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Open-Xchange

Olpe, DE · Founded 2005 · 197 employees on LinkedIn · 6 known investors

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Open-Xchange (OX) builds open-source email, collaboration, and DNS software for telcos, hosters, and service providers, enabling them to offer email and productivity services as alternatives to large hyperscalers. Its portfolio includes email/collaboration groupware, DNS software, and email server infrastructure used by hundreds of millions of end users.

Cloud ComputingEnterprise SoftwareSaaS

Founders & leadership

Open-Xchange was founded in 2005 by Rafael Laguna, Frank Hoberg, and Martin Kauss.

RLRafael Laguna
Rafael LagunaCo-founder
FH
Frank HobergCo-founder
MKMartin Kauss
Martin KaussCo-founderCo-founder of Open-Xchange, Martin Kauss has built cloud-based email and collaboration software with expertise spanning mobile development (Android, iOS, web, and native), backend languages (Java, Python, JavaScript, PHP), and database systems including MySQL, PostgreSQL, Oracle, and NoSQL.
AGAndreas Gauger
Andreas GaugerCEOAndreas Gauger co-founded 1&1 Internet AG, one of the world's largest web hosting companies, where he served as CEO from 1998 to 2008. He has since founded or invested in multiple ventures including ProfitBricks (sold to 1&1 in 2017), AndroidPIT, Finalfolder (sold to Acronis in 2016), and Chatflow, with expertise in internet products and M&A transactions.
DVDirk Valbert
Dirk ValbertHead of Finance, Legal and Corporate ServicesDirk Valbert is Head of Finance, Legal and Corporate Services at Open-Xchange, where he has held senior finance leadership roles for nearly three decades in the technology sector. His background includes leading an IPO in 2006, managing business model transitions from on-premises to SaaS, overseeing M&A activity, and implementing ERP and governance systems.
JF
Jacob FahrenkrugChief Technology OfficerJacob Fahrenkrug held engineering and technology leadership roles at Hypoport Group (technical lead for a mortgage marketplace in the Netherlands), Deutsche Post DHL (Chief Software Engineer overseeing a business unit's development), yetu (Chief Technology Officer developing smart home platform technologies), and Fyber (Director of Engineering managing ad monetization infrastructure).
EVErrol Vanderhorst
Errol VanderhorstInterim Chief Commercial OfficerInterim Chief Commercial Officer at Open-Xchange. Vanderhorst has 19 years of experience in business development, product development, and operations within internet and cloud computing service providers, with expertise in sales, P&L management, and international business operations.

Investors · 6

Iris Capitallisted by Iris CapitalParis · $1.1M – $32.4M

How we know: Iris Capital's portfolio page · funding news · tech.eu · Not right? Tell us

eCAPITAL ENTREPRENEURIAL PARTNERSreportedMünster · $2.2M – $6.5M

How we know: globalventuring.com · Not right? Tell us

eCapital Entrepreneurial Partners AGreported

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

Also in the syndicate · 2

eCapitalUnited Internet

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

In the news

SaaS Pioneer Open-Xchange Raises $20M To Expand Its Cloud-Based Services | TechCrunchtechcrunch.com · Jul 2013Open-Xchange Closes Series B Venture Funding of $9 Millionopen-xchange.com · Nov 2008

Frequently asked questions

What does Open-Xchange do?
Open-Xchange (OX) builds open-source email, collaboration, and DNS software for telcos, hosters, and service providers, enabling them to offer email and productivity services as alternatives to large hyperscalers. Its portfolio includes email/collaboration groupware, DNS software, and email server infrastructure used by hundreds of millions of end users.
Who founded Open-Xchange?
Open-Xchange was founded by Rafael Laguna, Frank Hoberg, Martin Kauss in 2005.
Who are Open-Xchange's investors?
Open-Xchange's investors include BayBG Venture Capital, Iris Capital, eCAPITAL ENTREPRENEURIAL PARTNERS, eCapital Entrepreneurial Partners AG.
Where is Open-Xchange headquartered?
Open-Xchange is headquartered in Olpe, DE.