Did you know that in New Jersey, naturally carbonated water is tax-exempt, but artificially carbonated water is taxable? Well, Vertex does. The company provides tax software that more than 10,000 businesses use to process such taxes as income, sales, consumer use, value-added, communications, and payroll. Vertex also publishes tax manuals and directories, and it offers tax consulting and training. The company serves clients in a range of industries; customers have included big names such as American Honda MotorBristol-Myers Squibb, Mercedes Benz USA, Merck, Pepsi, Starbucks, and Verizon Wireless.

Geographic Reach

The company's headquarters are located in Berwyn, Pennsylvania. Vertex has offices in Europe (London); Brazil (São Paulo); Dallas, Fort Collins, Naperville, Phoenix, Sarasota, suburban Philadelphia, and Washington, DC.


Vertex employs more than 800 professionals.

Sales and Marketing

The company serves customers in a broad range of industries. It maintains sales and service partnerships with leading software companies, including SAP and Oracle, and such accounting firms as PricewaterhouseCoopers and KPMG.


In 2013 Vertex expanded its presence in the Philadelphia area, opening of a new office in Chesterbrook. The new facility comes as the company continues to support increased demand for its enterprise level corporate tax software and services. This includes increased sales of its platform for corporate, indirect tax management: Vertex Indirect Tax O Series (launched in 2012) and Managed Services like Returns Outsourcing.

Company Background

Vertex was founded in 1978 by Ray and Antoinette Westphal, the parents of company president and CEO Jeff Westphal.

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Company News and Press Releases

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1041 Old Cassatt Rd
Berwyn, PA 19312-1192
Phone: 1 (610) 640-4200
Fax: 1 (610) 640-1207


  • Employer Type: Private
  • President and CEO: Jeffrey R. Westphal
  • Chairman: Stevie Lucas
  • President and CEO: Jeffrey R. Westphal

Major Office Locations

  • Berwyn, PA

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