About Astaro
Astaro is a Technology company based in Karlsruhe (Germany) founded in 2000, and was acquired by Sophos in May 2011. Network security products are developed and distributed worldwide. Astaro has raised $12.9 million across 2 funding rounds from investors including Sophos, Insight Partners and Wellington Partners Venture Capital. Its focus areas include Enterprise Infrastructure, Cybersecurity, Network Security and Firewall.
Company details
Astaro was founded in 2000 in Karlsruhe, Germany, focusing on the network security sector. A line of security gateways, including software and appliances, is produced to integrate nine applications across web, email, and network protection categories. These products are managed through a unified platform and distributed via a global network of 350 partners providing local support. Operations emphasize comprehensive threat management solutions for enterprise environments.
- Headquarters Karlsruhe, Germany
- Stage Acquired
- SectorsTechnology
- Website astaro.com
- Social LinkedIn X
- Acquired by Sophos (May 2011)
Funding Insights of Astaro
Astaro has successfully raised a total of $12.9M across 2 strategic funding rounds. The most recent funding activity was a Series B round of $6.7 million completed in May 2004. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $12.9M
- Total Rounds 2
- Last Round Series B β $6.7M
- First Round $6.2M
(May 2003)
- Investors Count 2
All 2 funding rounds of Astaro with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| May 2004 | $6.7M | Series B | β | Insight Partners, Wellington Partners Venture Capital | β |
| May 2003 | $6.2M | Series A | β | Wellington Partners Venture Capital, Insight Partners | β |
3 investors in total: 3 institutional.
Investors in Astaro
Astaro has secured backing from 3 investors, including venture fund investors. Prominent investors backing the company include Sophos, Insight Partners and Wellington Partners Venture Capital.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Investment firm scaling software and technology companies from early to late stages. | insightpartners.com | |||
Investments are made in early-stage healthcare startups. | wellington-partners.com | Munich, Germany | ||
Enterprise security suites for network and endpoint protection are offered. | 1985 | sophos.com | Abingdon, United Kingdom |
Investor details for Astaro
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
Timeline of Astaro
4 dated milestones of Astaro across 11 years, from founding to its latest funding, stage changes and deals.
- Founded Astaro is founded.
- Funding First funding round of $6.2M.
- Funding Latest funding round, Series B, of $6.7M.
- Exit Acquired by Sophos.
Web traffic of Astaro
Websites that share an audience with Astaro (astaro.com).
Websites whose visitors overlap most with Astaro. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| sonicwall.com | 100% | 532.3K | #81,443 | View details | |
m0n0.ch | m0n0.ch | 95% | #2,688,903 | β | |
| watchguard.com | 94% | 792.9K | #48,132 | View details | |
| symantec.com | 83% | 740K | #65,592 | View details | |
| checkpoint.com | 81% | 2M | #25,846 | View details | |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
All 29 similar websites and full traffic analytics for Astaro
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 29 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Unlock complete access to The Company Check
Get unrestricted viewing across everything we track β from companies and brands to investors, funding rounds, acquisitions, financials, and more.
- Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
- Full access to every database India & global coverage, advanced filters and rich profile details
- Always-on access from your team account Single premium plan for everything you see on the portal
Related news about Astaro
Complete news archive for Astaro
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Frequently Asked Questions about Astaro
Astaro was founded in 2000 and raised its 1st funding round 3 years after it was founded.
Astaro is headquartered in Karlsruhe, Germany. It is registered at Karlsruhe, Baden-wurttemberg, Germany.
Astaro is a funded company, having raised a total of $12.9M across 2 funding rounds to date. The company's 1st funding round was a Series A of $6.2M, raised on May 2003.
Annual revenue of Astaro is $44.55M as on Mar 31, 2013.
Astaro was founded in 2000 in Karlsruhe, Germany, focusing on the network security sector. A line of security gateways, including software and appliances, is produced to integrate nine applications across web, email, and network protection categories. These products are managed through a unified platform and distributed via a global network of 350 partners providing local support. Operations emphasize comprehensive threat management solutions for enterprise environments.
Astaro has 3 investors. Key investors include Sophos, Insight Partners, and Wellington Partners Venture Capital.
Yes. Astaro was acquired by Sophos in May 2011.

