About Sophos
Sophos is a Technology company based in Abingdon (United Kingdom) founded in 1985, and was acquired by Thoma Bravo in October 2019. Enterprise security suites for network and endpoint protection are offered. Sophos has raised $4.61 million across 7 funding rounds from investors including Apax Partners, Thoma Bravo and Investcorp. Sophos has completed 20 acquisitions, including ActiveState, Arco Cyber and Astaro. Its chief executive, as recorded, is Joe Levy. Its website sophos.com draws about 8.5 million monthly visits. Its focus areas include Enterprise Infrastructure, Cybersecurity and Suite. Its legal entity is SOPHOS LIMITED.
Company details
Sophos was founded in 1985 in Abingdon, United Kingdom, and operates in the cybersecurity sector. Security solutions are provided for IT endpoints, encryption, network protection, email security, mobile devices, and unified threat management. Server safeguards, including firewalls, secure WiFi, web gateways, email gateways, and antivirus software, are included in the offerings. The company focuses on enterprise-level protection across global operations.
- Headquarters Abingdon, United Kingdom
- Stage Acquired
- SectorsTechnology
- Website category Computers Electronics and Technology · Computer Security
- Email••••••••
- Phone•••• ••••
- Website sophos.com
- Social LinkedIn X
- Acquired by Thoma Bravo (Oct 2019)
- Legal Name Sophos Limited
- Date of Incorporation 04 Feb, 1987
- Jurisdiction ABINGDON, OXFORDSHIRE
- Total Equity Funding$4.61M (USD)
in 7 rounds
- Latest Funding Round$200M (USD), Debt – Conventional
Oct 2026
- InvestorsApax Partners
& 3 more
- Investments & AcquisitionsActiveState
& 19 more
- Acquired by
Apps and channels of Sophos
Sophos publishes 1 mobile app with over 1M+ downloads.
Funding Insights of Sophos
Sophos has successfully raised a total of $4.61M across 7 strategic funding rounds. The most recent funding activity was a Debt – Conventional round of $200 million completed in October 2026. 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 $4.61M
- Total Rounds 7
- Last Round Debt – Conventional — $200M
- First Round $72,300
(Dec 1996)
- Investors Count 2
All 7 funding rounds of Sophos 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 |
|---|---|---|---|---|---|
| Oct 2026 | $200M | Debt – Conventional | – | – | |
| Jun 2008 | Unspecified | – | Investcorp | – | |
| May 2007 | $2.6M | Unspecified | – | – | – |
| Jun 2006 | $818,100 | Unspecified | – | – | – |
| Oct 2005 | $264,500 | Unspecified | – | – | – |
| Jul 2003 | $857,600 | Unspecified | – | – | – |
| Dec 1996 | $72,300 | Unspecified | – | – | – |
4 investors in total: 4 institutional.
Investors in Sophos
Sophos has secured backing from 4 investors, including venture fund investors. Prominent investors backing the company include Apax Partners, Thoma Bravo and Investcorp.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Private equity, real estate, and credit investments are managed globally. | investcorp.com | New York, United States | ||
Equity investments are focused on tech, services, and consumer sectors. | 1981 | apax.com | Hong Kong, China | |
Software and technology-enabled services companies are targeted for investment. | 1980 | thomabravo.com | Chicago, United States | |
| gtcr.com |
Investor details for Sophos
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
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People of Sophos
360 people are tracked at Sophos (125 in leadership, 235 in team).
| Name | Role | Group |
|---|---|---|
Joe Levy | CEO | Leadership |
Tara Bresnahan | Director, Americas Channel Marketing | Leadership |
Swati Chettri | Sales Talent Acquisition Partner | Leadership |
Harish C. | VP Sales - MEA | Leadership |
Justine Lewis | CMO | Leadership |
Raja Patel | Chief Product Officer | Leadership |
Eric Milton | Director Of Sales - US Public Sector | Leadership |
Megan Cabrera | Vice President Marketing Operations | Leadership |
Samantha Kane | Talent Acquisition Partner | Leadership |
Melissa Kelly | Director Of Customer Success And Professional Services Operations | Leadership |
Kaori Enami | Marketing Director | Leadership |
Sarah Felts | Director, Legal Operations | Leadership |
Brendan Wood | Director, North America Enterprise Solution Architects | Leadership |
Pradip Solanki | Director, Global Support Training | Leadership |
.dave Mareels. | Vice President Of Product Management | Leadership |
Amanda Mallow | EVP And Chief Human Resources Officer | Leadership |
John Hackett | Vice President Human Resources APJ | Leadership |
Fiona Ho | VP Of Human Resources | Leadership |
Heejin Choe | Senior Director, Human Resources | Leadership |
Karon Ayres | Human Resources Director | Leadership |
340 more people are available in the full profile.
Complete people profiles for Sophos
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Investments & Acquisitions by Sophos
Sophos has strategically engaged in corporate development activities, having acquired 20 companies. Notable acquisitions include ActiveState, Arco Cyber and Astaro.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Platform that unifies cybersecurity tools data for better defense insights. | arcocyber.com | London, United Kingdom | 2022 | Feb 2026 | •••• | |
Cloud-based enterprise security solutions are provided worldwide. | secureworks.com | Atlanta, United States | 1999 | Oct 2024 | $859M | |
Solutions for threat detection and incident response | socos.io | London, United Kingdom | 2020 | Apr 2022 | •••• | |
Cloud-based workflow automation for application security is offered. | refactr.it | Bellevue, United States | 2017 | Aug 2021 | •••• | |
Managed security services and IT consulting are provided for enterprises. | braintrace.com | Salt Lake, United States | 2016 | Jul 2021 | •••• | |
Software-defined threat detection & prevention for container & micro-services | capsule8.com | Brooklyn, United States | 2016 | Jul 2021 | •••• | |
MSSP for threat monitoring, detection & response, Security consulting & PCI QSA | rooksecurity.com | Indianapolis, United States | 2008 | Jun 2019 | •••• | |
Endpoint threats are detected via machine learning and threat intelligence. | darkbytes.com | San Francisco, United States | 2016 | Jan 2019 | •••• | |
Cloud security and compliance automation is provided through AI. | avidsecure.io | San Francisco, United States | 2017 | Jan 2019 | •••• | |
Malware threats are detected on endpoints via secure virtual containers. | invincea.com | Fairfax, United States | 2009 | Feb 2017 | $100M |
Complete acquisition details for Sophos
Acquired stakes, deal sources and the complete acquisition history require an active premium plan.
- Acquired stakes
- Deal sources
- Complete history
- Exports
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Timeline of Sophos
16 dated milestones of Sophos across 41 years, from founding to its latest funding, stage changes and deals.
- Founded Sophos is founded.
- Funding First funding round of $72K.
- Exit Acquired by Apax.
- IPO Lists on the stock exchange (IPO).
- Acquisition Acquires Invincea.
- Acquisition Acquires Avid Secure.
- Acquisition Acquires DarkBytes.
- Acquisition Acquires Rook Security.
- Exit Acquired by Thoma Bravo.
- Acquisition Acquires Capsule8.
- Acquisition Acquires BrainTrace.
- Acquisition Acquires Refactr.
- Acquisition Acquires SOC.OS.
- Acquisition Acquires SecureWorks.
- Acquisition Acquires Arco Cyber.
- Funding Latest funding round, Debt – Conventional, of $200.0M.
Web traffic of Sophos
The website of Sophos (sophos.com) receives about 8.5M visits a month and ranks #11,108 among all websites worldwide, #1,541 in Computer Security.
- Monthly visits8.5M
▲ 17.1% vs previous month
- Unique visitors866.9K
per month
- Global rank#11,108
among all websites
- Category rank#1,541
Computers Electronics and Technology · Computer Security
- Bounce rate31%
- Pages per visit4.4
- Average visit3 min 03 sec
- DevicesDesktop 85% · Mobile 15%
Websites whose visitors overlap most with Sophos. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| bitdefender.com | 100% | 8M | #5,641 | View details | |
| mcafee.com | 95% | 21.4M | #2,317 | View details | |
| kaspersky.com | 94% | 11.1M | #4,004 | View details | |
| f-secure.com | 94% | 1.2M | #46,912 | View details | |
| symantec.com | 94% | 740K | #65,592 | View details | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 40 similar websites and full traffic analytics for Sophos
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- 40 similar websites
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Related news about Sophos
Complete news archive for Sophos
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Frequently Asked Questions about Sophos
Sophos was founded in 1985 and raised its 1st funding round 11 years after it was founded.
Sophos is headquartered in Abingdon, United Kingdom. It is registered at Abingdon, Oxfordshire, United Kingdom.
Joe Levy is the CEO of Sophos, as recorded in our data.
Sophos is a funded company, having raised a total of $4.61M across 7 funding rounds to date. The company's 1st funding round was a Unspecified of $72.3K, raised on Dec 1996.
Sophos was founded in 1985 in Abingdon, United Kingdom, and operates in the cybersecurity sector. Security solutions are provided for IT endpoints, encryption, network protection, email security, mobile devices, and unified threat management. Server safeguards, including firewalls, secure WiFi, web gateways, email gateways, and antivirus software, are included in the offerings. The company focuses on enterprise-level protection across global operations.
Sophos has made 20 acquisitions, including ActiveState, Arco Cyber, and Astaro.
Sophos has 4 investors. Key investors include Apax Partners, Thoma Bravo, Investcorp, and GTCR Chicago Private Equity Firm.
Sophos operates through Sophos Limited.
Yes. Sophos was acquired by Thoma Bravo in October 2019.
Yes. Sophos publishes Sophos Intercept X for Mobile, with over 1 million downloads.
The website of Sophos receives about 8.5 million visits a month and ranks #11,108 among all websites worldwide.