Run a client reactivation campaign that wakes up your dormant list

Why dormant clients answer, and why nobody writes to them

A past client who drifted is the easiest person in the world to win back, for one reason: the trust is already built. They know your work, they know your manner, and in most cases nothing went wrong - a project ended, a season changed, life moved. What stops businesses from writing to them is that doing it properly means writing to each person as a person, and doing it improperly means a "We miss you! 20% off!" blast that converts the warmly indifferent into the actively unsubscribed.

Your AskEleven Employee resolves that tradeoff. It can write two hundred individual notes with the care you would give two, because it has your records to draw on and no deadline pressure. Your job is to set the segments, approve the tone, and take the warm replies. The campaign below runs over four to six weeks, on purpose - a trickle of personal notes, never a wave.

One rule before anything else: nothing sends without your approval until you have read a full week of drafts. These are people who trusted you once. The whole design of this guide is making sure the first thing they hear from you in two years does not sound like a machine.

Before you start: gather four things

• Your past-client list, wherever it lives. An export from HubSpot, QuickBooks, your practice management system, or honestly a spreadsheet. Minimum columns: name, email, what they engaged you for, and roughly when you last worked together. Do not clean it first - your Employee will do that, and imperfect data is the normal starting point.
• Your definition of dormant. For an accounting practice, a client who did not return for the last filing season. For a restaurant's private-dining list, a host who has not booked in a year. Pick the line; everything past it is in scope.
• A genuine reason to write. The note needs a reason to exist beyond wanting the business back: a change in the tax law that affects people like them, a new service, a new room, a new season's menu, or simply "I was reviewing files and thought of you." It must be true. Manufactured pretexts read as exactly what they are.
• The sender. These notes go from your personal address - your Gmail, your name, your signature - not from a marketing platform. A reactivation note from "hello@" has failed before it is opened.

Step 1: The segmentation prompt

First, turn the list into segments that deserve different letters:

What to expect: five to eight segments, and a do-not-contact list you should read carefully - it is the segmentation's most important output. Review the example names in each segment against your memory. If someone feels misfiled ("he did not decline, we just never scheduled"), say so; the drafting step inherits every judgment made here.

Step 2: The drafting prompt

Now the letters - one master prompt, applied per segment:

What to expect: drafts that are almost right, and a short list of people the records could not personalize - handle those yourself or drop them, but never let them get the generic version. Edit two or three drafts by hand and tell your Employee what you changed and why; it will apply the pattern across the rest. The 120-word ceiling is not a style preference. Short reads as personal; long reads as composed.

Step 3: Cadence, stop rules, and routing

The sending rules are what keep two hundred personal notes from becoming a campaign:

What to expect: the first replies within days, and they will be disproportionately warm - people are often mildly embarrassed to have drifted and glad you went first. The routing rule matters most: a reactivated client's reply is a live, delicate conversation, and it belongs with you. Your Employee's job ends at your inbox and resumes only for the bookkeeping.

A worked example: the client who drifted in 2023

An accounting practice runs the segmentation and finds Daniel Reyes in "completed normally, more than two years": returns filed for his design studio through 2023, then silence - the practice got busy, he presumably found someone closer. The records show one detail worth remembering: he had just leased his first commercial space when they last worked together.

The draft his segment's prompt produces: "Daniel - I was going back through files this month and realized it has been two filing seasons since we worked together. Last I saw you, you had just signed the lease on the Fulton Street space; I have wondered how the studio grew into it. The new pass-through rules that came in this year happen to hit businesses shaped like yours, which is partly why you came to mind. If it is useful, I would happily take twenty minutes to look at where things stand - no charge and no agenda. Either way, good to be back in touch."

True detail, true reason, real question, 90 words. Daniel replies two days later - the studio doubled, his current accountant is "fine," and yes to the twenty minutes. That call is worth several thousand dollars a year in fees, and the note that opened it took your Employee thirty seconds to draft from records that were sitting there all along.

Quality tests before anything sends

• The blast test. Read five drafts from one segment in a row. If they blur together, the personalization is decorative rather than real - send them back with "the remembered detail has to carry the note."
• The wince test. Read each draft imagining the recipient's face. A note that would make a real person wince - too familiar, too salesy, guilt-tinged ("we noticed you have not been in...") - gets rewritten, not softened.
• The truth test. Every remembered detail and every stated reason must be verifiably true. Ask your Employee to cite the record behind each personalized line for five random drafts. If one is inferred rather than found, tighten the drafting rule.
• The reply test. Send yourself a draft, reply to it as a client would, and confirm the reply lands flagged in your inbox with all further sends to that "client" stopped.

What to expect back, and what to do with it

Sensible expectations: on a clean list, most notes get silence, a meaningful minority get warm replies, and a handful become engagements within the quarter - and because these are past clients, each one arrives with trust intact and no acquisition cost. The silent majority is not a failure; you are now correctly remembered, which is where the next referral comes from.

Close the loop when the campaign ends: have your Employee write the outcome into HubSpot for every contact - reactivated, warm, silent, do-not-contact - so the next campaign starts from truth instead of archaeology. Then put the whole sequence on the calendar to re-run in six months against whoever has newly drifted. Reactivation is not an event. It is maintenance on the most valuable list you own, finally being done.