Typical commitment
8–20 hours a month
Deployed in
2–3 business days
Best fit
20–500 employees
A fractional HR expert is a senior HR leader — typically a CHRO, HR director or specialist — who works inside your business part-time. You get the judgement and output of an executive seat without adding a full-time salary. This page is the plain definition, the real cost numbers, and the situations where it is the wrong answer.
The definition, without the sales language
Fractional HR means buying a fraction of a senior HR executive's time rather than all of it. The person holds real authority over the people agenda — policy, compliance, performance, compensation structure, manager coaching — and is accountable for outcomes, not for producing a report and leaving.
It is distinct from three things it gets confused with. An HR consultant is engaged for a defined piece of advice and usually scoped by deliverable. A PEO or employer-of-record provider takes over employment administration so you stop being the employer of record. HR software automates the transactions. A fractional HR leader sits above all three: they decide what the business needs, then choose and run the consultants, providers and systems that deliver it.
The commercial logic is straightforward. A full-time HR director in Canada carries a base salary in the $130,000 to $165,000 range, plus employer costs of roughly 15 to 25 percent on top once benefits, payroll taxes and vacation coverage are counted — call it $150,000 to $205,000 a year for the seat. A fractional retainer for 8 to 20 hours a month typically lands between $2,500 and $8,000 a month depending on seniority and scope. Those figures are illustrative models, not a quote, but the ratio is the point: most companies between 20 and 200 people need the judgement, not the calendar.
What fractional HR actually covers
The work clusters into four areas, and a single engagement can touch all of them in the first ninety days.
Employment compliance and documentation: contracts, policies, terminations, investigations and the records that decide whether a dispute is defensible. This is usually where the exposure sits, because it is invisible until it becomes a claim.
People structure: levelling and pay bands, performance frameworks, org design, and a compensation structure defensible to a board, an investor or a tribunal.
Manager capability: the honest reason most people leave. Fractional leaders coach the manager layer directly — difficult conversations, performance documentation, escalation discipline.
Talent and systems: role scoping and hiring process, plus the HRIS, ATS and payroll stack that has to hold all of the above without manual reconciliation.
The six signals that say you need it now
You are approaching your first fifty to a hundred hires, where informal process stops working and every manager is improvising.
You have started employing people in a second province or country, and the contract template has not caught up.
You have promoted your first layer of managers, and none of them have been taught to run a performance conversation.
You have a compliance deadline, an audit, a claim or a termination that has made the risk feel real.
You are preparing for a raise, an acquisition or a board review and the people narrative is thinner than the financial one.
Or the simplest one: someone senior is doing HR badly, part-time, on top of their real job — usually the founder or the finance lead.
When fractional HR is the wrong answer
If your organisation genuinely needs daily, full-time HR presence — a large hourly workforce with constant employee relations volume, or a business past roughly 500 people with a function to run — a permanent seat is correct and a fractional retainer will under-serve it.
If you have no compliance exposure, no manager layer and fewer than twenty people, you may need a few documents once rather than an ongoing relationship. A fixed-fee diagnosis is the right purchase in that case.
And if the problem is a single, specific legal question, an employment lawyer is cheaper than any HR model. The discipline is naming the problem before choosing the instrument.
How an engagement usually runs
Intake takes under five minutes. The first step is a diagnosis: six hours of structured work against your documents, systems and org design, returned as a costed, prioritised roadmap rather than a generic report.
From there the model is chosen by the workload, not by a package — a fractional CHRO on retainer, a specialist on a defined project, a systems rebuild, or nothing at all beyond the roadmap.
Deployment is typically two to three business days from client onboarding, which is the difference between an urgent people problem being handled this week rather than next quarter.
Where to go next
FAQ
Questions this definition usually raises
What is the difference between fractional HR and an HR consultant?
A consultant is engaged to advise and typically scoped by deliverable. A fractional HR leader is embedded in the business with authority over the people agenda, the calendar to do the work, and accountability for the outcome — including running the consultants and systems around it.
How much does fractional HR cost in Canada?
Retainers commonly fall between $2,500 and $8,000 a month for 8 to 20 hours, depending on seniority and scope. Fixed-fee pieces are separate: a strategic HR diagnosis is $1,750 for six hours, a payroll and HR technology audit is $2,500, and an employer brand programme is $4,500.
How many hours a month does a company usually need?
Most companies between 20 and 200 people use 8 to 20 hours a month, with heavier intensity in the first ninety days for diagnosis and documentation, then a steadier cadence. The retainer is reviewed as the workload changes rather than fixed for a year.
Can fractional HR replace our existing HR team?
Usually it should not. Most clients have an HR function that is stretched rather than broken. The common pattern is senior judgement added above it, automation added underneath it, or specialist capacity brought in beside it.
Do fractional HR experts work on-site?
Delivery is remote-first, with on-site work where the diagnosis needs it — a site walk, a manager workshop, an investigation. Companies across Canada and the United States are supported on that basis.
Next step
Not sure which model fits? That is what the diagnosis is for.
Six hours, a fixed fee, and a costed roadmap that tells you whether you need a retainer, a permanent seat, a system, or nothing at all.