Our partners
When developing our solutions, we focus on our customers. We rely on a network of competent partners!

Resale partner
Deutsche Telekom
Telekom is Germany's market leader for service telephony and the leading provider of cloud-based customer communication and service solutions.
1&1 Versatel
1&1 Versatel GmbH is a telecommunications provider with a focus on business customers based in Düsseldorf.
Vodafone
Vodafone GmbH is a German subsidiary of the British mobile communications company Vodafone Group. It offers mobile telephony, DSL, cable internet, fixed-line telephony, cable television and IPTV in Germany.
outbox
outbox AG offers cloud-based complete telephony solutions for companies and resellers and stands for telephony products from one of the most experienced Voice-over-IP network operators.
Technology partner
boost.ai
Boost.ai is a Scandinavian Conversational AI company offering one of the world's most comprehensive platforms for building, deploying and operating digital advisors.
INEXSO
The e-mail solution from our technology partner INEXSO enables the management, intelligent prioritization, distribution and processing of e-mails, right through to automatic replies at the end of a case.
opcyc
Our partner opcyc offers scalable workforce management solutions for 20 to 20,000 employees - including forecasting, shift planning and all processes for daily operations.
Rasa
Rasa offers flexible AI software for the development of text and voice-based assistants. It is used by developers, conversational teams and companies worldwide.
OEM partners
CommPass plus
CommPass plus offers support for staff development, training programmes as well as individual users through language diagnostics and the creation of individual development plans for communicative methods.
Lexeffect
Lexeffect's software-as-a-service platform uses artificial intelligence to analyze the impact of written and spoken language and presents the findings in a profile.
metru
metru is an AI-supported video platform that rethinks recruiting - with innovative matching, video solutions and as an alternative to Xing & LinkedIn. Goal: Establish video as the new standard.
mindsquare
mindsquare delivers in-depth SAP and Salesforce expertise for your business digitalisation. With the app for SAP SuccessFactors, we offer psychologically validated insights for the HR sector.
Consulting partner
1-prozent
1-prozent GmbH from Zurich has been measuring the impact of language since 2015.
clientsolutions
Your partner for practical solutions in customer experience, digitalization and service management - from strategy to implementation and procurement. With in-depth industry knowledge at the customer interface.
com4call
com4call has been an expert in communicative organizational consulting, training and coaching for 30 years. Clients from all sectors and of all sizes benefit from the know-how gained from hundreds of projects.
Become a partner of VIER
Become part of a strong network that combines technology, customer understanding and efficiency - and take your business to the next level together with VIER. Benefit from new synergies, increase your profitability and expand your market presence sustainably.