Tokyo
Shiroyama Trust Tower, 30th Floor
4-3-1 Toranomon, Minato-Ku
Tokyo 105-6030, Japan

Since opening in 1990, Ashurst's Tokyo office has gone from strength to strength, now practising law through Ashurst Horitsu Jimusho Gaikokuho Kyodo Jigyo.
Our office is formed by Japanese qualified lawyers (bengoshi) and registered foreign lawyers in Japan (Gaikokuho Jimu Bengoshi) as a joint enterprise under Japanese law.
We have built a strong profile to become one of the leading international law firms in Japan and we act for many top Japanese and international corporations, financial institutions and multilateral agencies as well as government and semi-government entities. Our fully integrated team of lawyers has the ability to provide a seamless service and has an exceptional track record supporting clients on their inbound and outbound investments into and from Japan.
Our work, awards & rankings
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News Ashurst surpasses GBP 1b revenue marking nine years of consecutive growth at an average of 8% each year
01 Jul 2025
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News Ashurst advises JAPEX on sale of 15% stake in UKCS Seagull field
25 Mar 2025
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News Ashurst strengthens projects and energy transition offering with new partner hire in Tokyo
20 Jan 2025
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News Ashurst wins Most Innovative Law Firm at FT Innovative Lawyer Awards Asia-Pacific 2024
16 May 2024
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News Ashurst advises Bosch on dissolution of joint venture with DENSO
05 Oct 2023
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News Seventh consecutive year of growth - Ashurst announces FY23 financial results
12 Jul 2023
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News Ashurst advises Sumirin UK on its joint venture with Bywater to develop sustainable buildings in the UK
04 Jul 2023
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News Ashurst advised British tech start-up on patent dispute
20 Jun 2023
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News Ashurst advises Sojitz on investment in Pongo
22 May 2023
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News Ashurst advises on financing for Moray West offshore wind farm
24 Apr 2023
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News Ashurst ranked as Law Firm of the Year by Best Lawyers Australia 2024
20 Apr 2023
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News Ashurst advises IFC JBIC NEXI and commercial funders
28 Mar 2023
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