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Finder's Fee and Capital-Raise Fee Disputes: Demand Letters That Get Paid

You made the introduction, the investment closed, and now the company is stalling, renegotiating, or claiming your agreement is unenforceable. How intermediaries, advisors, and consultants build a fee demand that anticipates the standard defenses instead of walking into them.

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Sergei Tokmakov, Esq., California Business Attorney
CA Bar #279869 ↗
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Describe your fee dispute and I will tell you your options, leverage, and the next step
At Closing
When the fee accrues
3 Moves
The payor playbook
Section 29(b)
The void-contract attack
Quantum Meruit
Backup theory
10% Interest
CA rate when contract silent

A finder's fee or capital-raise success fee is structurally different from a normal service invoice, and so is the fight over it. With an ordinary unpaid B2B invoice, the client still needs you, or at least needs vendors like you, and reputation pressure does some of the work. A success fee inverts that. Your entire value was delivered the moment the wire hit the company's account. The instant the round closes, the company has everything it wanted from you and you have nothing left to withhold. Your leverage does not erode over time; it falls off a cliff on closing day.

Companies that decide not to pay rarely just say no. In my experience the resistance follows a predictable three-move sequence:

⏳ Move 1: Stall after the close

"Finance is processing it." "The board has to approve outside payments." "We will true it up after the next tranche." Weeks become months, and every month of silence makes the claim feel staler.

✂️ Move 2: Renegotiate retroactively

Once the money has landed, the company offers a fraction of the agreed fee: the round was smaller than planned, other people also helped, cash is tight post-closing. The agreed percentage quietly becomes an opening bid.

⚖ Move 3: Attack enforceability

When stalling and discounting fail, counsel appears and asserts the agreement is void or unenforceable, most often on the theory that you acted as an unregistered broker-dealer. This is the move the entire demand letter must be built around.

Each move exploits a real weakness in the typical claimant's position: the work is invisible in hindsight (one introduction, a few calls, some emails), the agreement is often informal or partly in email, and the legal backdrop genuinely is complicated. A generic "pay my invoice" letter ignores all of that and gives the payor an easy path to move three. A well-built demand does the opposite: it locks down the record, states a precise number with interest, and shows the payor that the enforceability fight has already been analyzed and priced before the first letter went out.

This guide covers the analysis in the order I run it: the broker-dealer issue first, then the evidence file, then the structure of the demand itself, then what actually happens after the letter goes out. The same framework applies whether the deal was an equity round, a SAFE or convertible-note raise, or debt placement, and whether your agreement says finder, advisor, consultant, or introducer; what controls is what you actually did and how the compensation was structured, not the label on the contract.

Almost every contested finder's fee dispute eventually arrives at the same place. The company, or its counsel, asserts that because the fee was tied to a securities transaction (an investment in the company is a purchase of securities), the person claiming the fee was acting as an unregistered broker, so the fee agreement itself is unenforceable. You must run this analysis on your own claim before sending anything, because the demand letter you write looks completely different depending on the answer.

The two statutes the defense is built on

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Securities Exchange Act Section 15(a): 15 U.S.C. § 78o

Section 15(a)(1) makes it "unlawful for any broker or dealer ... to make use of the mails or any means or instrumentality of interstate commerce to effect any transactions in, or to induce or attempt to induce the purchase or sale of, any security" unless the broker or dealer is registered. A "broker" is, broadly, a person engaged in the business of effecting securities transactions for the account of others. Whether a particular intermediary crossed from making introductions into "effecting transactions" is exactly the question the defense puts in play.

Securities Exchange Act Section 29(b): 15 U.S.C. § 78cc

Section 29(b) provides that "[e]very contract made in violation of any provision of this chapter or of any rule or regulation thereunder ... shall be void" as to the rights of the violating party. This is the enforcement teeth behind the defense: the company argues that if the finder should have been registered and was not, the fee agreement is void and the company owes nothing under it. State securities laws frequently contain their own registration requirements and remedies on top of the federal layer.

The risk factors every claimant must score honestly

Regulators and courts look at conduct, not labels. Before demanding, score your own file on the factors that matter most:

  • Transaction-based compensation. A fee calculated as a percentage of money actually raised is the single heaviest factor pointing toward broker activity. A flat fee payable regardless of outcome sits very differently from a pure success fee.
  • What you actually did. A bare introduction followed by stepping back is one thing. Negotiating valuation or terms, advising the investor on the merits, soliciting investors repeatedly, distributing offering materials, or handling investor funds all push the activity toward "effecting transactions."
  • Pattern and regularity. A one-time introduction by an industry insider looks different from someone who raises capital for companies as a business line.
  • State overlays. Some states maintain limited finder registration or exemption regimes with strict conditions; whether one applies, and whether its conditions were actually met, is a state-by-state question.

To be clear about what this page is not saying: I am not telling you that your arrangement was lawful, and I am not telling you it was unlawful. That conclusion requires the actual documents and the actual conduct history, and reasonable lawyers fight about these facts constantly. The point is narrower and more practical: this risk analysis must happen before the demand goes out, because it dictates the letter's legal theories, its tone, and even its vocabulary.

How a well-built demand structures around the defense

  • Lead with the contract and the services actually rendered. The letter frames the claim on the agreement the company signed and the concrete work performed: the introduction, the meetings arranged, the diligence support, the advisory deliverables. It describes that work accurately and carefully, in the claimant's strongest honest terms.
  • Plead in the alternative from day one. Strong fee demands rarely rest on a single theory. Alongside breach of contract, the same facts typically support quantum meruit (the reasonable value of services the company accepted) and account stated (invoices received and acknowledged without objection). If the payor attacks the written agreement, the alternative theories are already on the table rather than improvised later.
  • Use the payor's own conduct. Emails confirming the fee, a partial payment, a request to defer payment until after closing, even the attempt to renegotiate the number all tend to show the company recognized the obligation and retained the benefit. A company that engaged the intermediary, accepted the investor, and kept the money is poorly positioned to act shocked by its own contract.
  • Watch your own vocabulary. A demand letter that boasts "I sold your investors on the deal and negotiated the terms" hands the company its defense in writing. Precision about what you did is not spin; it is scope control.

⚠ Do not send the generic template here

This is the one category of fee dispute where a sloppy demand letter can be worse than no letter. An overwritten description of your role becomes Exhibit A for the unenforceability defense, and an aggressive letter that overstates the legal position invites a declaratory-judgment response instead of a settlement call. Run the risk analysis first, then write to it.

Want me to run this analysis and draft the demand?
5-7 questions. Turnaround is usually 3-5 business days after I receive the necessary documents; rush may be available.

Fee disputes are won on paper trails. Before drafting anything, assemble the file below. The same documents that prove the claim also feed the broker-dealer risk analysis, so gather everything, including the items that cut against you.

📄 The fee agreement itself

  • Signed finder, advisory, or consulting agreement
  • Email exchanges stating the percentage and trigger
  • Amendments, extensions, or tail provisions
  • The dispute-resolution and governing-law clauses

🤝 The introduction trail

  • The first introduction email or message
  • Calendar invites and meeting follow-ups
  • Threads showing you connected investor and company
  • Anything showing the investor was not already known to the company

💰 Proof the investment landed

  • Closing announcements or press releases
  • Public securities filings disclosing the raise
  • Term sheets, closing docs, or cap-table references you received
  • Statements by the company about the amount closed

📩 Invoices and demands to date

  • Every invoice you sent, with dates and terms
  • Delivery confirmations or read receipts
  • Your follow-up emails and the responses
  • Any partial payments received

💬 Payor acknowledgments

  • Emails or texts confirming the fee or the percentage
  • "We will pay you after closing" messages
  • The renegotiation offer itself (it acknowledges the obligation)
  • Internal praise: thank-you notes, investor-update mentions

🔍 Your scope-of-work record

  • What you actually did, dated: intros, calls, materials
  • Advisory deliverables separate from the raise itself
  • Evidence of who negotiated terms (ideally, not you)
  • Anything touching investor funds or offering materials (risk-score it)

🔒 Preserve everything now, including the bad facts

Export the email threads, screenshot the texts, and back it all up before relationships sour further. Gather the unhelpful documents too: the message where you described yourself loosely, the draft where the percentage changed. Your lawyer needs to see the whole record to position the demand correctly, because the other side's counsel will certainly have their half of it.

A fee demand earns a response when it reads like the first filing of a case the claimant is prepared to bring, not like a frustrated collection email. Four elements do that work.

1. An exact number, shown line by line

Vague demands invite vague responses. Apply the contract formula and show the arithmetic: the percentage, the base it applies to, and the result. Be deliberate about the base, because this is where payors chip away: gross amount closed versus net of expenses, the whole round versus only the capital traceable to your introduction, cash received at closing versus committed tranches, and any tail clause covering follow-on investments from the same investor. If the agreement is ambiguous, calculate the strongest supportable reading and say why it is the correct one.

2. Interest, running and growing

Interest converts stalling from a free option into a cost. If the agreement states a rate, that rate keeps running after breach (California Civil Code section 3289(a)). If a California-law contract entered into after January 1, 1986 is silent on the rate, the obligation bears interest at 10 percent per annum after breach under Civil Code section 3289(b). On a six-figure fee, a year of stalling is real money, and the letter should show the per-day figure so the payor watches the number tick up.

📊 Illustrative fee calculation

Example only: a 5 percent fee on $2,000,000 actually closed from the introduced investor, California-law contract silent on interest, paid 9 months late.

Success fee (5% × $2,000,000)$100,000
Prejudgment interest (10% per annum × 9 months)$7,500
Interest accruing per additional day~$27.40
TOTAL DEMAND (and growing)$107,500

3. A real deadline

Ten to fourteen days is typical. The deadline matters less than what the letter says happens after it: a specific next step in a specific forum, not "I will consider my options."

4. The forum the contract actually requires

Finder and advisory agreements very often contain arbitration clauses, and many specify the forum, the seat, the rules, and who advances costs. Read the dispute-resolution clause before drafting, because the escalation threat must track it. Threatening a lawsuit when the contract compels arbitration signals that the claimant has not read their own agreement; stating that an arbitration demand under the named rules is prepared and ready for filing signals the opposite. Fee-shifting clauses matter just as much: if the agreement awards attorney fees to the prevailing party, the letter should say so and make the payor price that exposure. The structure here parallels what I do in California breach-of-contract demands generally, adapted to the securities-adjacent context.

Leverage framing that works (and the line not to cross)

Legitimate leverage in these disputes is mostly about the company's future, not its past: an unresolved, documented fee claim is a contingent liability that surfaces in the next round's diligence, in audited financials, and in warranty disclosures to acquirers. A company planning to raise again has a concrete reason to clear a credible claim cheaply and quietly. That framing is fair game. What is not fair game is threatening regulatory complaints or criminal referral to extract a civil payment; that move can expose the sender to serious claims of its own and can destroy the negotiating posture. Keep the letter on the money, the contract, and the forum.

Fee Calculation Paragraph
Under Section [X] of the [Agreement name] dated [DATE], [Company] agreed to pay a fee of [X]% of the capital invested by parties introduced by [Claimant], due at closing. On [CLOSING DATE], [Investor], a party first introduced to the Company by [Claimant] on [INTRO DATE], invested [$AMOUNT]. The fee due is therefore [$FEE]. The Agreement [states an interest rate of X% / is silent as to interest, and the obligation accordingly bears interest at 10 percent per annum from the date of breach under California Civil Code section 3289(b)]. As of the date of this letter, accrued interest totals [$INTEREST], and interest continues to accrue at [$PER-DAY AMOUNT] per day.
Demand & Forum Paragraph
Demand is hereby made for payment of [$TOTAL], comprising the fee due and accrued interest, within [14] days of the date of this letter, by no later than [DEADLINE DATE]. If payment is not received by that date, [Claimant] will pursue the remedies provided in Section [Y] of the Agreement, including [initiating arbitration before [forum] under its [rules] / filing suit in [court]], and will seek the full fee, prejudgment interest, and [attorney fees and costs as provided in Section [Z] of the Agreement]. This letter is not a complete statement of facts or claims, and all rights and remedies are expressly reserved.

Three things happen after a fee demand goes out, and a claimant should know in advance what each one triggers.

Response 1: Payment

Full immediate payment is the least common outcome, but prompt payment of a negotiated number is realistic when the letter is credible and the company has reasons to keep its record clean. Before accepting anything, get the settlement terms in writing: the amount, the payment date, and a release whose scope you have actually read. Watch for releases that sweep in claims you did not intend to give up, and for checks tendered as "full and final payment" of a disputed amount, which can have legal consequences beyond their face value if cashed.

Response 2: Negotiation

The most common serious response is a counteroffer, often paired with a recitation of the enforceability defense as justification for the discount. Expect it and decide your floor before the letter goes out, factoring in the strength of your broker-dealer risk analysis, the cost and speed of the contractual forum, fee-shifting exposure on both sides, and collectability. A discounted certain payment this quarter is sometimes worth more than a stronger claim litigated for two years; sometimes it is not. That judgment is case-specific, and it is exactly what the analysis earlier on this page feeds into. If the back-and-forth develops into multiple rounds, that is a different phase of work than the letter itself; my demand letter service page describes where the letter ends and negotiation-phase work begins.

Response 3: Silence

Silence is information. A company that ignores a documented, attorney-signed fee demand with a stated forum has usually decided to bet that you will not actually file. The escalation ladder from there:

  1. One follow-up, not five. A single short follow-up confirming the deadline passed and the next step is being prepared. Repeated unanswered letters teach the payor that deadlines are decorative.
  2. Make the filing visible. A prepared arbitration demand or draft complaint attached to a final transmittal changes the company's calculus, because legal exposure now has a document attached, with names, claims, and a filing-ready caption. This is exactly what my $1,200 Litigation-Leverage Demand Package is built for: the draft pleading is prepared and attached as settlement leverage, not filed automatically.
  3. File in the contractual forum. Initiating arbitration or litigation is a separate engagement, quoted separately, and the economics deserve sober analysis first: filing fees and arbitrator compensation, the realistic timeline, fee-shifting, and whether the company can pay a judgment. For modest fees, small claims court can be a rational forum despite its limits.
  4. Mind the clock. Limitations periods for contract claims vary by state and by whether the agreement is written or oral, and some contracts shorten the window for bringing claims. Stalling is not only a negotiation tactic; it is sometimes a limitations strategy. Date the breach, calendar the deadline, and do not let move one of the playbook run it out.

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Prior results do not guarantee a similar outcome. Turnaround is usually 3-5 business days after I receive the necessary documents; rush may be available.

Frequently asked questions

It depends on the facts, and this is the single question to analyze before sending any demand. Section 15(a) of the Securities Exchange Act (15 U.S.C. 78o) makes it unlawful for an unregistered broker or dealer to use interstate commerce to effect securities transactions, and Section 29(b) (15 U.S.C. 78cc) provides that contracts made in violation of the Act shall be void. Companies facing fee demands routinely invoke these provisions to argue the finder agreement is unenforceable. Whether the defense actually fits depends on what you did: a limited introduction is analyzed very differently from negotiating deal terms, advising on valuation, or handling investor funds, and how the compensation was structured matters as well. No one should assume the defense wins or loses without a fact-specific risk analysis.

Not automatically. A unilateral after-the-fact price cut is not a contract amendment; an existing fee obligation generally cannot be reduced just because the payor announces a new number once the money has landed. Watch for two traps: cashing a check marked as full and final payment can support an accord and satisfaction argument in some circumstances, and continuing to negotiate without reserving rights can muddy the record. The renegotiation attempt itself is often useful evidence, because a company rarely tries to talk a fee down to a number unless it recognizes the underlying obligation.

Start with the contract formula: the stated percentage applied to the defined base, then confirm what the base actually includes, such as whether it is the gross amount closed, only the capital you sourced, cash at closing versus tranches, and whether any tail period covers later investments from the same introduction. Then add interest. Under California Civil Code section 3289, a contractual interest rate keeps running after breach, and if a contract entered into after January 1, 1986 is silent on the rate, the obligation bears interest at 10 percent per annum after breach. State the calculation in the demand letter line by line so the payor sees the number growing while it stalls.

In most fee disputes a demand letter comes first, even when the agreement contains an arbitration clause. The letter is faster and cheaper than filing, it creates a written record of the claim and the payor's response, and it often resolves the matter before fees and filing costs stack up. The exceptions are deadline pressure, such as a limitations period or a contractual claim window about to run, or a payor that has already lawyered up and refused in writing. Either way, read the dispute-resolution clause before sending anything: the demand should track the forum the contract actually requires so the escalation threat is credible rather than empty.

An unsigned agreement is not the end of the claim. Email exchanges that state the percentage and the trigger, conduct showing both sides performed, invoices the payor received without objection, and acknowledgments like a promise to pay after closing can support contract, quantum meruit, or account stated theories depending on the facts. The evidence trail matters more than the signature block, which is why the first step is assembling the introduction trail and every payor acknowledgment before drafting the demand.

Owed a fee on money you brought in?

I am Sergei Tokmakov, a California attorney (CA Bar #279869, licensed since 2011). Send me the fee agreement, the introduction trail, and proof the round closed. I run the enforceability risk analysis first, then build the demand around it. Turnaround is usually 3-5 business days after I receive the necessary documents; rush may be available.

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