Mersh Coaching
Business coaching

How to vet a business coach: the questions most people forget to ask

About 8 minutes · by Mersh, Executive & Business Coach

When you hire a business coach, you're handing someone real influence over decisions that affect your income, your team, and years of your effort. And yet almost nobody asks the one question that would tell them whether that trust is warranted: who trained you, and under what standard?

An unregulated title, hired for a regulated decision

Anyone, anywhere, can call themselves a business coach tomorrow morning with zero training. The title carries no legal protection in most countries. That alone isn't a red flag — plenty of skilled people never pursued formal credentials. But it does mean the burden of verification sits entirely with you, the client, and most people never think to exercise it.

What the ICF standard actually is

The International Coaching Federation (ICF) was founded in 1995 specifically to fill this gap — to give a profession with no legal title protection a real ethical and educational standard, and to certify practitioners based on actual logged training and practice hours, not just a claim.

A profession too large to wave off

According to ICF's 2025 Global Coaching Study — commissioned with PwC and based on survey responses from more than 10,000 coaches worldwide — the number of professional coach practitioners globally reached a record 122,974, up 15% from the 2023 study, with industry revenue climbing to $5.34 billion USD. Coaching isn't a passing trend at this point; it's an established profession with real structure behind it — which is exactly why telling the standardized version apart from the unregulated one matters more, not less.

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The three credential levels: ACC, PCC, MCC

ICF defines its standard through 8 core coaching competencies — including upholding professional ethics, creating a safe and trusting environment, being fully present, active listening, asking powerful questions, and facilitating real client growth and awareness. Based on those competencies, three credential levels exist:

The questions to actually ask

  1. Do you hold an ICF credential (or an equivalent recognized one)? If not, ask what standard, if any, your training followed.
  2. How many hours of approved training and logged coaching practice do you have? A specific number is a good sign; a vague answer isn't.
  3. Is your approach mostly asking questions, or mostly delivering solutions? Either can be valid — but you should know which one you're buying.
  4. Can you walk me through the structure of a typical session? A trained coach can describe this clearly, because it follows a real framework, not improvisation.
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Frequently asked questions

What does ICF stand for?

The International Coaching Federation, the largest global body setting standards for coaching, founded in 1995. Its 2025 Global Coaching Study counted over 122,974 professional coach practitioners worldwide.

What's the difference between ACC, PCC and MCC?

Three ICF credential levels based on training hours and real practice: ACC requires 60 minimum hours, PCC 125, and MCC 200 — each also requiring logged coaching hours with real clients.

If a business coach doesn't have an ICF credential, does that mean they're bad?

Not necessarily, but the absence of any verifiable standard means your only basis for trust is their own marketing.

Does having an ICF credential guarantee a good coach?

It guarantees a minimum ethical and educational standard — think of it as a first filter, not a final guarantee.