Year-end tax planning letters: a firm's outreach plan

Why do most year-end tax planning letters get ignored?

Every November, thousands of firms send clients the same letter: two pages of reminders about retirement contributions, harvesting losses, charitable giving and estimated payments. Most clients skim the first paragraph and file it.

The problem isn't the advice; it's that the letter is written for everyone and so it speaks to nobody. A 34-year-old salaried employee and a 74-year-old retiree with an IRA have almost nothing in common at year-end, yet they get the same text.

A better approach treats year-end planning as a short campaign. You split clients into a handful of groups using information already in your files, send each group a brief message about the two or three things that apply to them, and ask for one specific action. It takes a few more hours to set up, but the response is usually far better, and the meetings you book are with the clients who have real decisions to make.

When should a firm send year-end planning messages?

Early November is the sweet spot. Clients still have time to change payroll deferrals, arrange retirement distributions and make charitable gifts before December 31. Send it in mid-December and you're mostly telling people what they've missed.

Plan the campaign in three touches:

1. First week of November: the targeted message for each segment, with a booking link or a reply-by date.
2. Around November 20: a short reminder to those who haven't responded, ideally mentioning the one item most relevant to them.
3. Early December: a final note with a firm cut-off, such as "we can take planning calls until December 12."

The cut-off matters. Payroll departments, brokers and plan administrators need time to process instructions, and your own team needs December for the work that follows each call.

How should you segment clients for year-end planning?

You don't need new data. Last year's returns already tell you most of what matters. Pull a list of clients and tag each one using these questions, then build messages from the table below.

A client can sit in more than one segment. That's fine; combine the points into one message rather than sending two emails.

Which 2026 figures belong in the letter?

Use confirmed IRS figures and link to the source, so clients can check for themselves. These are the main ones for 2026:

• Workplace plans: the IRS announced that the 401(k) limit for 2026 is $24,500, with a catch-up of $8,000 for those 50 and over and a higher catch-up of $11,250 for ages 60 to 63.
• IRAs: the same release puts the 2026 IRA limit at $7,500, with a $1,100 catch-up for those 50 and over.
• Required minimum distributions: the IRS reminds retirees that December 31 is the deadline for most RMDs, with April 1 of the following year applying only to the first one. A missed RMD may face an excise tax.
• Charitable giving: the IRS explains on its charitable contributions page that from 2026, non-itemizers can deduct certain cash gifts up to $1,000 ($2,000 married filing jointly), while itemizers can deduct only contributions above 0.5% of adjusted gross income.

The charitable change is the one most clients won't know about, and it cuts both ways. Some non-itemizers gain a small deduction; some itemizers lose part of theirs. That makes it a good opening for a conversation. Every client's position depends on their circumstances, so frame these as reasons to talk, not as advice.

What does a targeted year-end message look like?

Keep it under 150 words. Lead with the client's situation, give two or three points, and finish with one action. Here's an example for a retiree segment:

"Hi Margaret, as you're taking required distributions from your IRA, two things are worth checking before December 31. First, make sure this year's RMD has been taken in full; the deadline is the end of the year. Second, if you give to charity, a qualified charitable distribution from your IRA may be worth discussing. The new 2026 charitable rules also change how gifts are treated on your return. If you'd like a 20-minute call, choose a time here by December 5."

Notice what it leaves out. There's nothing about 401(k) deferrals, business expenses or loss harvesting, because none of those apply. Shorter, relevant messages get read.

Write one version per segment, then personalize the first line with the client's name and one fact from their file. Mail-merge handles the rest.

What should the business-owner message cover?

Business owners usually get the most from a year-end conversation, and they also have the most moving parts. Keep their message to three items so it doesn't read like a lecture.

The first is information returns. The IRS's guide to information returns says the reporting threshold for payments such as nonemployee compensation is $2,000 or more for payments made in 2026, up from $600. Forms 1099-NEC are due January 31, so now is the time to ask clients to collect missing Forms W-9 from contractors, while they're still in touch.

The second is timing. A client expecting a big jump in profit next year may want to discuss when income and expenses fall, and a client planning an equipment purchase should talk to you before buying, not after.

The third is the owner's own retirement savings. Some plan types have to be set up or funded by particular dates, so raise it early enough for the client to speak to their plan provider.

Each of these depends on the business's facts. The message should prompt a call, not give advice by email.

How many planning meetings can your firm actually fit in?

Before you send anything, work out how many calls you can handle, or a successful campaign turns into a December crisis. Here's an illustrative example using made-up figures.

A firm has 400 individual clients. It expects about 15% of those it contacts to book a call. After segmenting, it decides 240 clients have something worth raising, so it expects 240 × 15% = 36 calls. Each call takes 20 minutes, plus 25 minutes of preparation and follow-up notes, so 45 minutes per client in total. That's 36 × 45 = 1,620 minutes, or 27 hours.

Spread across two partners over five weeks, that's under three hours a week each, which is very manageable. But if the firm had emailed all 400 clients the generic letter and 15% booked, it would face 60 calls and 45 hours, many with clients who had nothing to change.

If the numbers look tight, limit the booking link to the segments with the biggest decisions, such as retirees with RMDs and business owners, and send the others an information-only message.

How should you follow up after the planning call?

The call is not the end of the job. What happens next decides whether the advice turns into action and whether you're covered if something goes wrong.

• Send a written summary the same day, listing what was discussed, what the client decided to do and what the firm will do.
• Ask the client to confirm the summary. A short approval protects both sides if questions come up next spring.
• Create a task for each action with an owner and a date, such as confirming a distribution has been made.
• Record anything that affects the return, such as a planned gift or a business purchase, so the preparer sees it in January.
• Bill for advisory work if your engagement covers it, and agree the fee before the call, not after.

Finally, review the campaign in January. Note how many clients opened, booked and acted in each segment. Next year's outreach will be sharper for it.

How Zaquil handles year-end tax planning outreach

Zaquil helps a tax practice run year-end outreach as an organized campaign rather than a scramble of individual emails. Here's how the workflow fits together.

Client records you can act on. Each client record holds contacts and history, so the firm can work through segments and see who has been contacted and who has replied. Responses by email, text, WhatsApp or phone land in one shared inbox attached to the right client.

Questionnaires in the portal. Instead of asking clients to reply with figures, the firm sends a short questionnaire through the branded secure client portal, for example asking about planned gifts or expected bonus income. The client answers on a phone; the firm sees the answers on the record.

Automated reminders. Automations send the November 20 and early-December follow-ups to clients who haven't responded, and create a task for a partner when a client books a call.

Written summaries clients approve. After the call, the firm sends the summary through the portal, and the client approves or e-signs it, leaving a signed PDF certificate on file.

Billing for advice. Time spent on planning can be logged and billed, and clients can pay invoices online.

See how this works for a tax firm on our accounting and tax solution page, or check Zaquil pricing: plans from $19 a month with a 14-day free trial and no credit card to start.