Authense Professional Group Takes a Major Leap: Exciting Updates on saku-RA Judicial Scrivener Corporation Collaboration
Authense Professional Group Overview
Number of staff: 303
- Lawyers: 70 (including 2 seconded from government ministries)
- Certified public accountants and tax accountants: 3 people
- Patent attorneys: 8
- Judicial scriveners: 2
- Social insurance and labor consultants: 3
- Administrative Scrivener Examination Passers: 4
- Staff: 213
Background to Group Formation and Future Prospects
Authense Professional Group was established mainly by law firms, certified public insurance labor consultant corporations, and consulting companies. In 2023, a certified public tax accounting firm and a patent attorney corporation joined. By working together as a group, we have strived to provide services that help companies and managers solve problems from a broader perspective, not just one aspect of the challenges they face.
Now, with the addition of saku-RA Judicial Scrivener Firm (Authense Judicial Scrivener Firm), we are able to provide even more comprehensive support in real estate registration, company and corporate registration, inheritance procedures, and more.
We will continue to make further efforts to become the one and only comprehensive consulting group that goes beyond just the legal perspective and does its utmost to provide comprehensive solutions.
Authense Judicial Scrivener Corporation Overview

Authense Judicial Scrivener Corporation continues to provide customers with a sense of security from consistent staff and knowledge that transcends the boundaries of fields. saku-RA Judicial Scrivener Office was opened in 2022 and incorporated as saku-RA Judicial Scrivener Corporation the following year in 2023.
We provide high-quality services based on our extensive experience in the full range of legal affairs of judicial scriveners, including corporate law, commercial registration, inheritance procedures, real estate-related work, etc. Our representative, Ayako Sakuhara, is particularly knowledgeable in the field of commercial registration, and has also supervised and written numerous books.
We have recently restructured to become Authense Judicial Scrivener Corporation and joined the Authense Professional Group. In cooperation with group corporations such as law firms, certified public accountants, tax accountants, patent attorneys, and consulting companies, we will provide new services that go beyond the traditional services of judicial scriveners.
Authense Judicial Scrivener Corporation Overview
- Name of the corporation: Authense Judicial Scrivener Corporation (Tokyo Judicial Scrivener Association)
- Representative judicial scrivener: Ayako Sakuhara
- Establishment: January 6, 2023
- Location: Main store 22nd floor, Midtown Tower, 7-1 Akasaka 9-chome, Minato-ku, Tokyo 107-6222
- Shimokitazawa Branch 〒155-0031 Tokyo, Setagaya-ku, Kitazawa 2-11-15 Mikan Shimokita A Block 4F
- Number of staff: 2
- TEL: 03-6161-0088 (representative)
- MAIL: info@authense-js.jp (representative)
- Homepage:
About Authense Law Firm
Based on the philosophy of ”providing the best possible service to all clients,” we are a comprehensive law firm that provides a wide range of professional services. Since our founding in 2005, our 258 members, including lawyers, paralegals, and corporate staff, have continued to provide services that exceed the expectations of our clients, ranging from corporate legal affairs for listed companies, leading ventures, and start-ups, to personal legal affairs such as divorce and inheritance, and criminal cases.
It is also known as the law firm that operated Japan’s largest legal consultation portal site and incubated Bengo4.com Inc., the creator of CloudSign, after its founder, Taichiro Motoei, founded the company, until it was listed on the Tokyo Stock Exchange Mothers market. In collaboration with Authense Group companies, such as tax accountant firms, patent accountant firms, social insurance labor accountant firms, and consulting companies, we will continue to create new services that go beyond traditional legal services.
Authense Law Firm Overview
- Name of company: Authense Law Office (Tokyo Bar Association)
- Lead Attorney: Taichiro Motoei
- Established: January 15, 2005
- Address: 22nd Floor, Midtown Tower, 7-1 Akasaka 9-chome, Minato-ku, Tokyo 107-6222
- Number of staff: 258
- TEL: 03-4590-9000 (representative)
- FAX: 03-6804-3820 (representative)
- Offices: Roppongi, Tokyo, Shinjuku, Kita-Senju, Yokohama, Chiba, Osaka
- Homepage: https://www.authense.jp/
