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ClearSky

North America, Florida, United States, North Palm Beach

Description

ClearSky is a venture capital and growth equity firm based in North Palm Beach, Florida, with an additional office in New York. Established in 2012, the firm specializes in investing in companies operating within the critical sectors of cybersecurity, infrastructure, and enterprise technology. ClearSky targets businesses that are developing solutions for complex challenges faced by large enterprises and government entities, leveraging its team's extensive experience in technology, venture capital, and private equity.

The firm's investment strategy primarily focuses on growth equity and late-stage venture opportunities, indicating a preference for more mature companies with proven products and market traction. ClearSky typically deploys first cheques ranging from $5 million to $25 million, aiming to provide substantial capital to fuel the scaling and expansion of its portfolio companies. This investment range positions ClearSky to support businesses through significant growth phases, often participating in larger funding rounds alongside other institutional investors.

ClearSky manages approximately $300 million in assets under management, primarily through two dedicated funds. Its first fund, ClearSky Power & Technology Fund I, closed with $100 million in 2017. This was followed by the successful closing of ClearSky Power & Technology Fund II, which secured $200 million in 2021, demonstrating continued investor confidence in ClearSky's investment thesis and capabilities. The firm has made over 30 investments to date, with notable participation in rounds for companies like CyCognito, which was later acquired. ClearSky's active portfolio management and strategic focus underscore its commitment to fostering innovation in critical technology domains.

Investor Profile

ClearSky has backed more than 81 startups, with 4 new investments in the last 12 months alone. The firm has led 30 rounds, about 37% of its total and boasts 33 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Series A, Series B, Series C rounds (top funding stages).
  • Majority of deals are located in United States, Israel, Canada.
  • Strong thematic focus on Cyber Security, Software, Information Technology.
  • Led 1 rounds in the past year.
  • Typical check size: $5M – $25M.

Stage Focus

  • Series A (27%)
  • Series B (26%)
  • Series C (17%)
  • Series D (11%)
  • Series Unknown (10%)
  • Seed (6%)
  • Post Ipo Equity (1%)
  • Series F (1%)

Country Focus

  • United States (93%)
  • Israel (6%)
  • Canada (1%)

Industry Focus

  • Cyber Security
  • Software
  • Information Technology
  • Cloud Security
  • Security
  • Artificial Intelligence (Ai)
  • Network Security
  • Saas
  • Energy
  • Analytics
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does ClearSky frequently co-invest with?

Glilot Capital Partners
Asia, Tel Aviv, Israel, Herzliya
Co-Investments: 6
Scale Venture Partners
North America, California, United States, Foster City
Co-Investments: 6
Foundation Capital
North America, California, United States, Palo Alto
Co-Investments: 6
Crosslink Capital
North America, California, United States, Menlo Park
Co-Investments: 7
Bessemer Venture Partners
North America, California, United States, San Francisco
Co-Investments: 8
Rally Ventures
North America, California, United States, Menlo Park
Co-Investments: 8
Blackstone Group
North America, New York, United States, New York
Co-Investments: 10
DNX Ventures
North America, California, United States, San Mateo
Co-Investments: 6
Ten Eleven Ventures
North America, California, United States, Burlingame
Co-Investments: 5
Khosla Ventures
North America, California, United States, Menlo Park
Co-Investments: 5

Which angels does ClearSky often collaborate with?

AS
North America, Florida, United States, Maitland
Shared Deals: 1
AD
North America, California, United States, San Francisco
Shared Deals: 1
JL
Europe, England, United Kingdom, London
Shared Deals: 1
ZL
North America, Texas, United States, Austin
Shared Deals: 1
MB
North America, California, United States, San Francisco
Shared Deals: 1
BG
North America, Washington, United States, Seattle
Shared Deals: 2
GH
North America, California, United States, San Francisco
Shared Deals: 1
PK
North America, Florida, United States, Orlando
Shared Deals: 1
Michael Dolinsky
Asia, Israel
Shared Deals: 1

What are some of recent deals done by ClearSky?

Guardz

Miami, Florida, United States

Guardz is a cybersecurity company that develops an AI-native unified detection and response platform to protect SME businesses.

Artificial Intelligence (AI)Cyber SecurityInformation TechnologyIT ManagementSmall and Medium Businesses
Series BJun 9, 2025
Amount Raised: $56,000,000
XGS Energy

Palo Alto, California, United States

XGS Energy is a geothermal heat harvesting technology company.

EnergyGeothermal EnergyPower Grid
Series UnknownMar 26, 2025
Amount Raised: $13,000,000
Mitiga

Tel Aviv, Tel Aviv, Israel

Mitiga is cloud and SaaS security startup that provides advanced cloud threat detection, incident response, and investigation solutions.

Cloud SecurityCyber SecurityNetwork SecuritySaaS
Series BJan 21, 2025
Amount Raised: $30,000,000
HUMAN

New York, New York, United States

HUMAN is a cybersecurity company that protects the internet and enterprises from fraud and sophisticated bot attacks.

AdvertisingArtificial Intelligence (AI)Cyber SecurityFraud DetectionInternetSecuritySoftware
Series UnknownOct 9, 2024
Amount Raised: $50,000,000
Guardz

Tel Aviv, Tel Aviv, Israel

Guardz is the developer of a cybersecurity technology aimed to give real-time protection.

Cyber SecurityIT ManagementSmall and Medium Businesses
Series ADec 13, 2023
Amount Raised: $18,000,000
EdgeQ

Santa Clara, California, United States

EdgeQ is an information technology company that specializes in the field of 5G chip systems.

Artificial Intelligence (AI)Information TechnologyInternetSemiconductorWireless
Series BApr 19, 2023
Amount Raised: $75,000,000
Mitiga

Tel Aviv, Tel Aviv, Israel

Mitiga is the cloud-based solution for Incident Readiness and Response in cloud and hybrid environments.

Cloud SecurityCyber SecurityNetwork SecuritySaaS
Series AMar 14, 2023
Amount Raised: $13,000,000
Revelstoke

San Jose, California, United States

Revelstoke is a low-code, high-speed security orchestration, automation, and response platform.

Information TechnologySecuritySoftware
Series BMar 8, 2023
Amount Raised: $20,000,000
RenewWest, Inc

Denver, Colorado, United States

RenewWest is a climate, finance, and land management company that speed carbon projects up, from start to finish.

Environmental ConsultingFinanceForestry
SeedNov 14, 2022
Amount Raised: $3,200,000
ClearTrace

Austin, Texas, United States

ClearTrace is a software company that provides automated energy and carbon accounting for investors, enterprises, and real estate owners.

EnergyEnvironmental ConsultingInformation TechnologyInternet of ThingsRenewable EnergySoftware
Series BJun 29, 2022
Amount Raised: $20,000,000