Since 2000 the firm has expanded through mergers and acquisitions of consulting firms in multiple locations. Some have been folded into the IBI Group brand and others have maintained a distinct identity.
Vancouver office The
Vancouver office expanded through the 2005 merger of
Hancock Bruckner, Eng + Wright;
Lawrence Doyle Architects; and
Young + Wright Architects.
Grey-Noble & Grey-Noble In 2005 the
Newmarket, Ontario-based architectural firm of Grey-Noble & Grey-Noble was acquired.
Thomas Blurock Architects In 2006 the
Costa Mesa,
California-based educational project-focused firm of Thomas Blurock Architects was acquired and incorporated.
Page+Steele In 2008 the Toronto-based firm of
Page+Steele, Architects was acquired and operates as Page+Steele/IBI Group.
Gruzen Samton Architects In 2009 the
New York City based firm of Gruzen Samton Architects, Planners & Interior Designers was acquired. The firm was founded in 1936 as Kelly & Gruzen and operates as
IBI Group.
Group Architects In 2009 the small Toronto-based firm of Group Architects was acquired. IBI relocated and redistributed its team to a new location and the company and presence dissolved entirely through the following years.
BFGC Architects Planners In 2009, BFGC Architects Planners, with offices in
Bakersfield,
San Luis Obispo and
San Jose, California, was acquired.
Nightingale Architects In 2010, Nightingale Architects, with four offices in the United Kingdom, including in
London and
Cardiff, was acquired for £13.1 million.
Dull Olson Weekes Architects In 2010, IBI acquired the
Portland, Oregon-based firm of
Dull Olson Weekes Architects, a regional specialist in the design of educational facilities with offices in Portland and
Seattle,
Washington. It has received multiple awards for its work, including the CEFPI/A4LE James D. MacConnell Award for excellence in design and planning, in 2009 for the
Rosa Parks School and Community Campus at
New Columbia, in 2014 for
Trillium Creek Primary School, and in 2020 as a finalist for
Mary Lyon Elementary School. The firm operates as
IBI Group Architects.
Cardinal Hardy Architectes In 2011, the
Quebec-based firm of Cardinal Hardy merged with Beinhaker Architecte (within the IBI Group), and became known as Cardinal Hardy Beinhaker Architecte. Groupe Cardinal Hardy merged into the IBI Group. Three years later, in late 2014, it was sold to Montreal-based architecture group Lemay.
Carol R. Johnson Associates In 2011 the
Boston based landscape architecture firm Carol R. Johnson Associates was acquired.
Bay Architects In 2011 the
Houston, Texas-based firm of Bay Architects was acquired.
Taylor Young In 2012,
Taylor Young, a United Kingdom-based architectural and master-planning practice headquartered in
Cheshire and with offices in
Liverpool and London, was acquired.
M-E Companies In 2012, M-E Companies, an
Ohio-based engineering firm with offices in
Westerville,
Cincinnati and
Canton was acquired.
Aspyr IBI acquired the British Columbia-based Aspyr Engineering on September 3, 2019.
Cole Engineering Group IBI acquired the Cole Engineering Group on December 1, 2020. ==Major projects==