Which term-sheet terms actually matter?

Start with the instrument and jurisdiction

A post-money SAFE, a US preferred-stock financing and a UK Series A do not create the same documents or rights. First identify what is being issued, which company is issuing it, whether the round is priced and which provisions are intended to bind before closing. Model documents are useful starting points, not universal answers.

The current NVCA documents show how a US preferred financing works as a complete set. UK Private Capital's model documents do the same for a UK Series A and explicitly say they are not designed for seed rounds. At seed, a short-form instrument may be appropriate, but simple paperwork does not remove dilution or cap-table consequences.

Model ownership before negotiating valuation

Start with the exact current cap table. Add every SAFE, note, warrant, promised grant and the proposed financing. Then show the ownership of founders, employees and each investor immediately after closing. A valuation is not comparable until the model uses the same definition of fully diluted ownership and the same option- pool assumption.

Pay particular attention to a pool increase placed inside the pre-money calculation. It can shift dilution to existing holders even when two offers display the same valuation. The Cooley explanation of option-pool treatment is useful because it turns an apparently administrative number into the percentage points founders are actually selling.

Run downside economics and decision rights together

Build proceeds models at several realistic exit values. Show when each preferred class takes its preference, converts or participates, and what remains for ordinary shareholders. Then map board seats, voting thresholds and protective provisions against the decisions the company may genuinely face: another financing, a sale, a senior hire, new debt or a shutdown.

The point is not to treat every investor protection as hostile. Investors are committing capital to an uncertain company and need defined rights. The founder's job is to see where economics and control combine, especially when the company misses the plan.

• Base case: the company grows and raises again on good terms.
• Downside: the company exits below plan or needs an inside round.
• Conflict: founders and investors disagree about financing, hiring, sale or shutdown.

Use current market documents to find the deviations

“Standard” should mean standard for this instrument, jurisdiction, stage and market, not familiar to the person proposing it. Compare the offer with the relevant model documents and recent transaction evidence. HSBC Innovation Banking's 2026 term-sheet research analyses 711 signed term sheets; it is a better reference for market frequency than a founder's last deal or an investor's preferred form.

A common term can still matter greatly. An unusual term can be reasonable for a particular risk. Ask counsel to identify each departure, explain its effect in the scenarios already modelled and tell you what later financing documents are likely to inherit. That turns market practice into context rather than a substitute for a decision.

Treat the investor as part of the offer

The rights will be exercised by people, not a spreadsheet. Evaluate the point partner, decision process, fund reserves, follow-on behaviour, portfolio conflicts and references from founders whose companies struggled as well as those that succeeded. A slightly higher price can be poor compensation for a board relationship the founders do not trust.

Compare the deal and its source separately, then decide where one justifies a trade-off in the other. This also exposes a false choice: an impressive firm is not automatically the right partner, and a likeable partner does not make difficult economics disappear.

Resolve the consequential points before exclusivity

A term sheet is often largely non-binding, but confidentiality, exclusivity, expenses and governing-law provisions may bind. Once the company signs and other investors leave the process, its negotiating position changes. Do not postpone the commercial issue that matters most in the hope that definitive documents will make it easier.

Before signing, agree the ownership model, preference, board, protected decisions, option-pool treatment, founder vesting changes, key closing conditions and any unusual investor right. Give counsel enough time to review the exact version. A fast signature is not a clean close if the founders only understand the headline.