When you weigh a convertible note vs priced equity round, two things change most for you: how much of your company you give up, and when you give it up. A convertible note is a loan that turns into shares later. A priced equity round sells shares now, at a price both sides agree on. Done well, the choice leaves you with clear numbers before you sign anything.
What a convertible note is, in plain terms
Think of a convertible note as a loan that agrees to become ownership later. An investor gives your company money today. In exchange, the investor holds a promise: the balance will convert into shares when a future financing happens, or it will be repaid if that does not happen by a set date. Most of the paperwork exists to make that promise specific.

The note carries an interest rate, just like any loan. In most notes, that interest accrues instead of being paid in cash each month. The amount that eventually converts is the original money plus the interest that built up while you waited. The balance grows quietly, which is why a founder who checks only the bank account can miss it for a long time.
Two terms decide how favorable the conversion is for the investor. A discount lets the note holder convert at a lower price than the investors in the next round pay. A valuation cap sets a maximum company value for the conversion, so the investor converts at whichever result is more favorable. The exact figures are negotiated, which means no two notes look exactly alike, even when they arrive in the same envelope.
Notice what a note does not do on the day you sign. It does not set a value for your company, and nobody agrees on a price per share yet. That is why founders often use notes for early money. They park the valuation question until the next round, when more information exists. Think of it as postponing the price tag until someone is willing to pay a fair one.
A note also has a maturity date, the point at which the loan comes due. If no new round or sale has happened by then, the company may need to repay the balance, extend the deadline, or convert on new terms. Ask in advance what the holder can do at that point. The answer changes your leverage, and it changes how much pressure you feel when the date gets close.
What a priced equity round sets in writing on day one
A priced equity round sells shares at a price per share that is set during the round itself. The starting point is the pre-money valuation, the agreed value of your company before the new money arrives. Divide that value by the number of shares that exist before the round, and you get the price per share. The math is simple. The negotiation behind the number is not.
Investors usually receive preferred stock, a class of shares with more rights than the common stock that founders and employees usually hold. One of those rights is the liquidation preference, which decides who gets paid first if the company is sold or shut down. Think of it as a line at the exit door. Some shareholders stand closer to the front, and that position matters most when the exit is not a good one.
You will normally see a term sheet before any final documents exist. It is a short summary of the main terms: the amount, the price, board seats, voting rules, and investor protections. Most of a term sheet is non-binding, although a few clauses, such as confidentiality, can bind you right away. The term sheet sets the direction for the lawyers, so the most important choices are usually settled there.
Private rounds are usually sold under exemptions from full public registration, such as Regulation D under U.S. federal securities law. Offerings under Regulation D generally require a notice filing with the Securities and Exchange Commission, called Form D. Your lawyer handles that side. Your finance team keeps the cap table, the record of who owns what, and makes sure the numbers in the filing match the books.
Unlike a note, a priced round sets the company value on the day it closes. That gives you a clear number to plan around. It also puts a hard reference point in front of your next investors, who will ask how the last round was priced. Both sides start from the same figure, which makes the next conversation easier to have, even if it is not easier to win.
How each option changes who owns your company
Ownership is where the two options feel most different. Use a hypothetical company to see it. Suppose your company has 1,000,000 shares outstanding, and you take a note that converts later at a discount. When a new round sets a price, the note converts into additional shares. Your original shares are still the same number, but they now represent a smaller slice of the total.
That shrinking slice has a name: dilution. Dilution is not automatically bad. It is the cost of bringing in new money, and the real question is whether that money makes the company worth more than the slice you gave away. Dilution from a note can surprise founders because the final amount was not clear when they signed. The note looked small on the day it was written.
The table below compares the two structures on the questions founders ask most often. Read the rows as a checklist, not as a ranking. A note can be the better tool for one company and the worse tool for another, depending on timing, size, and the investors involved.
| Question | Convertible note | Priced equity round |
|---|---|---|
| What the investor holds at signing | A loan with a promise to convert | Shares bought at a set price |
| When ownership is fixed | Later, at the next qualifying round or a sale | At closing |
| Company value agreed now | Usually not | Yes, as the pre-money valuation |
| Main investor rights | Limited until conversion | Board seats, voting, and protective provisions, as negotiated |
| Typical documents | The note and any side letter | Term sheet, stock purchase agreement, and charter changes |
After the table, notice the timing risk. With a note, you may not know your final ownership until the next round closes. A new investor may set a valuation you did not expect, and the note holder's shares then depend on terms you negotiated months earlier, possibly without a clear picture of what they would mean. A fractional CFO can model these outcomes in a spreadsheet, so you see the range before you sign.
A priced round has its own dilution, but the number is clearer. You can calculate your percentage on the closing day, using the same cap table your lawyer reviewed. The trade-off is that the valuation becomes a reference point that future investors will read. A low number can be hard to undo, and a high number can make the next round harder to price. Both paths need a cap table you trust, and that trust comes from routine updates, not from a single clean-up at the end.
What changes in your cash, reporting and monthly routine
Money from either path lands in your bank account, but the bookkeeping differs. A note is a liability, which means an amount you owe, and it appears on the balance sheet. The balance sheet is the report that shows what your company owns and owes at a given date. Accrued interest needs an entry each month, even though no cash leaves the bank. A priced round instead records the new money as equity, the owners' stake in the business.
Cash forecasting becomes more important after either deal. A cash forecast is a month-by-month estimate of money coming in and going out. Interest, repayment deadlines, the timing of a new round, and the expected close of a sale all show up there. Think of it as a weather forecast for your bank balance. It will not be perfect, but it tells you when to bring an umbrella.
Investor reporting usually starts soon after the money arrives. Most investors expect a regular update, often monthly or quarterly, with cash runway, revenue, and key performance indicators, known as KPIs. A KPI is a number you track on purpose, such as monthly recurring revenue or customer churn. Pick a few that match the decisions you face, not every metric your software can export. A short report that answers the investor's real questions beats a long one that buries them.
Both paths require clean books. Investors and due diligence reviewers, the people who check your records before a deal closes, will ask for them. If your bookkeeping is behind, accrued interest on a note or the share records from a round can take much longer to untangle than they should. Tools such as QuickBooks, NetSuite, or Sage Intacct can help, but the setup, the chart of accounts, and the monthly routine matter more than the brand name on the software.
A useful habit is a short monthly check. Record the note's accrued interest, compare the cap table with the latest share records, and confirm that the forecast reflects any new commitments. This check takes little time when it happens every month. It takes a lot of time when it happens once, in a rush, the week an investor asks for a full package of documents.
Who on your team handles each piece: CFO, controller, accountant, bookkeeper
Founders often use these job titles as if they meant the same thing. They do not. A bookkeeper records transactions as they happen. An accountant prepares tax filings and formal financial statements. A controller runs the monthly close, the process that makes the books final, and keeps the internal controls working. A chief financial officer (CFO) looks at those numbers and decides what the company should do next. Each role supports the others, and none of them replaces the rest.
- Bookkeeper: records daily transactions and matches each entry to the bank statement.
- Accountant: prepares tax returns and financial statements under accepted accounting rules.
- Controller: manages the monthly close, approvals, and internal controls.
- CFO: sets the financial plan, forecasts cash, and advises on funding and major decisions.
A fractional CFO is a senior finance leader who works for you part of the time, usually on a recurring schedule, instead of through a full-time executive role. Think of it as getting the CFO's judgment without a full executive payroll. A fractional CFO does not replace your bookkeeper or accountant. The work usually sits above theirs, and it depends on those people producing clean, timely records. If the records are weak, the best advisor in the world still has to spend the first months cleaning them up.
A fractional CFO also does not sign for the company, take on legal responsibility for your filings, or guarantee that an investor will say yes. Be cautious with anyone who promises a funding result. Good advisors describe their scope in writing and name what falls outside it, such as tax preparation or legal counsel. Ask for that list before you start. Clear boundaries prevent the common problem where everyone assumes someone else is handling the investor update.
The relationships matter most. Your CEO sets priorities, your accountant files the returns, your board expects reports, and your lawyer handles the documents. A fractional CFO connects those pieces. Ask early who owns the cap table, who prepares investor updates, who speaks to a lender, and who signs off on the forecast. Clear answers prevent duplicated work and surprises during due diligence.
How a fractional CFO helps you compare both paths before you sign
Before you agree to either structure, run the same model for both. A fractional CFO usually starts with your current cash balance, your monthly burn (the net amount of cash leaving the business each month), and your planned spending for the coming year. That base case shows how long the current cash lasts without new money. Every comparison after that starts from the same base, which keeps the decision honest.
Follow a routine in a set order. The steps are simple, but skipping one usually shows up later as a surprise.
- Write down how much money you need and why, such as payroll, inventory, or a product launch.
- Build a base-case cash forecast without the new money, then one with it under each structure.
- Model the note's conversion at a few hypothetical company values, including a low one.
- Model a priced round at the same values, and compare your ownership after closing.
- Review the results with your CEO, accountant, and attorney before you respond to a term sheet.
- Update the model each month after money arrives, and again whenever a term changes.
The timing of that review matters. Run the model when you first talk with investors, not after you have agreed to numbers in principle. Once a term sheet is in hand, you have less room to change the terms and less time to think. Founders who model early can ask better questions, such as what happens to the note holder if the next round prices low, and they walk into negotiations with a clear view of their own limits.

Ask your fractional CFO for specific deliverables: a cash forecast in a spreadsheet, a scenario summary for the board, and a list of open questions for your lawyer. Those outputs show whether the work is real. If the advisor cannot explain the model in plain English, or if the assumptions are hidden in formulas no one can read, treat that as a warning sign. You should be able to explain your own model to your board without help.
The model also shows when a fractional arrangement stops fitting. If the forecasting and reporting needs grow into a schedule that takes most of an executive's week, or if you need someone leading your finance staff every day, it may be time to consider a full-time executive. That decision depends on your workload, the complexity of your capital structure, and how much leadership your team needs, not on a fixed size threshold.
Which option fits your stage, size and industry
Your stage and industry change which option makes sense more than any general rule does. Think of the note and the round as two different tools. A small tool can fit a small job, and a large tool can fit a large job. Neither fits every job, and the best choice often depends on what the money has to do i need a part-time CFO in Massachusetts.
Early-stage startups
A young company with a small team often uses a convertible note because it is faster to document and avoids setting a value before there is much revenue to point to. The risk is stacking several notes, each with different discounts, caps, and maturity dates. That stack makes the eventual conversion hard to predict. Keep one table with every note's terms, and update it whenever a new note is signed.
Life sciences companies
Life sciences companies often need longer runways and larger amounts before revenue arrives, so priced rounds appear more often. Research costs and regulatory milestones create uneven cash needs. Your forecast should show the timing of those milestones, not only a monthly average. Ask whether a note's maturity date could fall before a key regulatory or clinical event, because a deadline that arrives at the wrong moment can force a weak negotiation.
Nonprofits
A nonprofit corporation does not issue shares to investors, so the convertible note versus priced round question usually does not apply in the same way. The comparable choices are loans, grants, and program-related financing. The lesson still carries over. Model the repayment terms, reporting requirements, and restrictions before you sign, and check with counsel on what your state and your bylaws allow.
Agencies and service firms
Agencies often have steady revenue but thin cash between client invoices, so cash forecasting matters more than valuation. Many owners raise a modest amount to smooth payroll rather than to fund a big expansion. In that case, the useful question is which option costs less in ownership while keeping payroll safe. A simple model answers that question quickly, and it often shows that the cash timing problem can be solved without giving up much equity.
Boston-area businesses face the same mechanics as companies elsewhere in the United States, but local networks shape how terms are discussed. Local attorneys, accountants, and investor groups often influence the terms you see. Ask owners who closed rounds recently in your industry what they wish they had modeled first. Their answers often reveal the gaps that a general article, or a general term sheet, will not show you.
The costliest mistake: signing a note without modeling its conversion
The most expensive mistake is signing a convertible note without modeling how it converts at more than one future price. Founders often treat the note as a small, friendly loan and forget that its conversion can reshape ownership. The problem usually appears at the next round, when the terms are already signed and the negotiation has moved on to the new investor's demands.
Imagine a hypothetical company that signs three notes over one year, each with its own discount and valuation cap. When a new investor sets a price, all three notes convert together. The founders discover that their combined stake is smaller than they expected, and no single note looked unreasonable on its own. The total is what changed the outcome, and nobody had added it up.
To avoid this, list every note in one table. Include the principal, the interest rate, the discount, the valuation cap, the maturity date, and any side letter. Then model conversion at a low, a middle, and a high company value. Ask your attorney to confirm how the document calculates the conversion, because small wording differences can change the result. No model guarantees a funding outcome, but a model shows you the range you are accepting.
Keep the same discipline for priced rounds. Check the liquidation preference, the board composition, and any anti-dilution terms before signing, not after closing. Anti-dilution protects investors if a later round prices lower than the earlier one. Those terms can matter as much as the headline valuation, especially when the company's next round is uncertain.
Bring the model to your CEO, accountant, and board, and update it whenever a term changes. A fractional CFO can keep that model current, but the decision stays with you and your team. If the answer is still unclear after modeling, that is a signal to slow down, not to sign faster.