You should add a Head of FP&A when analysis has become the bottleneck in your function, and when the board is asking questions your current team can answer but not fast enough. The role exists to turn your numbers into decisions, and to take the forward-looking work off your desk so you can lead rather than model.
This is a decision most finance leaders sit on too long. Below is how to know the timing is right, and what genuinely changes once the seat is filled.
What does a Head of FP&A actually own?
A Head of FP&A owns the forward view. Budgeting, forecasting, scenario work, board packs, and the commercial partnering with department heads all sit here.
Your Financial Controller owns the backward view, the close, the controls, the accuracy of what happened. The two roles are different disciplines, and asking one person to do both well is where many functions quietly break.
The Head of FP&A is the person who can sit with a sales director, challenge the pipeline, and tie it back to a number you trust. That is a distinct skill from producing clean accounts.
When is the right time to add the role?
The timing signals are usually behavioural before they are financial.
You notice you are personally rebuilding the model every month. Board prep swallows your evenings. Forecasts are reactive, produced to answer a question rather than to shape a plan. Department heads treat finance as a scorekeeper, not a partner.
Those are the tells. When the company is scaling, entering a funding round, or adding complexity through new products, geographies, or acquisitions, the pressure lands hardest on the forward view. That is the moment the analysis layer needs its own owner.
If you are doing the FP&A work yourself late at night, you have already crossed the line. The question is only how much longer you want to carry it.
Head of FP&A or FP&A Manager, which do you need?
This is the mistake I see most often. Leaders hire the title above what the work requires, or below it.
An FP&A Manager runs the process. They build the models, own the cadence, and produce reliable output. They need direction to know what matters.
A Head of FP&A sets the agenda. They decide what the business should be measuring, they push back on assumptions, and they can hold a room of senior stakeholders. They partner rather than serve.
If your function is still building its reporting foundations, a strong FP&A Manager reporting to you may be the right first move. If the foundations exist and the gap is judgement and influence, you need the Head. Getting this wrong wastes a hire and frustrates a good person.
What changes in your week once they land?
The honest answer is that the first quarter feels slower, not faster. You are handing over context that lives in your head, and that takes time.
By the second quarter, the change is real. Board packs arrive built, not requested. Forecasts come with a point of view attached. Department heads have somewhere to go that is not you.
Your own week shifts from producing to reviewing. You spend more time on capital, strategy, and the conversations only you can have. The layer below you starts absorbing the reactive work that used to fragment your days.
That is the whole point. A good Head of FP&A does not just add capacity, they change what your job feels like.
How do you hire the role well?
Brief for judgement, not tools. Anyone can list a modelling stack. Fewer can tell you about a forecast they got wrong and what they changed.
In interview, give them a real problem from your business and watch how they frame it. Do they ask about the commercial drivers, or do they jump straight to the spreadsheet? The best candidates are curious about the business first.
Check how they handle disagreement. This person will challenge your assumptions, and you want that. A Head of FP&A who only confirms your view is not worth the salary.
Define the first 90 days before you hire, so both of you know what good looks like early. If you want a steer on shaping the brief or the market, that is what we do at Harper May, and you can see live finance leadership roles here.
Common questions
Should the Head of FP&A report to me or to my Financial Controller?
To you. FP&A and control are peers, not a hierarchy. Burying FP&A under the Controller signals that analysis serves the close, which is the wrong way round. Both should sit directly under the finance leader.
Can I promote from within instead of hiring externally?
Sometimes, and it is worth considering first. A strong FP&A Manager or senior analyst who already knows the business can grow into the seat. The test is whether they can influence senior stakeholders, not just build models. If that muscle is not there, an external hire is cleaner than hoping it develops under pressure.
How do I know the hire has worked?
Within two quarters, you should be reviewing the forward view rather than building it, and the board conversation should have moved from what happened to what happens next. If you are still rebuilding the model yourself, the brief or the level was wrong.
