About

At Improv4Business, we believe great communication shouldn’t be scary — or boring.

We blend psychology, acting, and improvisation to help people find their voice and use it with impact. With 18+ years of experience and peer-reviewed research, we’ve helped everyone from nervous first-timers to CEOs become confident, clear, and compelling communicators.

How we can help

Our Story

Our Mission

Meet the Team

How We Do It

What we offer

Expert-led communication solutionsrooted in performance psychology, acting, and improvisation.

High-impact communication programmes for individuals, teams, and organisations. Using performance psychology, acting, and improvisation, we help you transform nerves into strengths and everyday speakers into standout communicators.

How we can help

PSTI^®

Serious science. Zero waffle. Real results.

The PSTI^® (Public Speaking Threats Inventory^®) is a fast, research-backed tool that helps you pinpoint exactly why speaking in front of others can feel nerve-wracking — even if you’ve done it before.

In under 10 minutes, it uncovers the hidden blockers that get in the way of clear, confident communication. Whether you're speaking to five people or five hundred, the PSTI^® delivers practical, personalised insight to help you take the stage with less stress — and way more confidence.

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How It Works

Explore Report Tiers

Research & Insight

FAQ

For Teams & Organisations

Clients

We’ve helped teams of all sizes become more confident, connected, and compelling communicators.

From fast-growing startups to global brands, we partner with organisations that want more than box-ticking training. Whether it’s unlocking confident voices, transforming internal comms, or preparing leaders for high-stakes presentations — we focus on real change, with measurable results. Explore our client base and dive into customer stories to see how we make communication click.

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Our Clients

Customer Stories

Resources

At Improv4Business, we believe learning should be useful, inspiring — and easy to access.

Explore practical tools, expert insights, and real-world stories to help you grow as a communicator. From podcasts and articles to FAQs and downloads, our resources are designed to give you clear, actionable guidance — anytime you need it.

Pinpoint your public speaking triggers in minutes

The Public Speaking Threats Inventory® (PSTI®) is a research-backed assessment that reveals your unique confidence barriers — and gives you a personalised roadmap to overcome them.

Peer-reviewed & psychometrically validated
GDPR-compliant — no account needed
Complete in under 10 minutes
Over 1,000 completions worldwide
For individuals, teams & coaches

Start with Starter Compare Reports

Evidence-based
Peer-reviewed research and validated methods

GDPR-compliant
Private, secure, and accessible

Proven track record
1,000+ completions and counting

For everyone
Trusted by individuals, teams, and coaches

How the PSTI^®assessment works

Choose your report tier

Select the right option for your needs: Starter for a 1-page overview, Pro fora 12-page deep dive, or Executive for advanced insights with 1:1 coaching.