History
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1966
Founded as oil & gas firm in Tulsa with 3 attorneys, including Walter Hall
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1967
John Estill and James Hardwick join firm
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1968
Thomas Gable and Thomas Golden join firm
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Early 1970s
Firm begins expansion of legal services into other practice areas
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1974
Fred Nelson joins firm
Until the mid 1970s, Walter Hall serves as sole attorney responsible for firm management. In 1976, the firm elects its first Board of Directors and Managing Partner.
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Early 1980s
Firm has more than 20 attorneys
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Mid 1980s
The firm changes its name for the last time to Hall, Estill, Hardwick, Gable, Golden & Nelson, P.C.
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1987
Oklahoma City office opens
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1989
Acquisition of Watson McKenzie law firm in Oklahoma City
- 19 96
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1997
Fayetteville, Arkansas office opens
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2003
Firm has 85 attorneys firm wide
- 20 06
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2006
Acquisition of Nichols Wolfe law firm in Tulsa
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2010
Expands Intellectual Property practice in Oklahoma City
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2010
Acquisition of Cooper Newsome law firm in Tulsa
- 20 16
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2016
Denver office opens
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2016
Firm celebrates 50 year anniversary
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2018
Completes acquisition of Newton, O'Connor & Ketchum
- 20 20
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2020
Hall Estill has more than 130 attorneys firm wide
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2021
Hall Estill Tulsa breaks ground on new offices in Tulsa’s Blue Dome district
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2022
Hall Estill Oklahoma City completes office renovation in the new BancFirst Tower
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2023
Hall Estill Tulsa moves to the Santa Fe Square development
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2023
The Hogue Law Firm joins Hall Estill in its Northwest Arkansas office