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
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
Training Courses
Sharpen communication, presence, and delivery.
Executive Coaching
Tailored coaching for impact and clarity.
Assessments
Diagnostics for fast-track communication growth.
PSTI®
Quickly map public speaking anxiety and blockers.
Open Courses
Practical learning. Small groups. Real results.
Our open courses help professionalsbuild confidence, strengthen communication, and present with greater impact.
Delivered in small groups withexpert coaching, our programmes combine practical learning, live practice, andevidence-based techniques that create lasting workplace results.
Whether you're developing corepresentation skills or overcoming nerves, our open courses offer a supportive,high-impact learning experience in Reading, London, and selected UK locations.
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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.
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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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.

Build confidence, present with impact, and communicate with authority. Practical open courses for professionals who want to speak clearly, engage audiences, and perform at their best.
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Max 12 delegates for personalised attention
Learn by doing with real presentation practice
Receive constructive feedback to help you grow
Apply your new skills immediately at work
Effective Presentation Skills
2 days / 12 CPD hours
Story-driven presentations, engaging visuals, dynamic delivery.
View DetailsHide DetailsA two-day CPD-accredited course that helps you deliver presentations that inform, influence, and inspire. Blending performance psychology, improvisation, and hands-on coaching, you’ll refine how you structure, design, and deliver.
What you’ll learn:
Presentation Skills 101
1 day
Structure your talk, design your slides, bring your presentation to life.
A practical one-day course that helps you deliver presentations with greater confidence, clarity, and impact.
View DetailsHide DetailsBlending expert guidance, live practice, and focused feedback, you’ll strengthen how you structure, deliver, and engage.
What you’ll learn:
Presenting with Confidence
1 day / 6 CPD hours
Tools to manage nerves, build presence, and speak with calm authority.
View DetailsHide DetailsA one-day CPD-accredited course designed to help you manage nerves, build presence, and speak with calm authority. Perfect if you want practical tools to shift from fear to focus.
What you’ll learn:
Small group open courses running in Reading, London, and selected UK locations.

Dr Alexander McWilliam
Founder & Managing Director
Dr Alexander McWilliam is a leading expert in presentation skills, public speaking, and performing under pressure. Over the past 19 years, he has coached leaders, teams, and organisations worldwide to communicate with greater confidence, clarity, and impact.
Originally trained as an actor, Alex later gained an MSc in Psychology before completingh is PhD in public speaking anxiety in 2024 - making him the UK’s only PhD graduate in this specialist field. He combines behavioural science with the art of performance to help delegates achieve lasting, practical results.

Can I pay by invoice?
Yes. Many organisations prefer to book byinvoice. Simply select Reserve & Pay by Invoice whenbooking, and we’ll send confirmation and an invoice to your company.
Is this suitable for nervous orbeginner presenters?
Absolutely. Many delegates join because they want to feel more confident speaking in meetings, presentations, or client-facing situations. Our courses are supportive, practical, and suitable for all experience levels.
What is your refund and transfer policy?
We understand plans can change. Our standard policy is:
If we need to cancel or reschedule a course, you will receive a full refund or the option to transfer.
For full details, please view our Open Course Terms & Conditions.
Do I receive a certificate?
Yes. Delegates receive a certificate of attendance on completion. Our CPD-accredited courses also include recognised CPD hours where applicable.
Is lunch included?
Yes. Lunch and refreshments are included on full-day in-person courses unless otherwise stated. Dietary requirements can be provided during booking.
Can colleagues attend together?
Yes. We regularly welcome colleagues from the same organisation. If booking multiple places, please contact us for group rates or invoice booking options.
Join one of our practical opencourses and start presenting with greater clarity, confidence, and impact.