Lee & Ko

Name

Lee & Ko

Legal name

Lee & Ko

Website

https://leeko.com

Company type

Private

Founded year

1977

Operating status

Operating

Headcount range

501–1,000 employees

Ownership category

akta.pro rank

Product category

Legal Services

NAICS

Legal Services (5411), Offices of Lawyers (54111)

SIC

Services-Legal Services (8111)

akta.pro primary industry

Mergers & Acquisitions (M&A) & Securities Law (BPAHAAAI)

Keywords

• Legal advisory services
• Corporate law firm
• Litigation services
• Financial compliance law
• Mergers and acquisitions

Headquarters

HQ city

Seoul

HQ country

South Korea

HQ region

Asia

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure, Others

Core offering

Lee & Ko is a full-service South Korean law firm providing legal advisory and representation across corporate law, litigation, M&A, financial compliance, construction disputes, and cyber incident response. The firm serves Korean and international businesses, financial institutions, and other organizations with both transactional and contentious legal mandates.

Product overview

Lee & Ko is a major South Korean full-service law firm offering comprehensive legal services. The firm's portfolio includes financial compliance advisory (sanctions, licensing, AML, banking, insurance), cyber incident response and information security consulting (in partnership with Palo Alto Networks), and construction dispute services (in partnership with Turner & Townsend Korea). Lee & Ko also provides M&A advisory services with full-process responsibility including management disputes, litigation, and regulatory response. The firm recently expanded its compliance practice with the addition of a former Financial Services Commission official.

Differentiator

Problem solved

Functional benefit

Products and services

• Legal Services (General Practice) Full-service law firm providing legal advisory and representation across corporate law, litigation, M&A, and regulatory compliance for Korean and international businesses and financial institutions.
• Financial Compliance Advisory Legal advisory covering sanctions, licensing, AML, banking, insurance, and capital markets investigations for Korean financial institutions, insurers, asset managers, and fintech companies.
• Cyber Incident Response and Information Security Consulting Integrated legal and technical advisory for Korea-specific cyber incident response, including threat trend information sharing and comprehensive incident management, for enterprises facing cyber and information security exposure.
• Construction Claims and Dispute Resolution Services Integrated legal and engineering advisory for construction claims, arbitration, and dispute resolution, supported by joint seminars and professional training, for construction firms, EPC contractors, and infrastructure project participants.
• M&A Advisory Services Full-process M&A advisory including deal execution, management disputes, litigation, and regulatory response, for Korean corporates, multinational subsidiaries, financial sponsors, and family-owned enterprises.

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered core and minor.

• Palo Alto NetworkscoreTechnology or Integration · 24 April 2026Lee & Ko is partnering with Palo Alto Networks through a memorandum of understanding to enhance Korea-specific cyber incident response and information security consulting. The collaboration aims to integrate legal advice with technical support, sharing threat trend information and providing comprehensive incident management services.
• Turner & Townsend KoreaminorImplementation/ SI/ Consulting Partner · 23 February 2026Turner & Townsend Korea announced a partnership with law firm Lee & Ko to enhance legal and engineering services for construction disputes. The collaboration will focus on construction claims, arbitration, and dispute resolution, including joint seminars and professional training.

Recent moves3 records

Expansion highlights4 records

Direct peers

• Kim & Chang: Kim & Chang is the largest and most prominent Korean full-service law firm. Directly comparable to Lee & Ko in scale (similar headcount), practice breadth (M&A, litigation, regulatory, finance), and premier positioning among Korean clients and chaebols.
• Shin & Kim: Shin & Kim is a top-tier Korean full-service law firm with comparable headcount and similar practice areas including corporate, M&A, finance, litigation, and regulatory. Headquartered in Seoul with deep chaebol and financial-institution client bases.
• Yoon & Yang: Yoon & Yang is a leading Korean full-service law firm with comparable practice breadth across M&A, corporate, finance, and dispute resolution. Direct competitor for premium Korean corporate mandates.
• Yulchon LLC: Yulchon is a major Korean full-service law firm with similar size and offering across M&A, finance, regulatory, and dispute resolution. Competes directly with Lee & Ko for top Korean corporate and financial-institution clients.
• Bae, Kim & Lee LLC: Bae, Kim & Lee is a long-established Korean full-service firm comparable to Lee & Ko in vintage, scale, and practice breadth. Direct competitor in M&A, finance, IP, and litigation mandates for Korean corporates.
• Lee & Lee (formerly Lee International): Lee & Lee is a major Korean law firm with comparable full-service offerings, especially strong in IP and corporate work. A direct peer in the Seoul legal market competing for similar client mandates.
• HwaHyun LLC: HwaHyun is a Korean full-service law firm with comparable practice areas including corporate, finance, M&A, and litigation. Direct peer competing in the Seoul mid-to-upper tier legal market.

Broad incumbents

• Clifford Chance: Clifford Chance is a global Magic Circle law firm with a strong Seoul office competing for cross-border M&A, capital markets, and disputes work touching Korea. Overlaps with Lee & Ko on inbound/outbound Korean deals but operates a far broader global footprint.
• Allen & Overy / A&O Shearman: Allen & Overy (now A&O Shearman post-merger) is a major international law firm with active Korea practice in M&A, finance, and disputes. Competes with Lee & Ko for cross-border mandates involving Korean clients.
• Linklaters: Linklaters is a Magic Circle international firm with significant Korea-related practice, especially in M&A, capital markets, and banking. Comparable to Lee & Ko for cross-border Korean work, though Linklaters' global scale exceeds Lee & Ko's domestic focus.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Lee & Ko