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Nagashima Ohno & Tsunematsu

HQ - Tokyo

Summary

Nagashima Ohno & Tsunematsu is one of the "Big Four" law firms in Japan. It was founded in 2000 upon the merger of Nagashima & Ohno with Tsunematsu Yanase & Sekine.

Market Context

Deals Overview

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Total Deals49

Valued Deals37

Total Value£ 147.01 B

Avg. Deal Size£ 3.97 B

06 Feb 2026|Japan|Medical Supplies

Target: KAINOS LABORATORIES INC

Bidder: DENKA COMPANY LIMITED

8 Service Providers

5 Target | 2 Bidder | 1 Vendor

2 Dealmakers

1 Target | 1 Bidder

£ 37 M

Value

17 Nov 2025|United States|Asset Managers and Custodians

Target: BARINGS LLC

Bidder: MS&AD INSURANCE GROUP HOLDINGS INC

8 Service Providers

1 Target | 4 Bidder | 3 Vendor

45 Dealmakers

1 Target | 22 Bidder | 22 Vendor

£ 1.09 B

Value

28 Oct 2025|Japan|Specialty Chemicals

Target: TANAKA CHEMICAL CORPORATION

Bidder: SUMITOMO CHEMICAL CO LTD

6 Service Providers

3 Target | 3 Bidder

7 Dealmakers

5 Target | 2 Bidder

£ 34 M

Value

03 Jul 2025|Japan|Food Products

Target: AOHATA CORPORATION

Bidder: KEWPIE CORPORATION

6 Service Providers

3 Target | 3 Bidder

6 Dealmakers

4 Target | 2 Bidder

£ 71 M

Value

26 Jun 2025|Japan|Electronic Components and Equipment

Target: PIONEER CORPORATION

Bidder: CARUX

10 Service Providers

1 Target | 2 Bidder | 7 Vendor

54 Dealmakers

2 Target | 18 Bidder | 35 Vendor

£ 806 M

Value

09 Jun 2025|Japan|Education Services

Target: WITH US CORPORATION

Bidder: NIPPON SANGYO SUISHIN KIKO (NSSK)

10 Service Providers

4 Target | 5 Bidder | 1 Vendor

10 Dealmakers

4 Target | 4 Bidder | 2 Vendor

£ 136 M

Value

14 May 2025|Japan|Construction Services

Target: NIPPON ROAD

Bidder: SHIMIZU CORPORATION

6 Service Providers

2 Target | 4 Bidder

2 Dealmakers

2 Bidder

n/a

Value

08 May 2025|Japan|Information / Data Services

Target: NTT DATA CORP

Bidder: NTT INC (FORMERLY NIPPON TELEGRAPH AND TELEPHONE CORPORATION)

7 Service Providers

4 Target | 3 Bidder

14 Dealmakers

10 Target | 5 Bidder

£ 12.39 B

Value

06 Feb 2025|Japan|Management Consulting

Target: INTEGRATED DESIGN & ENGINEERING

Bidder: TOKIO MARINE HOLDINGS INC

8 Service Providers

5 Target | 3 Bidder

2 Dealmakers

1 Target | 1 Bidder

£ 500 M

Value

16 Apr 2024|United States|Trucking

Target: SUPREME AUTO TRANSPORT

Bidder: NIKKON HOLDINGS

5 Service Providers

3 Target | 2 Bidder

2 Dealmakers

1 Target | 1 Bidder

n/a

Value

05 Apr 2024|Japan|Software

Target: JASTEC

Bidder: NTT DATA CORP

9 Service Providers

6 Target | 3 Bidder

2 Dealmakers

1 Target | 1 Bidder

£ 172 M

Value

15 Feb 2024|Australia|Software

Target: ALTIUM LTD

Bidder: RENESAS ELECTRONICS CORPORATION

11 Service Providers

5 Target | 6 Bidder

23 Dealmakers

8 Target | 15 Bidder

£ 4.53 B

Value

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