What Disclosure Do Law Firms Owe a Client Who Was Referred for a Fee?

A client who gets referred to a law firm for a fee is often the last person told that money changed hands. That’s backward, and it’s also not what the rules actually require. When a referral fee sits behind an introduction, the client has specific things they’re owed to know, not just a vague sense that “someone recommended this firm.”

This guide answers the question directly: what disclosure does a law firm actually owe a client who arrived through a paid referral? It covers what the client must be told about who’s handling the case, how any fee divides between lawyers, and why the referral can’t add to what the client pays. It’s written for referring professionals, receiving firms, and clients who want to know what the rules actually promise them.

Referral Fees for Lawyers, Tax Advisors, and Consultants: What’s Actually Legal

What Disclosure Does Rule 1.5(e) Actually Require?

ABA Model Rule 1.5(e) requires that the client agree to a lawyer-to-lawyer fee division in writing, and that the agreement include the share each lawyer will receive. In 2026, this remains the core disclosure obligation whenever a referred client’s fee is split between two law firms.

The rule’s text sets a low floor in one sense and a strict one in another. It doesn’t require a lengthy legal filing, just written client agreement. But it does require the agreement to be specific: the client has to actually know and confirm the division, not just sign a document that mentions co-counsel exists somewhere in the background.

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In the referral relationships we’ve observed, the disclosure gap rarely comes from bad faith. It comes from firms treating the engagement letter’s boilerplate “additional counsel may be involved” clause as if it satisfies Rule 1.5(e). It doesn’t. The rule expects the client to know which lawyers are involved and what share each one gets, not just that a split might exist somewhere in the arrangement.

Does the Rule Require the Exact Dollar Amount?

The rule requires disclosure of each lawyer’s share of the fee, which most firms express as a percentage rather than a fixed dollar figure, since the total fee isn’t always known upfront. A percentage-based disclosure, like “Firm A receives 30% and Firm B receives 70% of the total fee,” generally satisfies the rule even before the final bill is calculated.

Who Must the Client Be Told Is Handling Their Case?

The client must know the identity of every lawyer sharing responsibility for the fee, because Rule 1.5(e) consent is tied to named lawyers, not to an anonymous referral network or platform. A client who only knows “a specialist will help with this” hasn’t received the disclosure the rule requires.

This matters beyond paperwork. A client choosing a lawyer is making a decision based on trust in that specific person’s judgment and competence. If a second lawyer is added to the matter through a fee-sharing referral, the client’s original decision was made without knowing who else would actually be working on their case, unless that information gets disclosed clearly and early.

We’ve seen cross-border referral matters where the client met the first lawyer, signed the engagement letter, and only learned weeks later that a second firm in another country was doing most of the substantive work. That’s not a Rule 1.5(e) problem in every case, since joint responsibility can justify a split without the referring lawyer doing equal work. But it is a disclosure problem if the client never got named, in writing, both lawyers who’d share the fee before the arrangement took effect.

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How Does the Fee Actually Divide Between the Referring and Receiving Lawyer?

The fee divides based on one of two disclosed methods: proportional to the work each lawyer performs, or based on joint responsibility for the entire representation, as set out in ABA Model Rule 1.5(e). The client must be told which basis applies and the specific share tied to it.

Proportional-to-work division ties the split to actual tasks or hours performed on the matter, often tracked through time entries. Joint responsibility works differently: it lets a referring lawyer take a share of the fee by accepting shared ethical and financial responsibility for the whole matter, even without doing equal legal work, provided the referring lawyer stays genuinely involved rather than stepping away after the introduction.

Across the cross-border legal referral relationships we’ve tracked on the MezAgent platform, matters where the client’s written consent specified the exact division basis, proportional work or joint responsibility, generated far fewer client questions mid-matter than those where the consent document just referenced “a fee-sharing arrangement” in general terms. We haven’t run this as a controlled study and the sample isn’t large enough to generalize broadly, but the pattern has repeated consistently enough that we now flag vague division language as a real risk during referral setup.

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What Happens If the Referring Lawyer Does No Work at All?

A referring lawyer who does no legal work and accepts no joint responsibility isn’t entitled to a fee split under Rule 1.5(e), full stop. That arrangement looks like a pure referral fee rather than a fee division, and it raises the separate compliance questions addressed by Rules 5.4 and 7.2(b) instead.

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Does a Referral Fee Increase What the Client Pays?

No, a compliant fee division cannot increase the client’s total cost. Rule 1.5(e) explicitly conditions any lawyer-to-lawyer fee split on the combined fee staying reasonable under ABA Model Rule 1.5(a), meaning the split is carved out of one reasonable fee rather than stacked on top of it.

This is one of the most important things a client is owed to hear plainly: the referral doesn’t cost them extra. The two (or more) lawyers are dividing a single fee that would need to be reasonable regardless of how many lawyers are involved. A firm that tells a client “there’s an additional referral charge” on top of the normal fee has likely misrepresented how the arrangement actually works, or structured it incorrectly.

We’ve fielded questions from referred clients who assumed, understandably, that involving a second law firm must mean paying two full fees. That’s a reasonable worry, and it’s also usually wrong when the arrangement is structured correctly. Part of clear disclosure, in our experience, is a firm proactively saying “this division doesn’t change your total cost” rather than waiting for the client to ask and worry in the meantime.

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When Must the Client Receive This Disclosure?

Disclosure must happen before or at the time the fee-division arrangement takes effect, not after the matter concludes or settles. A client who learns about a referral fee split only at final billing has been deprived of the chance to ask questions, object, or seek different counsel while it still mattered.

Timing is where a lot of otherwise well-intentioned firms slip. The referral conversation happens between the two lawyers first, sometimes weeks before the client engagement letter is even drafted, and the client-facing consent document gets treated as a formality to slot in later. By the time it’s presented, the client may feel there’s little practical choice left but to sign.

Something we’ve noticed across the referral relationships tracked on cross-border legal networks: the firms with the cleanest compliance record present the fee-division disclosure at the very first client meeting, before the engagement letter is even finalized. Firms that treat it as a late-stage addendum tend to have the messiest paper trail if a bar inquiry ever asks when consent was actually obtained.

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Can Consent Be Given Verbally Instead of in Writing?

No. Rule 1.5(e) specifically requires the client’s agreement to the fee division to be confirmed in writing, not just discussed verbally. A firm relying on a verbal conversation alone, even a thorough one, hasn’t met the rule’s written-consent requirement and would struggle to prove consent existed if it were ever challenged.

Disclosure Rules When the Referral Came From a Non-Lawyer

A referral from a non-lawyer, such as a CPA, wealth manager, or consultant, is governed by a different rule entirely: ABA Model Rule 7.2(b), which permits nonexclusive reciprocal referral arrangements only if the client is informed of the relationship’s existence. This is a lighter disclosure standard than Rule 1.5(e), but it’s still mandatory.

Rule 7.2(b) doesn’t require the same share-of-fee disclosure Rule 1.5(e) does, because the non-lawyer generally isn’t receiving a cut of the legal fee at all under a compliant structure. Instead, the client needs to know that a referral relationship exists between the lawyer and the referring professional, so the client can weigh whether that relationship might have influenced the recommendation.

We’ve had clients ask us directly why the disclosure they received from a law firm looked different from the disclosure their CPA gave them for the same referral. The answer is simply that two different rules apply to two different relationships. A law firm’s obligation under Rule 7.2(b) covers telling the client the referral relationship exists; the CPA’s obligation under the AICPA Code covers disclosing whether a fee changed hands. Both matter, and neither substitutes for the other.

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Disclosure Elements Compared by Referral Type

The table below compares the disclosure a client is owed depending on whether the referral involves two lawyers or a non-lawyer referral source, since the two situations fall under different rules with different requirements.

Fee split between two lawyers — Governing Rule: ABA Model Rule 1.5(e); What the Client Must Be Told: Identity of each lawyer, the division basis, and each lawyer’s exact share; Form Required: Written, confirmed by client.

Referral from a non-lawyer professional — Governing Rule: ABA Model Rule 7.2(b); What the Client Must Be Told: That a referral relationship exists between the lawyer and the referring party; Form Required: Disclosed to client, form not strictly specified.

Joint responsibility fee division — Governing Rule: ABA Model Rule 1.5(e); What the Client Must Be Told: That the referring lawyer accepts ongoing responsibility, not just a one-time introduction; Form Required: Written, confirmed by client.

Cross-border co-counsel arrangement — Governing Rule: Stricter of the two jurisdictions’ rules; What the Client Must Be Told: All of the above, plus which jurisdiction’s standard governs the arrangement; Form Required: Written, in the client’s working language.

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Cross-Border Referral Disclosure and the Client’s Rights

Cross-border referral disclosure has to satisfy the stricter of the two jurisdictions involved, since a client’s rights under a US lawyer’s Rule 1.5(e) obligations don’t shrink just because a second lawyer is licensed abroad under a more permissive local rule. A US firm referring a client to counsel overseas needs to give that client the same specificity Rule 1.5(e) requires domestically.

This gets more complicated in practice than it sounds, because the client, the referring lawyer, and the receiving lawyer may not share a first language, and a written consent addendum drafted only in English may not actually communicate anything to a client who reads a different language fluently. Genuine disclosure means the client actually understands what they’re consenting to, not just that a document exists with their signature on it.

A pattern we’ve seen repeatedly in cross-border referral matters: firms translate the main engagement letter carefully but treat the fee-division consent addendum as an afterthought, sometimes leaving it in the referring lawyer’s language only. That’s a real disclosure gap, not just a paperwork inconvenience, since the client arguably never received the specific consent Rule 1.5(e) requires in a form they could understand.

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The Consequences of Skipping Required Disclosure

A firm that skips required disclosure risks bar discipline, and the fee-division agreement itself may become unenforceable between the lawyers involved. Some courts have gone further, reducing or denying a referring lawyer’s fee entirely when the client never gave the informed written consent Rule 1.5(e) requires, regardless of how much work that lawyer actually performed.

This is a meaningful financial risk for the referring lawyer specifically, not just a technical compliance problem. A lawyer who did real work on a matter but skipped proper client consent can end up with no enforceable claim to their agreed share, since courts generally won’t enforce a fee-splitting arrangement the client never validly consented to.

We’ve seen referring lawyers assume that as long as the receiving firm eventually mentions the arrangement to the client somewhere, they’re covered. That assumption is risky. If the specific disclosure Rule 1.5(e) requires, naming both lawyers and the share, never reaches the client in writing before the fee division takes effect, the referring lawyer’s own claim to their share is what’s actually exposed, not just an abstract compliance rule.