The Professional Way to 'Fire' a Client: An Accounting Firm's Offboarding Email Template

Every firm reaches this point eventually: a client relationship that's become unprofitable, impossible to communicate with, or just not a fit anymore, and the only responsible move is to end it. 💖 Most accountants put this off for months because it feels confrontational. It doesn't have to be. Done properly, "firing" a client protects your team's time, protects the client's own interests by pointing them somewhere better suited, and very often preserves the referral relationship instead of torching it.

What most accounting firms get wrong

The biggest mistake is avoidance — quietly becoming less responsive, taking longer to return calls, hoping the client gets the hint and leaves on their own. This is worse for everyone. The client feels neglected rather than informed, your team absorbs stress from a relationship nobody's addressed directly, and you lose control over how the ending actually looks, including to anyone that client might mention it to afterwards.

The second mistake is the opposite extreme: an emotional, over-explained termination that reads as an airing of grievances rather than a business decision. Clients remember how they were let go far more vividly than why. A professional offboarding email states the decision clearly, gives one calm reason category (capacity, fit, or scope — not a list of complaints), and moves straight to the practical next steps.

Why email beats a phone call for this

A termination conversation delivered live, especially over the phone, tends to turn into either an argument or an on-the-spot renegotiation neither party is prepared for. A written offboarding email lets you say exactly what you mean, lets the client absorb it without having to react instantly, and creates a clean record of the notice period and handover arrangements — useful for both sides if anything is disputed later.

The mechanics: how to actually do this

Before you write a word, open the client's engagement letter and check the termination clause — most firms have a notice period written in (commonly 30 days), and you need to honour it regardless of how ready you are to move on. Separately, check in with your professional indemnity insurer or your industry body about any notification or handover obligations tied to ending a client relationship, particularly if the client is mid-way through a lodgement or audit.

Once you've confirmed the notice period, pick a reason category and stick to it — don't let the email turn into a list. Draft the handover file requirements before you send the email so you're not scrambling to assemble records under time pressure after the client replies. Send it from a partner or the client's primary contact, never from a junior team member, and always leave a phone number open for a conversation rather than making the email a one-way door.

• Don't terminate a client relationship without checking the engagement letter's notice period first.
• Don't list every grievance — pick one calm reason category and stay there.
• Don't leave work genuinely in progress unfinished without a clear handover plan.
• Don't send the termination the same week a return or BAS is due — timing matters as much as wording.
• Don't skip the referral offer if you have one — it's the single easiest way to preserve goodwill.

Frequently asked questions

How much notice should we give a client?

Check your engagement letter first — most specify a notice period, commonly around 30 days. If yours doesn't specify one, a reasonable rule of thumb is enough time for the client to find and onboard a new accountant before their next lodgement deadline.

Should we explain the real reason if it's about their behaviour?

Keep it general rather than specific — "a shift in how we structure our services" covers a lot of ground without inviting a dispute over particular incidents. The honest trade-off here is that vagueness protects the relationship but won't give the client concrete feedback to improve on, which matters if you'd actually welcome them back one day.

What if the client owes us money?

That's a separate conversation from the termination itself — don't combine a debt collection message with an offboarding email, as it muddies both and can come across as punitive. Handle outstanding invoices through your normal process, ideally before or after the offboarding email rather than inside it.

Is it okay to offer a referral to a competitor?

Yes, and it's often the single best thing you can do for the relationship's long-term goodwill — just make sure you're recommending firms you'd genuinely stand behind, since your name is attached to the referral.

Keep reading 🤍

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• How to get more leads
• How to build a brand