covers the legal terms that apply to the entire relationship: liability limits, indemnification, data handling, termination rights, governing law, and dispute resolution.
The MSA does not specify what the customer is buying or how much they are paying. That goes in the SOW or order form. The beauty of an MSA is that once it is signed, you can add new purchases with simple order forms instead of renegotiating the entire contract every time.
Enterprise customers have strong opinions about MSAs. Their legal team will redline yours. Common sticking points: liability caps, data processing terms, termination for convenience clauses, and IP ownership. Having a flexible but principled MSA that your legal team can defend speeds up every deal.
Examples
A first deal requires an MSA.
The customer's legal team receives your standard MSA. They redline 15 clauses. Your legal team responds with a revised version accepting 8 changes and pushing back on 7. Two rounds of negotiation over three weeks. The MSA is signed.
An MSA accelerates a second deal.
Same customer wants to buy a second product. Because the MSA is already in place, the deal requires only a new order form. What would have been a 6-week procurement process takes 5 days.
A startup without a standard MSA loses time.
Every deal requires a custom contract because the startup never invested in a standard MSA. Each deal takes 4-6 weeks in legal review. The VP of Sales asks legal to create a template MSA. Deal velocity increases 40%.
In practice
Read more on the blog
Frequently asked questions
What is the difference between an MSA and SOW?
The MSA covers the overall legal relationship: liability, data handling, IP, termination rights. The SOW (or order form) specifies what the customer is buying, how much they pay, and the timeline. The MSA is signed once. SOWs are added for each purchase.
Should a startup use its own MSA or the customer's?
Start with your own. It is faster, you control the terms, and you know where you have flexibility. If the customer insists on their paper (common with large enterprises), review it carefully. Their MSA is designed to protect them, not you.
Related terms
A document specifying what the vendor will deliver, the timeline, pricing, and acceptance criteria for a specific engagement.
The conditions in a sales agreement: length, auto-renewal, termination rights, payment schedule, and SLA commitments.
The department responsible for negotiating vendor contracts, terms, and pricing. The last stop before a signed deal.
A cross-functional team that reviews and approves non-standard deal terms, pricing, and contract structures.
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