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Working At HOK

Zippia Score 3.9

HOK overview

HOK, formerly Hellmuth, Obata + Kassabaum, is an American worldwide design, architecture, engineering and urban planning firm, founded in 1955. As of 2018, HOK is the largest U.S.-based architecture-engineering firm and the fourth-largest interior design firm.
The staff at HOK come from unusually diverse demographic backgrounds. The company is 34.4% female and 46.1% ethnic minorities. Despite its diversity in other areas, HOK employees are noticeably lacking in political diversity. It has an unusually high proportion of employees who are members of the Democratic Party, at 88.6%. Employees seem to enjoy working in an otherwise diverse workplace that is dominated by members of the Democratic Party. HOK has great employee retention with staff members usually staying with the company for 3.2 years. The average employee at HOK makes $80,934 per year, which is competitive for its industry and location. Some of its highest paying competitors, SmithGroupJJR, HKS, and Gresham Smith & Partners, pay $89,577, $82,417, and $80,198, respectively.
Based in Saint Louis, Missouri, HOK is a key player in the professional industry with 1,839 employees and an annual revenue of $279.1M.

The Organization’s Mission

HOK's mission is to deliver exceptional design ideas and solutions for our clients through the creative blending of human need, environmental stewardship, value creation, science and art.


Professional Services





Founded in



Saint Louis, MO



Organization Type


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The team at HOK

Key People
  • Bill Hellmuth (key_person)
  • Ricardo Mascia (Owner)
  • George Hellmuth (founders)
  • Gyo Obata (founders)
  • George Kassabaum (founders)

What do people say about HOK

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HOK Rankings

HOK is ranked #58 on the Best Professional Companies to Work For in Missouri list. Zippia's Best Places to Work lists provide unbiased, data-based evaluations of companies. Rankings are based on government and proprietary data on salaries, company financial health, and employee diversity.

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HOK Salaries

How much does HOK pay?
The national average salary for a HOK employee in the United States is $80,934 per year. Employees in the top 10 percent can make over $142,000 per year, while employees at the bottom 10 percent earn less than $45,000 per year.
Salary Score
Average Employee Earnings

HOK Salaries By Job Title

While HOK employees earn an average yearly salary of $80,934, different roles can command different wages. Some of the job titles with high salaries at HOK are Strategy Consultant, Regional Information Technology Manager, Director Of Interiors, and Senior Associate. A typical Strategy Consultant salary at HOK is $113,091 per year. Other roles at HOK include Interior Designer and Marketing Coordinator. A Interior Designer at HOK earns an average yearly salary of $53,664.

HOK careers

On average, employees at HOK stay with the company for 3.2 years. Employees most commonly join HOK after leaving Gensler. When they leave HOK, they most frequently get their next job at AECOM.

Average Length of Employment
NBBJ3.5 years


3.2 years
Gensler2.5 years
Top Employers Before HOK
Gensler14.8 %
HBE7.4 %
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Top Employers After HOK
AECOM10.1 %
Gensler7.1 %
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HOK Employee Political Affiliation


Employee Political Donations

William OdellArchitect
$4,850Democratic Party
Paul StrohmArchitect
$4,250Democratic Party
ELI HoisingtonPrincipal Designer
$2,700Democratic Party
Anica LandreneauArchitect
$1,817Democratic Party
Mary LazarusArchitect
$1,200Democratic Party
James HaggansArchitect
$1,150Democratic Party
John EisenlauSenior Vice President
$1,000Democratic Party
Robert BlahaDesigner
$650Democratic Party
Sofia FonsecaArchitect
$525Republican Party
Pamela LightInterior Designer
$500Democratic Party
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HOK Employment Videos

Interning at HOK in St. Louis: Design, Experience and Culture

HOK Financial Performance

Performance Score
We calculated the performance score of companies by measuring multiple factors, including revenue, longevity, and stock market performance.


$100M - $1B

Founded in


Organization type


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HOK Competitors

Competitors of HOK include SmithGroupJJR, HKS, and Gresham Smith & Partners. Employees at SmithGroupJJR earn more than most of the competition, with an average yearly salary of $89,577. The salaries at HKS average $82,417 per year, and the salaries at Gresham Smith & Partners come in at $80,198 per year.

Frequently Asked Questions about HOK

When was HOK founded?

HOK was founded in 1955.

How many Employees does HOK have?

HOK has 1,839 employees.

How much money does HOK make?

HOK generates $279.1M in revenue.

What industry is HOK in?

HOK is in the professional services industry.

What is HOK's mission?

HOK's mission statement is "HOK's mission is to deliver exceptional design ideas and solutions for our clients through the creative blending of human need, environmental stewardship, value creation, science and art."

What type of company is HOK?

HOK is a private company.

Who are HOK's competitors?

HOK competitors include Gensler, NBBJ, The Environments Group, Inc., Skidmore, Owings & Merrill, Hammel, Green and Abrahamson, AECOM, Kohn Pedersen Fox Assoc, Leo A Daly, HKS, Perkins Eastman, Corgan, DLR Group, SmithGroupJJR, Gresham Smith & Partners, EwingCole, LAMBUR SCOTT MORRIS ARCHITECTS, RSP Architects, PAGE SOUTHERLAND PAGE, URBAN DESIGN GROUP, Arquitectonica.

Who works at HOK?

Bill Hellmuth (key_person)

Ricardo Mascia (Owner)

George Hellmuth (founders)

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You can find out what it is like to work at HOK, also known as HOK, HOK GROUP INC, HOK Group, HOK Group Inc and HOK Group, Inc..

Zippia gives an in-depth look into the details of HOK, including salaries, political affiliations, employee data, and more, in order to inform job seekers about HOK. The employee data is based on information from people who have self-reported their past or current employments at HOK. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions, or for the results obtained from the use of this information. The data presented on this page does not represent the view of HOK and its employees or that of Zippia.