What a good bartender actually does

Nobody books a bartender because they want someone to open bottles. They book one because they do not want to spend their own party watching a queue build, counting ice, or having a careful conversation with the groom's uncle.

Most of that work is invisible by design. Here is what is actually going on.

The job starts before anyone arrives

Our bartenders arrive one to one and a half hours before service, and set-up and pack-down are part of the booking rather than extra on the end of it.

That hour is where the night is won. Ice gets stored out of the sun, garnish gets prepped, glassware gets unpacked and positioned, the bar gets built where the queue will actually form rather than where it looked good on a floor plan. A bar that opens cold and unprepared spends the first forty minutes catching up, and the first forty minutes are when everyone wants a drink at once.

It is also why the pack-down matters. At the end of a long night somebody has to deal with the glassware, the melt and the bins, and if it is not in the booking it is you, at midnight, in good shoes.

How many a room actually needs

This is the question we get asked most and the one people most often get wrong on their own. What we staff to:

• Up to 40 guests — one bartender, or one to two if cocktails are on the menu.
• 40 to 80 — one to two bartenders, two for cocktails.
• 80 to 120 — two bartenders, two to three for cocktails.

Notice that cocktails move the number every time. A beer and wine service is a pour; a cocktail is a build, and a build takes four or five times as long. Two people can hold a queue of eighty for beer and wine and the same two will fall behind on cocktails well before the speeches.

And the fix is not always more staff. Two service points beat one long bar at the same headcount, because a single bar has one front no matter how many people stand behind it.

Speed is a design problem, not a personality one

Fast bartenders are not fast because they move quickly. They are fast because the work was arranged so that less of it happens at the moment of ordering.

Anything that can be batched is mixed ahead in volume and poured to order, so a cocktail leaves the bar at the speed of a glass of wine. Garnish is cut before the doors open, not per drink. The two or three most-ordered drinks sit within arm's reach and everything else is behind them. A drink that has to be shaken individually with fresh citrus is lovely and it is also the slowest thing on the board, which is a decision to make deliberately rather than discover at nine o'clock.

The planning assumption underneath all of it: about two drinks per guest in the first hour, then one an hour after. That front-loading is the whole problem. Staff for the average and you are underwater for the first sixty minutes.

RSA and RMLV: what the certificates actually mean

Every one of our bartenders is RSA and RMLV trained — Responsible Service of Alcohol, and Responsible Management of Licensed Venues. They sound like paperwork. In practice they are the difference between a bar that runs itself and one that becomes your problem.

What it looks like on the night is mostly pacing: water going out without being asked, keeping an eye on who has had a lot and how quickly, slowing a service down rather than cutting it off, and knowing how to have the one genuinely awkward conversation of the evening quietly, early, and without it becoming a scene the whole room watches.

It is also what venues and planners ask about before they ask about anything else, alongside insurance — The Barmen is fully insured, which is the other box that has to be ticked before a venue will let a bar through the door.

The things you only notice when they are missing

Abandoned glasses cleared before the surfaces disappear under them. Ice managed so there is still some at eleven. Bins that do not overflow. A non-drinker handed something that looks like everyone else's drink rather than a soft drink in a plastic cup. The bar looking the same at the end of the night as it did at the start.

None of that is memorable when it happens, which is rather the point. It is only memorable when it does not.

What this means for your night

If you are deciding between doing the bar yourself and bringing someone in, the honest test is not whether you can pour a drink. It is whether you want to be the person who cannot sit down.

Below about twenty guests, a stocked table and something batched genuinely works. Above that, the bar is a job, and it is a job for the whole event.

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