MONOLITH LAW OFFICE

What MONOLITH LAW OFFICE does

Monolith Law Office is a Tokyo-based Japanese law firm founded in 2017 by Kawase Toki, a former IT engineer, and headquartered in Otemachi. The firm differentiates itself through a hybrid headcount of 30 lawyers and 16 IT consultants, an unusually engineer-heavy structure for a Japanese law firm, supporting clients across IT, internet, generative AI, fintech, and medical/healthcare law. It operates a content platform, MONOLITH LAW MAGAZINE, with 1,506 published articles, which functions as the firm's primary marketing and client-acquisition channel.

The firm serves roughly 1,127 corporate advisory clients (顧問先), including 11 Tokyo Stock Exchange Prime-listed companies, alongside a broader base of 1,906 IT-domain clients that range from seed-stage startups to mature corporates. Service lines span corporate governance, M&A, financing, regulatory compliance, intellectual property, data privacy (including GDPR), and dispute resolution, with the cross-border practice expanded via partnerships with Swiss firm Araucaria and Polish firm GP Partners, and membership in the Eurojuris International network.

Monolith Law Office generates revenue through three pricing tiers: a monthly retainer model starting at 55,000 JPY per client per month, time-charge billing from 38,500 JPY per hour, and statutory-audit (監査役) engagements starting at 150,000 JPY per month. The firm does not disclose revenue or funding and operates without external investment, growing organically over roughly eight years to a total headcount of approximately 131 professionals and staff.

Name

MONOLITH LAW OFFICE

Legal name

弁護士法人モノリス法律事務所

Website

https://monolith.law

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

11–50 employees

Short description

Monolith Law Office is a Tokyo-based Japanese law firm, founded in 2017, that combines 30 lawyers with 16 IT consultants to advise startups and corporates on IT, internet, AI, and cross-border legal matters, serving 1,127 advisory clients including 11 TSE Prime-listed companies.

Ownership category

akta.pro rank

Product category

Legal Services

NAICS

Offices of Lawyers (541110)

SIC

Services-Legal Services (8111)

akta.pro industry

PRIMARYBPAHALAI

Due Diligence & Investigative Research

Business & Public Services/Professional Services (Legal, Accounting, Consulting)/Research, Analytics & Expert Services

SECONDARYBPAHALAG

Litigation Support & Expert Witness Services

Business & Public Services/Professional Services (Legal, Accounting, Consulting)/Research, Analytics & Expert Services

Keywords

• Corporate legal services
• IT law advisory
• IPO support services
• Contract drafting review
• Cross-border legal

Headquarters

HQ city

Tokyo (Chiyoda-ku, Otemachi)

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Legal Services - Time Charge / Retainer: The firm charges clients primarily via time-charge billing (billed per hour of lawyer work) and monthly retainer contracts. For non-client companies: 1 hour at 38,500 JPY. For retainer clients: monthly flat fee covering a set number of hours of legal consultation and contract drafting/review. Litigation and dispute matters are billed under the (former) Japan Federation of Bar Associations fee standard.
2. Supervisory / Audit Services: The firm serves as corporate audit committee member (監査役) or Chief Legal Officer (最高法務責任者) for client companies, billed at a monthly retainer of 150,000 JPY or more.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

MONOLITH LAW OFFICE is a Tokyo-based corporate/commercial law firm that provides IT-specialized legal services to companies ranging from TSE Prime-listed enterprises to seed-stage ventures. The firm combines 30 lawyers with 16 in-house IT consultants to deliver hybrid legal + technical services including contract drafting/review, IPO support, system development legal matters, cross-border legal services (GDPR, NASDAQ listing), reputation management, and YouTuber/VTuber legal support. With 1,127 corporate advisory clients and 1,506 published legal/IT articles, the firm operates on monthly retainer (from 55,000 JPY/month), time-charge billing (from 38,500 JPY/hour), and audit/supervisory retainer (from 150,000 JPY/month) structures.

Product overview

MONOLITH LAW OFFICEは、IT・インターネット・ビジネスに強い企業法務系律师事务所。法律家とITコンサルタントで構成された企業ITのスペシャリスト集団として、5つのコアサービスを展開：(1)IT・ベンチャーの企業法務、(2)各種企業のIT・知財法務、(3)クロスボーダー国際法務、(4)風評被害対策、(5)YouTuber・VTuber法務。これらのコアサービスのもと、利用規約作成・整備、システム開発関連法務、IPO支援、法令改正監視顧問、暗号資産・ブロックチェーン法務、医事法関連サービスなどの専門サービスモジュールを提供する。代表弁護士が元ITエンジニア・企業経営者の経歴を持ち、弁護士30名・ITコンサル16名・スタッフ85名が所属。1127社の顧問先等、1906社のクライアントを有する。タイムチャージ型報酬体系（1時間3.85万円～）を採用し、Googleスプレッドシートによる稼働時間共有と月次報告書による透明な料金管理を実施。webメディアMONOLITH LAW MAGAZINEで1506件の法律・IT記事を公開。

Differentiator

Problem solved

Functional benefit

Named customers4 records

Segments3 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Three partnerships are on record, tiered minor.

• Araucaria (Swiss Law Firm)minorStrategic or Co-development Partner · 25 June 2026Monolith Law Office partnered with Araucaria, a Swiss law firm serving as a hub for European business operations. The firms co-launched a jointly operated website (araucaria-monolith.com) focused on European business legal support, enabling Monolith to offer comprehensive cross-border legal services for Japanese companies expanding into Europe.
• GP Partners (Maciej Gawroński, EU GDPR Authority)minorStrategic or Co-development Partner · 26 May 2026The firm entered a business partnership with GP Partners, led by Maciej Gawroński, an EU GDPR authority, to strengthen its support for companies expanding into Europe requiring GDPR compliance. This partnership enhances Monolith's European data protection advisory capabilities as part of its cross-border legal service offering.
• Eurojuris InternationalminorOthersMonolith Law Office is a member of Eurojuris International, a leading global network of international law firms, providing access to legal expertise and referral networks across multiple jurisdictions worldwide.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Mori Hamada & Matsumoto: One of Japan's largest full-service law firms with a deep technology, IP, and data-protection practice. Comparable as a top-tier Japanese legal services provider competing for the same enterprise IT-law mandates, but with broader practice coverage and global offices.
• TMI Associates: Major Japanese full-service firm known for technology, IP, and entertainment/media practices. Comparable on IT/digital advisory, brand protection, and reputation management work.
• Nishimura & Asahi: Largest Japanese law firm by headcount, with significant technology, cross-border, and capital-markets practices. Competes for the same TSE Prime and large-cap IT clients on cross-border M&A, IPO, and regulatory work.
• Anderson Mori & Tomotsune: Large Japanese law firm with strong technology, cross-border, and corporate practices. Competes with Monolith for IT-company advisory, IPO, and cross-border mandates.

Emerging players

• Bengo4.com (弁護士ドットコム): Japan's leading legal portal and cloud-signature provider. Indirect competitor via consumer/SME legal marketplace and a potential channel for IT-law client acquisition.
• LegalForce: Japanese legal-tech company offering AI-powered contract review and management tools. Adjacent competitor on the contract drafting/review module that is a meaningful share of Monolith's billable hours.

Direct peers

• Uryu & Itoga: Tokyo-based law firm focused on IT, internet, and startup legal services in Japan. Most directly comparable peer in terms of IT-venture specialization and corporate advisory model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCgjbnSnsB7HR3MLN3M_6QYw
• LinkedInlinkedin.com/company/monolith-law-office

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 MONOLITH LAW OFFICE