Tag is HH's #1 competitor. Tag was founded in New York, New York} in 1972. Like HH, Tag also competes in the Professional Services industry. Compared to HH, Tag generates $1.6B less revenue.
HH VS ITG
ITG is one of HH's top competitors. ITG was founded in 2009 in Birmingham, England. Like HH, ITG also operates in the Marketing Services industry. ITG generates $2.2B less revenue than HH.
HH VS CuCo
CuCo is a top competitor of HH. CuCo was founded in 2008, and is headquartered in Bournemouth, England. Like HH, CuCo also competes in the Professional Services field. CuCo generates $2.4B less revenue vs. HH.