A salesperson hands in their notice on a Sunday afternoon. You have thirty days, which sounds like plenty of time. Then somebody asks the question that actually matters: what happens to their WhatsApp.
Nobody has a good answer, because until that moment nobody needed one. The number is on a SIM they bought themselves. The conversations sit on a handset in their pocket. Three years of relationships live inside an app on a phone your company does not own.
Here is how the loss usually goes, and what to do about it, starting with the parts that cost nothing.
The four things that leave with the handset
The number. It is on a business card, in a property listing, in a contractors' group with 180 members, written by hand on the back of a quotation in 2024. You cannot call any of that back. After the last working day the number keeps ringing, and it rings wherever they went next.
The names. Open the contact list and you find "Ahmed tiles", "villa lady Jumeirah", "brother of Rashid", "Marina — not before 11". Perfectly good shorthand for one person. Meaningless to everyone else. You cannot match those entries against your invoices, so you cannot tell which of them mattered.
The promises. "I'll hold that price till the end of the month." "Second unit at the same rate." "Send me a photo and I'll sort it out." Nobody else was in the conversation. When the customer refers back to one of those in six weeks, whoever picks up sounds either uninformed or dishonest. Both lose the order.
The single point of contact. The customer has one number for your business, and it belongs to a person. In their head they do not buy from your organisation. They buy from Faisal. Once Faisal is somewhere else, so is the relationship, and no announcement on your side changes that.
Then the sequence plays out. A customer messages at 21:47 on a Thursday, the way they always have. It goes to the old number. Either nothing comes back, or something polite comes back: "I've moved, try the office." Either way they are now thinking about who else can help, at exactly the moment they were ready to buy.
Thirty days of notice does not fix it
The handover meeting produces a spreadsheet. Names, numbers, a column called "status" with the words hot, warm and follow up in it. Everyone signs off and feels organised.
It does not work, and not because the leaver is dishonest. Most are not. Nobody can reconstruct three years of context in an afternoon. The parts that decide whether a deal closes — the reason the customer went quiet in June, the wife who makes the actual decision, the delivery that arrived late in March and still needs handling carefully — those never make it into a column.
Fix one: the number belongs to the company
This is the cheapest fix and the one everything else depends on.
The SIM in the company's name, paid by the company, WhatsApp Business registered against it, handset returned on the last day. When the number is yours, a resignation is a staffing problem. When it is theirs, a resignation is a customer list problem.
If a salesperson already carries a personal number with 800 customers on it, you cannot take it back and a fight over it will only make the exit worse. What you can do starts today: publish one company number everywhere. Listings, signage, invoices, the Google profile, ad campaigns, email signatures. Then make it a rule that new enquiries go to that number and no other. It takes months to shift the balance, and it works.
Fix two: more than one person can see the conversation
Still free. The WhatsApp Business app supports linked devices, so the same number can be open on a manager's laptop as well as the salesperson's phone. It takes a few minutes.
Be honest about the ceiling. This is fine for two people. At five it turns into a mess: everybody sees everything, nobody knows who already replied, there is no way to hand one conversation to a colleague, no place to leave a note, no record of who said what. It buys you visibility. It does not give you a system.
Fix three: write the handover down before anyone resigns
The useful thing is never the phone number. It is the sentence.
"Quoted 4,200 on 12 August, wants delivery before term starts, do not call before 11."
Two habits get you most of the way there:
- A naming rule. Full name, company, area. "Ahmed Khalil — Khalil Interiors, Al Quoz." Never a nickname, never a landmark.
- Twenty minutes on Thursday. Every open deal gets one line in a shared sheet: where it stands, what was promised, what happens next. One line. If it takes a paragraph, the deal is more complicated than anyone realised, which is itself worth knowing.
It reads like admin until the Sunday somebody resigns, and then it is the only thing standing between you and starting from nothing.
Fix four: a shared inbox, and only now
Software is the last step, not the first. It is worth paying for when the first three have run out of room: several people working one number, arguments about who replied, an account you cannot revoke because it lives on somebody's personal phone, and enough history that the history itself is the asset.
What changes is ownership. Messages arrive against the company's number and stay in the company's account. Conversations get assigned to a person instead of landing on a handset. Whoever picks one up next can read the note the last agent left. There is an audit log, and access can be removed on somebody's final afternoon while every conversation they had stays exactly where it is.
Go Talk IQ does this on the WhatsApp Business number a company already uses — no new number and no migration — and it deliberately looks and behaves like WhatsApp Web, because tools like this fail when a team quietly goes back to their phones.
You probably do not need software for this yet
If you are two people sharing one number, handling thirty conversations a week, and that number is already in the company's name, do the first three fixes and buy nothing. You would be paying to solve a problem you do not have.
The signals that the time has come are specific. More than about four people need to reply from the same number. You cannot answer "who spoke to this customer last" without asking around. Or you have already lost a set of relationships once and do not intend to do it twice.
What to do this week
- Check whose name each sales SIM is in. Do this today, before anything else on the list.
- Pick one company number and put it everywhere you publish.
- Link that number to a second device so a manager can see it.
- Spend half an hour renaming contacts properly — real name, company, area.
- Book twenty minutes on Thursday for one line per open deal.
None of those five costs anything. If step three stops being enough, Go Talk IQ has a free plan — one number, two people, 500 messages and 500 AI credits a month — which is enough to see whether a shared inbox changes how your team actually works before you spend anything on it.
Also worth reading: what the Cloud API is and who Meta bills