David A Harston

Immigration Lawyer at Palmer Polaski PC

  • Recent Case: 156
  • Success Rate: 99%

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Contact Information


  • 303-736-6650
  • david.harston@palmerpolaski.com, david.harston@eahimmigration.com, norma.jimenez@eahimmigration.com
  • 1761 N Emerson Street , Denver , CO 80218-1011

About David A Harston


David A Harston, who is licensed to practice at Supreme Court, CO, Colorado Supreme Court, CO, is an immigraton attorney at Palmer Polaski PC. During the past three years, David A Harston has filed 128 labor condition applications for H-1B visas, with 2 denials, and 28 labor petitions for employment based green cards, all have been certified(approved). The overall case success rate is 99%.

Client Information


Industries Represented
    Information, Professional, Scientific, and Technical Services, Manufacturing, Mining, Quarrying, and Oil and Gas Extraction, Finance and Insurance, Administrative and Support and Waste Management and Remediation Services

Statistics of Labor Petitions for H-1B Visa & Employment Based Green Card(PERM)


LCA For H-1B Visa
  • Applications Filed: 128
  • Case Denied: 2
LC for Green Card(PERM)
  • Applications Filed: 28
  • Cased Denied: 0

Labor Petitions (LC) for Green Card (PERM) Applications


David A Harston has assisted clients in filing labor petitions for Green Card (PERM) applications. Below are key statistics:

Top Beneficiary Visas

H-1B, L-1, TN

Top Job Titles

Lead Software Developer, Lead Architect, Senior Consultant, Application Security, Manager, Information Technology, Biochemical Engineer, Software Engineer, Data Analyst, Solutions Engineer Manager, Electrical Engineer I, Lead Software Architect

Top O*NET Titles

Software Developers, Applications, Computer And Information Systems Managers, Computer Network Architect, Electrical Engineers, Biochemical Engineer, Business Intelligence Analyst, Business Intelligence Analysts, Computer Systems Analysts, Information Technology Project Managers, Lead Software Developer

Top Locations

Plymouth, WI, Denver, CO, Monroe, LA, Littleton, CO, Town And Country, MO, Newport News, VA, Pueblo, CO, Chattanooga, TN, Ashburn, VA, San Antonio, TX

Labor Condition Applications(LCA) for H-1B Visa


David A Harston has filed labor condition applications for H-1B visas for a wide variety of positions and locations. Below are the top statistics:

Top Beneficiary Visas

H-1B, E-3 Australian

Top Job Titles

Software Engineer, Senior Software Developer, Lead Software Developer, Senior Lead Software Developer, Software Engineer 2, Lead Software Engineer, Senior Software Engineer, Consultant, Mining Engineering Manager, Business Evaluation, Senior Consultant, Application Security

Top O*NET Titles

Software Developers, Applications, Software Developers, Information Security Analysts, Architectural and Engineering Managers, Computer Systems Analysts, Electrical Engineers, Food Scientists and Technologists, Computer and Information Systems Managers, Financial and Investment Analysts, Mining and Geological Engineers, Including Mining Safety Engineers

Top Locations

Denver, CO, Plymouth, WI, Newport News, VA, San Antonio, TX, Broomfield, CO, Pueblo, CO, Littleton, CO, Farmington, NM, Mason, OH, Gardner, KS

Practice Areas


  • Workplace Compliance and Audits: Guides employers in complying with immigration laws.
  • Deportation Defense: Represents clients in removal proceedings and assists with applications for relief such as asylum, cancellation of removal, or adjustment of status.
  • Naturalization and Citizenship: Guides individuals through the process of becoming U.S. citizens.
  • Investor and Entrepreneur Visas: Advises entrepreneurs and investors on obtaining visas.

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