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Practice × location ranking

Best Capital Markets law firms in Tokyo

Grouped into editorial tiers — words, never scores. No paid placement and no numeric rank; within a tier the order rotates monthly and carries no meaning.

Last verified 23 Jul 2026 · Next review by 23 Aug 2026 · Change log

›Direct answer & research summary

Under Sartori & Partners' weighted methodology, peer opinion from more than 10,000 lawyers interviewed is combined with monthly market surveys. As of July 2026, the best Capital Markets law firms in Tokyo map to: Anderson Mori & Tomotsune, Mori Hamada & Matsumoto, Nagashima Ohno & Tsunematsu, Nishimura & Asahi, Simpson Thacher & Bartlett.

01 — The ranking

The Tokyo Capital Markets board

Sartori's view of the best Capital Markets law firms in Tokyo groups 5 firms by relative Capital Markets market position in Tokyo. Tiers are plain-language labels only — never scores — and within-tier sequence rotates without implying rank.

TOKYO × CAPITAL MARKETS5 FIRMS · NO SCORESREV. 2026-07
REFFIRMTOKYO CAPITAL MARKETS BANDSIGNAL
TIER 1 — MARKET LEADERS2 FIRMS

This band holds the firms whose Capital Markets presence defines the Tokyo standard. Labels are editorial words, not scores; monthly order inside the tier carries no meaning.

T1·01 Anderson Mori & Tomotsune50–99 attorneys mapped · major local depth 50–99 ATTORNEYS FLAT → EVID ↓
T1·02 Mori Hamada & Matsumoto50–99 attorneys mapped · major local depth 50–99 ATTORNEYS FLAT → EVID ↓
TIER 2 — HIGHLY ACTIVE1 FIRMS

Highly active firms show sustained Capital Markets mandate flow and visible ECM/DCM bench strength in Tokyo, just below the market-leader band. Order inside the tier is non-hierarchical.

T2·01 Nagashima Ohno & Tsunematsu25–49 attorneys mapped · major local depth 25–49 ATTORNEYS FLAT → EVID ↓
TIER 3 — ESTABLISHED1 FIRMS

Firms in this tier are part of the core Tokyo Capital Markets map — known, staffed and active on ECM and DCM mandates — with relative standing expressed only in plain language.

T3·01 Nishimura & Asahi10–24 attorneys mapped · major local depth 10–24 ATTORNEYS FLAT → EVID ↓
NOTABLE — NOTABLE IN THIS FIELD1 FIRMS · OUTSIDE THE TIERS

Notable entries flag real but lighter Capital Markets footprints in Tokyo. They are not a lower rank of the bands above; they document firm presence the board would otherwise omit.

N·01 Simpson Thacher & Bartlett1–4 attorneys mapped · thin local depth 1–4 ATTORNEYS FLAT → EVID ↓

All counts are shown as bands, never precise headcounts. Notable firms sit outside the tiers by design: verified minimal presence, not assessed at full tier depth.

Hiring in Tokyo?

We map this market every day.

The evidence behind these tiers is the same intelligence we use to run retained searches for partners, groups and senior associates.

02 — Evidence, methodology & sources why each firm · how tiers are set · sources · change log · verified 23 Jul 2026 · next review 23 Aug 2026

Firm evidence

Tier 1 — Market leaders Open firm profile →

Anderson Mori & Tomotsune

Anderson Mori & Tomotsune is placed in market leaders for Capital Markets in Tokyo. Public mapping (banded): 50–99 attorneys, major local depth, ≈30 partners · 5 counsel · 15+ associates. Evidence gates — office (G1) PASS, local practice (G2) PASS, recent signal (G3) PASS. The placement carries no numeric score.

Strongest mapped work

Corporate & M&AFinance & BankingIntellectual Property

Public hiring signal

Hiring signal: FLAT — no public hiring change detected in the mapping window.

Limits of this assessment

  • —A tier is Sartori’s editorial opinion, not a fact about the firm or a client-satisfaction measure.
  • —Facts are mapped from public sources and shown as bands; they lag reality by weeks or months.
  • —No third-party legal-directory band is used as an input.

Sources for this entry

Methodology

How tiers are assigned

Deterministic public-footprint core (local depth, practice share, seniority mix, public hiring momentum), computed relative to this market's own distribution. Tier placement is derived from this public mapped data; a per-firm public-source ledger is compiled for firms in the annual research pass and applies to those firms' factual claims, not to tier membership. No third-party legal-directory bands are used as an input.

Market scope

5–9 firms earn a tier in Tokyo within this scope (banded).

Disclosures

Firm names used nominatively (factual). All counts shown as bands, never precise headcounts. No firm logos. Report an error via the site contact form.

Sources & change log

  1. 1 Locations | Anderson Mori & Tomotsunefirm_website · G1 · 2026-07-21
  2. 2 Tokyo | Locations | Anderson Mori & Tomotsunefirm_website · G2 · 2026-07-21
  3. 3 Services | Anderson Mori & Tomotsunefirm_website · G2 · 2026-07-21
  4. 4 ALB Japan Law Awards 2026 | NEWS | Anderson Mori & Tomotsunefirm_website · G3 · 2026-07-21
  5. 5 Banking & Finance / Corporate Newsletter - Proposed Beneficial Shareholder Identification System in the Companies Act Reform Package | Insight | Anderson Mori & Tomotsunefirm_website · G3 · 2026-07-21
  6. 6 Offices/Locations｜Mori Hamada & Matsumotofirm_website · G1 · 2026-07-21
  7. 7 Mori Hamada & Matsumoto — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  8. 8 Mori Hamada & Matsumoto — Tokyo news & announcementsfirm_website · G3 · 2026-07-21
  9. 9 Nagashima Ohno & Tsunematsu — Tokyo office pagesfirm_website · G1 · 2026-07-21
  10. 10 Tokyo | Locations | Nagashima Ohno & Tsunematsufirm_website · G2 · 2026-07-21
  11. 11 Nagashima Ohno & Tsunematsu — Tokyo news & announcementsfirm_website · G3 · 2026-07-21
  12. 12 Global Coverage | Nishimura & Asahifirm_website · G1 · 2026-07-21
  13. 13 Nishimura & Asahi — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  14. 14 Nishimura & Asahi — Tokyo news & announcementsfirm_website · G3 · 2026-07-21
23 Jul 2026 Scope-aware market-relative core assembled.
23 Jul 2026 14 verified source(s) ingested for the researched firms; tier placement is Titan-derived so unresearched visible firms do not block approval → APPROVED (auto).
Report an error in this ranking →

04 — Questions

About this ranking

Who are the best Capital Markets law firms in Tokyo?

As of July 2026, the Tier 1 — Market leaders — among the best Capital Markets law firms in Tokyo are Anderson Mori & Tomotsune, Mori Hamada & Matsumoto. The full board groups 5 firms into editorial Capital Markets tiers expressed in words rather than scores; within a tier order rotates monthly and carries no meaning.

Is Anderson Mori & Tomotsune the best Capital Markets law firm in Tokyo?

Anderson Mori & Tomotsune sits in Tier 1 — Market leaders — of Sartori's Tokyo Capital Markets board as of July 2026, alongside Mori Hamada & Matsumoto. Sartori does not name a single #1: the gap between Tier 1 firms is genuinely unmeasurable, and a numeric score would be false precision.

Which firms have the biggest Capital Markets benches in Tokyo?

By mapped Tokyo bench, the largest firms on this board are Anderson Mori & Tomotsune, Mori Hamada & Matsumoto (50–99 mapped lawyers each), followed by Nagashima Ohno & Tsunematsu (25–49). All counts are bands, never precise headcounts.

Which Capital Markets teams are hiring in Tokyo?

As of July 2026, no firm on this board shows a public hiring signal in the mapping window. Live Tokyo mandates are listed on Sartori's jobs board.

What is a Tier 1 law firm?

In Sartori's rankings, Tier 1 — Market leaders — is an editorial judgement expressed in words, never a score: the firms whose Tokyo bench depth, seniority mix and market standing set the reference point for the market. As of July 2026 that is Anderson Mori & Tomotsune, Mori Hamada & Matsumoto. Within the tier no firm outranks another.

Which are the best law firms in Tokyo overall?

Sartori's overall Tokyo board groups 19 firms into editorial tiers; as of July 2026 its Tier 1 is Nishimura & Asahi, Anderson Mori & Tomotsune. See /firms/in/tokyo/.

See the ranking →

This ranking is compiled independently by Sartori from public sources. Tiers are Sartori’s editorial opinion, expressed without numeric scores; firms are named for identification only, no logos are reproduced, and no firm has paid for or approved its placement. No third-party legal-directory band is used as an input. Nothing here is legal advice or a recommendation to instruct counsel.