A seminar is a room full of people who want to learn something, and an expert who tells them. An afternoon on the new privacy law, a morning on leadership in a tight labour market. Coffee, slides, questions from the floor. The word comes from the Latin seminarium: a seedbed. A place where something is meant to grow.
Why a seminar matters
For experts who sell through their knowledge, a seminar is one of the oldest and strongest counters there is. In a few hours your audience sees how you think, which examples you have and whether it clicks. Nobody gets that from a brochure. For a law firm, a training provider or a consultancy, a seminar is often the first time a potential client experiences you in real life.
How a seminar is structured
A classic seminar has a fixed format:
- Arrival. Coffee, badges, networking. The first conversations happen here.
- Opening or keynote. Someone sets the tone and establishes the topic.
- Content sessions. One or more speakers share knowledge, often with real-world examples.
- Questions and discussion. The difference with a lecture: the room joins in.
- Closing. A summary, and ideally: what now?
An online seminar is usually called a webinar. A blend of web and seminar, same idea.
Seminar, workshop or symposium?
In a workshop, participants get to work themselves. In a seminar, they listen and ask questions. A symposium is bigger and more academic, with several speakers shedding light on a topic from different angles. The boundaries are blurry and many organisers use the words interchangeably. Pick the word your audience uses itself.
Where it goes wrong
The seminar that ends with “thank you for coming, drinks are served”. Everyone has had a good afternoon. Everyone goes home full of knowledge. And nobody knows what the next step is, because it was never mentioned. You filled the room, paid the speakers and sorted the catering, only to give a free course.
The OMB view
A seminar isn’t knowledge sharing with drinks afterwards. It’s a counter. Knowledge proves your value; your offer cashes it in. That doesn’t mean you have to pitch, but it does mean daring to say what can happen after today: a call, a scan, a programme. And following up personally with everyone who was there within a few days. A full room is the start, not the finish. How to build such a meeting from offer to follow-up: read about event marketing.
Explained by Rubin Koot, Online Marketing Bakery. Updated 10 November 2026.