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Exhibit 21

Subsidiaries of the Registrant

 

The following are subsidiaries of the Registrant as of December 31, 2021 and the jurisdiction in which each is organized. Each of the subsidiaries generally conducts its business using names indicated. Certain subsidiaries are not listed; these omitted subsidiaries individually and in the aggregate do not constitute a significant subsidiary.

						State or Country of Organization
Subsidiaries of Hill International, Inc.
Hill International (Puerto Rico), Inc.						Delaware
Hill International N.V. *						Netherlands
Hill International Development Ltd.						British Virgin Islands
Hill International Real Estate, LLC						Pennsylvania
TCM Group, Inc.						California
Hill International (New England) Inc.						Massachusetts
Hill International Engineering Consultancy, LLC						Oman
Hill International (Canada), Inc.						Canada
Hill International S.A.S.						Colombia
Hill International Nominee Inc.						Marshall Islands
Hill International Holdings Ltd.						Malta
Hill International Technical Services, Inc.						New York
Subsidiaries of Hill International N.V.
SIA Hill International (Baltic)						Latvia
Hill International (UK) Ltd.*						England
Hill International (Hellas) S.A.						Greece
Hill International (Middle East) Ltd.*						British Virgin Islands
Hill Construction Management Ltd.						Serbia
Hill International (Libya) Ltd.						Malta
Hill International (North Africa) Ltd.						Egypt
Hill Facilities Management Ltd. (Egypt)						Egypt
Asia/Pacific Hill International Holding PTE Ltd. *						Singapore
Hill International (Spain), S.A.*						Spain
Binnington Copeland & Associates (Pty.) Ltd.						South Africa
BCA Training (Pty.) Ltd.						South Africa
Hill International Proje Yonetimi ve Danismanlik A.S.						Turkey
Hill International Construction Consultancy (Cyprus) Limited Consultancy, LLC						Cyprus
Hill International Constructing Consultancy Pakistan (Private) Limited						Pakistan
Hill Construction Consultancy Dooel Skopje						Macedonia
Hill International (Azerbaijan) Limited						Azerbaijan
Hill International (Colombia) SAS						Colombia
Hill International (Switzerland) SA						Switzerland
Hill International BH do.o						Bosnia
Hill International Facility Services B.V.						Netherlands
Hill International Limited						England
Hill International Project Management (India) Private Limited *						India
Hill International						Morocco
Hill International Sp. Zo.o						Poland
Hill International Tunisia LLC						Tunisia
Beijing Hill Construction Consulting Co. Ltd						China
Hill International (Hong Kong) Ltd						Hong Kong
Hill International (Germany) GmbH						Germany
Hill International (Bucharest) SRL						Romania
Subsidiaries of Hill International (UK) Ltd.
Knowles Limited						England
Subsidiaries of Hill International (Spain), S.A.
Hill International de Mexico, S.A. de C.V.						Mexico

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Subsidiaries of Asia/Pacific Hill Holdings PTE Ltd.
Hill International Vietnam Co. Limited						Vietnam
Subsidiaries of Hill International Project Management (India) Private Limited (UK) Ltd.
Hill International Cost Consultancy (India) Private Limited						India
Subsidiaries of Hill International (Middle East) Ltd
Hill International (Middle East) Ltd./Jordan LLC						Jordan
Hill Construction Consultancy d.o.o. Sarajevo						Bosnia/Herzegovina

*Parent corporation of additional subsidiaries