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Zenith American Solutions

Leading TPA for Taft-Hartley benefit plans

Overview

Zenith American Solutions is a leading third-party administrator that manages health and retirement benefit plans for Taft-Hartley multi-employer funds, serving union members across the United States. It administers benefit plans, handling eligibility, claims processing, record-keeping, and overall plan administration for complex union-benefit programs. Its differentiation comes from specialization in Taft-Hartley funds, being the largest independent TPA in this space, and growth through strategic acquisitions under Harbour Benefit Holdings. The company aims to provide accurate, cost-effective administration of multi-employer benefit programs and expand access to high-quality administrative services for Taft-Hartley plans.

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About Zenith American Solutions

Simplify's Rating
Why Zenith American Solutions is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & AnalyticsConsultingFinancial ServicesHealthcare

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Tampa, FL

Founded

1944

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Simplify's take

What believers are saying

  • Zenith appointed CIO Patrick Horne in February 2024 to harden technology and security.
  • Zenith's 2025 NPS reached 42, above the U.S. health insurance benchmark.
  • The August 2026 webinar push and dependent audit products deepen trustee engagement.

What critics are saying

  • The 2024 email breach exposed PII; Florida settlement hearings continued October 2026.
  • A 2025 ERISA suit from Insulators Local 91 shows recurring plan disputes.
  • NLRB charges in 2025 signaled labor friction; an operations error can trigger client defections.

What makes Zenith American Solutions unique

  • Zenith dominates Taft-Hartley administration, serving union trust funds since 1944.
  • Harbour added A.W. Rehn in April 2025, expanding Pacific Northwest Taft-Hartley coverage.
  • Zenith's 2025 single adjudication platform unifies claims, contributions, and pensions.

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Benefits

  • Health Insurance
  • Vision Insurance
  • Dental Insurance
  • 401(k) Retirement Plan
  • 401(k) Company Match
  • Paid Vacation
  • Flexible Work Hours

Growth & Insights and Company News

6 month growth

0%

1 year growth

0%

2 year growth

0%
Claim Depot
Feb 14th, 2025
Zenith American Solutions Data Breach Affects 11,000 Americans

Third-party benefits administration company, Zenith American Solutions, recently experienced a data breach exposing sensitive personally identifiable information, known as "PII".

PR Newswire
Jul 12th, 2024
Harbour Benefit Holdings And Zenith American Solutions® Announces New Member To Board Of Directors

TAMPA, Fla., July 12, 2024 /PRNewswire/ -- Harbour Benefit Holdings, Inc. ("Harbour") and its subsidiary, Zenith American Solutions, Inc.® ("Zenith"), industry leaders in third-party administration services for Taft-Hartley Trust Funds, proudly announce the appointment of Debbie Rittenour to their Board of Directors, effective July 1, 2024.Ms. Rittenour brings a wealth of experience leading transformative growth and intricate healthcare and retirement benefit programs to her new role. Her appointment underscores Harbour and Zenith's commitment to fortifying its strategic direction and advancing its market-leading capabilities.Harbour Benefit Holdings and Zenith American Solutions announces appointment of Debbie Rittenour to Board of Directors. Post this"We are delighted to welcome Debbie Rittenour to our Board of Directors," stated Kim Fiori, President and CEO of Harbour and Zenith. "Her extensive background and leadership in healthcare benefits management and government programs will be instrumental as we navigate complex market landscapes and continue to innovate."Prior to joining Harbour's board, Ms

WV News
Jul 12th, 2024
Harbour Benefit Holdings and Zenith American Solutions(R) Announces New Member to Board of Directors

Harbour Benefit Holdings and Zenith American Solutions announces appointment of Debbie Rittenour to Board of Directors.

PR Newswire
Feb 5th, 2024
Zenith American Solutions Appoints Patrick Horne To Evp, Chief Information Officer

TAMPA, Fla., Feb. 5, 2024 /PRNewswire/ -- Zenith American Solutions, Inc.("Zenith"), the leader in third-party administration services for Taft-Hartley trust funds, is pleased to announce that Patrick Horne has joined Zenith's Executive Leadership Team as the Company's Chief Information Officer.ZENITH AMERICAN SOLUTIONS' TECHNOLOGY AND CYBERSECURITY ENHANCEMENT INITIATIVE CONTINUES WITH CIO APPOINTMENT Post this Patrick Horne, EVP, Chief Information Officer, Zenith American SolutionsPatrick Horne has been an IT professional for over thirty-two years, managing IT operations for publicly traded and privately held companies. He has assisted dozens of companies with designing and executing their IT operational improvement plans, cloud migrations, infrastructure refreshes, regulatory compliance, business automation, and information security programs. For the past fourteen years, Horne has worked in various healthcare industries including senior living, locum tenens emergency medicine physicians, primary care physicians, medical and paramedical examination services, and national pharmacy and PBM services. Prior to joining Zenith American Solutions, Horne served as the Chief Information Officer at Southeast Medical Group based in Alpharetta, Georgia.As CIO, Horne will lead the Company's technology team as they support its ongoing technology upgrade and cybersecurity compliance initiatives. Horne said, "I am honored to assume the role of Chief Information Officer at such a reputable company

PR Newswire
Sep 5th, 2023
Zenith American Solutions Strengthens Its Executive Leadership With Appointment Of Michele Rivas, Evp, Chief Legal Officer, And Keagan J. Kerr, Evp, Chief Human Resources Officer

TAMPA, Fla., Sept. 5, 2023 /PRNewswire/ -- Zenith American Solutions, Inc. ("Zenith"), the leader in third-party administration services for Taft-Hartley trust funds, is pleased to announce that Michele Rivas and Keagan Kerr have joined Zenith's Executive Leadership Team.Michele Rivas, previously Zenith's Vice President, Deputy General Counsel, has been promoted to Chief Legal Officer. Rivas has over 20 years of employment, labor, ERISA and corporate law experience. For the past 6 years, she has led the expansive regulatory changes required by the Consolidated Appropriations Act of 2019 (including the No Surprises Act) and the Transparency in Coverage Rule; spearheaded due diligence; and successfully partnered with outside counsel in obtaining acquisition targets. Rivas will lead the Company's internal legal and compliance teams.Zenith American Solutions Strengthens Leadership with Key Appointments Tweet thisPrior to joining Zenith, Rivas was in-house counsel and a center of excellence for employee benefit-related matters for a regional broker and counsel at firms including Jaffe, Sullivan Ward and Eggersen & Associates, providing legal services to Fortune 500 companies and large benefit plans (including acting as fund counsel to Taft-Hartley funds).She is a Michigan Super Lawyer Rising Star, a fellow of the American Bar Association and a past President of the Women Lawyers Association of Michigan

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