Which metric best indicates successful cultural integration in an M&A post-close?

• A. Synergy estimates.
• B. Employee engagement across cultures.
• C. System uptime.
• D. Policy count.

Answer: (B)

Successful cultural integration after an M&A shows up in how employees from different backgrounds engage with each other and with the new, combined culture. When engagement across cultures is high, teams collaborate effectively, share information, align on values and behaviors, and stay motivated, which drives retention and performance after close. Measuring engagement across cultures—through cross-cultural surveys, participation in integration activities, retention of key talent, and the quality of cross-border collaboration—gives a direct signal of cultural harmony and integration progress.

Synergy estimates focus on projected financial gains from combining operations and don’t necessarily reflect how well people are working together. System uptime measures IT reliability, not employee attitudes or cross-cultural collaboration. Policy count tracks governance activity, which may be part of the process but doesn’t capture the lived experience of integration at the people level.