Every tax planning firm has a quiet list. Clients who filed with you once or twice, then went dark. They did not fire you. They just drifted, and because your busy season swallows everything, nobody followed up. That dormant list is usually the cheapest revenue you will find all year, because these people already know your name and already trusted you with their return.
This article gives you six re-engagement email templates you can adapt and send to dormant tax clients. Each one includes a subject line, the body copy, and the right moment to send it. It also covers the language you must avoid, because a tax firm sending marketing email lives under IRS Circular 230 advertising rules and FTC substantiation standards. This is not legal or tax advice, but it will keep your outreach honest and useful.
What counts as a dormant client, and why re-engagement works
A dormant client is someone who has an existing relationship with your firm but has not transacted, replied, or booked inside a defined window. For most tax planning practices that window is twelve to eighteen months, meaning they skipped a filing season or stopped opening your emails. They are different from a cold lead. A cold lead has to be convinced you exist. A dormant client only has to be reminded why they hired you and given an easy reason to come back.
Re-engagement email works for tax firms for three plain reasons. The relationship already carries trust. The tax calendar creates natural, honest triggers to reach out. And your data is rich enough to personalize, because you know what they filed, what changed in the code, and what they might be missing.
Segment before you send
Do not blast the whole dormant list with one message. Sort it first. A good starting split for a tax planning firm:
- One-and-done filers: used you for a single return, never returned.
- Lapsed advisory clients: paid for planning before, went quiet.
- Life-change candidates: a business sale, retirement, or move you know is coming or likely.
- Non-openers: still on the list but have not opened anything in a year.
The six templates
Use these as a base and rewrite them in your own voice. Keep the subject lines short and specific, keep the body under 150 words, and end with one clear action. Replace anything in brackets with real detail. Never insert a promised dollar figure or a guaranteed result.
Template 1: The plain check-in
When to send: First touch, any time of year, for one-and-done filers.
Subject: Are we still your tax contact?
Body: Hi [First name], it has been a while since we worked on your return, and I wanted to check in rather than assume. Tax rules shift every year, and a lot of clients tell us they are not sure whether their current setup still fits their situation. If you would like a short review of where things stand for [tax year], reply to this email or grab a time here: [link]. No pressure either way. I just did not want you to fall through the cracks.
Template 2: The law-changed nudge
When to send: Within a few weeks of a real, published tax law or IRS guidance change.
Subject: A rule change that may affect your [year] return
Body: Hi [First name], the IRS updated guidance on [specific topic, stated accurately], and it can change how some filers plan for the year. Whether it applies to you depends on your facts, so I am not going to guess from here. If you want, we can look at your situation together and see if anything is worth adjusting before year end. Book a short call here: [link]. If it does not apply to you, that is a five-minute answer and you can move on.
Template 3: The mid-year planning window
When to send: Late spring or summer, once returns are filed and before Q4.
Subject: The quietest time is the best time to plan
Body: Hi [First name], most people only think about taxes in March. The clients who get the most out of planning tend to look at it now, while there is still time to act before December. I have some availability this month to review your [year] picture and flag anything worth discussing. If that is useful, pick a time here: [link]. If now is not right, tell me when to check back and I will.
Template 4: The life-event trigger
When to send: When you learn of a business sale, retirement, inheritance, or move.
Subject: Congratulations, and one thing worth reviewing
Body: Hi [First name], I heard about [life event], and I wanted to reach out. Changes like this often come with tax questions that are easier to sort out early than at filing time. I am not going to make assumptions about your situation over email, but if it would help to talk it through, I am here. You can book a time here: [link]. Either way, congratulations.
Template 5: The year-end deadline reminder
When to send: Late October through mid-December.
Subject: A few moves close on December 31
Body: Hi [First name], some planning options are only available before the calendar year ends, and once January arrives the door closes on them for [year]. I am reaching out to former clients who might want a look before the deadline. If you would like to review whether any year-end steps make sense for you, reply here or book a slot: [link]. Spots this month are limited, so earlier is easier.
Template 6: The break-up email
When to send: Final touch, after two or three unanswered messages, for non-openers.
Subject: Should I stop emailing you?
Body: Hi [First name], I have reached out a couple of times and have not heard back, which is completely fine. I do not want to clutter your inbox. If you would still like to hear from us about tax planning, click here and I will keep you on the list: [link]. If not, no action needed and I will stop. Thanks for trusting us with your return in the past.
Cadence at a glance
| Template | Best window | Target segment |
|---|---|---|
| 1. Plain check-in | Any time | One-and-done filers |
| 2. Law-changed nudge | After real guidance change | Lapsed advisory |
| 3. Mid-year planning | Late spring to summer | All dormant |
| 4. Life-event trigger | On the event | Life-change candidates |
| 5. Year-end reminder | Oct to mid-Dec | Lapsed advisory |
| 6. Break-up email | After 2-3 no-replies | Non-openers |
Compliance and the mistakes that hurt tax firms
IRS Circular 230 governs how practitioners may advertise, and the FTC requires that any claim you make be truthful and substantiated. In plain terms for your email copy: do not promise specific tax savings, do not guarantee an outcome, and do not imply a result you cannot back up. This is not legal or tax advice, so run your final templates past your own compliance review.
The common mistakes:
- Promising a number. “We will save you $4,000” is a claim you cannot substantiate for an individual you have not reviewed. Talk about looking at their situation, not about a result.
- Guaranteeing outcomes. Words like guaranteed, always, or risk-free do not belong in tax marketing. Outcomes depend on facts you do not control.
- Fake scarcity. Saying spots are limited is fine only when they actually are. If you have unlimited availability, do not invent a countdown.
- Ignoring unsubscribes and consent. Honor opt-outs immediately and only email people who have a relationship or gave permission. The break-up email exists partly to keep your list clean.
- Sending during the wrong week. A re-engagement push on April 10 will annoy people. Time your sends to the calendar, not to your cash flow.
How re-engagement fits your wider plan
Re-engagement email is one channel inside a larger system. It works best when your intake, your booking flow, and your seasonal content all point the same direction, so a dormant client who replies actually reaches a person and a calendar without friction. If you want to see where email sits alongside your other growth levers, our marketing plan for tax planning firms lays out how the pieces connect. Treat this list as the fast win and the plan as the structure that keeps those wins coming.
Frequently asked questions
By Christoph Olivier
Ready to turn your dormant client list into booked reviews? Start with two of these templates, send them to a clean segment, and see who replies. When you want the full system behind it, take a look at the hub or book a call.
Frequently asked questions
How often should a tax planning firm email dormant clients?
Space touches out and tie them to real calendar triggers rather than a fixed drip. Two to four thoughtful, relevant emails across a year usually outperforms a heavy sequence, and it keeps you clear of unsubscribe spikes.
Can I say how much money a client will save in a re-engagement email?
No. Circular 230 and FTC substantiation rules mean you should not promise specific savings or guarantee outcomes you cannot verify for that person. Offer to review their situation instead of stating a result.
Which template should I send first?
For one-and-done filers, start with the plain check-in. For lapsed advisory clients, the mid-year planning or law-changed nudge tends to land better because it gives a concrete reason to talk now.
What subject line works best for re-engagement?
Short, specific, and honest. Questions like “Are we still your tax contact?” or references to a real deadline or rule change tend to earn opens because they read like a person, not a promotion.
How do I know if a client is truly dormant?
Set a clear window, usually twelve to eighteen months without a filing, reply, or booking. Segment from there so a lapsed advisory client and a one-time filer get different messages.
Is a break-up email worth sending?
Yes. It cleans your list, protects your sender reputation, and sometimes wins back people who meant to reply and never did. Honor the opt-out immediately when they choose to leave.