What Does Retarus Do?

Total employees346
HeadquartersMunich
Founded1992

Retarus is a global provider of cloud-based services for professional enterprise communication and information logistics. Since 1992, Retarus has been supporting companies worldwide in optimizing their business processes through secure and efficient flows of information. Their portfolio includes solutions for Email Security (e.g., Advanced Threat Protection, AntiSpam), Email & Workflow (e.g., Transactional Email, Cloud Fax), and Enterprise Messaging Platforms (e.g., SMS, EDI). Retarus helps businesses ensure compliance, enhance security, and improve the reliability of their digital communications, catering to a wide range of industries from finance to healthcare.

Where Is Retarus's Headquarters?

HQ Function

Serves as the global operational hub, housing key departments such as R&D, global strategy, finance, marketing, and central administration.

Notable Features:

Modern office facilities designed to foster collaboration and innovation, featuring state-of-the-art IT infrastructure to support its global cloud services.

Work Culture:

Emphasizes technological innovation, customer focus, reliability, and a collaborative international environment. Known for a strong engineering culture and commitment to service excellence.

HQ Significance:

The Munich HQ is central to Retarus's European roots and its global expansion, acting as the nerve center for its worldwide operations, product development, and strategic direction.

Values Reflected in HQ: The headquarters likely reflects Retarus's core values of security, reliability, innovation, and customer-centricity through its design, infrastructure, and operational setup.

Location:

Retarus supports its global customer base with a network of subsidiaries, offices, and data centers across Europe, North America, Asia-Pacific, and Australia. This worldwide infrastructure ensures high availability, local data processing where required (e.g., GDPR compliance), and dedicated regional support for its entire suite of services, including Email Security, Cloud Fax, SMS, EDI, and Transactional Email. They provide sales, customer service, and technical support tailored to local languages and business practices in over 20 locations worldwide.

Street Address:

Aschauer Str. 30

City:

Munich

State/Province:

Bavaria

Country:

Germany

Where Else Does Retarus Operate Around the World?

Edison, New Jersey/USA

Address: Retarus Inc., 100 Metroplex Drive, Suite 202, Edison, NJ 08817

Serves as the primary point of contact and operational center for the North American market, tailoring Retarus's global services to meet regional business needs and compliance requirements.

Singapore/Singapore

Address: Retarus (Asia) Pte. Ltd., 77 Robinson Road, #26-03 Robinson 77, Singapore 068896

Drives growth and service delivery in the APAC region, addressing specific market demands and supporting multinational clients with operations in Asia.

Paris/France

Address: Retarus France SAS, 23 Rue Balzac, 75008 Paris

Strengthens Retarus's presence in Western Europe, offering localized services and support to meet the specific needs of the French market.

Vienna/Austria

Address: Retarus Austria GmbH, Wienerbergstrasse 11/12A, Turm A, 21. OG, 1100 Vienna

Provides dedicated support and services to Austrian businesses and coordinates activities in the CEE region, ensuring tailored solutions for local requirements.

Buying Intent Signals for Retarus

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Retarus? Meet the Executive Team

As of April 2025, Retarus' leadership includes:

Martin Hager - Founder & CEO
Johannes Hecker - Chief Operating Officer (COO)
Roland Ertl - Chief Financial Officer (CFO)
Matthias Kess - Chief Technology Officer (CTO)
Stefan Denk - Chief Revenue Officer (CRO)

Who's Investing in Retarus?

Retarus has been backed by several prominent investors over the years, including:

Privately Held
Founder-Owned

What Leadership Changes Has Retarus Seen Recently?

Hire2
Exits0

Retarus has strengthened its leadership team over the past year with key appointments for Chief Technology Officer and Chief Revenue Officer to drive innovation and global growth.

New Appointments:

Matthias Kess, Matthias Kess appointed as new Chief Technology Officer to spearhead technological innovation, product development, and IT strategy for Retarus.
Stefan Denk, Stefan Denk appointed as new Chief Revenue Officer to lead global sales strategies, partner management, and accelerate revenue growth across all markets.

What Technology (Tech Stack) Is Used byRetarus?

Discover the tools Retarus uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Retarus Email Formats and Examples

Retarus commonly uses the firstname.lastname@retarus.com email format. This is a standard and widely adopted convention in corporate environments, facilitating easy communication and contact identification.

firstname.lastname@retarus.com

Format

jane.doe@retarus.com

Example

90%

Success rate

What's the Latest News About Retarus?

retarus.comNovember 21, 2023

Retarus Appoints Matthias Kess as Chief Technology Officer

Retarus announced the appointment of Matthias Kess as its new CTO. He will be responsible for the company's technology vision, product development, and IT infrastructure to further drive innovation in global cloud communication services....more

retarus.comOctober 26, 2023

Retarus Named as a Representative Vendor in 2023 Gartner® Market Guide for Email Security

Retarus was recognized by Gartner in its 2023 Market Guide for Email Security. The inclusion highlights Retarus's comprehensive email security solutions and its capabilities in protecting enterprises from sophisticated email-borne threats....more

retarus.comApril 3, 2023

Retarus Appoints Stefan Denk as Chief Revenue Officer

Stefan Denk joined Retarus as Chief Revenue Officer (CRO) to lead the company's global sales organization, develop new market opportunities, and drive overall revenue growth for its enterprise cloud services....more

Highperformr's free tools for company research

Explore Employees by Region or Country

See where a company’s workforce is located, by country or region.

View Funding Details

View past and recent funding rounds with amounts and investors.

Understand Revenue Insights

Understand company revenue estimates and financial scale.

Track Active Job Openings

Track active roles and hiring trends to spot growth signals.

Review Product and Offerings

Discover what a company offers—products, platforms, and solutions.

Get SIC or NAICS Codes

Get the company’s official SIC and NAICS classifications.

Analyze Website Traffic Trends

Analyze visitor volume, engagement, and top traffic sources.

Discover Social Profiles and Engagement

Explore LinkedIn, Twitter, and other active social profiles.

Identify Top Competitors

Identify top competitors based on similar business traits.

Research and Discover Companies with Highperformr — Smarter, Faster

Explore companies in depth — from the tech they use to recent funding, hiring trends, and buyer signals — all in one powerful view.

Highperformr AI helps you surface the right accounts and enrich your CRM with verified company and contact insights, so your teams can prioritize and engage faster.

  • Track intent signals to find buyers who are actively in-market
  • Enrich contacts and companies instantly, no need to switch tools
  • Automate workflows to stay ahead of every change
  • Connect your CRM & tools for seamless data sync and activation

Thousands of companies, including Retarus, are just a search away.