Guest Management

As a full-service provider we take care of customer-specific projects from invitation handling to the development of individual online registrations through to check-in of the guests at the event.

Crew Control

May we introduce you? Your new system that makes managing crew members and employees even more secure for events, tradeshows, festivals, annual meetings and large public events. 


With our guest management software we offer you a high-performance online tool with which you can carry out your participant handling independently and in-house.

Eventry continues on road to success

In April 2018, two attractive new customers, BS|Energy and Veolia, were able to launch their guest management software "Eventry" by Guest-One.

FTTH Conference 2018 in Valencia

The FTTH Conference is the most important annual event of the FTTH Council Europe based in Brussels. The FTTH Council is an industry network of global glass fibre technology (fibre to the home – FTTH) producers and providers. Following Marseille, Luxembourg and Warsaw, this year's conference took place in the Spanish city of Valencia in February when around 3,000 participants from over 90 countries gathered together for the three-day event.

Current projects

We work all over the world for event and advertising agencies, medium-sized companies and DAX-listed corporations.

Our principles


You can rely on us: and with us your data are in the best hands. Only those employees assigned with your task get access. All data are managed on servers that are backed up multiple times in one of the biggest datacentres in Germany.

In strict compliance with the statutory provisions, all processes and systems are monitored by a qualified, certified data protection officer.


Only the perfect interplay of all factors makes projects successful. The basis of this collaboration is trust.

We know: Our clients entrust us with their guest data - and that's something that motivates us and spurs us on at the same time. Therefore: We feel responsible for the wellbeing of your guests.


Every project has its own character and places individual demands on participant management and the software used.

That's why we do not content ourselves with standard solutions, but advise you purposefully, taking into consideration all the facets of the project, the timings and budgets as well as other factors involved.


Time is money: For us, the top priority is therefore compliance with the budget and deadlines. "One face to the customer":

We support you in all project phases with a firm contact person who can offer you our cumulative experience from countless events and always does their utmost to find the best solution.

Seminars / G1 Academy

Guest management seminars

With its one-day basic seminars, G1 is targeting project managers in agencies, event planners within companies and anyone who is interested in the basics of effective and efficient guest management. Ticket management, personalisation options or interfaces for hotel and travel bookings are as much a feature as special solutions, for example for fee-based events or trade shows.

Anyone who has had to tackle this area for the purposes of event planning or organising a call for tender will know how different the various approaches, systems and calculation models are. Here Guest-One has come up with a new further training option.

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Our business hours:
Monday til Friday
9:00am to 6:00pm

+49 202 37 161 - 0

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Guest One GmbH
Laurentiusstrasse 35
D-42103 Wuppertal

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Phone +49 202 37 161 - 0
Fax +49 202 37 161 - 99