Dividing a Fee Between Lawyers in Different Firms
Referral arrangements between firms are ordinary and lawful, and the conditions attached to them are frequently ignored. The model rule sets three, and the one about the client's written agreement is the one that fails most often.

The rule in short
A division of a fee between lawyers who are not in the same firm is permitted only if the division is in proportion to the services each performed, or each lawyer assumes joint responsibility for the representation; the client agrees to the arrangement, including the share each lawyer will receive, and the agreement is confirmed in writing; and the total fee is reasonable. Lawyers in the same firm are not subject to the rule, and sharing fees with non-lawyers is separately prohibited.
A case moves from one firm to another, or two firms work it together, and one fee has to be split between them. The model rule permits this and attaches three conditions. Each is straightforward on its own, and the arrangement fails if any one is missing, which is more often a paperwork failure than a disagreement about the money.
Which arrangements the rule governs
The rule applies to a division of a fee between lawyers who are not in the same firm. Lawyers within one firm divide receipts however their partnership agreement provides, and no client consent is involved. The distinction turns on the defined meaning of firm, which reaches beyond a partnership to include lawyers in a legal services organization or a legal department, and which can be affected by how lawyers hold themselves out.
Office-sharing arrangements sit awkwardly here. Lawyers who share space, a receptionist and letterhead but practice separately may be treated as a firm for some purposes and not for others, and the answer affects both this rule and the imputation of conflicts. Where the question is close, the safer course is to comply with the division requirements rather than to argue afterwards that none applied.
Proportionality or joint responsibility
The first condition offers two routes. The division may be in proportion to the services performed by each lawyer, which is the ordinary co-counsel arrangement where each firm takes a share reflecting its contribution. Or each lawyer may assume joint responsibility for the representation, which is what makes a referral fee possible for a lawyer who will do no substantive work.
Joint responsibility is not a label. The comment explains it as financial and ethical responsibility for the representation as if the lawyers were associated in a partnership. That imports exposure for the handling firm's errors and the supervisory obligations that a partner owes, which means a referring lawyer who assumes it should be receiving reports, reviewing significant decisions, and remaining reachable by the client.
The joint responsibility route is the model rule's answer, not a national one. Some states require that the referring lawyer actually perform services. Some cap the referring lawyer's share as a percentage of the total. Some require the referring lawyer's continuing availability to the client to be stated in the writing. A firm that takes referrals across state lines has to check the rule in the state whose disciplinary authority governs the matter.
The client's agreement, and what must be disclosed
The second condition is the one most often mishandled. The client must agree to the arrangement, including the share each lawyer will receive, and the agreement must be confirmed in writing. Three elements are packed into that sentence: agreement, disclosure of the actual shares, and a writing.
Disclosure of the share means the numbers, not the existence of a split. A letter telling the client that another firm is involved and will be compensated does not satisfy the rule. Nor does a clause buried in a retainer authorizing the firm to associate counsel as it sees fit. The client is entitled to know what proportion of the fee each lawyer takes, because that is the information relevant to deciding whether to agree.
The writing may confirm an agreement obtained orally, in line with the general definition of confirmed in writing. What matters is that the confirmation follows within a reasonable time and records what the client actually agreed to. Obtaining the agreement after the recovery has arrived is not a confirmation of anything.
| Arrangement | Basis permitted | What the client must be told |
|---|---|---|
| Co-counsel, both firms working the case | Proportional to services performed | The arrangement and each firm's share, confirmed in writing |
| Referral, receiving firm does all the work | Joint responsibility assumed by the referring lawyer | The same, plus that the referring lawyer remains responsible |
| Successor counsel after the first firm withdraws | Proportional, or resolved as a quantum meruit claim | The arrangement, where both will be paid from one recovery |
| Lawyers within the same firm | Internal, governed by the partnership arrangement | Nothing; the division rule does not apply |
| Payment to a non-lawyer for a client referral | Generally prohibited | Not applicable; the arrangement is not permitted |
The total must still be reasonable
The third condition is a check on the whole. The total fee must be reasonable, measured against the same factors that govern any fee. Dividing a fee among more lawyers does not justify charging more, and a client should not pay a premium for the involvement of a firm that added nothing.
The reasonableness inquiry also looks at what the arrangement produced for the client. Where associating a second firm brought specialized capability the first firm lacked, the division is easy to defend. Where the second firm duplicated work already performed, the total can be unreasonable even though each firm's own hours were properly recorded. The client pays one fee for one matter, and the rule measures that fee as a whole rather than as the sum of two independent calculations.
In contingent matters this interacts with the requirements that a contingent fee agreement be signed and state its terms. Two writings are needed in a referred contingent case: the client's contingency agreement and the client's agreement to the division. They are frequently combined in one document, which is efficient and lawful provided each requirement is actually satisfied.
The money, the conflicts and the exit
A divided fee is paid from a recovery held in trust, and the trust rules apply in full to the portion owed to the other firm. Prompt notice, prompt delivery of undisputed amounts and segregation of anything in dispute all follow from the safekeeping obligations attached to client funds. A dispute between the two firms over the split does not entitle either to hold the client's share.
Two other rules press on these arrangements. Associating another firm brings that firm's conflicts into the matter, so a division agreement should follow a conflicts check rather than precede it, on the same footing as any former client conflict analysis. And a lawyer who assumes joint responsibility and then wishes to step away cannot simply stop answering: departure is governed by the rule on terminating a representation, which treats the referring lawyer as counsel to the client rather than as a party to a private arrangement between firms.
Points to carry away
- The rule applies only to lawyers who are not in the same firm; internal splits are unregulated by it.
- The division must be proportional to services performed, or each lawyer must assume joint responsibility.
- Joint responsibility means financial and ethical responsibility for the matter as if the lawyers were partners.
- The client must agree to the arrangement, including the share each lawyer receives, and the agreement must be confirmed in writing.
- The total fee charged must still be reasonable; dividing it cannot enlarge it.
- Sharing legal fees with a non-lawyer is prohibited by a separate rule, subject to narrow exceptions.
Questions readers ask
Is a pure referral fee permitted, where the referring lawyer does no work?
Under the model rule, yes, but only through the joint responsibility route. A lawyer who performs no services cannot satisfy the proportionality test, so the arrangement must rest on that lawyer assuming joint responsibility for the representation, with the financial and ethical exposure that implies. Several states have kept a stricter position and require that the referring lawyer perform services or that the division be proportional regardless. Others allow a referral fee on lighter conditions. This is one of the widest points of divergence among adopted rules.
What does joint responsibility actually expose a lawyer to?
It means responsibility for the representation as if the lawyers were partners in a single firm. Financially, that includes exposure for a malpractice claim arising from the other lawyer's handling of the matter. Ethically, it includes the supervisory obligations a partner owes, so a referring lawyer who assumes joint responsibility and then hears nothing for two years has not discharged the duty. Lawyers who treat the phrase as a formality that unlocks a payment misunderstand what they have agreed to, and insurers read it the same way courts do.
Can a firm pay a non-lawyer for sending clients?
Generally no. A separate rule prohibits sharing legal fees with a non-lawyer, subject to narrow exceptions such as payments to the estate of a deceased lawyer, purchase of a practice from a deceased or disabled lawyer's representative, and compensation or retirement plans based on a profit-sharing arrangement. A lawyer may pay the reasonable costs of advertising and the usual charges of a legal service plan or a qualified lawyer referral service, but that is payment for a service rather than a share of a fee.
Sources
- ABA Model Rules of Professional Conduct — Rule 1.5, FeesSets the three conditions for a division of a fee between lawyers not in the same firm.
- ABA Model Rules — Comment on Rule 1.5Explains joint responsibility and the expectation that the client agree to the arrangement in writing.
- ABA Model Rules — Rule 5.4, Professional Independence of a LawyerProhibits sharing legal fees with a non-lawyer and lists the narrow exceptions.
- ABA Model Rules — Rule 1.0, TerminologyDefines firm and confirmed in writing, both of which control how the division rule operates.
- ABA Model Rules — Rule 5.1, Responsibilities of a Partner, Manager and Supervisory LawyerThe supervisory duties a lawyer assumes when taking joint responsibility for a matter.
- ABA Model Rules — Rule 7.2, Communications Concerning a Lawyer's ServicesGoverns what a lawyer may pay for recommending services, including referral service charges.
- The Florida Bar — Rules Regulating The Florida BarAn adopted text imposing state-specific limits on the size and disclosure of a divided fee.
Justice Partners Journal is a publication, not a law firm. This article states general rules and cites its sources; it is not advice about any particular case, and the law differs by state and changes over time.


