Stadium sponsorships are expensive. Proving they worked has always been nearly impossible.
You spend six or seven figures on stadium activations. At season's end, your agency sends a PowerPoint with estimated impressions based on attendance headcounts. That's not attribution — that's a guess multiplied by another guess.
Based on total attendance — not actual fan interaction with your brand
You don't know if you reached your target audience or just filled a stadium
By the time you get data, renewal decisions have already been made on gut feel
NFC-enabled merchandise creates a direct, verified data channel between your activation and the fan.
When a fan taps their NFC-enabled jersey, hat, or other branded merch item, Vonga logs a verified engagement event — complete with timestamp, location, and device type. Not an estimate. A real person, in a real place, engaging with your brand at a specific moment.
That data flows into a live sponsor portal you can access anytime, share with your team, and hand directly to your CMO to justify next year's budget.
Your branded items — jerseys, caps, scarves — carry an NFC tag during production. No change to look or feel.
No app needed. No friction. Phone to tag, browser opens, engagement recorded.
Your sponsor portal updates as fans engage — during the game, during the season, across every activation.
A dedicated portal for each sponsor — live engagement data, updated in real time, shareable with one link.
Total taps, unique fans reached, repeat engagements, engagement rates, and how your activation performed across sponsors and over time.
Which merch items drove the most engagement, which content resonated, and how each sponsor's activation compares within your program.
Your live sponsor portal — updated as data comes in. Share the link instead of a deck. Engagement rates, impression counts, and sponsor performance at a glance.
We'll walk you through a live demo portal — real engagement data from a sample program — so you can see exactly what you'd send to sponsors for renewal conversations.
Request a Sponsor Portal Preview20-minute call. We'll show you the portal, walk through a sample activation report, and answer any questions about attribution methodology.