Every founder-led company reaches a point where the founder answers too many questions. Hiring stalls because the founder interviews every candidate. Projects wait for a decision. Staff know what the founder wants this week but not this quarter. A fractional COO is the operator who takes that load, one or two days a week, on a retainer, while serving a few other companies at the same time. Some call it a part-time COO; an interim COO is a different arrangement, a full-time stand-in for a few months.
What a fractional COO owns
At a $1M to $100M company the role usually covers four areas.
Structure. An accountability chart with one owner for each function, written down and agreed. At 30 employees this often reveals that the founder owns seven functions.
Rhythm. A weekly leadership meeting with a fixed agenda that ends in decisions and owners, a monthly review of the numbers and a quarterly planning session that sets three to seven priorities.
Measurement. A scorecard of 5 to 15 weekly numbers, each with an owner and a target, so a problem shows up within a week.
Process. The handful of core processes, such as sales handoff, delivery, hiring and billing, written down simply enough that a new hire can follow them.
Many fractional COOs work as integrators inside the Entrepreneurial Operating System (EOS), where the founder is the visionary and the integrator runs the business day to day. Others use Scaling Up, OKRs or their own methods. The tool matters less than the discipline of running it every week.
Hours and fees
A fractional COO typically works one to two days a week, with the weekly leadership meeting as a fixed point. Published retainers run $3,500 to $15,000 a month, and one day a week usually costs $5,000 to $10,000 at a $3M to $30M company. Lighter advisory arrangements with a monthly session start lower. The cost guide covers the details.
When to hire one
The usual signs are: the founder works more hours each year while growth slows; the company has 20 to 100 employees and still runs on informal agreements; the leadership team meets but nothing changes; a key manager has left and taken the know-how with them; or the company has adopted EOS or a similar system and nobody is running it. Founders preparing to sell often hire a fractional COO because a buyer pays less for a business that depends on its owner.
Who it is not for
A company with fewer than ten employees rarely has enough operating complexity for the role. A founder who is not willing to hand over real decisions will waste the retainer, because a COO without authority becomes an expensive note-taker. And a company in a full operational crisis, such as a failed system migration or a plant shutdown, needs someone on site full-time.
What to look for
Ask what operating system the candidate uses and how they install it. Ask for examples at your size and in your type of business, because running a 40-person agency differs from running a 40-person manufacturer. And ask how they will hand over, since the best fractional COOs build a structure that runs without them.