Military law addresses the rights, duties, and responsibilities of military personnel, issues related to military command, economic and business activities of military units and organizations; mobilization and military registration. Legal services in the defense sector encompass a wide range of areas, including regulatory compliance, security clearances, government contracts, export controls and sanctions, cybersecurity and data protection, intellectual property, etc.

Asters has developed a multidisciplinary military and defence practice advising Ukrainian defence technology companies, international manufacturers, investors and businesses affected by martial law. The team covers defence-sector transactions, export controls, technology transfers, intellectual property structuring, regulatory compliance, military registration, mobilisation and employee reservation procedures. Its recent work includes advising Shark Robotics, a French manufacturer of firefighting, explosive ordnance disposal and security robots, on the delivery of 40 Colossus firefighting robots to Ukraine’s State Emergency Service. The firm also advises Fourth Law and Odd Systems, Ukrainian defence technology companies, on intellectual property structuring and export control requirements, addressing the legal framework for developing, protecting and transferring defence technologies. Another disclosed mandate involved advising Intellias, an international IT company, on military registration and employee reservation matters. The practice brings together defence regulation, international trade, corporate and technology expertise. Key practitioners include Tetiana Tyshchenko, who assists international defense companies with market entry, contract support, procurement, industrial cooperation, and regulatory compliance; and Yuna Potomkina, whose focus on military law, business structuring and adaptation, as well as achieving strategic business objectives in the context of wartime challenges and export control matters. Oleksiy Demyanenko and Anton Sintsov are also widely involved in the practice.

AVER LEX has developed a dedicated military law practice providing comprehensive legal assistance to Ukrainian service personnel, prisoners of war, missing persons and their families. The practice combines military service-related advisory with criminal defence, judicial establishment of legally significant facts, and claims for compensation arising from injuries, disability or death. A significant focus is the protection of the rights of captured and missing service members, including foreign nationals who joined Ukraine’s defence forces. Vitaliy Serdyuk, Senior Partner, focuses on the protection of captured and missing service members and their families, including urgent legal interventions and criminal proceedings. The practice is headed by Andriana Fozekosh.

EVERLEGAL advises Ukrainian and international defence technology businesses on corporate structuring, joint ventures, market entry, export controls, regulatory compliance and the establishment of defence-related operations in Ukraine and abroad. The practice addresses the legal challenges associated with defence manufacturing, military technologies and dual-use products, combining corporate, intellectual property, employment and regulatory expertise. Its experience includes advising Ukrainian defence businesses on international expansion, the selection of suitable corporate structures and compliance with export control requirements. The practce is led by Yevheniy Deyneko, Managing Partner, and Andriy Porayko, Partner.

Ilyashev & Partners advises defence manufacturers, exporters, military suppliers, employers and individuals on defence procurement, international arbitration, regulatory compliance, mobilisation and military service matters. The firm represents State Enterprise Progress, a Ukrainian defence exporter, in VIAC arbitration against a US supplier concerning an ammunition procurement contract. In employment-related military matters, the firm assisted Druzhkovka Hardware Plant in securing mobilisation deferments for essential manufacturing personnel. Another mandate involves advising on the sale of corporate rights in a Ukrainian company specialising in the production of military transport vehicles and representing a Ukrainian developer and manufacturer of tactical laser simulation systems for military training, in proceedings before the Antimonopoly Committee of Ukraine (AMCU) challenging the rejection of its tender proposal. Roman Marchenko, Senior Partner, leads defence-related disputes, while Mikhail Ilyashev, Managing Partner, advises on strategic matters.

Kinstellar advises international defence manufacturers, technology developers and investors on establishing and expanding operations in Ukraine, combining corporate structuring, defence procurement, export controls, regulatory compliance and military-related employment advice. The firm advised Rheinmetall Expal Munitions S.A.U. on structuring a proposed joint venture with state-owned Ukrainian Defence Industry for ammunition manufacturing, including the preparation of joint venture documentation and regulatory arrangements. The firm also advises BAE Systems on its Ukrainian operations, including registration of international technical assistance projects and structuring cooperation with Ukrainian counterparties, and assisted Neros, Inc. with establishing a Ukrainian research and development subsidiary for unmanned aerial systems, including incorporation, financing arrangements and intercompany documentation. The practice combines the expertise of Daniel Bilak, Partner, in defence investments and joint ventures; and Natalia Kirichenko, Partner, in technology, intellectual property and regulatory issues

MORIS has developed a multidisciplinary defence and military law practice combining legal support for defence technology businesses with representation of military personnel, veterans and military institutions. Its defence industry work covers corporate structuring, governance, contractual arrangements and intellectual property issues, while its military law practice addresses service-related rights, benefits, compensation and the legal implications of military reform. Other work includes legal assistance to families of fallen defenders, representation in military-related criminal proceedings and support for the procurement and import of military equipment through a volunteer coordination initiative.

Sayenko Kharenko advises international defence manufacturers, Ukrainian defence technology businesses, financial institutions and government-related entities on defence procurement, investment structuring, export controls, regulatory compliance and military-related legal matters. The practice has developed particular expertise in financing defence capabilities and supporting foreign manufacturers entering the Ukrainian market. A landmark mandate involved advising the lenders, agent, arranger and UK Export Finance on a GBP 1.7 billion UKEF-guaranteed defence loan to Ukraine, involving the structuring of substantial financing for defence procurement. The firm also advised Denmark’s Export and Investment Fund (EIFO) on its inaugural financing under a DKK 1 billion guarantee scheme, supporting Danish commercial participation in Ukraine’s reconstruction and defence-related economic activity. In another significant mandate, Sayenko Kharenko advised Edge Autonomy, an international manufacturer of unmanned aerial systems, on establishing its local presence in Ukraine, addressing the corporate, regulatory and operational requirements of entering the Ukrainian market. The practice, as led by Nazar Chernyavsky, Partner, and Dmytro Riabikin, Counse, combines defence-sector regulatory expertise with corporate, finance, tax, intellectual property, employment and public procurement capabilities.

ADVANQ has a specialized defence industry practice advising manufacturers, suppliers and technology companies operating in the security and defence sector. The practice combines procurement, regulatory, corporate and contractual expertise required to operate and develop defence businesses. The team advises clients at various stages — from product codification, obtaining ‘critical’ status and securing employee reservation to participation in defence procurement, performance of state contracts, structuring consortia and international partnerships, and entering foreign markets. In 2025, ADVANQ, among other matters, advised on a USD 242 million defence contract and assisted 11 companies in obtaining critical enterprise status and securing employee reservation. The practice is headed by co-managing partner Olga Gonchar and partner Daria Kotova; Yana Sviderska is a key member of the team.

ALPHA LEX advises businesses operating in Ukraine’s defence sector, with a particular focus on legal support for the repair, maintenance and protection of military vehicles. Developed following russia’s full-scale invasion, the practice covers contractual and regulatory matters related to military equipment servicing, including cooperation with foreign partners. The firm also assists defence industry enterprises with obtaining critical enterprise status. Nataliia Makarenko, Managing Partner, leads the firm’s defence industry mandates, focusing on contractual support and regulatory matters involving military equipment servicing.

AMV Law Offices advises international defence manufacturers, suppliers and Ukrainian defence technology companies on contractual, regulatory and dispute resolution matters. The practice focuses on defence procurement disputes, cross-border supply contracts, state defence contracts and complex technical projects involving military equipment. The team represents clients in Ukrainian courts and international arbitrations, advises on contractual performance and regulatory risks, and handles disputes involving state-owned enterprises and international contractors. Its expertise also encompasses disputes arising from military equipment modernisation, supply chain disruptions and reputational issues affecting defence businesses. Olexander Martinenko, Managing Partner, and Danylo Volkovetskyi, Counsel, are core practitioners.

Antika Law Firm has an active defense-sector practice advising suppliers and contractors on government procurement, international defense transactions, export controls and the regulatory requirements governing military goods. Its expertise also extends to mobilization compliance, military registration, employee reservation and the international movement of controlled goods. Oleksandra Fedorenko, Partner, leads significant defense contracting matters, supported by Mykhailo Voitsekhovskyi and Oleksandr Tretiakov, Senior Associates, who focus on procurement documentation, cross-border contracts and regulatory compliance.

ARMADA has developed a substantial military law practice centered on mobilization compliance, critical enterprise designation, employee reservation and regulatory support for businesses operating under martial law. The team advises Ukrainian companies and international groups in manufacturing, logistics, agriculture, retail and defense-related industries. Its work covers the entire process of obtaining critical enterprise status, from assessing eligibility and preparing supporting documentation to representing clients before government authorities and establishing internal military registration procedures. The practice is headed by Anastasiia Luuk.

ETORUM LAW FIRM advises private defence industry companies on regulatory compliance, procurement and the legal aspects of defence production and supply. The practice covers state defence procurement procedures, pricing and quality control requirements, protection of classified information, intellectual property, product testing, import and export restrictions, and defence-specific taxation. The firm also advises on contractual relationships with suppliers and customers, criminal law risks and structuring international operations to ensure business continuity.

Gramatskiy & Partners advises businesses, employers and technology companies on legal matters arising from defence-related activities, military registration, mobilisation, employee reservation and cooperation with military units. The practice combines military law compliance with employment, corporate, technology and contractual expertise. The firm conducted a military registration and employee reservation audit for the company and advised on the reservation of employees occupying critical manufacturing positions. The team also advised on the legal structuring of an engineering testing site, addressing land arrangements, access procedures and contractual requirements for technical testing activities. Key practitioners include Denys Bohinich and Borys Karas. Ernest Gramatskiy leads the most strategic state-facing and recovery-sensitive matters.

KAIZEN has developed a dedicated military law practice advising servicemembers, reservists, individuals liable for military service and employers on mobilisation, military registration and related administrative procedures. For corporate clients, the team advises on military registration systems, employee reservation, compliance inspections and procedures for obtaining and maintaining critically important enterprise status. The practice combines preventive regulatory advice with administrative litigation, particularly disputes concerning military registration and mobilisation decisions. Ihor Andrieiev, Managing Partner, heads the practice.

Miller Law Firm has expanded its military and defence-sector practice, advising defence technology businesses, military personnel and employers on criminal-law risks, defence procurement, mobilisation and regulatory compliance. The firm’s work includes criminal defence in proceedings concerning military command decisions, alleged procurement irregularities and the activities of defence manufacturers. Its disclosed experience includes securing the release from custody of a battalion commander investigated over battlefield-related decisions, representing a senior military official in a defence procurement investigation, and defending the head of a Ukrainian UAV manufacturer in criminal proceedings. Masi Nayyem, Founding Partner, contributes military-service experience and expertise in military law and veterans’ rights.

Polina Marchenko Law Office advises servicemen, veterans and civilians on military law and mobilisation-related matters. The practice covers military deferments and exemptions, challenges to decisions of territorial recruitment and social support centres (TCCs), demobilisation procedures, military registration issues, and disputes concerning combat payments, compensation and medical entitlements. The team also represents clients in administrative and civil proceedings involving military authorities. Its work includes cases concerning the recognition of missing servicemen as deceased, state compensation for families of fallen soldiers, posthumous establishment of paternity, unlawful military registration actions, and education-related deferment issues. Polina Marchenko, managing partner, leads the practice, focusing on complex disputes arising from wartime regulation and the protection of individual rights.

Uniminds advises defence industry companies, businesses, military personnel, veterans and their families on legal matters arising from military operations and martial law. The firm’s expertise covers defence procurement, contracts with state customers, regulatory compliance, critical enterprise status and employee reservations from mobilisation. The team also assists servicemen and their families with injury compensation and missing personnel cases. Uniminds supports veteran entrepreneurship through legal assistance and participation in legislative initiatives aimed at improving the regulatory framework for veteran-owned businesses. Maryna Havryliuk, Managing Partner, focuses on business protection, strategic legal risk management and legal support for veteran entrepreneurship.

ZHANNA HRUSHKO’S LAW CENTER represents servicemen and civilians in disputes concerning mobilisation, military service, discharge and financial entitlements. Its experience includes successfully challenging unlawful mobilisation, contesting refusals to consider discharge applications and securing the recalculation and payment of financial support during medical treatment.

ACTUM has a substantial military law practice focused on protecting the rights of service members, veterans and their families in disputes involving military service, mobilisation, discharge, social guarantees and statutory payments. Its lawyers challenge administrative decisions by military authorities and pursue claims for unpaid benefits and compensation.

Barristers represents military personnel and individuals associated with Ukraine’s defence sector in criminal and administrative proceedings. The firm’s experience includes defending servicemen and intelligence officers in criminal investigations and protecting their procedural rights during martial law. The team also handles criminal proceedings involving former executives of state-owned defence companies, including allegations concerning the use of funds under international defence-related contracts.

EY Ukraine provides corporate and regulatory advice to defense-related manufacturers, technology businesses and investors, drawing on its broader transactional, tax and compliance capabilities. Its work addresses corporate structuring, investment arrangements, business operations and regulatory issues affecting companies active in Ukraine’s defense sector. The firm’s submission identifies defense technology and industrial manufacturing among the sectors served by its corporate practice, although the individual defense mandates described in the questionnaire are subject to confidentiality restrictions. Borys Lobovyk oversees the practice.

KM Partners advises employers on military registration, mobilisation, employee reservation and obtaining critically important enterprise status. The practice has developed from the firm’s employment-law capabilities and focuses on helping businesses maintain operational continuity under martial law. Recent mandates include preparing applications for critical-enterprise status, advising on changes to employee reservation criteria, supporting companies during reviews of their criticality status and conducting training on military medical examinations and military registration procedures. Alexander Shemiatkin leads the practice.

KPMG Law Ukraine has expanded its defence industry practice to advise manufacturers, technology developers and investors on establishing and operating defence-related businesses in Ukraine. Its services encompass corporate structuring, regulatory compliance, foreign investment, sanctions, export controls, financing and dispute resolution. The practice addresses the legal requirements of cross-border industrial cooperation and investment in defence production, including the establishment of Ukrainian subsidiaries and joint ventures. Yuriy Katser oversees the practice.

LA Law Firm combines defence-sector regulatory advisory with a developed military law practice serving international businesses, manufacturers and public-sector organisations. A central focus is ensuring business continuity under mobilisation rules through military registration compliance, employee reservation and obtaining critically important enterprise status. In the defence industry, the firm advises on regulatory and commercial matters relevant to MilTech companies and defence-sector participants. Lidiia Sanzharovska, Associate Partner, leads military-law advisory.

MK Legal Service advises businesses on military registration, employee reservation and compliance with mobilisation legislation, with a particular focus on maintaining the operations of technology and other strategically important enterprises. Its experience includes supporting companies operating in technology sectors connected with defence and cybersecurity. The practice is closely integrated with the firm’s employment, regulatory and IT/TMT advisory capabilities. Maksym Kurochko, managing partner, is the main point of contact.

NOBLES advises businesses on military-law compliance and the operational implications of Ukraine’s wartime regulatory framework. Its practice focuses on military registration obligations, mobilisation-related employment issues, employee reservation and the legal requirements affecting business continuity. Partners Volodymyr Yakubovskyy and Alexander Weigelt contribute to the practice.

Polikarpov Law Firm has developed sector-specific IP capabilities for defense and military technology businesses, focusing on the protection of inventions, industrial designs, trademarks and technology-related intangible assets. The firm’s defense-related work forms part of its broader patent and design practice, combining Ukrainian filing procedures with international protection strategies and contractual IP structuring. Its reported 2025 activity demonstrates a substantial concentration of industrial design work in defense and drone-related technologies.

Prikhodko & Partners has an established military law practice combining regulatory assistance to businesses with representation of military personnel and their families. A significant part of its corporate work concerns mobilization compliance, military personnel registration, employee reservation procedures and obtaining critical enterprise status. The practice is headed by Dmytro Kalman.

Truman Legal advises businesses operating in the defence and military technology sectors on regulatory compliance, corporate structuring and market entry.

VIDAR Law Firm advises companies and individuals on military and mobilisation legislation, including critical-enterprise status, employee reservation, military registration and compliance with wartime regulatory requirements. The firm also represents individuals in disputes involving recruitment authorities, mobilisation deferments and administrative liability. Its recent experience includes assisting a vehicle importer in obtaining critical-enterprise status and aligning its internal documentation with mobilisation and military registration requirements. The practice also provides legal support to international businesses operating in Ukraine on wartime workforce compliance.

Wolf Theiss is developing its defense-sector capabilities at the intersection of cross-border M&A, export controls, competition regulation and employment law. The team also advises businesses on mobilization-related employment compliance, obtaining critical enterprise status and reserving essential personnel.

Our market research highlights law firms and specialists who, despite not having provided information for this study, remain prominent market players. Information obtained from public sources and recommendations from the professional community emphasize the firm’s market presence.
The firms marked with an asterisk (*) have not submitted information for the current research.

Ukrainian law firm AEQUO* is a visible market player in the defense industry, being noted for its significant corporate mandates, and presence in the defense tech field. According to public sources, the firm advised military tech start-ups with a focus on developing drones on various commercial, regulatory, and IP matters. Partners Michael Lukashenko is visible in the defense sector.

Arzinger* is mentioned with respect to its expertise in related IP and export control matters.

IMPACTA LAW* (until December 2025, the team operated under the INTEGRITES brand) offers multidisciplinary support to the defense sector, with a focus on the regulatory framework of martial law. It advises a wide range of corporate clients on maintaining employee military records, reserving key personnel from conscription, and meeting other legal obligations during martial law.

Vasil Kisil and Partners* was referred for representing the interests of military personnel, and assisting foreign companies entering the Ukrainian defense market.