Team event for large groups: what matters from 60 people on

Title tag (58 ch.): Team Event for Large Groups: What Counts From 60+

With 15 people, everyone knows everyone, one facilitator is enough, the task explains itself. At 60, 70, or 200, that tips over. Without a clear split, a quarter of the room ends up watching while three volunteers do the work up front. That's the real problem with large team events: not the venue, not the catering, but how a crowd turns back into individuals who actually do something.

We've built this more often than the number suggests: 60 people for Personio, 70 for EY, over 30 for CRX Markets, all at Bahnwärter Thiel in Munich. And in Frankfurt, for Helaba, considerably more, as a walk-in format at a trade fair. What worked across all of them isn't luck. It's a pattern, laid out below.

What actually works with large groups

1. Small teams, not one mass. For Personio, we split 60 people into six teams. Each team came up with its own word and turned it into its own graffiti piece. At that team size, every person works the wall instead of standing next to it.
2. One shared piece built from many parts. For CRX Markets, each team designed one letter of a shared word. What ends up on the wall is something no one could have written alone, but everyone helped build. That's the difference between "30 people paint something" and "30 people built one result together."
3. The wall grows with the group, not the other way round. Once a team of ten outgrows its section, we split the wall into more segments. At Helaba it even ran as a walk-in at an internal trade fair in Frankfurt: no fixed slot, people came and went across the day, a format that carries three-digit headcounts.
4. The duration stays the same no matter how many show up. Two to three hours, whether 20 people or 200. The difference is in the number of parallel stations, not more time per person. Everyone works at once, nobody waits for their turn.
5. Price per head drops with group size. Our tier runs from €129 down to €109, €99, €89, and from 251 people, €79 net per person. Travel, setup, and staffing happen once regardless of headcount, so every extra person makes the average cheaper.
6. Lead time stays manageable. One to two weeks is enough for us, even for large groups; shorter has worked too. What actually takes time isn't the wall, it's the internal coordination: who writes the invite, who books catering, who signs off the budget with leadership.

When points 1 and 2 come together, you get what Personio experienced: six different teams with six words they brainstormed themselves, turned into six separate graffiti pieces. Nobody dictated the motif. The teams invented it and then built it. That's a different thing from a paint session where 60 people trace the same template.

Why headcount alone is the wrong question

"How many people fit on your wall?" is the most common question, but it frames the problem backwards. It's not the wall that limits group size, it's the split. At EY, 70 people worked at Bahnwärter Thiel in separate groups, each with its own brainstorm, each building its own result. Afterwards everyone went to dinner together at La Favela. The event worked not because of a huge wall, but because 70 people were split into manageable units that could work in parallel.

Helaba scales the same way with a considerably larger headcount, because the format isn't "everyone at one spot at once," it's a walk-in spread across the day. The range from 30 to roughly 500 people isn't a marketing line, it's the result of the same two levers: team size per station, and number of stations. Ask a provider for a maximum number and you rarely get the useful answer. The right question is: how do you split us up so everyone works instead of watching?

Anyone looking for research here won't find a clean size comparison: studies measuring team building at large versus small groups don't exist in a citable form. What is documented is the effect of team-building activities in general: a meta-analysis by Klein and colleagues (2009, Small Group Research) shows measurable effects on collaboration and outcomes. The split question stays practical knowledge, which is exactly why we're telling it here through real dates, not theory.

What this means for your planning

Two questions decide the format before the venue is even up for debate. First: should every team walk away with its own self-contained result, like Personio, or should there be one shared piece at the end, like CRX? Both work, but the choice changes how the wall gets divided and how the debrief runs. Second: does the event run as a fixed block with a fixed start, or more like a walk-in where people drop by across the day? At a conference or trade fair like Helaba's, walk-in is nearly mandatory; for a classic afternoon with one team, a fixed block usually fits better.

If your date needs a weather backup, you switch from wall to canvas indoors using the same split logic, without the small-team principle or the price tiers changing. If your group grows shortly before the date, that's not a problem either, as long as you tell us the new number in time. The split into small teams scales upward without needing a different format.

Who has to sell the budget internally

Whoever books a team event for 60, 100, or 200 colleagues is rarely the only person involved. Usually someone in HR, office management, or the CEO's assistant has to justify the spend internally before a provider even gets asked. Two numbers matter for that justification: the price per head, and what's left afterward.

Price per head drops with group size, as above, and that's easy to run against any budget line. What's left is, literally, the result on the wall or canvas: at Personio, six finished graffiti pieces hang, one per team, still serving as a reminder weeks later. At CRX Markets, a shared word stands, and the photo went on to live in email signatures and internal channels. A team event that leaves nothing visible after two hours is harder to justify than one that produces something you can point at.

It also helps internal sign-off that the format doesn't lock to a fixed headcount. If the guest list grows between the offer and the date, as often happens with internal events, the underlying logic doesn't change: the small-team split gets one more team added, and the price tier adjusts automatically at the next threshold. That takes the pressure off whoever's planning to commit to a firm number too early.

Large group, little time on the calendar

Large groups often also have little shared time. Lunch break, an afternoon between two meetings, the tail end of an internal event: we've worked in exactly those tight slots. A T.con team completed a 40-square-metre graffiti piece at Werksviertel during lunch, not half a day, not an evening slot, just the time already set aside for the break. At Ruby Hotels, the format ran until 9:30pm in the evening; at GKM, as part of a summer party at the Botanikum.

For planning, that means: group size determines how many small teams you need, and available time determines how many stations need to run in parallel for everyone to finish. Both questions can be answered independently of each other, before you even lock in a date.

How the day actually runs

The date starts with a short briefing at the wall: spray-can technique, safety distance, who works where. After that, you take over. Nobody needs prior experience, that holds at 15 people just as much as at 70. Paint, materials, protective covers, and crew, we bring all of it; we secure the permit for the legal wall ourselves.

Two to three hours later, the result stands. On a wall, it stays put afterward, so you can show it off weeks later, and you get the drone footage too. If your date needs to be weatherproof, you switch to canvas using the same technique; the small-team split stays the same.

The craft behind large surfaces

Behind the split is craft you no longer see in the finished image. Three examples from real dates:

Stencils make letters divisible. At the Helaba event in Frankfurt, the word took shape as balloon-style 3D letters, each letter cut into seven parts, sprayed one after another through small stencils. That way one person could take on a step without risking the overall piece, and passers-by could join spontaneously: background first, then the letters together.

Masking builds the frame in. At Ifco in Werksviertel, painters masked the edges with tape before painting; once peeled off, each piece had a clean passe-partout border. The pictures were then handed out at random, and everyone took their piece home.

Switching to canvas keeps the logic stable. Wall or canvas, spray-can technique, small-team split, and price tier stay identical either way. That's why a weather change doesn't mean starting the plan over, just changing the location.

Where this leads in Munich

All three Munich cases above ran at the Hall of Fame at Bahnwärter Thiel in the Schlachthofviertel, a legal graffiti wall. How a graffiti team event at Bahnwärter Thiel actually runs, from briefing to finished wall, is on the workshop page. The Personio case with six teams and six words is documented as team event for 60 people at Personio, the EY case with 70 people as EY at Bahnwärter Thiel. An overview of every format for team events in Munich covers everything from small groups to the large-group cases here.

Frequently asked questions

From how many people does a team event get unmanageable?

It's not the number itself that makes an event unmanageable, it's the absence of a split. 15 people without structure can fall apart just as easily as 200 with structure can't. Once not everyone can work at one surface at the same time, a fixed small-team split pays off — Personio used six teams for 60 people.

Can everyone really take part with 100 or more people?

Yes, as long as the surface is split into enough stations. At Helaba that ran as a walk-in across the day with a considerably larger headcount; at the Bahnwärter Thiel cases, in parallel small teams at a shared wall. The limit is the split, not the headcount.

What does a team event for a large group cost?

Price drops with group size: €129 per person for small groups, then €109, €99, and €89, down to €79 net from 251 people. Travel and setup happen once regardless of headcount, so every extra participant lowers the average.

How much lead time does a large-group team event need?

One to two weeks is usually enough for us, even for 60 or more people; in individual cases it worked within 48 hours. The actual time sink is usually internal coordination, not the booking itself.

Does this work in bad weather or indoors too?

Yes. If your date needs to be weatherproof, you switch from wall to indoor canvas using the same split logic. Small-team principle and price tier stay unchanged.

Does every team need its own result, or can it be one shared piece?

Both work. At Personio, every team got its own word and its own graffiti; at CRX Markets, every team contributed one letter to a shared word. You decide upfront, and it determines how we split the surface.

What's left afterward that you can show internally?

One finished piece per team, or one shared overall image, plus photos of the day. At Personio, the six team graffiti pieces still hang weeks later as a reminder; at CRX Markets, the photo of the shared word went on to live in email signatures.

Your date

Send us the headcount and your preferred date, the offer comes back within 24 hours, one to two weeks of lead time is enough. Request a date in Munich.

Written and checked by Luca von Oesen, Brain2Canvas (Restless UG, Hamburg). Last updated 8 August 2026. Prices, process and references from our own events.