Private equity defense deals in 2025

TransDigm Group's deal for Stellant Systems is called off

Seller: Arlington Capital Partners

Designer and manufacturer of high-power electronic components and subsystems serving the aerospace and defense end market.

CACI International buys ARKA Group

Seller: Funds managed by Blackstone Tactical Opportunities

Space-based sensor portfolio and ground-based software processing for national security missions; electro-optical/infrared and hyperspectral imaging and agentic AI-based software

Comply365 agrees to buy MINT

Backed by Liberty Hall Capital Partners

a company focused on innovative training management for the aviation industry

Arcfield buys Rite-Solutions

Backed by Veritas Capital

Rhode Island-based software development, systems engineering and information technology provider with undersea warfare and naval systems expertise

EthosEnergy sells Ethos A&C to Wencor Group

Buyer: Wencor Group · Backed by One Equity Partners

EthosEnergy's aerospace and defense business, providing repair services to aerospace and defense customers

Safran sells Safran Passenger Innovations to Kingswood Capital Management, LP

Buyer: Kingswood Capital Management, LP

A global provider of in-flight entertainment and connectivity solutions for airlines and airplane manufacturers worldwide, renamed RAVE Aerospace at closing.

Jensen Hughes buys Safety Management Services

Backed by Gryphon Investors

An engineering firm specializing in process safety hazards analysis and energetic materials consulting and testing.

Washington Harbour Partners LP takes a stake in Trusted Space

Modeling, simulation and analysis solutions and custom software for data science, machine learning and autonomy across the modern space architecture

Precision Aviation Group buys H.E.R.O.S.

Backed by GenNx360 Capital Partners

Rolls-Royce M250/RR300 engine MRO provider based in Chandler, Arizona

Synergy ECP agrees to buy NetServices

Backed by Falfurrias Management Partners

A provider of secure, innovative technology solutions supporting mission-critical federal environments.

Woven Solutions agrees to buy Cystemic Security

Backed by Falfurrias Management Partners

Known for its delivery of cutting-edge cyber solutions to the intelligence community; blends managed attribution solutions with commercial partnerships to enable cyber forensics, vulnerability analysis, and attribution control.

Arcline Investment Management buys American Casting

Provider of highly engineered investment castings for aerospace, defense, medical, energy and specialty industrial applications.

Viasat sells Navarino UK to Sogra Bidco Limited, a subsidiary of ICG

Buyer: Sogra Bidco Limited, a subsidiary of ICG

An equity method investment held by Viasat; Viasat sold all of its interests.

Fairbanks Morse Defense agrees to buy Truflo Marine

Seller: IMI

IMI's Birmingham, UK-based business in valve design, engineering and manufacturing for naval submarine and surface vessels

Vigor Marine Group sells Vigor Marine Group Complex Fabrication division to Precision Build Integration

Buyer: Precision Build Integration · Backed by Lone Star Funds

Formerly known as Oregon Ironworks, the division has excelled in complex steel fabrication in the energy, infrastructure, transportation and defense sectors, with operations primarily based in Clackamas, Oregon.

Veritas Capital buys MetroStar

Backed by Blue Delta Capital Partners

AI-enabled digital transformation services and software provider serving the U.S. Defense and National Security communities

Arcline Investment Management buys Novaria Group

Seller: KKR

Provider of engineered aerospace components and specialty processes.

HEICO buys Axillon Fuel Containment

Seller: SK Capital Partners

Designs and manufactures advanced fuel containment solutions, primarily for military fixed- and rotary-wing aircraft.

Diamond Antenna and Microwave buy Antenna Associates

Backed by Artemis Capital Partners

Massachusetts-based developer of Identification Friend or Foe (IFF) and secondary surveillance radar (SSR) antenna systems

Canopy Aerospace & Defense buys Tods Technology

Backed by Trive Capital

UK-based designer and manufacturer of advanced composite structures and acoustic materials.

TriMas sells TriMas Aerospace to PennAero

Buyer: PennAero · Backed by Tinicum

a provider of highly-engineered fasteners and precision-machined components for mission-critical applications across the global commercial aerospace and defense industries

Kaseware agrees to merge with OSINT Combine

Backed by Riverside

a pioneer in open-source intelligence (OSINT) software

Blue Delta Capital Partners takes a stake in BTS Software Solutions

Veteran-owned provider of intelligence operations, counter-UAS, cybersecurity, and data science solutions to national security focused agencies

VSE buys Aero 3

Seller: GenNx360 Capital Partners

Diversified global MRO service provider and distributor supporting the commercial wheel and brake aftermarket.

H.I.G. Capital buys A.L.A.

Mission-critical logistics and distribution services to major Aerospace & Defense manufacturers; listed on the Italian stock exchange.

Sigma Defense Systems buys Aries Defense

Backed by Sagewind Capital

A defense technology company founded in 2017 that specializes in tactical video and sensor integration, capturing and distributing UAV and unattended sensor data.

Trident Maritime Systems sells AGI to DC Capital Partners

Buyer: DC Capital Partners · Backed by J.F. Lehman & Company

Highly engineered electronic systems that support landing, navigation, communications and other mission-critical naval applications

Systems Planning & Analysis buys Group W

Backed by Arlington Capital Partners

A data science and defense analytics company focused on modeling and simulation and wargaming

ADDMAN Engineering agrees to sell Domaille Engineering to Palm Peak Capital

Buyer: Palm Peak Capital · Backed by American Industrial Partners

Provider of equipment and related accessories used to manufacture pre-terminated fiber optic cables, previously a division of ADDMAN Engineering.

Science Applications International buys SilverEdge

Seller: Godspeed Capital

An innovative provider of mission-driven technology solutions and products, with cybersecurity experts, software developers, engineers, and intelligence analysts

NewMarket buys Calca Solutions

Seller: AE Industrial Partners

Producer of UltraPure and high-purity hydrazine propellants, based in Lake Charles, Louisiana

Vitesse Systems, backed by Trive Capital buys Spacetime Engineering

Provider of high-performance antenna feeds for ground-based satellite and gateway antenna systems.

Fairbanks Morse Defense buys Vestdavit

Seller: Vestdavit's four owners

A supplier of davits and advanced handling systems based in Bergen, Norway

Funds managed by Carlyle buy Quantum Leap

A provider of cybersecurity and intelligence solutions for U.S. government customers, across the space, cyber, electromagnetic spectrum, and maritime domains.

Precise Systems buys Mission Focused Systems

Backed by Bluestone Investment Partners

a Royersford, Pennsylvania-headquartered provider of systems engineering, cybersecurity, and research, experimentation and prototyping solutions

Survitec sells Beaufort to Capitol Meridian Partners and Stellex Capital Management

Buyer: Capitol Meridian Partners and Stellex Capital Management

U.K.-based supplier of survival equipment for air, sea, and land forces

AEVEX buys RapidFlight

Seller: RapidFlight Holdings · Backed by Madison Dearborn Partners

A Manassas, Va.-based manufacturer of uncrewed aircraft systems (UAS); AEVEX acquired select assets and intellectual property

Trive Capital buys Canopy Aerospace & Defense

Newly formed advanced materials provider with insulative, absorptive and signal-reducing characteristics, combining Hera Technologies Inc. and MSM Industries Inc. with an R&D center.

Arclin buys Kevlar and Nomex

Seller: DuPont · Backed by TJC

DuPont's Aramids business, which includes the Kevlar and Nomex brands

Valkyrie Enterprises buys Optical Sciences

Backed by DC Capital Partners

Precision electro-optical and infrared (EO/IR) scene projector and test systems supporting missile defense, space sensor development, and advanced aviation applications

Coherent sells Attalon to Advent International

Buyer: Advent International

designs and manufactures optical and laser systems for defense applications

Falfurrias Management Partners agrees to buy Woven Solutions

A provider of technology and software solutions for the national security community.

J.F. Lehman & Company sells Narda-MITEQ to Amphenol

Buyer: Amphenol

Advanced radiofrequency and microwave components and subsystems for defense and commercial end markets

York Space Systems parent company buys ATLAS Space Operations

Backed by AE Industrial Partners

Provider of Ground Software as a Service for satellite communications, based in Traverse City, Michigan

PrecisionX Group buys Hudson Technologies

Backed by CORE Industrial Partners

a provider of specialty deep and shallow drawn stamping

CASE buys Ragnarok Technologies

Backed by AE Industrial Partners

Specialized IT services provider for federal and commercial clients, based in Reston, Virginia

Precision Aviation Group buys Turner Aviation

Backed by GenNx360 Capital Partners

Aviation MRO services provider in Glasgow, Scotland, repairing and overhauling avionics, components and fuel systems

SGS buys Applied Technical Services

Seller: Odyssey Investment Partners

provider of specialized Testing, Inspection, Calibration and Forensic Consulting solutions in North America

Parsons buys CTI

Seller: Bluestone Investment Partners

Maryland-based all-domain technology solutions provider.

Raft buys N3bula Systems

Backed by Washington Harbour Partners

Colorado Springs team that engineered the connective tissue for modern joint operations across U.S. Navy, DARPA and U.S. Air Force programs

AE Industrial Partners buys Air Transport Components

Provider of aircraft component maintenance, repair, and overhaul services, based in Gilbert, Arizona and Tulsa, Oklahoma

Cobham Ultra Group sells Ultra PCS to Eaton

Buyer: Eaton · Backed by Advent International

produces electronic controls, sensing products, stores ejection and data processing solutions, enabling mission success for global aerospace customers in the air and on the ground

Motorola Solutions buys Silvus Technologies

Seller: TJC

develops and manufactures mobile communications datalinks that facilitate data transmission without the need for fixed infrastructure

Rocket Lab buys Geost

Seller: LightRidge Solutions Holdings LP

Developer of electro-optical and infrared (EO/IR) sensor systems for national security space missions

Jet Parts Engineering buys Percival Aviation

Backed by Vance Street Capital

Fareham, UK engineering, design and manufacturing operation for aircraft interiors components.

Jet Parts Engineering buys Cima Aviation

Backed by Vance Street Capital

MRO services provider specializing in fuel and hydraulic repairs.

Tyto Athene buys stackArmor

Backed by Arlington Capital Partners

Buyer now known as: Quantum Sky

A provider of FedRAMP, FISMA/RMF and CMMC/DFARS compliance acceleration, cloud and security automation solutions for government agencies and the industrial base

Ultra Intelligence & Communications buys Expeditionary Engineering

Backed by Advent International

a San Diego-based company focused on Software Programmable Open Systems Compliant (SPOC) 3U VPX technology for airborne, expeditionary, and remote Department of Defense operations

Boeing sells Jeppesen, ForeFlight, AerData and OzRunways to Thoma Bravo

Buyer: Thoma Bravo

Portions of Boeing's Digital Aviation Solutions business, including its Jeppesen, ForeFlight, AerData and OzRunways assets

Rolls-Royce sells Rolls-Royce's SMS business to Comply365

Buyer: Comply365 · Backed by Liberty Hall Capital Partners

a global provider of safety and compliance management systems

Latecoere sells MADES to Cicor Group

Buyer: Cicor Group · Backed by Searchlight Capital Partners

Electronics manufacturing services business in Malaga, Spain

Leggett & Platt sells Aerospace Products Group to Affiliated funds managed by Tinicum

Buyer: Affiliated funds managed by Tinicum

a supplier of complex, highly engineered tube and duct assemblies for use primarily in commercial and military aircraft platforms and space launch vehicles

Cerberus Capital Management buys Votaw Precision Technologies

Specialty manufacturer of mission-critical hardware and components for launch and undersea vehicles, satellites, ground radar and other aerospace defense applications.

Systems Planning & Analysis buys Intrepid

Backed by Arlington Capital Partners

An engineering company with prime positions in the missiles and space, enterprise modernization, and aviation and mission support domains

Redhorse buys Mannakee Group

Backed by Blue Delta Capital Partners

Advanced software development and DevSecOps provider for government clients

J.F. Lehman & Company buys Wrist

Seller: Altor Equity Partners

Marine supply, logistics and budget management services for the maritime industry

SightLine Applications buys Athena AI

Backed by Artemis Capital Partners

Australia-based specialist in AI-enabled computer vision and decision support for defense applications

Systems Planning & Analysis buys Proximity Advisory Services

Backed by Arlington Capital Partners

Trive Capital buys Independent Forgings & Alloys

Sheffield, UK manufacturer of complex, multi-step forgings with a focus on advanced alloys.

Acorn Capital Management buys Pan Am Flight Academy

A Miami-based independent provider of flight simulator-based training, with a fleet of 25 owned full flight simulators and flight training devices, focused on commercial aircraft platforms.

Loar Holdings buys LMB Fans & Motors

Seller: Ace Aèro Partenaires, Ace LMB Fund, Amundi Private Equity Funds and others

Global specialty player in the design and production of tailor-made high-performance fans and motors.

VSE sells Wheeler Fleet Solutions to One Equity Partners

Buyer: One Equity Partners

VSE's Fleet segment, which sells aftermarket vehicle parts to government and commercial clients, sold with certain real estate.

SMX buys cBEYONData

Seller: Bluestone Investment Partners

a provider of implementation, design, and managed service capabilities, and of budget management and financial analytics solutions

Joint Research and Development buy Global Systems Technologies

Backed by Broadtree Partners

a provider of test and evaluation services, model-based systems engineering, logistics, and research and development to the Departments of Defense and Homeland Security customers

Capitol Meridian Partners buys LAUNCH

founder-led provider of technical workforce solutions and services to the aviation industry

Albion River buys Arotech

Seller: Greenbriar Equity Group

A provider of high-fidelity training and simulation, advanced electronics manufacturing, and portable power systems for defense, law enforcement, and select commercial end-markets.

Thermal Group buys ACT Aerospace

Backed by Behrman Capital

Manufacturer of advanced composite structures for the aerospace and defense industry, headquartered in Gunnison, Utah

Warburg Pincus takes Triumph Group private

Backed by Warburg Pincus LLC and Berkshire Partners

A provider of mission-critical engineered systems and proprietary components for aerospace and defense companies across both OEM and aftermarket applications

Redwire buys Edge Autonomy

Seller: Edge Autonomy Ultimate Holdings, LP · Backed by AE Industrial Partners

A provider of field-proven uncrewed airborne system (UAS) technology, including the Stalker and Penguin series

Micross Components buys Integra Technologies

Backed by Behrman Capital

Outsourced semiconductor assembly and test (OSAT) post-processing provider focused on high-reliability applications, headquartered in Wichita, Kansas