Most businesses can tell you what a finance business partner costs. It is the number on the offer letter. Far fewer can tell you what the wrong one costs, because most of that bill never shows up as a single line in the accounts. It turns up as a slower decision here, an unchallenged forecast there, and a second recruitment campaign eighteen months later that nobody budgeted for.
The finance business partner, or FBP, sits between the finance function and the people running the business. Done badly, it becomes an expensive reporting post with a better job title. The gap between those two outcomes is where the real cost of a poor hire lives.
Start with the visible cost
Take a senior FBP in London with three to six years’ post-qualification experience. Base salaries for that profile typically fall between £62,000 and £80,000. In a private equity-backed business the range moves up to around £70,000 to £95,000, and a target bonus of 15 to 25 per cent is common on top.
That base figure is only the starting point. Employers also pay National Insurance contributions and pension contributions, and many add private medical cover, a car allowance or other benefits. Then there is the cost of getting the person through the door: advertising, agency fees or internal recruiter time, and the hours senior managers spend reading CVs and sitting in interviews.
None of it is wasted if the hire works. But the true cost of employment is well above the advertised salary, and that is the sum at risk.
The cost nobody invoices: decisions that go unchallenged
The larger cost is harder to see. A finance business partner is paid to ask awkward questions before money is committed. Should we take this contract at that margin? Is the new site really going to break even in year two? Why is this product line still on the price list?
A weak FBP does not ask those questions, or asks them too late, or asks them so tentatively that nobody changes course. The result is not a dramatic failure. It is a pattern of decisions made on optimism rather than evidence. A discount approved without modelling the volume it needs. A forecast accepted because challenging the sales director felt uncomfortable.
Each of those decisions might cost more than the FBP’s entire salary. The problem is that no one connects the two. The outcome is blamed on the market or the timing, not on the missing challenge.
Under-pricing the role and the 12 to 18 month churn
One of the most common routes to a bad hire is pricing the role too low. A business wants commercial challenge, board-level influence and strong modelling, but benchmarks the salary against a management accountant. In London, management accountants are typically paid £10,000 to £20,000 less than an FBP at an equivalent level of experience, so the mismatch is significant.
What follows is predictable. The best candidates drop out early because the package is below market. The business hires someone who accepts the lower figure, often a capable reporting accountant who has not yet operated as a genuine business partner. If that person does grow into the role, they soon realise what they are worth elsewhere. Twelve to eighteen months later they leave, usually just as they have learned the business well enough to be useful.
The saving on salary is then wiped out several times over. The business pays to recruit again, absorbs another induction period, and loses the commercial knowledge the departing FBP had built up.
The time lost re-hiring
Time is the cost that finance teams tend to underestimate most. A vacant FBP seat does not sit empty. Its work falls back onto the financial controller or head of finance, who already has a full diary. Month-end gets squeezed and operational managers go back to deciding without finance input.
Consider an illustrative scenario. A business hires an FBP who struggles from the start. It takes six months to accept the appointment is not working, a further couple of months to manage an exit, and then several more to run a new search and wait out the replacement’s notice period. Well over a year has passed, and the business is back where it started, minus the money, the management time and the momentum.
How to de-risk the hire
Most of these costs are avoidable, and they stem from decisions made before anyone is interviewed.
Agree the decision mandate first
Before writing a job description, decide which commercial decisions this person will influence. Pricing? Capital spend? Headcount? Make the list specific and get the managing director and the relevant operational leaders to agree it. A candidate can then be judged against a real brief, and once appointed, the FBP has clear permission to challenge. Without that mandate, even a strong hire can drift into producing reports.
Interview for evidence, not fluency
Plenty of candidates talk convincingly about business partnering. Fewer can describe a specific occasion when their analysis changed what a business did. Ask for the decision, the numbers they used, who disagreed and what happened afterwards. A practical exercise using a set of anonymised figures from your own business will tell you more in an hour than a CV will in a week. Professional bodies such as the ICAEW’s business and management guidance are a useful reference point for the commercial skills worth testing.
Price the role to the market you are hiring in
Benchmark the salary against FBP roles in your region and sector, not against your existing finance team’s pay scales. Regional differences are real: a senior FBP in the Midlands or the North might typically earn £50,000 to £63,000, while the same profile in London commands £62,000 to £80,000. Getting this right at the outset is the single most effective way to avoid the churn described above. Anyone hiring a finance business partner for the first time should check current market rates before the role goes out, rather than after the first round of candidates turns it down.
Go interim first when you are unsure
If you are not yet certain what the role needs to be, an interim FBP can be a sensible first step. Interim senior FBPs in London typically charge between £400 and £600 a day, with lower rates in the South East and further north. That is not cheap, but it buys clarity. An experienced interim can shape the role, show the business what good partnering looks like, and leave you with a far sharper brief for the permanent appointment.
The real question
The question is not whether a good FBP is expensive. It is whether the business can afford a poor one. A well-briefed, properly paid finance business partner who is trusted to challenge will usually earn their cost back many times over. A rushed, under-priced appointment rarely does, and its bill arrives quietly.
About the author: Adrian Lawrence FCA is the founder of FD Capital Group, whose firms include Accountancy Capital, a specialist recruiter of qualified finance professionals below director level.
An ICAEW Fellow and former listed-company Finance Director, he has more than 25 years’ experience at C-suite level.
