The work changes before leaders realize the function needs to change too.
Last week we explored why the signs of an overstretched HR function rarely look like HR problems at all — they look like leadership fatigue, manager inconsistency, and retention gaps that may feel personal but are often actually structural. This week we move from diagnosis to design: what should the HR function actually look like at different stages of organizational growth?
The answer is not one-size-fits-all. But the pattern is consistent.
One of the reasons HR becomes strained in growing organizations is that the work changes gradually, while the structure supporting it often does not. A nonprofit can reach twenty employees and still operate as if close relationships will cover most gaps. By fifty, managers are often carrying more people responsibility than the organization has formally prepared them to hold. By one hundred, inconsistency across teams begins showing up in ways employees experience directly. And by two hundred and fifty, the question is rarely whether HR matters, but whether the current setup can keep pace with the complexity already underway.
What makes this difficult is that there is rarely a clear moment when leaders are told the function needs to evolve. Growth often feels incremental while the effects on people and management accumulate quietly underneath.
And because many nonprofits are disciplined about spending, HR capacity is often added later than other forms of infrastructure. Finance gets strengthened when reporting becomes harder. Technology gets upgraded when systems begin to fail. But HR often continues relying on goodwill, responsiveness, and leadership effort long after the organization has outgrown what those alone can reliably hold.
Around 20 Employees: HR Is Mostly About Foundation
At this stage, most organizations do not need a large HR function. But they do need more than many assume.
The essential work is straightforward: hiring practices clear enough to create consistency, onboarding that does not depend entirely on memory, payroll and benefits that work reliably, and policies that establish basic clarity around expectations, time off, and employment decisions.
This is also the stage where early management habits quietly become cultural signals. Even with a small team, people are already learning how feedback happens here, how decisions are made, and whether expectations are explicit or simply assumed. When those basics are weak early, organizations often build informal habits that become harder to unwind later.
At this size, HR should not feel heavy. But it should be intentional enough that people are not relying entirely on proximity to leadership to understand how work happens.
Around 50 Employees: Managers Start Carrying More Than They Realize
At roughly this stage, the limits of informal management begin to show.
There are now enough people that not every question can flow through one or two senior leaders. Managers are handling performance concerns, navigating flexibility questions, supporting employee growth, and making judgment calls that shape employee experience in ways they may not fully recognize.
At fifty employees, teams have typically grown to five or six people each — large enough that not every question can flow through senior leadership, but small enough that informal management still feels like it should work. And that is precisely where the gap opens. Leading a team of that size well requires more than good instinct. It requires shared expectations for how goals are set, how feedback happens, how accountability is handled, and when concerns should be escalated — and most managers at this stage have not been given those tools.
This is also where variation becomes visible. One team feels clear and well-led. Another feels uncertain and reactive. Employees begin comparing experiences across managers, and trust is shaped as much by inconsistency as by intent.
At fifty employees, HR starts becoming less about handling isolated issues and more about creating enough consistency that managers are not inventing leadership practices on their own.
Around 100 Employees: Systems Begin Shaping Culture
By the time an organization reaches one hundred employees, HR is no longer operating quietly in the background. Whether leaders intend it or not, the strength of the function is now shaping culture directly.
Here is the insight that matters most at this stage: culture cannot be protected through values language alone.
Even strong values begin to feel hollow when systems do not reinforce them. Employees at this size experience the organization less through direct access to senior leadership and more through systems — how hiring feels, whether performance conversations happen consistently, whether compensation decisions make sense, whether growth feels visible and fair.
A common pattern: the organization still has committed leaders and good intentions, but key practices remain uneven. Performance conversations happen inconsistently. Role expectations drift. Promotion decisions feel unclear. Managers carry significant people responsibility without shared tools or criteria.
The work at this stage is not adding bureaucracy. It is strengthening the internal agreements that help people understand what fairness, growth, and accountability actually look like in practice. At one hundred employees, HR has become operating infrastructure. It is no longer simply support.
Around 250 Employees: Complexity Requires Design
By two hundred and fifty employees, HR capacity needs to be both operationally strong and strategically clear. Compliance matters more because complexity increases exposure. Employee relations become more layered. Leadership development can no longer happen casually. Compensation decisions require stronger structure.
Consider what this looks like in practice. A manager who was highly effective at fifty employees may be struggling at two hundred and fifty — not because their skills have diminished, but because the role now sits inside a more complex system. Span of control expands, decisions carry greater consequence, interdependencies multiply, and the informal support that once made success possible no longer scales. What often gets labeled as a performance issue is, in fact, a design issue: unclear decision rights, insufficient manager development, or operating structures still built for an earlier stage.
This is where HR can no longer simply respond. It has to help leadership think ahead — identifying where manager strain is accumulating before it becomes turnover, spotting which decisions still depend too heavily on individual judgment, and flagging which systems are compensating for gaps the organization has not yet formally addressed.
The strongest organizations at this stage stop asking whether HR is administrative or strategic. They understand it must be both.
What Matters Most Is Fit, Not Formula
None of this is prescriptive. A fifty-person nonprofit with complex funding structures may need stronger HR support than a larger organization with simpler operations. A distributed workforce may need more manager structure earlier. A rapidly growing team may feel pressure sooner than a stable one.
But the principle holds across contexts: HR has to evolve as organizational complexity evolves. What worked when questions could be solved informally often stops working once clarity has to travel farther across the organization.
The honest question is not whether your HR function is perfect. It is whether the current setup was designed for the organization you are running today, or the one you were running two or three years ago.
What Comes Next
Next week we will look more directly at what underbuilt HR actually costs — because one of the most common mistakes nonprofit leaders make is assuming lean HR saves money. Often it does the opposite, shifting cost into leadership time, avoidable turnover, delayed decisions, and legal exposure. The expense is real, even when it does not appear as a line item.
If this resonates, it may be worth asking: is your HR function designed for the organization you’re running today—or the one you were two years ago? We’d welcome a conversation.
Adam Francis-Maurer is the CEO and Co-Founder of Positively Partners, an HR consulting and outsourcing firm that helps mission-driven organizations build workplaces where people can do their best work. This series is developed with the help of the talented voices on the Positively Partners team. If this series is resonating, share it with a leader who needs it and follow along as it continues.
