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A trade fair appearance costs stand fees, materials and, above all, your team's time. Yet many fairs end with a pile of business cards and a vague feeling that things went "quite well". QR codes help you capture contacts in a structured way and make results measurable. This article shows you how.
Why QR codes make sense at trade fairs
Visitors at trade fairs are short on time and already have their smartphone in hand. A QR code shortens the path from "interesting" to "leave my details" to a few seconds. At the same time, it creates data you can analyse after the event, instead of relying on memory and handwritten notes.
A lead, in this context, is a contact who has shown interest in your offering and left their details. The goal is to capture as many qualified leads as possible, meaning contacts with a genuine need.
Ways to use them on your stand
A contact form instead of a stack of business cards
A QR code on the stand leads to a short form: name, company, email address, area of interest. Keep it brief, because every extra field reduces submissions. Ask one targeted qualifying question, such as the planned timeframe or use case, rather than ten general ones.
When your team leads the conversation, they can also fill in the form on a tablet together with the visitor and add a note about the discussion.
Digital business cards for your team
Instead of handing out paper cards, team members display a QR code on their badge or phone screen. The code opens a digital business card that visitors can save straight to their contacts.
Information without paper
Data sheets, price lists or case descriptions can be accessed via a QR code. This saves printing costs and shows which materials are actually in demand. After the fair, you can change the destination of a dynamic code, for example to a recap page or a meeting booking link.
Surveys and prize draws
A short survey at the stand provides insight into your target group's needs and priorities. Prize draws increase participation but often bring less qualified contacts. Decide whether you need volume or quality, and observe the legal requirements for terms of participation.
Making it measurable: what you can analyse
With dynamic QR codes, every scan goes through a server that records the request. This gives you metrics that printed material otherwise lacks:
| Metric | What it tells you |
|---|---|
| Scans by day and time | When was the stand busiest? When do you need more staff? |
| Scans per code | Which poster, flyer or exhibit was scanned most often? |
| Device type | Is the landing page optimised for the devices actually used? |
| Region | Do visitors come from your target market? |
| Form submissions | How many scans turn into a contact? |
The key metric is the ratio of scans to form submissions. Many scans with few submissions point to a form that is too long or a landing page that is unclear.
Campaign parameters for website analytics
If the code leads to your own website, you can add UTM parameters to the destination URL. These are standardised additions such as utm_source=messe-kiel, utm_medium=qr and utm_campaign=spring-2026, which analytics tools like Google Analytics recognise. You can then see which website visits came from the fair, provided visitors have consented to tracking.
Use a separate code or parameter for each location on the stand to compare poster, counter and flyer.
Following up after the fair
The real value of a trade fair contact emerges in the follow-up. These practices work well:
- Respond quickly: Get in touch within a few days while the conversation is still fresh.
- Personal, not mass email: Refer to the conversation or the area of interest selected.
- Hand over automatically: Leads should not sit in an export file on someone's laptop. Interfaces or webhooks can pass form submissions straight to your CRM or to an automation tool such as n8n, which can, for example, create a task for sales.
Mind the legal basics
Personal data from the form is subject to the General Data Protection Regulation (GDPR). Briefly state in the form what you will use the data for and link to your privacy policy.
For email marketing, Germany's Act against Unfair Competition (UWG, Section 7(2) No. 2) generally requires prior express consent. The exception for existing customers in Section 7(3) requires, among other things, that the address was obtained in connection with a sale. It therefore usually does not apply to a contact made only at a trade fair. Replying to a specific enquiry is different from sending a regular newsletter. If you want to add contacts to a newsletter, obtain separate consent with a checkbox that is not pre-ticked. This section does not constitute legal advice.
Checklist for your next trade fair
Before the fair
- Set goals: how many qualified leads do you want to capture?
- Create a form with no more than five fields and one qualifying question
- Create a separate dynamic code for each placement
- Test landing pages on a smartphone, including on weak venue Wi-Fi or mobile networks
- Review privacy notices and consent wording
- Set up and test lead handover to your CRM or sales team
At the fair
- Place codes clearly visible at eye level and large enough
- Add a clear call to action, such as "Download data sheet" or "Book a meeting"
- Check scan numbers daily and adjust placement or wording if needed
After the fair
- Contact leads personally within a few days
- Switch code destinations to a post-fair page
- Produce a report: scans, contacts, meetings, proposals
Trade fair contacts with QRFlow
QRFlow, the QR code product from Simplify Data, offers dynamic QR codes with scan analytics by device, region and time, plus forms, surveys and digital business cards. Signed webhooks and the REST API let you process submissions further, for example with n8n, and you can export reports to CSV, Excel or PDF. QRFlow for your next trade fair