HR consulting niches: pick a wedge, not the whole function

HR is a function, not an offer. A founder lying awake over a bad hire doesn’t search for an “HR consultant” — they search for help with hiring. Your job is to pick the wedge you can prove, aimed at the company size that feels that pain most. Below: the lens, then five wedges with buyers and market pricing ranges (context, not promises).

The company-size lens

• 10–50 employees: no HR at all. The founder does it, dreads it, and knows they’re winging it. They buy outcomes, fast.
• 50–200 employees: one overwhelmed generalist. They buy project help and specialist backup.
• 200+ employees: specialists exist. They buy narrow project work — a harder first sale with a longer cycle.

Your niche is a wedge crossed with a size. Here are the five that sell most reliably — and once one of them looks like yours, the free consulting rate calculator pressure-tests what you could charge against your income target and billable hours.

Five wedges that sell

1. Fractional HR for 10–50 employee companies

Buyer: the founder or COO. Offer: a monthly retainer covering policies, hiring support, and employee-issue triage — often $1,500–$4,000 a month for a defined cadence. Recurring, sticky, and the natural expansion path for everything below.

2. Hiring systems for founder-led companies

Buyer: a founder making their fifth to twentieth hire, burned by at least one miss. Offer: a structured hiring buildout — role scorecards, interview kits, decision rubrics — commonly $3,000–$7,500 fixed.

3. Onboarding program builds

Buyer: companies growing fast with early turnover showing up in exit conversations. Offer: a 30-60-90 onboarding system with manager guides and check-in cadence — typically $2,500–$6,000.

4. First-time-manager training

Buyer: companies that promoted individual contributors into management with zero training and are now seeing the cost. Offer: a workshop series plus office hours — often $3,000–$10,000 per cohort.

5. Performance-review process design

Buyer: 50–300-person companies whose review cycle is a yearly panic. Offer: review-cycle design — competencies, calibration process, templates, timeline — commonly $4,000–$9,000.

Stay on the process side of the line

Handbooks, terminations, accommodations, investigations: anything legal goes through the client’s employment counsel — you’re the process builder, not the lawyer, and your proposals should say so explicitly. (The same boundary applies to us: Consulting.me doesn’t give legal advice either.) Consultants who state that boundary up front close more deals, because buyers trust the person who knows where their expertise ends.

Proof that isn’t a certification

SHRM and PHR letters open doors; they don’t close them. What closes is a sentence like “cut time-to-hire from 60 days to 30” or “built onboarding for a 40-person team that cut first-year turnover by a third.” Write down three of those from your own history before you write a single proposal — the niche framework shows how to score them, and the 30-day plan turns the winner into outreach. Your work is project-shaped, so consulting niches for project managers is worth a read too.

Or let the free niche read do the weighing: two questions about your HR background, an instant verdict on your most sellable wedge, about two minutes.