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Statement of work

As explained in Think Like a CTO

A statement of work is a formal agreement that specifies the services, scope, and expected outcomes to be provided by a supplier or contractor.

A statement of work (SOW) is an agreement that defines the service a supplier or contractor will provide. It clarifies expectations, gives vendors enough detail to bid successfully, and protects both parties from ambiguity. section 10.1.1 section 10.5

Shape the SOW around the engagement by addressing:

  • Scope, including the areas covered and explicitly excluded. section 10.1.1
  • Deliverables, such as source code, a library, or a service. section 10.1.1
  • Intellectual property rights, including when assignment of the rendered work occurs. section 10.1.1
  • Access, personnel restrictions, subcontracting, and authorization for out-of-scope work, licenses, or travel. section 10.1.1
  • Warranty, timeframe, extension, renewal, termination, solution limitations, and payment terms. section 10.1.1

Vendor engagement

Before inviting service vendors to tender, define the work, deliverables, access requirements, responsibilities, and success conditions in the SOW. If confidential requirements must be discussed, use a limited NDA and share only information relevant to the contract. section 10.1.1

Set the agreement’s granularity according to the engagement. Treat legal drafting as a matter for qualified counsel rather than assuming technical familiarity is sufficient to interpret every provision. section 10.1.1 section 10.0

How Think Like a CTO covers it

How deep it goes
Details scope, deliverables, rights, access, controls, timing, warranties, termination, limitations, and payment, while deferring legal interpretation to counsel.
Examples
Uses vendor bids, source code, libraries, services, access requirements, subcontracting rules, warranties, and payment terms as concrete agreement elements.
What it assumes
Assumes a defined need for external services and teaches the agreement’s core components without assuming legal expertise.
What you can do after
Evaluate vendor proposals and define a defensible agreement covering deliverables, responsibilities, boundaries, and commercial conditions.
How it connects
Connects with nondisclosure agreements, service-level agreements, intellectual property rights, vendor tendering, software licensing, and support contracts.

Related concepts

This explainer was generated by Manning's knowledge graph from the text of Think Like a CTO. The section links point to the parts of the book it draws on.