Head of Operations vs. COO: What Are the Differences?

Head of operations and COO often describe the same person at different points in a startup's life. A company hires someone to run operations early on and calls the job "head of operations" because "chief operating officer" sounds oversized for a 20-person team. The title changes to COO later, usually once the company has grown enough to need P&L accountability and authority over multiple department heads, sometimes without the job itself changing much on day 1.

Head of operations vs. COO at a glance

Factor	Head of operations	COO
Main focus	Running operational workflows within a defined scope	Owning the operating model across multiple functions
Typical duties	Process building, vendor management, hiring for the ops function, day-to-day execution	Cross-functional strategy execution, P&L ownership, department head management
Reports to	CEO or a VP	CEO
Typical employer	Early-stage startups (roughly 10 to 100 employees)	Scale-ups and larger companies with product-market fit
Closest BLS occupation	General and operations managers	Chief executives
Education	Bachelor's common; not always required at early-stage startups	Bachelor's required; MBA common
License or certification	None required	None required
Median pay (BLS, May 2025)	$105,770 (general and operations managers)	$213,990 (chief executives category)
Job outlook (BLS, 2025-2035)	5% (top executives group, which includes this occupation)	3% (chief executives)
Work setting	Office, hands-on across whatever function needs it that week	Office, cross-department meetings, less hands-on execution

BLS doesn't track either title directly. Head of operations maps most closely to general and operations managers (SOC 11-1021), a broad category for managers who oversee day-to-day operations within a defined scope. COO maps to chief executives (SOC 11-1011), the same broad category BLS uses for CEO and president.

What does a head of operations do?

At an early-stage startup, "head of operations" usually means the person who makes the business run: hiring the first ops hires, setting up the systems that don't exist yet, and personally handling whatever falls outside sales, product, and engineering. Kruze Consulting, which advises startups on finance and operations, describes this stage as one where an operations hire solves execution problems because processes aren't stable yet, rather than designing a full operating model from a position of executive authority.

Typical duties include:

• Building processes for things like vendor onboarding, expense approval, or customer fulfillment that didn't previously exist
• Managing a small operations team or working solo across HR, finance admin, and office operations
• Negotiating contracts with vendors, landlords, and service providers
• Reporting metrics to the CEO and flagging operational risks
• Taking on whatever operational fire needs putting out that week, regardless of formal job description

Work setting and typical day

The job is hands-on. A head of operations at a 30-person startup might spend the morning fixing a payroll error, the afternoon negotiating a lease renewal, and the evening drafting an onboarding process for the 5 people starting next month. There's little delegation available yet, since the team is small enough that the head of operations often is the operations team.

Career path

Most people land this title through general management, operations, or finance roles at larger companies, then join a startup specifically for the broader scope and equity upside. Some come from consulting backgrounds where they've seen operations across many companies and can build from scratch faster than someone who's only run an existing system.

Because the title varies so much by company, a candidate evaluating a head of operations offer needs to ask specifics: how many people report to the role today, what budget it controls, and whether the founder plans to hire a COO above it later. 2 companies posting the identical title can mean a job running a 3-person team and a job effectively doing everything a COO would do at a slightly larger company.

What does a COO do?

A COO owns the operating model across the whole company, not just 1 function. CRV, a venture capital firm that works with startup founders on executive hiring, describes the distinction as authority rather than seniority alone: a COO manages department heads across sales, marketing, customer success, and people, carries profit and loss accountability, and can make binding commitments without asking the CEO first. A VP or head of operations runs a function with narrower scope, inside a lane someone else defined.

Typical duties include:

• Setting the operating model that other department heads work inside
• Carrying P&L accountability for some or all of the business
• Managing multiple function heads, not just an operations team
• Making resourcing and prioritization calls across departments without CEO sign-off on every one
• Representing operations to the board and investors alongside the CEO

When companies make the switch

CRV's guidance points to product-market fit and a repeatable operating model as the real trigger, not headcount alone, though headcount often tracks the same timeline: companies tend to formalize a COO title once they have enough structure that executive-level ownership of operations, rather than hands-on execution, becomes the actual job. Hiring a COO before that point adds a layer of executive complexity the company doesn't have the foundation to support yet.

Work setting and career path

COOs work across more meetings and fewer individual tasks than a head of operations, spending time with department heads, the board, and the CEO rather than personally executing operational fixes. Most COOs have already run a function or a division somewhere, at a startup or a larger company, before taking the title.

Key differences

Scope of authority

A head of operations owns a function. A COO owns the operating model that connects multiple functions, plus the standing to hold other department heads accountable, not just their own team.

P&L accountability

COOs typically carry profit and loss responsibility for some or all of the business, which comes with authority to make resourcing tradeoffs. A head of operations usually manages a budget for their own function without that broader accountability.

Reporting relationships with peers

A head of operations is often a peer to other functional leads, sometimes below them in informal seniority even while reporting to the CEO. A COO typically sits above other department heads in the reporting structure, even when everyone technically reports to the CEO on the org chart.

What has to be true at the company

The title change usually tracks company maturity: a repeatable operating model, multiple department heads who need cross-functional coordination, and a CEO who wants to hand off day-to-day operating decisions rather than make every call personally. A company without those things gains little by renaming a head of operations to COO.

Pay and equity

Compensation moves with the title change: BLS data puts general and operations managers at a median of $105,770 in May 2025 against $213,990 for chief executives, and at actual startups the COO title typically comes with a larger equity grant tied to the broader scope and accountability.

Where the roles overlap

• Both sit close to the CEO and get pulled into whatever cross-functional problem doesn't have an obvious owner.
• Both need to be comfortable building process from scratch, since most startups haven't documented how anything works.
• The same person frequently holds both titles across their career at 1 company, moving from head of operations to COO as the company grows around them.
• Neither role has a fixed job description; the actual duties depend heavily on what the CEO delegates.

Moving from head of operations to COO

Building toward a COO title from a head of operations seat usually means expanding scope before the title catches up: taking on a second function, owning a piece of the P&L, or becoming the person other department heads route decisions through. Boards and CEOs tend to formalize the COO title once that expanded scope is already happening in practice, rather than granting the title first and expecting the scope to follow.

If you're weighing this move against other operations-executive titles, see COO vs. executive director and COO vs. president for how the COO title compares once a company has more than 1 senior operations seat.

FAQ

Does every startup eventually rename its head of operations to COO?

No. Plenty of startups keep the head of operations title indefinitely, especially if the company stays lean or the founder prefers a flatter title structure. The rename tends to happen when investors or the board push for clearer executive accountability, or when the person in the role has genuinely taken on COO-level scope.

Is head of operations a step down from COO?

Not necessarily a step down, more a difference in company stage and scope. Someone can hold a head of operations title at a fast-growing startup with more actual authority than a COO title holder at a company where the role is largely ceremonial.

Which title looks better on a resume?

COO signals broader, cross-functional authority to anyone reading the resume cold. A head of operations title at a company where you can point to specific outcomes (a process you built, a team you scaled, a budget you owned) reads just as well as a COO title with vague duties attached.