Insights

Strong Market Position Retarus has established itself as a leading provider of secure and high-performance business communication solutions for upper middle market and international corporations, presenting opportunities to target large enterprises seeking reliable cloud communication platforms.

Key Technological Innovations Recent launches such as the fully managed SAP-approved fax connector API and observability metrics for transactional email demonstrate Retarus's focus on innovation, making them an attractive partner for organizations seeking cutting-edge communication integration and monitoring solutions.

Growing Strategic Partnerships Recent collaborations with Beth Israel Lahey Health and DMARC Advisor highlight Retarus's expanding network of strategic partners across healthcare and security sectors, creating potential sales avenues in compliance-driven industries.

Financial Stability With revenues between 50 and 100 million dollars and a sizeable global workforce, Retarus offers a stable platform for upselling additional cloud services, integrations, or tailored communication solutions to enterprise clients.

Focus on Digital Transformation Retarus's emphasis on enabling digital and automated business processes through secure, reliable cloud communication services aligns well with organizations undergoing digital transformation, presenting opportunities for consultative sales around modernization initiatives.

Retarus Tech Stack

Retarus uses 8 technology products and services including Cookiebot, Quarkus, OpenID Connect, and more. Explore Retarus's tech stack below.

  • Cookiebot
    Cookie Compliance
  • Quarkus
    Dev Tools
  • OpenID Connect
    Identity And Access Management
  • Gartner
    Intelligence And Analytics
  • S&P Global
    Intelligence And Analytics
  • Perl
    Programming Languages
  • Google Tag Manager
    Tag Management
  • Animate.css
    UI Frameworks

Media & News

Retarus's Email Address Formats

Retarus uses at least 1 format(s):
Retarus Email FormatsExamplePercentage
First.Last@retarus.comJohn.Doe@retarus.com
99%
First.Middle@retarus.comJohn.Michael@retarus.com
1%

Frequently Asked Questions

Where is Retarus's headquarters located?

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Retarus's main headquarters is located at 30 Aschauer Straße München, Bavaria 81549 Germany. The company has employees across 5 continents, including EuropeNorth AmericaAsia.

What is Retarus's phone number?

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You can contact Retarus's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Retarus's official website and social media links?

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Retarus's official website is retarus.com and has social profiles on LinkedIn.

What is Retarus's NAICS code?

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Retarus's NAICS code is 5112 - Software Publishers.

How many employees does Retarus have currently?

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As of May 2026, Retarus has approximately 337 employees across 5 continents, including EuropeNorth AmericaAsia. Key team members include Chief Technology Officer: U. G.Chief Financial Officer (cfo): R. S.Vp Sales North America: J. B.. Explore Retarus's employee directory with LeadIQ.

What industry does Retarus belong to?

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Retarus operates in the Software Development industry.

What technology does Retarus use?

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Retarus's tech stack includes CookiebotQuarkusOpenID ConnectGartnerS&P GlobalPerlGoogle Tag ManagerAnimate.css.

What is Retarus's email format?

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Retarus's email format typically follows the pattern of First.Last@retarus.com. Find more Retarus email formats with LeadIQ.

When was Retarus founded?

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Retarus was founded in 1992.

Retarus

Software DevelopmentBavaria, Germany201-500 Employees

In 2026, Retarus announced the Docs MCP Server, a development aimed at AI-assisted integrations and faster onboarding. This growth-focused update reflects the company’s ongoing effort to support complex, enterprise-level communications as customers evolve their processes.

Section iconCompany Overview

Headquarters
30 Aschauer Straße München, Bavaria 81549 Germany
Phone number
NAICS Code
5112 - Software Publishers
Founded
1992
Employees
201-500

Section iconFunding & Financials

  • $50M$100M

    Retarus's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Retarus's revenue is estimated to be in the range of $50M$100M

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