Insights

Strong Industry Position onOffice GmbH operates within the IT services and consulting sector with a focus on real estate solutions, serving a large customer base of real estate agents, property managers, and industry networks, indicating a substantial market presence and potential for expansion.

Diversified Product Portfolio The company offers a comprehensive suite of real estate software solutions, including enterprise management systems, websites, mobile apps, and online marketing tools, providing cross-selling opportunities across multiple digital channels.

Recent Strategic Partnerships Partnerships with firms like Plant Designs Inc. showcase onOffice’s openness to innovative collaborations, suggesting opportunities to co-develop niche solutions for clients seeking integrated and sustainable real estate digital services.

Robust Financial Scale With revenue ranging between 25 and 50 million USD, onOffice demonstrates strong financial capacity, enabling potential upselling of premium solutions, tailored offerings, and expansion to broader markets within the real estate technology space.

Technological Engagement Utilizing a broad tech stack involving Google Ads, WordPress, PHP, and social media platforms indicates a focus on online visibility and digital marketing, suggesting further opportunities to promote innovative software features and enhance customer acquisition strategies.

Similar companies to onOffice GmbH

onOffice GmbH Tech Stack

onOffice GmbH uses 8 technology products and services including Google Ads, WordPress, Cart Functionality, and more. Explore onOffice GmbH's tech stack below.

  • Google Ads
    Advertising
  • WordPress
    Content Management System
  • Cart Functionality
    E-commerce
  • PHP
    Programming Languages
  • YouTube
    Video Players
  • WPML
    Web Platform Extensions
  • Apache HTTP Server
    Web Servers
  • Facebook
    Widgets

onOffice GmbH's Email Address Formats

onOffice GmbH uses at least 2 format(s):
onOffice GmbH Email FormatsExamplePercentage
F.Last@onoffice.deJ.Doe@onoffice.de
97%
First.Last@onoffice.deJohn.Doe@onoffice.de
3%
F.Last@onoffice.comJ.Doe@onoffice.com
75%
First.Last@onoffice.comJohn.Doe@onoffice.com
25%

Frequently Asked Questions

What is onOffice GmbH's official website and social media links?

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onOffice GmbH's official website is onoffice.com and has social profiles on LinkedIn.

What is onOffice GmbH's SIC code NAICS code?

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onOffice GmbH's SIC code is 7372 - Prepackaged Software NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does onOffice GmbH have currently?

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As of December 2025, onOffice GmbH has approximately 228 employees across 2 continents, including EuropeNorth America. Key team members include Cto: J. R.Chief Operating Officer: M. S.Head Of Sales International: M. L.. Explore onOffice GmbH's employee directory with LeadIQ.

What industry does onOffice GmbH belong to?

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onOffice GmbH operates in the IT Services and IT Consulting industry.

What technology does onOffice GmbH use?

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onOffice GmbH's tech stack includes Google AdsWordPressCart FunctionalityPHPYouTubeWPMLApache HTTP ServerFacebook.

What is onOffice GmbH's email format?

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onOffice GmbH's email format typically follows the pattern of F.Last@onoffice.de. Find more onOffice GmbH email formats with LeadIQ.

When was onOffice GmbH founded?

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onOffice GmbH was founded in 2001.

onOffice GmbH

IT Services and IT ConsultingNorth Rhine-westphalia, Germany201-500 Employees

onOffice – always on your side

Gemeinsam für die Immobilienbranche: Unter der Devise arbeitet unser einzigartiges Team von Anfang an eng mit Maklern und Immo-Experten zusammen und verspricht, immer auf ihrer Seite zu sein! Als inhabergeführtes Unternehmen gilt seit 2001 der Anspruch, unseren Mitarbeitenden Freiräume, Verantwortung und Perspektiven zu bieten, um ihre Ideen und Erfahrungen einzubringen. Kurz gesagt: alles zu tun, um die Software onOffice enterprise und weitere Produkte im Sinne der Makler weiterzuentwickeln, die Branche zu stärken und Neues zu bewegen. Und es gibt noch mehr: Die „onOffice WP-Websites”, „onOffice App” und Produkte aus dem Online Marketing runden das Angebot für Immobilienunternehmen ab und bieten weitere Herausforderungen für potentielle Kolleg:innen. Teamgeist wird bei onOffice groß geschrieben: wir arbeiten gemeinsam, bereichsübergreifend, fair und verantwortungsvoll zusammen. Davon profitieren auch unsere Kunden und Partner. 

Mit über 300 Mitarbeitenden, CEO/Inhaber Stefan Mantl, COO Marius Siegmund und CTO Janosch Reuschenbach arbeitet onOffice tagtäglich daran, Immobilienmaklern, Hausverwaltungen, Netzwerken und mehr die perfekten Lösungen für ein erfolgreiches Business zu bieten. onOffice – always on your side!



Angaben gemäß § 5 TMG:

onOffice GmbH
Charlottenburger Allee 5
52068 Aachen

vertreten durch:

Geschäftsführer: Stefan Mantl, Janosch Reuschenbach, Marius Siegmund

Kontakt:

Telefon: +49 (0)241 44686-0
Telefax: +49 (0)241 44686-250
E-Mail: info@onoffice.com
Web: www.onoffice.com

Registereintrag:

Eintragung im Handelsregister
Registergericht: Amtsgericht Aachen
Registernummer: HRB 21420

Umsatzsteuer-ID:

Umsatzsteuer-Identifikationsnummer gemäß §27 a Umsatzsteuergesetz:
DE 313720285

Verantwortlich für den Inhalt nach § 55 Abs. 2 RStV:

Stefan Mantl, Inhaber der onOffice GmbH
Charlottenburger Allee 5
52068 Aachen

Section iconCompany Overview

SIC Code
7372 - Prepackaged Software
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2001
Employees
201-500

Section iconFunding & Financials

  • $25M$50M

    onOffice GmbH's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    onOffice GmbH's revenue is estimated to be in the range of $25M$50M

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