The Xantaro Group


Xantaro is a team of experts with long lasting experience in the networks segment and multilateral technology know-how. Both are concentrated into our core competence: “SERVICE INTEGRATION”: Through a useful combination of existing and/or new network components and technologies, and within an end-to-end services portfolio we evolve tailored solutions.

  • From planning, design and proof-of-concept through delivery, installation and implementation to operational support and maintenance services.

  • From performant and highly available network systems through virtualisation, infrastructure security and control to cloud-based, central services, orchestration and automation.

We aim to inspire –
with expertise and quality, customer and service focus

Based on partnership, for our customers we are the TRUSTED ADVISOR and NO-WORRIES-COMPANY”.

Being the “Single-Point-of-Contact” with encompassing technological know-how, market knowledge and understanding, we plan, implement and maintain our clients’ networks and services, and thereby support their business success.

Our technology partners are leaders in their respective market segments and support us with reliable, innovative products and services.

Through close co-operation with both, partners and customers, Xantaro is at the forefront of new developments and market trends.

The Xantaro Group at a glance

Founding of Xantaro Holding GmbH and Xantaro Deutschland GmbH

Opening of the XT³Lab in Frankfurt

Founding of Xantaro UK Ltd

Office sites in Germany and the United Kingdom

> 160
Employees provide best services and first-class support pan-European

> 70
Certified technology experts form our Solutions Architecture, Professional Services and Advanced Services teams

> 60
Field Service / Freelancer extend our technology team

> 350
Customers trust in our services and products

ISO 9001 + ISO 27001

RTNX GmbH, as the parent company of Xantaro Deutschland GmbH and Xantaro UK Ltd., holds the ISO 9001 and ISO 27001 certifications.

These certificates validate our commitment to excellence in various areas, including service provision, hardware and software distribution, and corresponding product development. These operations are carried out by our subsidiary companies under the umbrella of RTNX GmbH as mentioned above .


DEKRA-SIEGEL ISO 9001 + ISO 27001 | Xantaro Deutschland

The Xantaro Group Management

Gerold Arheilger
Chief Executive Officer (CEO)
Xantaro Group

Marlies Höwische
Corporate Advisor
Xantaro Group

Mark Hutchinson
Chief Sales Officer (CSO) Xantaro Group &
MD Xantaro UK

Howard Hutchinson
Chief Financial Officer (CFO)
Xantaro Group

Christina Kempers
Chief Operating Officer (COO)
Xantaro Group