Building a show revenue bridge analysis that survives a finance review

Gross revenue went from 13.7 million to 15.1 million. The show director says the sales team had a very good year. The finance director asks how much of it was price, and the room goes quiet.

That question is not hostile and it is not unusual. Every planning function outside events answers it as a matter of routine, because a revenue increase driven by selling more and a revenue increase driven by charging more have different repeatability, different margin consequences and different implications for next year's target. An organiser who cannot separate them is presenting a number that finance will discount on principle.

The technique behind a show revenue bridge analysis is price volume mix, borrowed straight from financial planning, and it takes about an hour on a show with clean space data.

Three lines before you decompose anything

Total show revenue is not one thing, and bridging it as one thing produces an average that describes none of it.

Split it first by revenue line. In this example, exhibit space went from 11,257,500 to 12,452,160. Sponsorship went from 1,840,000 to 2,105,000. Registration and delegate revenue went from 610,000 to 548,000.

The three sum to 13,707,500 and 15,105,160, so the total change is 1,397,660, or 10.2 per cent. Space contributed 1,194,660 of that, sponsorship 265,000, and registration took 62,000 away.

Already the story is different from what the headline implied. Sponsorship grew 14.4 per cent on a small base, delegate revenue fell 10.2 per cent, and the bulk of the movement is in space, which is where the decomposition earns its keep. The two smaller lines deserve their own treatment rather than a paragraph, and I would bridge them separately rather than fold them into a blended rate that mixes a square foot with a conference seat. The delegate line in particular is really a question for attendee analytics, since its volume is people and its price is a policy.

Volume, mix and rate on the space line

Space revenue has a natural quantity and a natural price. The quantity is net square feet sold. The price is the realised rate per net square foot, after discounts, which is the only rate worth bridging on. Comparing that rate across venues and halls, which is a different exercise, is revenue per net square foot and belongs to F37.

The show sold 39,500 net square feet last year at a blended realised rate of 285, which is 11,257,500. This year it sold 42,000 at a blended 296.48, which is 12,452,160.

The blended rate moved 11.48, and a naive bridge stops there and calls it a price rise. It is not, because the show also changed what it was selling. Premium inventory, meaning island and front-of-hall positions, went from 20 per cent of the floor to 24 per cent.

So there are three effects, and the order you take them in matters because the residual has to land somewhere. I would use prior-year rates as the base.

Volume effect: 42,000 minus 39,500, which is 2,500 additional net square feet, valued at the prior blended rate of 285. That is 712,500.

Mix effect: hold both years' rates at last year's levels and ask what this year's mix alone would have done. Last year's rates were 345 for premium and 270 for standard, which at a 20 per cent premium share gives the 285 blended figure. At this year's 24 per cent share, the same rates give 0.24 times 345 plus 0.76 times 270, which is 82.80 plus 205.20, or 288.00. The mix effect is 42,000 times the three point gap, which is 126,000.

Rate effect: what is left, computed directly rather than as a plug. Premium went from 345 to 355 on 10,080 square feet, which is 100,800. Standard went from 270 to 278 on 31,920 square feet, which is 255,360. Together, 356,160.

The three add to 1,194,660, which is the space change exactly. Volume is 59.6 per cent of it, rate is 29.8 per cent, mix is 10.5 per cent.

That is the answer to the finance director's question. Six tenths of the space growth came from selling more floor, three tenths from raising rates, and one tenth from a shift towards premium positions. Each of those has a different repeatability next year, and only one of them is under the sales team's direct control in a sold-out hall.

How much of the growth is real?

An organiser presenting 10.2 per cent growth to a group finance function will be asked what it is in real terms, and the answer needs to be ready rather than improvised.

Take a 3.0 per cent deflator for the relevant cost base. Real growth is 1.102 divided by 1.030, minus one, which is 7.0 per cent. Still a good year, three points smaller.

The distinction is the frame the industry's own benchmark uses. The CEIR Index, released by IAEE on 4 May 2026, tracks four metrics separately: net square feet of exhibit space sold, professional attendance, number of exhibiting companies, and gross revenue. Gross revenue and real revenue are reported as distinct ideas, and the recovery picture differs sharply depending on which you read. In the fourth quarter of 2025 the total index sat about 2 per cent below its 2019 level while real revenue, adjusted for inflation, was still more than 10 per cent below 2019.

A show comparing its nominal 2026 revenue to its nominal 2019 revenue and declaring recovery has made exactly the error that gap describes. Put both on the bridge, with the deflator named, and the question does not come up.

The wider picture is worth having to hand when somebody asks whether 7 per cent real is any good. UFI's 36th Global Exhibition Barometer, published in January 2026 from responses by 378 companies across 57 countries and regions, found 31 per cent of companies reporting annual growth of more than 10 per cent in operating profit for 2025, with 33 per cent forecasting the same for 2026. That is a distribution rather than an average, and the useful reading is that a substantial minority of the sector is growing profit at double digits, so a good year is not automatically an exceptional one.

Why does the mix line get challenged?

Volume and rate are hard to argue with, since both come straight off the contract file. Mix is where a bridge gets picked apart, for a reason worth understanding.

Mix effect depends entirely on how you defined the segments, and the segmentation is a choice you made. Split the floor into premium and standard and you get one mix number. Split it into island, peninsula, inline and shell scheme and you get four rate effects and a different mix figure, because some of what the two-way split called mix is now rate movement inside a finer class.

Neither version is wrong, and the difference is not small. The discipline is to fix the segmentation once, write it into the reporting definition, and never change it mid-series. If you do change it, restate the prior year on the new segmentation and show both, because a mix effect computed on inconsistent segments is a number with no meaning at all.

My preference is the smallest segmentation that maps to how you actually price. If the rate card has four bands, bridge on four bands. Inventing a two-way premium split for the report, when sales has never used that language, produces a mix line nobody in the commercial team recognises and cannot act on.

The related trap is netting discounts into volume. A stand sold at 20 per cent off is full volume at a lower realised rate, and if your source data records the discount as a smaller area you will read a price concession as a volume loss. Check that first, on ten contracts, before trusting any bridge. What the discounts should have been in the first place is a booth discounting policy question, which is F39's.

Two things finance will ask that the bridge does not answer

The first is whether the volume came from new exhibitors or existing ones taking more space. The bridge says 2,500 additional net square feet and is silent on where it came from, and those two sources have very different implications for next year.

Add an account-level split alongside the bridge: new accounts, existing accounts growing, existing accounts shrinking, and lapsed accounts. It reconciles to the same 2,500 and it converts a volume number into a renewal conversation. The full treatment of footprint change year over year at account and category level is F31's, and one summary line is enough here.

The second is what it cost to produce the extra revenue. A bridge is a top-line instrument and it will happily show a beautiful volume effect on space that was sold at a rate below its incremental cost to service. Setting contribution against direct show cost is the event ROI calculation in D17, and a bridge presented without it invites the reasonable objection that revenue growth is not a result.

Where this stops

Price volume mix assumes the quantity and the price are separable, and on the space line they mostly are. On the other two lines they are not.

Sponsorship has no natural unit. A headline package, a lanyard, a registration desk branding and a keynote sponsorship are not comparable quantities, and dividing sponsorship revenue by a package count produces an average package price that moves whenever the product set changes. Bridge sponsorship by named product against prior year, one line each, and accept that it is a list rather than a decomposition. Trying to force a rate and a volume out of it produces a mix effect that is entirely an artefact of how the packages were grouped.

Registration revenue has the opposite problem: the volume is clean but the price is a policy. A delegate fee change, a new early rate, or a decision to bundle conference access into the exhibition badge will move the realised price by an amount that has nothing to do with demand, and the bridge will attribute it to rate as though somebody had won a negotiation.

The deeper limit is that a bridge is descriptive. It tells you the arithmetic of what happened and nothing about causation. A large positive rate effect in a year when a competitor cancelled is not evidence that your pricing power improved, and the bridge cannot tell those apart. It narrows the question, which is a real service, and then somebody still has to answer it.

Pull your contract file for the last two editions with area, realised rate and inventory class on every row, and compute the volume effect at prior-year blended rate. If that single number is more than the total revenue change, you have a rate problem that the headline is hiding, and it is worth finding out before the target-setting meeting rather than during it.