Startup Founder Agreements With Advisors
A great advisor can open doors, sharpen your thinking and save you from expensive mistakes. A vague handshake deal with that same advisor can leave you with equity on your cap table and nothing to show for it. A clear founder agreement with each advisor protects the relationship, sets expectations on both sides and keeps your company tidy for future investors.
Key takeaways
- An advisor agreement should spell out the role, the time commitment, the compensation, vesting, confidentiality, IP and how either side can end it.
- Tie advisor equity to vesting so it is earned over time, and include a way to stop vesting if the advisor goes quiet.
- Agree on specific deliverables, such as introductions or monthly calls, before you agree on equity.
- Get every advisor agreement reviewed by a startup lawyer and recorded properly, because investors will check it during due diligence.
Most founders pick up advisors in an informal way. Someone helpful offers a few calls, you promise "some equity," and months later nobody remembers exactly what was agreed. That is how small misunderstandings turn into awkward conversations, or into a messy surprise when an investor reviews your records.
This guide walks you through what an advisor agreement should cover, how to structure equity and vesting, and how to run the relationship once the paper is signed. You will also get a simple tracker template and a checklist you can use the next time someone offers to help.
A quick note: this is general information about startup advisor arrangements, not legal, tax or investment advice. Equity, securities and tax rules differ by country and change over time, so have a qualified startup lawyer and an accountant review your agreements before anyone signs.
What an advisor is (and what an advisor is not)
An advisor is someone outside the founding team who gives you expertise, guidance or access in exchange for compensation, usually a small equity grant, sometimes cash, sometimes both. Advisors are not employees, they do not run part of the business day to day, and they do not usually have a vote on major decisions.
It helps to separate advisors from a few roles that look similar:
- Co-founders are building the company full time and share the risk. Their agreements cover founder vesting, roles and decision rights, which is a much bigger conversation.
- Board members have legal duties to the company and formal voting power. A board seat is governed by your company documents, not an advisor letter.
- Consultants and contractors deliver defined work, such as a website or a financial model, usually for a fee.
- Mentors often help for free, for example through an accelerator such as Y Combinator, Techstars or Entrepreneur First. No agreement or equity is usually needed.
If someone is going to write code, run sales or manage people, they are probably not an advisor. Treat them as a contractor or a hire instead, with the agreement that fits that role.
Decide what you need before you sign anyone
The strongest advisor relationships begin with a clear gap. Before you offer equity to anyone, write down what you are missing and what success would look like after 12 months.
- Name the gap. Is it industry knowledge, regulatory experience, technical architecture, hiring help or introductions to a specific type of customer?
- Define the outcome. For example: "three warm introductions to hospital procurement teams" or "review our pricing model before launch."
- Estimate the time. One call a month and email access is very different from weekly working sessions.
- Check fit. Talk to the person a few times without any agreement. See how they communicate, whether they follow through and whether you actually take their advice.
- Only then discuss terms. Compensation should follow the scope, never the other way round.
Pro tip
Run a short trial period before you formalize anything. Two or three useful sessions tell you far more than a famous name on your pitch slide. If the advice is good, the advisor will be happy to put it in writing.
The key clauses every advisor agreement needs
Advisor agreements are usually short, often just a few pages, but each clause matters. Here is what to include.
Role and expectations
Describe the areas the advisor will help with and the minimum commitment, such as one 60-minute call a month, reasonable email availability and a set number of introductions per quarter. Specific beats vague. "Strategic advice" means nothing when you are trying to decide whether someone has kept their side of the deal.
Compensation
State exactly what the advisor receives. For equity, name the type (for example, stock options or restricted stock), the number of shares or options, and the vesting schedule. For cash, give the fee and how it is paid. Avoid promises such as "a percentage of the company," because percentages change every time you issue new shares.
Vesting and acceleration
Vesting means the advisor earns equity over time. Advisor vesting is often shorter than founder vesting, which commonly runs 4 years with a 1-year cliff. Decide whether there is a cliff, how often equity vests (monthly or quarterly) and whether any of it accelerates if the company is acquired. Acceleration is a negotiation point, so talk it through with your lawyer.
Confidentiality and IP
The advisor should agree to keep your confidential information private and to assign to the company any intellectual property they create while helping you. Investors look for clean IP assignments, so do not skip this clause even with a close friend.
Conflicts of interest
Many good advisors help several companies. Ask them to disclose any role with a competitor and to tell you if a conflict appears later. You do not need exclusivity, but you do need honesty.
Term and termination
Set a term, such as 12 or 24 months, and allow either side to end the agreement with short written notice. Make clear that unvested equity stops vesting on termination. This is your safety valve if the relationship fades.
Common mistake
Granting advisor equity that vests all at once on day one. If the advisor disappears after two calls, they keep the full grant and you cannot get it back. Always tie equity to time, and ideally to a light check on whether the advisor is still active.
How to think about advisor equity
There is no universal formula for advisor equity, and you will see very different numbers online. The right amount depends on your stage, the advisor's expected contribution and how much equity you have already promised elsewhere. A pre-launch startup with no team may offer more than a company that already has product and customers.
A few practical principles help:
- Start with your pool. Many startups set aside a small slice of equity for advisors as part of their wider option pool. Knowing the total stops you from overpromising to the first person who asks.
- Match equity to effort. An advisor who joins weekly sessions and makes real introductions deserves more than one who agrees to the occasional coffee.
- Prefer fewer, more active advisors. Three engaged advisors beat ten names on a slide.
- Write grants in shares or options, not percentages. This keeps the record accurate as the company grows.
US and UK equity notes
In the US, advisors who are not employees generally receive non-qualified stock options (NSOs) rather than ISOs, which are reserved for employees. Options are usually priced at fair market value based on a 409A valuation. If an advisor receives restricted stock instead, they may want to file an 83(b) election within 30 days of receiving it, which is a decision for them and their own tax adviser.
In the UK, EMI options are the main tax-advantaged scheme for small companies, but they are aimed at employees who meet working time requirements, so they often do not suit an outside advisor. Your accountant can explain the alternatives. In every country, exercising options and the related taxes can be complex, so encourage advisors to get their own advice.
An advisor tracker template
Keep one simple record of every advisor relationship. It makes board updates easier, helps you spot quiet advisors and saves hours when investors ask for documents. The names and numbers below are made up for illustration.
| Advisor | Focus area | Commitment | Grant (example) | Vesting | Start date | Last contribution | Status |
|---|---|---|---|---|---|---|---|
| Advisor A | Healthcare sales | 1 call a month, 2 intros a quarter | 10,000 options | Monthly over 2 years | Jan 2027 | Intro to a clinic group, April | Active |
| Advisor B | Data security | Quarterly review | 5,000 options | Monthly over 2 years, 3-month cliff | Mar 2027 | Security review, March | Active |
| Advisor C | Fundraising | Ad hoc | 8,000 options | Monthly over 2 years | Sep 2026 | Call, December | Check in |
Add a column for the document location so you can find the signed agreement in seconds. When a row says "check in," have that conversation within a couple of weeks.
Running the relationship after you sign
The agreement is only the start. Advisors give their best when you make it easy for them to help.
- Send a short monthly update. Share wins, numbers and two or three specific asks. Specific asks get answered; general updates get skimmed.
- Book regular time. A recurring calendar slot keeps the relationship alive, even when you are busy.
- Close the loop. When you act on advice or an introduction works out, tell the advisor. People keep helping when they see results.
- Review every six months. Ask whether the scope still fits your stage. Your needs in year two may look very different from your needs today.
As spring planning wraps up and you look ahead to the second half of the year, this is a good moment to review each advisor against the goals you set when they joined.
Hypothetical example
Imagine Priya, founder of a small software startup for veterinary clinics. She meets a former clinic group operations director who offers to help. They agree on a six-week trial with two calls. The advice is excellent, so Priya offers an advisor agreement: one call a month, four introductions over the first year, a grant of 10,000 options vesting monthly over two years, and a 30-day notice period for either side. Nine months later, three introductions have turned into pilots. At the six-month review, they also agreed to add a quarterly pricing review to the scope.
When and how to end an advisor agreement
Not every advisor relationship lasts, and that is fine. Your company changes, and so does what you need. Ending it well protects your reputation and your cap table.
- Check the agreement. Confirm the notice period and what happens to unvested equity.
- Talk first. Have a short, warm conversation before sending anything in writing. Thank them for what they contributed.
- Send written notice. Follow the method set out in the agreement and keep a copy.
- Update your records. Record the end date and the vested amount in your tracker and your equity records.
- Stay on good terms. Former advisors can still be great references and connectors.
Your advisor agreement checklist
- Write down the specific gap the advisor will fill
- Run a short trial before discussing equity
- Agree on the minimum time commitment and deliverables
- State compensation in shares, options or cash, not percentages
- Set vesting, any cliff and any acceleration terms
- Include confidentiality, IP assignment and conflict disclosure
- Set a term and a simple termination clause
- Have a startup lawyer review the agreement
- Get board approval for any equity grant where required
- Add the advisor to your tracker and review every six months
Frequently asked questions
Do I need a written agreement if the advisor is a friend?
Yes. A written agreement protects the friendship as much as the company, because it removes any guesswork about what was promised. It also gives investors the clean records they expect during due diligence.
Can I pay an advisor in cash instead of equity?
You can. Some advisors prefer a monthly or hourly fee, especially for defined work. Cash keeps your equity intact but costs money now, so weigh it against your runway. Some agreements mix a small fee with a small grant.
Should advisors sit on my board?
Usually not. Board members carry legal duties and voting power, while advisors simply give input. If you want someone on the board, treat it as a separate decision and follow your company documents and investor agreements.
What if an advisor stops responding?
Reach out directly and ask whether they still have time. If not, use the termination clause so unvested equity stops vesting. This is exactly why vesting and a clear notice period matter.
Related reading
The bottom line
Advisors are most valuable when both sides know what is expected. Start with a clear gap, test the fit, then write down the role, compensation, vesting, confidentiality, IP and exit terms. Keep a simple tracker and review each relationship regularly.
Take ten minutes this week to list your current advisors and check whether each one has a signed agreement. If anything is missing or unclear, book a call with your lawyer and fix it now, while it is still a friendly conversation.
