Software contracts are not like talking to Google
Founders sign templates that assume their startup is a small version of a tech giant. The legal architecture of a software company is nothing of the kind.
Software founders sign more contracts in their first eighteen months than most operating businesses sign in five years. The mistake I see most often is that the founder treats those contracts the way they would treat the click-through agreement with Google Workspace, a one-time read at most. The legal architecture of a software company is nothing of the kind, and three categories of contract decide whether the startup is fundable, suable, or both.
The first category is the contractor and developer agreement. Most early software work is done by a distributed team of contractors, often working through agencies in multiple countries. The default assumption (that whoever paid for the work owns the work) is wrong almost everywhere in the United States and is wrong even more aggressively under foreign law. Without a written assignment that complies with the work-for-hire and assignment provisions in the contractor’s jurisdiction, the startup ends up owning a license to use the code and not the code itself. That distinction goes unnoticed until a diligence team for a Series A or an acquirer asks for proof of chain of title, and the question becomes whether every contractor since incorporation can be located and re-papered. The same agreement should also address what open-source components the contractor is allowed to introduce, and on what terms, because a single GPL-licensed module can convert a proprietary product into something the startup cannot license commercially on the original terms. In 2026 the contractor agreement also needs an AI clause: what AI tools the contractor may use, who owns the output, and what training-data warranties the contractor gives.
The second category is the customer agreement, and the operative question is bug liability. Every software company ships defects. The contract decides who pays when a defect causes a loss. A consumer mobile app and a loan-servicing platform sit at opposite ends of that spectrum, and the warranty, disclaimer, indemnity, and limitation-of-liability sections need to be calibrated to where the product actually sits. A loan-balance calculation that comes back too low is a different exposure than a fruit-slicing game that crashes, and the contract that treats them the same is the wrong contract. Founders frequently inherit templates from another company at another stage, and the templates have no relationship to the risk surface of the product being sold. That is the contract a plaintiff’s lawyer will read most carefully.
The third category is the data-handling agreement, which now sits on top of every customer contract whether the parties call it that or not. If the startup processes personal information on behalf of the customer, the data processing addendum is mandatory under more than twenty state privacy laws and under the GDPR for European users. The DPA controls cross-border transfers, subprocessor disclosure, breach notification timing, and audit rights. Most of these provisions sit dormant until they don’t, and then they govern very expensive disputes. The same applies to security commitments: a customer-facing security exhibit promising specific controls (encryption at rest, MFA, SOC 2 maintenance) is a contractual representation, not a marketing claim, and the FTC has been treating gaps between the two as deceptive practices in its recent SaaS enforcement.
The practical takeaway for software founders is that the contract stack is the company. Equity, code, customer revenue, and data flows all live inside contracts that were either drafted with the company’s risk profile in mind or copied from somewhere else. The founders who get into trouble are not the ones who negotiated badly. They are the ones who treated contracts as overhead and discovered, at the worst possible moment, that the documents do not say what they assumed they said.