A first manager is often a promotion rather than a hire. Somebody who has been doing the work well is asked to start getting it out of other people, often with a pay rise, a vague new title and no conversation about what has changed.
Promote for the behaviours you can already see rather than for technical excellence, tell the whole team on the same day exactly which decisions have moved, and spend half an hour a week for the first six weeks asking the new manager what they have decided rather than what they have done.
Why is the best worker so often the wrong choice?
Doing the work and managing it need different skills.
Doing the work well rewards personal standards, speed, and a willingness to take something on and finish it yourself. Managing the work rewards patience, the ability to watch somebody do it worse than you would and not intervene, clear instruction, and a tolerance for other people's mistakes as the price of them learning. A person can be outstanding at the first set and have no appetite at all for the second.
The promotion also takes your most productive person out of production. A technician billing 1,200 hours a year at £60 an hour is generating £72,000 of revenue. Move half their time into managing, and you have removed £36,000 of production from the business in exchange for supervision that may or may not be any good.
Competence at the work is a qualifying condition. Promote for something you have already watched them do.
What should I promote for?
Look for four behaviours you can already see in the business:
- People already go to them. When someone is stuck, whose desk do they stop at? That is informal authority the team has already granted.
- They explain rather than take over. Watch what happens when a colleague is struggling. Some people fix it and hand it back. Some people show them and let them finish.
- They tell you bad news early. A manager who hides problems costs you the visibility you used to have.
- They can be uncomfortable on purpose. Managing means occasionally saying something the other person does not want to hear. If someone has never once given a colleague awkward feedback, you are guessing about the most important part of the role.
Length of service, seniority, being the loudest in meetings and wanting the job are not evidence of these behaviours.
What is a first manager worth?
Work out the return as well as the pay rise. This case is illustrative.
An owner with eight staff spends about twelve hours a week on supervision: allocating work, answering questions, checking output, settling small disputes, and being interrupted. Promote one person to take four of those eight, and a realistic landing point is five hours a week for the owner.
- Hours returned: 7 a week, across 46 working weeks — 322 hours a year.
- Valued at £75 an hour of owner time: £24,150 of capacity.
- Cost: a £4,000 pay rise, plus employer National Insurance at 15% on that rise — £600. Total £4,600.
In this example the promotion returns roughly five times its cost in owner capacity, so it still pays if the first year goes imperfectly.
Decide in advance what the returned hours are for, or they fill with the same work. Our guide on working on versus in your business covers this, and stop being the bottleneck covers the structural side.
How do I stop the team routing around them?
This is where first-manager promotions often fail, and the owner is often the cause.
Somebody has a question. The new manager is busy, or the person is not sure the answer will be the same, so they ask you instead. You answer, because it is quick and you are right there, and the team learns that the manager is optional.
Do that a few times and the manager loses the authority of the role, and you may wrongly conclude that the person was not up to it.
When someone brings you a question that now belongs to the manager, ask what the manager said, and if they have not asked, send them to ask. It feels obstructive for a few weeks and then stops happening. This habit comes up often in leadership coaching.
What should happen in the first six weeks?
Manage the promotion as a change over six weeks.
- Week zero: tell everyone, once, together. State the role, and state specifically what the manager now decides. Ambiguity here is what produces the routing-around problem.
- Week zero: write down the decision rights. Three columns — theirs, yours, and ones to talk about first. Keep it to half a page, because new managers freeze in the grey area.
- Weeks one to six: half an hour, weekly, in the diary. Ask what they have decided.
- Resist rescuing. When they handle something less well than you would, the temptation is to step in. Unless it is damaging, let it run and talk about it afterwards.
- Deal with the peer problem early. They were a colleague last week. Some friendships will change and one person may resent it. Name that with the new manager on day one so it is not a surprise, and back them publicly the first time it is tested.
If performance is not there after a full quarter, that is a separate conversation and there is a proper way to have it — our guide on managing poor performance sets it out. First check whether the person was given the authority to succeed.
What if it does not work out?
Sometimes the person does not want the job once they have seen it.
If you offered the promotion as a change of job rather than a reward, you can unwind it the same way. Keep the money where you reasonably can, be straight about it, and make sure the team hear it framed as a fit decision rather than a verdict on the person.
Some businesses reach for a first manager when they need fewer moving parts. If the supervision load comes from unclear processes, constant firefighting or work that is priced too tightly to be done calmly, a manager will absorb the symptom rather than fix it. When to hire is a useful check before you add the layer.
What to do this week
- Track a normal week and log every interruption, question and check. The total is the case for or against.
- Write four names down and score each against the four behaviours above, using things you have seen.
- Ask the person you have in mind whether they want to spend their days getting work out of other people.
- Draft the half-page of decision rights before you offer anything.
- Book the six weekly half-hours in the diary now.
- Decide what the returned hours are for, and protect them before they are recovered.
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Frequently asked questions
Should I promote my best worker into management?
Not automatically. Being excellent at the work and being able to get work out of other people are different capabilities, and one does not predict the other. Promote for behaviours you can already see: the person others go to with questions, the one who explains rather than takes over, the one who tells you something has gone wrong before you find out. If your best producer has none of those and no appetite for them, promoting them can cost you your best producer and gives you a struggling manager. Pay them properly as a senior specialist instead.
How do I know I am ready for a first manager at all?
Count the hours you spend each week answering questions, checking work, allocating jobs and settling small disputes. If that number is into double figures and rising, you are already doing a manager's job without the title, and it is crowding out the work only you can do. The second signal is that decisions wait for you. If work stops on Tuesday because you were out on Monday, the business has a supervision gap. Write both figures down for a month before you decide.
What is the promotion worth to the business?
Work it out in hours. Take an owner spending twelve hours a week supervising eight people. A manager taking four of them can reasonably bring that to five hours, returning seven hours a week, which across forty-six working weeks is 322 hours a year. Costed at seventy-five pounds an hour of owner time, that is £24,150 of capacity. Against that, a four thousand pound rise plus employer National Insurance of six hundred pounds is £4,600. The gap is large enough to absorb a lot of imperfection.
What should I do in the first six weeks after promoting someone?
Three things. Tell the team what has changed and what the new manager now decides, in a single announcement, so nobody has to guess whose answer counts. Agree in writing which decisions are theirs, which are yours and which need a conversation first, because the grey area is where new managers freeze. Then meet them weekly for half an hour and ask what they have decided rather than what they have done. Six weeks of that stops people routing around them straight back to you.