What Does a Chief of Staff Actually Do at a Small Company?

Apr 7

The Chief of Staff title has been around in large organizations — governments, Fortune 500 companies, the military — for decades.

But in the last few years, it's moved into the startup and small business world in a big way.

And with that move comes a lot of confusion about what the role actually looks like when you're 10 people, not 10,000.

woman wearing glasses in black and white with laptop - chief of staff

This post is specifically for founders of small, remote-first companies who are curious about whether a Chief of Staff makes sense for them — and what they'd actually be getting.

What a Chief of Staff actually does, day to day

This varies significantly based on the company and founder, but the most common areas of ownership include:

Operating rhythm and priorities

The COS often owns the founder's weekly rhythm — what's on the agenda, what needs a decision, what can be handled on their behalf. They sit in key meetings, synthesize what happened, and make sure the right follow-through occurs.

Cross-functional project leadership

When something important needs to happen that cuts across multiple teams, the COS often owns it. They're the person who makes sure the handoffs happen, the blockers get raised, and the project actually lands.

Internal communication and alignment

The COS is often the person who translates leadership decisions into clear communication for the team. They write the all-hands update. They make sure the message from leadership matches what the team actually heard. They close the feedback loop.

Stakeholder management

For founders with investors, board members, or key partner relationships, the COS often manages the operational side of those relationships — prep, follow-up, tracking commitments.

Special projects

Anything that's important, time-bounded, and doesn't fit neatly into an existing team's scope often lands with the COS. New market analysis, hiring process design, a vendor evaluation — the COS is often the 'owner of the important thing that doesn't have an owner yet.'

What a Chief of Staff is not

Just as important as knowing what they do is understanding what they're not:

Not an executive assistant. EA work is logistics and scheduling. COS work is strategy and execution. Both are valuable; they're different jobs.
Not a project manager. PMs own specific projects within defined scope. The COS owns whatever crosses functions or lands on the founder's desk.
Not a COO. The COO owns the operating model of the business. The COS amplifies the founder. In a larger company these are distinct; in a smaller company they can overlap.

Signs your small company needs a Chief of Staff

You have great people but cross-functional work breaks down because no one is tracking it
You're spending significant time on communication, meeting prep, or follow-up that shouldn't require you
Important decisions get made in your head and never get communicated clearly to the team
You're involved in too many conversations that don't actually require you
You have a strong instinct about where you want to go but limited bandwidth to actually get there

💬 YOU MAY ALSO LIKE: COO vs Chief of Staff — which does your business need?

Why 'fractional' makes sense for most small companies

A full-time Chief of Staff is a significant hire, typically at a director or VP level in terms of compensation. For most companies under 30 people, that's not the right investment yet.

A fractional COS gives you the same caliber of operator — embedded, accountable, doing real work — at a scope and investment that fits your stage.

And because a good fractional COS has worked across multiple businesses, they often bring pattern recognition that an internal hire wouldn't have.

Frequently Asked Questions (FAQs)

Not quite. A COO owns the operating model of the business — systems, processes, cross-functional infrastructure. A COS amplifies the founder — operating rhythm, priorities, cross-functional execution on leadership's behalf. They often overlap, and in smaller companies one person can serve both functions.
In most small companies, the COS is effectively a director or VP-level operator. They need to be credible with the leadership team, able to run complex projects independently, and trusted with sensitive information. This is not an entry-level role.
Yes — and in many cases, remote-first companies benefit most from a COS who is also remote-first, because they understand how distributed teams work and how to create alignment without physical presence.
If the founder is the bottleneck — too many decisions, not enough leverage, priorities not being executed — you need a COS. If the business itself is the problem — broken cross-functional coordination, inconsistent execution, no operational rhythm — you need a COO. Often the answer is both, scoped appropriately.
Full-time COS roles at small companies often run $100–150K+ in salary. Fractional engagements are significantly less and scoped to the business need. Most fractional COS arrangements are monthly retainers — no hourly tracking, no scope creep surprises.