Washington Harbour Partners
Washington Harbour Partners is a private investment firm that deploys flexible capital and operating expertise into mission-critical cybersecurity, government technology, and enterprise technology businesses serving U.S. and allied national security customers, managing $4.7B across six PE platforms and a growth equity portfolio.
- Company typePrivate
- Founded2019
- HeadquartersArlington, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Washington Harbour Partners does
Washington Harbour Partners LP is a private investment firm founded in 2021 and headquartered in Arlington, Virginia, that specializes in mission-critical, non-cyclical businesses at the intersection of cybersecurity, government technology, and enterprise technology. The firm positions itself as a "mission-first defense tech accelerator," deploying flexible capital (control and select minority) into companies that serve U.S. and Five Eyes government customers, with an investment thesis derived from U.S. Space Force, NRO, SDA, and Intelligence Community priorities across four pillars: Understand, Decide at machine speed, Connect, and Protect. The firm differentiates itself through 100% proprietary deal sourcing via an embedded network of 9 Operating Partners drawn from organizations including In-Q-Tel, SpaceX, Anduril, Raytheon, NSA Senior Executive Service, Peraton, Leidos, Tanium, McAfee, Shift5, and CACI.
The firm operates two business lines: a Private Equity platform composed of six active operating companies (Groundswell, SIXGEN, Raft, Outpost Mission Services, Trusted Space, and Computomic) formed through 11 acquisitions since 2021, and a Venture & Growth Equity portfolio of minority investments spanning Series A through Pre-IPO across defense technology, space, AI, cybersecurity, nuclear fuel, and advanced manufacturing (including Anduril, Shield AI, Epirus, Apex Space, Stoke Space, Northwood Space, Turion Space, RegScale, Firestorm Labs, Standard Nuclear, and VulcanForms). WHP manages $4.7 billion in assets under management with 12 investment and operations professionals plus 9 Operating Partners, and deploys capital primarily through bilateral negotiations with co-investment syndicates that include Andreessen Horowitz, Sequoia, Founders Fund, Lockheed Martin Ventures, In-Q-Tel, and Bessemer. Revenue is generated through industry-standard private fund economics: management fees on committed/invested capital and carried interest on successful exits via strategic sales to top-tier defense and technology acquirers, IPOs, or secondaries. The firm emphasizes "purpose-built exits" and integration-ready platforms rather than financial engineering, with its portfolio of 16 companies named to the 2026 NatSec100 placing it among the top 6 defense technology investors.
Washington Harbour Partners firmographics
Firmographics- Name
- Washington Harbour Partners
- Legal name
- Washington Harbour Partners LP
- Website
- http://washingtonharbour.com
- Company type
- Private
- Founded year
- 2019
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Washington Harbour Partners is a private investment firm that deploys flexible capital and operating expertise into mission-critical cybersecurity, government technology, and enterprise technology businesses serving U.S. and allied national security customers, managing $4.7B across six PE platforms and a growth equity portfolio.
- Ownership category
- akta.pro rank
Washington Harbour Partners industry classification
Industry- Product category
- Private Equity & Growth Capital (Defense Technology)
- NAICS
- Portfolio Management and Investment Advice (52394), Other Financial Vehicles (525990)
- SIC
- Investment Advice (6282), Investors, Nec (6799)
- akta.pro primary industry
- Venture Capital Secondaries (LP Interests & Direct Secondaries) (FSANAFAJ)
- akta.pro secondary industries
- Offshore & International Private Banking (FSAAABAB), Corporate & Institutional Trust Services (FSAAANAB)
Keywords
Where Washington Harbour Partners is headquartered
LocationHeadquarters
- HQ city
- Arlington
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Washington Harbour Partners business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure, Others
Revenue model
- Private investment fund management: Private investment firm managing $4.7B in assets under management across private equity platforms and VC/growth-equity investments; revenue derives from management fees on committed/invested capital and carried interest on successful exits (industry-standard PE/VC economics, not explicitly itemized in source).
- Private equity platform returns: Six active private equity platforms formed through 11 acquisitions since 2021 (Groundswell, SIXGEN, Raft, Outpost, Trusted Space, Computomic); returns realized via strategic exits to top-tier acquirers.
- VC and growth equity exits: Growth equity and venture investments from Series A through Pre-IPO across Cybersecurity, Government & Defense Technology, and Enterprise Technology, generating returns through IPO, M&A, or secondary sales.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Flexible Capital for Majority with Some Minority Positions |
Go-to-market motion3 records
Distribution channels3 records
Marketing channels5 records
Washington Harbour Partners product offering
Product offeringCore offering
Washington Harbour Partners LP is a sector-specialized private investment firm that provides flexible private capital (majority and select minority positions) combined with deep operating expertise to mission-critical, non-cyclical businesses across cybersecurity, government technology, and enterprise technology. The firm operates through two service lines: (1) a Private Equity platform of six active operating companies built via 11 acquisitions since 2021, and (2) a Venture & Growth Equity portfolio of Series A through Pre-IPO minority investments. The firm sources 100% of deals through its proprietary Operating Partner network and embeds operators into portfolio companies to scale operations, expand margins, and prepare integration-ready exits.
Product overview
Washington Harbour Partners LP is a private investment firm — not a technology product company — that offers flexible capital and operational expertise to mission-critical, non-cyclical businesses across cybersecurity, government technology, and enterprise technology. The firm operates through two principal service lines: a Private Equity platform composed of 6 active operating companies (Groundswell, SIXGEN, Raft, Outpost Mission Services, Trusted Space, and Computomic) formed via 11 acquisitions since 2021, and a VC & Growth Equity portfolio of minority investments spanning Series A through Pre-IPO across defense tech, space, AI, cybersecurity, and advanced manufacturing. Together these two pillars form the firm's offering: the PE platforms provide control buyouts of mission-critical federal and enterprise technology businesses, while the VC & Growth Equity portfolio provides early- to late-stage minority capital to high-growth technology companies.
Differentiator
Problem solved
Functional benefit
Brands
- Groundswell: IP-enabled technology partner to the Department of Defense, Intelligence Community, and Federal Civilian Agencies at the forefront of modern next-generation ERP, low-code application development, and AI-enabled automation.
- SIXGEN
- Raft
- Outpost
- Trusted Space
- Computomic
Products and services
- Groundswell Private Equity Platform
- SIXGEN Private Equity Platform
- Raft Private Equity Platform
- Outpost Mission Services Private Equity Platform
- Trusted Space Private Equity Platform
- Computomic Private Equity Platform
- VC & Growth Equity Portfolio
Quantifiable outcome
- $750M+ invested in the defense-industrial base in the prior year (per NatSec100 coverage)
- +3 more outcomes
Companies that use Washington Harbour Partners
Customer profileNamed customers6 records
Segments5 records
Ideal customer profiles4 records
Washington Harbour Partners technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Washington Harbour Partners partnerships and signals
Strategic signalPartnerships
14 partnerships are on record, tiered flagship, core and minor.
- ComputomicflagshipPlatform investment announced June 2026 during the Databricks Data + AI Summit; Computomic is a global Databricks delivery partner that has completed 250+ Databricks projects across financial services, healthcare, public sector, and manufacturing. WHP positioned as a 'mission-first defense tech accelerator' bringing operational expertise to scale Computomic's data and AI practice.
- In-Q-Tel (IQT)flagshipStrategic and talent pipeline relationship; WHP's Senior Partner Brian Smith joined in May 2026 after nearly two decades at In-Q-Tel, where he led the Advanced Systems Practice and executed over sixty investments supporting the national security community. WHP positions itself as continuing IQT's mission of public-private collaboration on national security technology.
- Silicon Valley Defense GroupflagshipEcosystem partner publishing the annual NatSec100 list in which WHP is consistently recognized; WHP is positioned as a top-6 defense technology investor.
- Ronald Reagan Presidential Foundation & InstitutecoreWHP Founder and CIO Mina Faltas serves on the National Security Innovation Base (NSIB) Program Advisory Board, which published the 2026 NSIB Report Card.
- Lockheed Martin VenturescoreStrategic capital partner co-investing with WHP in multiple defense-tech rounds (ANELLO Photonics, Firestorm Labs, Apex Space, Stoke Space, Medallion), supporting technology insertion and defense customer access.
- Northrop GrummancoreDefense prime customer and partner of WHP portfolio company Apex Space, collaborating on space-based interceptors for the U.S. Golden Dome missile defense project.
- Trusted SpaceflagshipPlatform investment announced November 2025; provides modeling, simulation & analysis, data science, machine learning, and autonomy software for modern space architecture and BMC2. WHP intends Trusted Space to serve as its platform for software-defined space technologies and IP-enabled services.
- Conifers.aicoreWHP made a strategic investment in Conifers.ai (October 2025) to scale its agentic AI CognitiveSOC platform for U.S. government missions.
- Outpost Mission Services (formerly Radome Services)flagshipPlatform investment launched September 2025 following the acquisition and rebranding of Radome Services, a New Hampshire-based provider of inspection, repair, and maintenance for radomes and ground antenna infrastructure. Jonathan Sholtis serves as WHP Operating Partner leading the Outpost platform.
- Salesforce Ventures, RecognizecoreCo-investors with WHP in Thunder's growth investment (December 2024) for Data Cloud and AI Salesforce consulting; WHP joined Thunder's Board of Directors.
- RaftflagshipFlagship AI/data platform investment (March 2024) providing data-centric and AI-powered software systems to defense and intelligence agencies. Raft acquired N3bula Systems in June 2025 to accelerate mission-critical AI defense innovation. WHP Founder Mina Faltas serves on Raft's board.
- Groundswell (formerly CollabraLink Technologies)flagshipFlagship private equity platform launched November 2021, built via acquisitions of Telesto Group (Nov 2021), CollabraLink Technologies (Dec 2021/Jan 2022), and Groundswell Consulting Group (Jul 2022). Provides ERP modernization, low-code automation, and AI-enabled solutions to DoD, IC, and federal civilian agencies. CEO George Batsakis and CSDCO Jerad Speigel serve as WHP Operating Partners.
- SIXGENflagshipFlagship cyber platform investment acquired November 2023 (second platform in U.S. federal government IT). SIXGEN delivers full-spectrum cyber, electronic warfare, secure RF communications, and multi-domain digital operations. Add-on acquisitions include Secure-EE (Jul 2024), Boldend (Aug 2024), and Kyrus Tech (Dec 2024). Janelle Romano and Irby Thompson serve as WHP Operating Partners while leading SIXGEN strategy and operations.
- Accelerated Visions, Cystic Fibrosis Foundation, MilVet Angels Foundation, International Spy Museum, Wolf TrapminorCommunity philanthropy partnerships highlighted on the firm's About page; WHP partners and employees actively participate in charitable initiatives supporting national security veterans, education, and the arts.
Scale indicators10 records
Recent moves6 records
Expansion highlights6 records
Washington Harbour Partners competitors and assessment
Company assessmentDirect peers
- Lux Capital: Deep-tech venture firm with material exposure to space, autonomy, and dual-use defense technologies. Comparable to WHP in sector specialization and government end-market focus, with a broader deep-tech lens.
- Decisive Point: Venture firm investing in dual-use technology for U.S. national security and critical infrastructure. Direct peer; co-invested with WHP in Standard Nuclear and Scout Space.
- 8VC: Operationally-engaged venture firm with a defense and government technology thesis. Co-invested with WHP in Apex Space, Epirus, and Firestorm Labs; comparable stage focus and operator-network model.
- In-Q-Tel (IQT): The strategic, not-for-profit venture firm for the U.S. intelligence community, investing across national security, cyber, and space. Directly comparable as a mission-driven national-security investor; WHP explicitly positions itself as continuing IQT's mandate, and Brian Smith joined WHP from IQT.
- Shield Capital: Early-stage venture firm focused on national security, autonomy, space, and cybersecurity for defense and intelligence customers. Direct peer in the defense-tech VC niche with similar thesis-driven investing and government customer focus.
- Veritas Capital: Private equity firm specializing in government and defense technology, federal IT, and cyber platforms. Direct PE peer (WHP Investment Partner Joseph Ender came from Veritas) with similar roll-up playbook in federal IT and national security.
Broad incumbents
- General Catalyst: Large venture firm with a publicly stated focus on defense and government technology investments. Comparable end-market exposure and growing overlap in defense-tech rounds alongside WHP.
- Andreessen Horowitz (a16z): Mega-fund with a dedicated American Dynamism practice covering defense, space, manufacturing, and public-sector technology. Co-led Northwood Space $100M Series B with WHP and frequently appears as co-investor; broader portfolio and fund scale.
- Founders Fund: Large multi-stage venture firm with a prominent defense and space tech practice (Anduril, Stoke, Hadrian). Co-invests with WHP in Stoke Space and Northwood Space; broader portfolio and larger fund vehicles than WHP.
Emerging players
- Defiant Ventures: Veteran-led early-stage venture firm investing in national security, defense, and dual-use technology companies. Smaller and earlier-stage than WHP but a directly comparable national-security investor with similar founder-network sourcing approach.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
Washington Harbour Partners social profiles
Digital presenceWashington Harbour Partners financial estimates
Financial estimateRevenue estimate
Valuation estimate
Washington Harbour Partners leadership team
Management profileNumber of profiles
Profiles25 records
Washington Harbour Partners subsidiaries and ownership
Company hierarchySubsidiaries6 records
Washington Harbour Partners funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Washington Harbour Partners M&A and investment
M&A and investmentM&A7 records
Investments88 records
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Washington Harbour Partners
What does Washington Harbour Partners do?
Washington Harbour Partners LP is a sector-specialized private investment firm that provides flexible private capital (majority and select minority positions) combined with deep operating expertise to mission-critical, non-cyclical businesses across cybersecurity, government technology, and enterprise technology. The firm operates through two service lines: (1) a Private Equity platform of six active operating companies built via 11 acquisitions since 2021, and (2) a Venture & Growth Equity portfolio of Series A through Pre-IPO minority investments. The firm sources 100% of deals through its proprietary Operating Partner network and embeds operators into portfolio companies to scale operations, expand margins, and prepare integration-ready exits.
Is Washington Harbour Partners a public or private company?
Washington Harbour Partners is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Washington Harbour Partners founded?
Washington Harbour Partners was founded in 2019. It employs 11 to 50 people.
Where is Washington Harbour Partners based?
Washington Harbour Partners is headquartered in Arlington, United States, in the North America region.
How does Washington Harbour Partners make money?
Three revenue lines are on record. Private investment fund management is the primary driver. The others are private equity platform returns and VC and growth equity exits.
Who are Washington Harbour Partners's main competitors?
Direct peers on record are Lux Capital, Decisive Point, 8VC, In-Q-Tel (IQT), Shield Capital and Veritas Capital. Broad incumbents are General Catalyst, Andreessen Horowitz (a16z) and Founders Fund. Defiant Ventures is listed as an emerging player.
Does Washington Harbour Partners have an API?
No public API is recorded for Washington Harbour Partners.
What industry is Washington Harbour Partners in?
Washington Harbour Partners's product category is Private Equity & Growth Capital (Defense Technology). Its primary akta.pro industry code is FSANAFAJ, Venture Capital Secondaries (LP Interests & Direct Secondaries), with a secondary code of FSAAABAB, Offshore & International Private Banking. Its NAICS code is 52394 and its SIC code is 6282.