World

Top 82 largest Companies in the REIT—Office industry in the World by Market Cap

This is the list of the largest public listed companies in the REIT—Office industry in the world by market capitalization with links to their reference stock.

World REIT—Office Industry Analysis
World Top Companies World Companies Analysis

Top REIT—Office Companies in the World as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
1 Digital Realty Trust, Inc. $54.21 B United States US Real Estate US REIT—Office
2 Boston Properties, Inc. $12.00 B United States US Real Estate US REIT—Office
3 Alexandria Real Estate Equities, Inc. $8.46 B United States US Real Estate US REIT—Office
4 Nippon Building Fund InCorp $8.24 B Japan Japanese Real Estate Japanese REIT—Office
5 Vornado Realty Trust $6.98 B United States US Real Estate US REIT—Office
6 Gecina SA $6.98 B France French Real Estate French REIT—Office
7 Japan Real Estate Investment Corp $6.07 B Japan Japanese Real Estate Japanese REIT—Office
8 Mirvac Group $5.02 B

(July 1, 2024)

 Australia Australian Real Estate Australian REIT—Office
9 Hudson Pacific Properties, Inc. $4.98 B United States US Real Estate US REIT—Office
10 Kilroy Realty Corporation $4.54 B United States US Real Estate US REIT—Office
11 Cousins Properties Incorporated $4.35 B United States US Real Estate US REIT—Office
12 Keppel DC REIT $4.25 B Singapore Singaporean Real Estate Singaporean REIT—Office
13 Inmobiliaria Colonial, SOCIMI, SA $3.96 B Spain Spanish Real Estate Spanish REIT—Office
14 Societe Fonciere Lyonnaise SA $3.89 B

(July 1, 2025)

 France French Real Estate French REIT—Office
15 ORIX JREIT, Inc. $3.78 B Japan Japanese Real Estate Japanese REIT—Office
16 SL Green Realty Corp. $3.56 B United States US Real Estate US REIT—Office
17 Keppel REIT $3.22 B Singapore Singaporean Real Estate Singaporean REIT—Office
18 Corporate Office Properties Trust $3.13 B United States US Real Estate US REIT—Office
19 Highwoods Properties, Inc. $2.90 B United States US Real Estate US REIT—Office
20 Derwent London plc $2.62 B United Kingdom UK Real Estate UK REIT—Office
21 Great Portland Estates plc $2.54 B

(Feb. 1, 2022)

 United Kingdom UK Real Estate UK REIT—Office
22 Daiwa Office Investment Corp $2.30 B Japan Japanese Real Estate Japanese REIT—Office
23 Douglas Emmett, Inc. $2.25 B United States US Real Estate US REIT—Office
24 Columbia Property Trust, Inc. $2.21 B

(Dec. 1, 2021)

 United States US Real Estate US REIT—Office
25 Global Net Lease, Inc. $1.95 B United States US Real Estate US REIT—Office
26 MORI TRUST Sogo Reit, Inc. $1.81 B Japan Japanese Real Estate Japanese REIT—Office
27 Invesco Office J-REIT, Inc. $1.73 B

(Nov. 1, 2021)

 Japan Japanese Real Estate Japanese REIT—Office
28 Mack-Cali Realty Corporation $1.67 B

(June 1, 2022)

 United States US Real Estate US REIT—Office
29 Hulic Reit, Inc. $1.63 B Japan Japanese Real Estate Japanese REIT—Office
30 Paramount Group, Inc. $1.57 B

(Dec. 1, 2025)

 United States US Real Estate US REIT—Office

Top REIT—Office Companies in the World as of Jan. 01, 2026

1. Digital Realty Trust, Inc.

Company Profile: Digital Realty Trust, Inc.
Market Cap (USD): $54.21 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

2. Boston Properties, Inc.

Company Profile: Boston Properties, Inc.
Market Cap (USD): $12.00 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

3. Alexandria Real Estate Equities, Inc.

Company Profile: Alexandria Real Estate Equities, Inc.
Market Cap (USD): $8.46 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

4. Nippon Building Fund InCorp

Company Profile: Nippon Building Fund InCorp
Market Cap (USD): $8.24 B
Country: Japan
Sector: Japanese Real Estate
Industry: Japanese REIT—Office

5. Vornado Realty Trust

Company Profile: Vornado Realty Trust
Market Cap (USD): $6.98 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

6. Gecina SA

Company Profile: Gecina SA
Market Cap (USD): $6.98 B
Country: France
Sector: French Real Estate
Industry: French REIT—Office

7. Japan Real Estate Investment Corp

Company Profile: Japan Real Estate Investment Corp
Market Cap (USD): $6.07 B
Country: Japan
Sector: Japanese Real Estate
Industry: Japanese REIT—Office

8. Mirvac Group

Company Profile: Mirvac Group
Market Cap (USD): $5.02 B (July 1, 2024)
Country: Australia
Sector: Australian Real Estate
Industry: Australian REIT—Office

9. Hudson Pacific Properties, Inc.

Company Profile: Hudson Pacific Properties, Inc.
Market Cap (USD): $4.98 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

10. Kilroy Realty Corporation

Company Profile: Kilroy Realty Corporation
Market Cap (USD): $4.54 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

11. Cousins Properties Incorporated

Company Profile: Cousins Properties Incorporated
Market Cap (USD): $4.35 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

12. Keppel DC REIT

Company Profile: Keppel DC REIT
Market Cap (USD): $4.25 B
Country: Singapore
Sector: Singaporean Real Estate
Industry: Singaporean REIT—Office

13. Inmobiliaria Colonial, SOCIMI, SA

Company Profile: Inmobiliaria Colonial, SOCIMI, SA
Market Cap (USD): $3.96 B
Country: Spain
Sector: Spanish Real Estate
Industry: Spanish REIT—Office

14. Societe Fonciere Lyonnaise SA

Company Profile: Societe Fonciere Lyonnaise SA
Market Cap (USD): $3.89 B (July 1, 2025)
Country: France
Sector: French Real Estate
Industry: French REIT—Office

15. ORIX JREIT, Inc.

Company Profile: ORIX JREIT, Inc.
Market Cap (USD): $3.78 B
Country: Japan
Sector: Japanese Real Estate
Industry: Japanese REIT—Office

16. SL Green Realty Corp.

Company Profile: SL Green Realty Corp.
Market Cap (USD): $3.56 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

17. Keppel REIT

Company Profile: Keppel REIT
Market Cap (USD): $3.22 B
Country: Singapore
Sector: Singaporean Real Estate
Industry: Singaporean REIT—Office

18. Corporate Office Properties Trust

Company Profile: Corporate Office Properties Trust
Market Cap (USD): $3.13 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

19. Highwoods Properties, Inc.

Company Profile: Highwoods Properties, Inc.
Market Cap (USD): $2.90 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

20. Derwent London plc

Company Profile: Derwent London plc
Market Cap (USD): $2.62 B
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Office

21. Great Portland Estates plc

Company Profile: Great Portland Estates plc
Market Cap (USD): $2.54 B (Feb. 1, 2022)
Country: United Kingdom
Sector: UK Real Estate
Industry: UK REIT—Office

22. Daiwa Office Investment Corp

Company Profile: Daiwa Office Investment Corp
Market Cap (USD): $2.30 B
Country: Japan
Sector: Japanese Real Estate
Industry: Japanese REIT—Office

23. Douglas Emmett, Inc.

Company Profile: Douglas Emmett, Inc.
Market Cap (USD): $2.25 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

24. Columbia Property Trust, Inc.

Company Profile: Columbia Property Trust, Inc.
Market Cap (USD): $2.21 B (Dec. 1, 2021)
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

25. Global Net Lease, Inc.

Company Profile: Global Net Lease, Inc.
Market Cap (USD): $1.95 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

26. MORI TRUST Sogo Reit, Inc.

Company Profile: MORI TRUST Sogo Reit, Inc.
Market Cap (USD): $1.81 B
Country: Japan
Sector: Japanese Real Estate
Industry: Japanese REIT—Office

27. Invesco Office J-REIT, Inc.

Company Profile: Invesco Office J-REIT, Inc.
Market Cap (USD): $1.73 B (Nov. 1, 2021)
Country: Japan
Sector: Japanese Real Estate
Industry: Japanese REIT—Office

28. Mack-Cali Realty Corporation

Company Profile: Mack-Cali Realty Corporation
Market Cap (USD): $1.67 B (June 1, 2022)
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

29. Hulic Reit, Inc.

Company Profile: Hulic Reit, Inc.
Market Cap (USD): $1.63 B
Country: Japan
Sector: Japanese Real Estate
Industry: Japanese REIT—Office

30. Paramount Group, Inc.

Company Profile: Paramount Group, Inc.
Market Cap (USD): $1.57 B (Dec. 1, 2025)
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

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