Conduct retirement plan due diligence early in the process

As part of broader merger due diligence, employers should inventory all retirement programs across both organizations. This includes reviewing:

• Plan types, eligibility and benefit formulas
• Funding levels and actuarial assumptions
• Investment structures and governance frameworks
• Administrative vendors and recordkeeping platforms

For DB plans in particular, understanding funded status, contribution requirements and long-term liabilities is essential to evaluating overall transaction risk.

Identify strategic objectives for the combined organization

Before decisions are made, leadership should establish clear goals for the future retirement program. Consider whether priorities include cost stability, benefit harmonization, workforce attraction and retention, administrative simplicity or expanded participant choice.

Clarifying objectives early helps guide post-merger decisions and prevents integration from becoming a purely tactical or compliance-driven exercise.

Assess workforce demographics and cultural differences

Legacy retirement plans often reflect the workforce they were designed to serve. Differences in age, tenure, compensation structures and employee expectations can affect how plan changes are received.

Understanding these dynamics in advance allows employers to anticipate equity concerns and design transition strategies that balance fairness with sustainability.

Engage key advisers early

Legal, actuarial and retirement consulting advisers play a critical role both before and after a merger. Early engagement helps employers evaluate options, understand regulatory constraints and model potential outcomes before decisions become final.

Align plan design and liabilities

Post-merger integration starts with a clear understanding of how existing plans fit together. DB plans may carry significant long-term liabilities, while DC plans may differ in contribution levels, matching formulas or investment menus. Employers must evaluate how these elements can be aligned without undermining financial stability or employee trust.

Manage regulatory and compliance requirements

Mergers trigger complex requirements under ERISA, IRS and Department of Labor regulations. Plan amendments, fiduciary processes and participant communications must all be carefully coordinated. Detailed planning helps avoid compliance gaps and unnecessary risk.

Prioritize employee communication

Retirement integration can be one of the most sensitive aspects of a merger. Employees want to understand what is changing, what is staying the same and how their retirement security may be affected. Clear, consistent communication reduces uncertainty and supports engagement during transition.

Combine the strengths of DB and DC plans

Hybrid designs, such as cash balance plans, can help bridge traditional DB structures and modern DC flexibility. These plans offer predictable benefits with improved portability and transparency, making them appealing to a broad range of employees.

Enhance investment and design flexibility

Post-merger integration provides an opportunity to reassess plan features, including investment menus and contribution structures. Some organizations choose to expand participant choice or introduce value-aligned investment options, such as ESG-focused funds, in response to workforce preferences or governance priorities.

Streamline administration and technology

Consolidating recordkeeping and administrative platforms can reduce cost, improve data consistency and simplify compliance. Modern systems support better reporting, digital engagement and more efficient plan management.

Managing challenges and risk

Integrating retirement plans is rarely simple. Legacy DB liabilities can limit plan design options, while aligning contribution formulas may create perceived inequities. Market volatility and interest rate risk also create added complexity during transition periods.

A phased approach, such as freezing DB accruals while enhancing DC benefits over time, can help manage risk and provide employees with a clearer path forward.

Successful integration depends on collaboration across HR, finance and investment teams, supported by experienced retirement consultants. With thoughtful planning, organizations can move beyond transactional integration to create a retirement strategy that supports both employees and long-term business success.