California Business Attorney

Demand & Cease-and-Desist Letters for Disputes With a CPA or Accountant

Whether a preparer is billing you for work that was never finished, contacting your clients to collect a debt they never agreed to, or made a costly error, an attorney letter resets the conversation. I also represent CPAs and bookkeeping firms on the other side of these disputes, collecting unpaid fees.

$575 flat feeDrafted, signed & mailedBoth sides of the disputeCal. Bar #279869
Sergei Tokmakov, Esq.
Sergei Tokmakov, Esq.
California Bar #279869 · 15+ years business & professional-services disputes

Which side of the dispute are you on?

These disputes run in both directions. Pick the one that fits and jump to it.

You hired the accountant

A CPA or accountant is coming after you

They are demanding a fee you do not think you owe, billing for work that was never completed, contacting your clients directly, or made an error that cost you money. You want it to stop and you want it in writing.

See your options ›
You are the accountant

A client will not pay your invoice

You are a CPA, bookkeeper, or accounting firm and a client has gone silent on an unpaid invoice, or is using a complaint or subpoena to avoid paying. You want the fee collected, or a clean record for write-off.

Collect your fees ›

Disputing a CPA's fee demand

The most common version: you brought in a preparer informally, the work was never finished or someone else did it, and now you are getting a bill for the full amount.

The key point on "no signed engagement." A written engagement letter is not strictly required for an accountant to claim payment, but its absence works in your favor. Without signed terms, the preparer can usually recover only the reasonable value of work actually performed (quantum meruit), and the burden is on them to prove what they did and what it was worth. They cannot charge full price for a service that was never completed or that another preparer already filed.
Where your position usually lands
Strong pushbackMixedYou may owe
Engagement proof
Nothing signed, no clear scope
Emails but no signed terms
Signed engagement letter
Work completed
Never rendered, or another preparer did it
Partially done
Fully delivered and used
Who they bill
Dunning your clients who never hired them
Mixed contacts
Billing only you, the real contact
Your paper trail
You said "leave it" in writing
Phone calls only
You confirmed the charge
Do not just ignore the invoice. Silence can later be argued as an "account stated," meaning you saw the bill and did not object, so you accepted it. A short, firm written dispute, sent promptly, protects you and starts building leverage. That is exactly what the letter does.

When the accountant starts contacting your clients

This is the part that turns a fee squabble into something more serious. A preparer who has no contract with your end clients has no business sending them letters claiming they owe money.

The cease-and-desist demand. The letter demands that the accountant immediately stop all contact with your non-client third parties, preserve every communication, and direct any further demand solely to your counsel. It puts the confidentiality and conduct exposure on the record so the behavior stops.

Should you report the CPA to the licensing board?

The California Board of Accountancy licenses CPAs and accepts consumer complaints about unprofessional conduct, breaches of confidentiality, and similar issues. It is a real lever, and a serious step.

Usually it is about sequencing, not reflex. In many matters the letter's measured reference to potential Board exposure does more useful work than an actual filing, because a licensed professional does not want a complaint on file. I advise on whether, when, and how to raise it, so the threat keeps its value and a complaint is filed only if the conduct continues. I do not promise a particular Board outcome; that decision rests with the Board.

When the accountant's error cost you money

A missed deadline, a botched filing, penalties and interest you should never have owed: that is an accountant-malpractice claim, and it usually starts with a demand letter.

A malpractice demand identifies the standard of care, the specific error, and the measurable harm (penalties, interest, lost deductions, professional fees to fix it), then demands compensation before litigation. If that is your situation, the dedicated page below goes deeper.

→ Accountant & Tax-Preparer Malpractice Demand Letters  |  California Accounting Malpractice Demand

For CPAs & accounting firms: collecting unpaid fees

Accountants and bookkeeping firms hire me regularly for the mirror image of this dispute, when a client goes silent on an invoice, or uses a complaint or a sweeping records subpoena to avoid paying.

From my practice (anonymized). I represent a California bookkeeping firm on exactly this kind of two-front problem: pressing the legitimate claim for unpaid accounting fees while responding to an overbroad records subpoena that was served to fish for a defense. The approach is to push the fee claim and tightly cabin what the other side can demand at the same time, so their leverage shrinks rather than grows. Details are confidential; the point is that this is a lane I work in often.

A demand letter on attorney letterhead, citing the engagement, account stated, Civil Code § 3289 statutory interest, and any fee-shifting clause, turns an aging receivable into either a payment or a clean, documented record for an IRC § 166 bad-debt write-off. For firms with several past-due accounts, I offer volume pricing.

→ CPA-Referred Collections (volume pricing for 3+ accounts)  |  Accounting Firm A/R Collection

Quick answers

Tap a card to flip it.

No signed engagement letter, do I owe?
tap to flip ›
An accountant can still claim the reasonable value of work actually performed, but cannot collect full price for a service that was never completed or that another preparer already filed. No signed agreement puts the burden on them to prove what they did and what it was worth.
Can a CPA bill my clients directly?
tap to flip ›
Usually not. If your clients never engaged the CPA and signed powers of attorney appointing your firm, the CPA has no contract with them and no basis to demand payment. Contacting them about a disputed debt can cross into confidentiality, privacy, and interference territory.
Is a CPA a "debt collector"?
tap to flip ›
Collecting his own fee, a CPA usually is not a third-party debt collector under the federal FDCPA. But California collection and privacy rules, plus the Accountancy Act's conduct standards, still constrain how he may pursue and disclose a disputed debt, especially to people who owe him nothing.
What does the letter actually do?
tap to flip ›
It disputes the fee on the record, demands the accountant stop contacting your non-clients, sets a deadline, preserves evidence, and signals Board-of-Accountancy and litigation exposure, so the conversation moves from "pay me" to "let's resolve this" quickly.
Do I have to respond to their demand?
tap to flip ›
Yes, in writing. Ignoring an invoice can later be argued as an "account stated" that you accepted. A short, firm dispute letter, sent promptly, protects you and starts building leverage.
I am the CPA and a client ghosted me.
tap to flip ›
Same toolkit, flipped. A demand on attorney letterhead citing the engagement, account stated, Civil Code § 3289 interest, and any fee-shifting clause turns an aging receivable into either a payment or a clean record for a bad-debt write-off.

What you get

Two business days. Once I have your documents, the letter is drafted, signed, and mailed within two business days, with a first read on your position back to you within 24 hours.

Pricing

$575
Demand or cease-and-desist letter
Flat fee, drafted, signed & mailed
$1,200
Letter + draft complaint
Settlement leverage if they dig in
$375
Per letter, 3+ accounts
CPA-side volume collections
$240
Written attorney consultation
Send your matter, reply in 2 business days

Litigation, arbitration, multi-round negotiation, and a Board of Accountancy complaint filing are scoped separately if the matter goes that far. California matters.

FAQ

The accountant never had me sign anything. Do I still owe the bill?
Not automatically, and usually not the full amount. Without a signed engagement, the accountant can generally recover only the reasonable value of work actually performed, and must prove it. If the service was never completed, or another preparer already did it, there is little or nothing properly owed. Respond in writing rather than ignoring the bill.
Can the accountant legally contact my clients to collect from them?
Generally no, where your clients never engaged the accountant and authorized your firm to act for them. Contacting third parties who owe nothing, about a disputed debt, can implicate confidentiality and conduct rules under the California Accountancy Act, as well as privacy and interference principles. The cease-and-desist letter is built to stop exactly that.
Should I report the CPA to the Board of Accountancy?
Sometimes, but it is a strategic decision, not a reflex. Often the credible possibility of a complaint, raised in the letter, accomplishes more than an actual filing. I advise on whether and when to escalate so the lever keeps its value, and a complaint is filed only if the conduct continues.
I am a CPA and a client is refusing to pay. Can you help?
Yes, that is a large part of this practice. I send demand letters for unpaid accounting and bookkeeping fees, and I also handle the situation where a non-paying client serves an overbroad subpoena or files a complaint to avoid the bill. Volume pricing is available for several past-due accounts.
How fast, and how much?
$575 flat for a single attorney letter, drafted, signed, and mailed within two business days of receiving your documents, with a first read on your position within 24 hours. $1,200 if you want a draft complaint prepared in parallel as leverage.

Not sure where your dispute fits?

Use the AI Legal Analyst on this page to describe what happened with the accountant. It is attorney-supervised, not legal advice, and it will map your situation to the right next step before you decide whether to engage me.

Get the letter out

Send me the emails, the invoice or fee demand, and any agreement (or confirmation there was none). I will tell you where you stand and put the letter in the mail.

Email owner@terms.law

Related pages

Informational content from Sergei Tokmakov, Esq., California Bar #279869. This page is general information, not legal advice, and does not create an attorney-client relationship. Outcomes depend on your specific facts. For advice on your matter, engage an attorney.