By Antonia Halliday
The first six months in a PE‑backed CFO role matter more than most people realise. This is when perceptions are formed, trust is earned (or lost), and the CFO’s role in value creation is quietly decided. Get it right, and you become a credible partner to the CEO and the investors very quickly. Get it wrong, and you can spend the next year trying to recover.
The challenge is not a lack of capability, it’s the pace. From day one, a new CFO is expected to understand a complex business, build relationships with a demanding leadership team, show command of the numbers at board level, and form a clear view on priorities. All while keeping the lights on in finance. There is no apprenticeship period, and very little tolerance for hesitation.
The most common mistake I see is over‑correcting too early. Many CFOs arrive with a strong mental model of what “good” looks like and feel pressure to prove themselves quickly. New reporting packs, new processes, new systems, all introduced at speed. Sometimes change is needed. Often, it’s just premature. Move too fast without context and you risk alienating teams who understand the business far better than you do in month one.
The CFOs who tend to succeed resist that impulse. They spend their early months listening more than talking. They get genuinely curious about how the business actually works, not how it should work. They build trust with the CEO, spend real time with the leadership team, and make sure they clearly understand what the investors are focused on, rather than guessing. That discipline pays off because it allows them to focus their energy on the few changes that really matter, not the long list that can wait.
Then there’s the investor dynamic. In a PE‑backed business, the CFO sits right in the middle, translating between management and the board, often under pressure from both sides. This isn’t about producing perfect reports. It’s about credibility. Investors want transparency, clarity, and insight. Management wants support and pragmatism. Balancing those expectations is a core part of the role, and one that becomes apparent very quickly.
The first 180 days also reveal leadership style, whether the CFO realises it or not. PE portfolio companies move fast, run lean, and expect momentum. A CFO who brings excessive control without commercial judgement will slow the business down. One who prioritises speed without discipline will eventually create problems. The best CFOs find that balance early, firm on standards, flexible in execution, and focused on outcomes rather than process for its own sake.
When this works, the upside is significant. An aligned CFO can shape strategic decisions, sharpen forecasting and planning, and keep the organisation focused on what really drives value. When it doesn’t, progress stalls, confidence erodes, and even basic decision‑making becomes harder than it needs to be.
For boards and investors, this period deserves more attention than it often gets. Clear expectations, early alignment, and proper access to stakeholders can materially improve the chances of success. The first 180 days don’t guarantee a great CFO, but they often tell you whether you’ve got the right one.
In the next piece, I’ll dig into what investors usually mean when they ask for a “commercial CFO”, and why that phrase is often misunderstood in practice.