6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of: September 2022 Commission File Number: 001-36898

COLLIERS INTERNATIONAL GROUP INC. (Translation of registrant's name into English)

1140 Bay Street, Suite 4000 Toronto, Ontario, Canada M5S 2B4 (Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F. Form 20-F [   ]      Form 40-F [ X ]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): [   ]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): [   ]

Indicate by check mark whether by furnishing the information contained in this Form, the Registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:

Yes [  ]                                                    No [X]

If “Yes” is marked, indicate the file number assigned to the Registrant in connection with Rule 12g3-2(b):  N/A

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

EXHIBIT INDEX

EdgarFiling EXHIBIT 99.1

Colliers becomes market leader in Nordics

Acquisition adds dominant player in Sweden and Norway

TORONTO, Sept. 06, 2022 (GLOBE NEWSWIRE) -- Leading diversified professional services and investment management company, Colliers (NASDAQ and TSX: CIGI), announced today that it has agreed to acquire a controlling interest in Pangea Property Partners (“Pangea”), a leading capital markets advisor in Sweden and Norway. Pangea will merge with Colliers’ existing company-owned operations in Sweden, become the new company-owned operation in Norway, and re-brand as Colliers. Pangea’s partners, together with the existing leadership team of Colliers Sweden, will retain a significant equity stake in the combined business under Colliers’ unique partnership model. The terms of the transaction were not disclosed.

Established in 2009, Pangea brings an exceptional leadership team and world-class expertise from their offices in Oslo in Norway and Stockholm in Sweden. The combined Colliers Sweden and Norway operations will have more than 80 professionals and offer a full suite of services for our clients including capital markets advisory, debt advisory, project finance, leasing and sales brokerage, valuations, and project management.

“Building on our top tier operations in Denmark and Finland, this merger adds market leadership in Norway and Sweden and together establishes Colliers as the dominant player in the entire Nordic region,” said Davoud Amel-Azizpour, CEO of Colliers | EMEA. “We are excited about our new partnership and the opportunity to leverage our best in class platform in this important and rapidly growing region.”

“Pangea has grown significantly over many years in the Nordics as well as internationally. The combination of Pangea and Colliers is a perfect match with our strategy and ambition to become the leading property advisor in the Nordics. It is important to us that we partner with an organization that shares our business philosophy and culture,” said Bård Bjølgerud, Founding Partner and CEO of Pangea, who will assume the role of CEO, Nordics, Colliers.

About Colliers

Colliers (NASDAQ, TSX: CIGI) is a leading diversified professional services and investment management company. With operations in 63 countries, our 17,000 enterprising professionals work collaboratively to provide expert real estate and investment advice to clients. For more than 27 years, our experienced leadership with significant inside ownership has delivered compound annual investment returns of 20% for shareholders. With annual revenues of $4.5 billion and $81 billion of assets under management, Colliers maximizes the potential of property and real assets to accelerate the success of our clients, our investors and our people. Learn more at corporate.colliers.com, Twitter @Colliers or LinkedIn.

Colliers Contacts:

Christian Mayer Chief Financial Officer | Global (416) 960-9500

Davoud Amel-Azizpour Chief Executive Officer | EMEA (44) 20 7487 7020