Multithread effectively and personalize outreach to convert deals faster
Elevate social presence and drive business growth from social media
Identify and prioritize high-intent leads, and improve sales effectiveness
Find and connect with ICP attendees, and improve event outcomes
Anderson Mori & Tomotsune (AMT) is one of Japan's largest and most respected full-service law firms, tracing its origins back to 1952. Formed through key mergers, the firm offers a comprehensive range of legal services to both Japanese and international clients. AMT is known for its expertise in areas such as M&A, finance, litigation, intellectual property, and international trade. With a strong team of Japanese and foreign-licensed lawyers, the firm is dedicated to providing innovative and practical solutions to complex legal challenges, consistently ranking among the top tier of law firms in Japan and Asia.
Serves as the central hub for all major legal practices, firm-wide administration, strategic planning, and client relationship management for domestic and international operations.
State-of-the-art facilities within a modern high-rise building, offering advanced technology and resources to support complex legal work and international collaboration.
The work culture at Anderson Mori & Tomotsune's Tokyo headquarters is highly professional, rigorous, and client-focused, typical of a top-tier international law firm. It emphasizes collaboration among its diverse legal experts, continuous learning, and a commitment to delivering high-quality legal services. While demanding, it also offers opportunities for significant professional growth and involvement in complex, high-stakes cases.
As the primary office of one of Japan's 'Big Four' law firms, the Tokyo headquarters is central to the firm's domestic and international operations. It serves as the main hub for complex legal advisory, major transactions, and dispute resolution, significantly influencing Japan's legal landscape and facilitating international business.
Anderson Mori & Tomotsune supports a wide range of global functions through its strategically located offices and extensive network of correspondent law firms. This includes facilitating cross-border mergers and acquisitions, international finance and capital markets transactions, global dispute resolution and arbitration, intellectual property protection worldwide, and providing counsel on international trade and investment regulations. The firm's integrated team of Japanese and foreign-qualified lawyers ensures seamless service for multinational corporations and investors operating across diverse jurisdictions.
Otemachi Park Building, 1-1-1 Otemachi, Chiyoda-ku
Tokyo
Tokyo
Japan
Address: Nakanoshima Festival Tower West, 2-4, Nakanoshima 3-chome, Kita-ku, Osaka 530-0005, Japan
To serve the legal needs of businesses operating in and around Osaka, supporting regional economic activity and providing local access to the firm's full range of expertise.
Address: Nagoya Midland Square, 4-7-1 Meieki, Nakamura-ku, Nagoya 450-6217, Japan
To cater to the specific legal requirements of industries and businesses in central Japan, facilitating their domestic and international operations.
Address: Beijing Fortune Bldg., Room 809, No. 5, Dong San Huan Bei Lu, Chao Yang Qu, Beijing 100004, China
To provide on-the-ground legal support for Japanese and international clients navigating the Chinese market, and for Chinese companies investing abroad.
Address: Two ICC, Suite 2315, 288 South Shaanxi Road, Xuhui District, Shanghai 200031, China
To support clients in one of China's most dynamic economic zones, facilitating cross-border transactions and local business operations.
Address: Unit 3105, 31/F, AIA Central, 1 Connaught Road Central, Central, Hong Kong
To assist clients with transactions and legal matters involving Hong Kong and the wider Asia-Pacific region, particularly in finance and cross-border investments.
Address: 12 Marina Boulevard, #24-04 Marina Bay Financial Centre Tower 3, Singapore 018982
To support clients' business activities and investments across Southeast Asia, capitalizing on Singapore's role as a regional legal and commercial center.
Address: Unit1, 18th Floor, Saigon Centre Tower 2, 67 Le Loi Street, Ben Nghe Ward, District 1, Ho Chi Minh City, Vietnam
To assist international and local clients in navigating the Vietnamese legal landscape and capitalizing on investment opportunities.
Address: Unit 2002, 20th Floor, Sathorn Square Office Tower, 98 North Sathorn Road, Silom, Bangrak, Bangkok 10500, Thailand
To provide comprehensive legal support for businesses investing and operating in Thailand, a key economy in Southeast Asia.
Address: Hanafiah Ponggawa & Partners (HPRP Lawyers), HPRP Office Tower, 8th Floor, Jl. D.I. Panjaitan Kav. 24, Cipinang Cempedak, Jatinegara, Jakarta Timur 13340, Indonesia
To facilitate clients' legal needs in Indonesia, leveraging local expertise through a strong association with a leading Indonesian law firm.
Address: 40 Basinghall Street, London EC2V 5DE, United Kingdom
To provide a bridge for clients engaged in cross-border transactions and legal matters between Japan and Europe, leveraging London's status as a global financial center.
Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
As of April 2025, Anderson Mori & Tomotsune' leadership includes:
Anderson Mori & Tomotsune has been backed by several prominent investors over the years, including:
No major changes to the core executive (Managing Partner) team have been publicly announced in the last 12 months. Anderson Mori & Tomotsune regularly promotes individuals to Partner and engages in lateral partner hires as part of its ongoing firm development and strategic growth, though these are not typically classified as C-level executive changes in the corporate sense.
Discover the tools Anderson Mori & Tomotsune uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Anderson Mori & Tomotsune primarily utilizes an email format that combines the employee's first name and last name, separated by a period, followed by the @amt-law.com domain. This is a common and professional structure for law firms.
firstname.lastname@amt-law.com
Format
osamu.hirakawa@amt-law.com
Example
90%
Success rate
Anderson Mori & Tomotsune Website • May 16, 2024
Anderson Mori & Tomotsune was honored as 'Japan Law Firm of the Year' at the Chambers Asia Pacific & Greater China Region Awards 2024 ceremony held on May 15, 2024. This prestigious award recognizes the firm's outstanding performance and leadership in the Japanese legal market....more
Anderson Mori & Tomotsune Website • March 22, 2024
Anderson Mori & Tomotsune received two significant awards at the IFLR Asia-Pacific Awards 2024: 'Japan Law Firm of the Year' and 'Most Innovative National Law Firm of the Year (Japan)'. These awards highlight the firm's excellence and innovative approach in the legal field....more
See where a company’s workforce is located, by country or region.
View past and recent funding rounds with amounts and investors.
Understand company revenue estimates and financial scale.
Track active roles and hiring trends to spot growth signals.
Discover what a company offers—products, platforms, and solutions.
Get the company’s official SIC and NAICS classifications.
Analyze visitor volume, engagement, and top traffic sources.
Explore LinkedIn, Twitter, and other active social profiles.
Identify top competitors based on similar business traits.
Explore companies in depth — from the tech they use to recent funding, hiring trends, and buyer signals — all in one powerful view.
Highperformr AI helps you surface the right accounts and enrich your CRM with verified company and contact insights, so your teams can prioritize and engage faster.
Thousands of companies, including Anderson Mori & Tomotsune, are just a search away.