It is Monday morning, and an HR leader opens her inbox to find another message about the same two people. They have not worked well together since spring. Their manager has tried. HR has met with each of them twice. Nothing has changed, except that the rest of the team has started to take sides.
None of this appears in any budget. All of it is real. And if you lead HR, you are probably the person everyone expects to fix it.
My perspective on the costs of conflict comes from more than advising employers as an employment litigator. I have also managed organizational challenges as a senior executive in financial services and healthcare and worked with leaders as an executive coach. I know what it is like to manage a conflict that is not quite a policy violation and not quite going away, and how its effects can spread through a team. Mediation gives leaders a real option between doing nothing and moving immediately to a formal process.
What does unresolved workplace conflict cost an employer?
Unresolved conflict costs employers in management time, productivity, turnover, and legal exposure. A 2026 survey of more than 1,100 U.S. employees, published by a conflict resolution firm, estimated that managers spend about four and a half hours every week dealing with interpersonal conflict. That adds up to roughly 29 working days a year, per manager.
The time is only the visible part. Conflict also shows up as disengagement, absences, and good people who quietly start looking for another job. Most of these costs stay hidden because no one tracks them: a resignation is recorded as turnover, not as the conflict that caused it. In some cases, the conflict surfaces later as a formal complaint or a lawsuit, which is the most expensive version of the same problem.
Does workplace mediation actually work?
The evidence is encouraging, although U.S. research has not kept pace with U.S. practice. Workplace mediation is widely used in the United States, but it is surprisingly under-studied here. Researchers have described it as an underdeveloped area, and much of the rigorous outcome research comes from the United Kingdom and Europe, where governments and employer groups have examined it closely.
Those findings have been consistently favorable. In one UK study of three large organizations with in-house mediation programs, each organization reported that more than 90 percent of its mediations reached agreement. The researchers also found that results were strongest where managers, HR professionals, and employee representatives actively supported the program.
Large American companies have also shown where they stand through their choices. A 2011 survey of Fortune 1,000 corporate counsel found that the use of mediation had grown while reliance on arbitration had fallen sharply.
What do employers gain from workplace mediation?
Employers gain faster, less expensive resolution of conflict that would otherwise keep draining time and talent. The specific benefits include:
- Recovered management time. Managers stop refereeing the same dispute week after week.
- Retention. Often both people in a conflict are people the organization wants to keep. Mediation gives them a way to stay.
- Fewer formal complaints. Disputes resolved at the conversation stage rarely become grievances, agency charges, or lawsuits.
- Predictable cost. A mediation typically takes a day or less, compared with the weeks or months of an investigation or litigation.
- Better outcomes. The people who know the work best design the solution.
- A healthier culture. Offering mediation signals that the organization deals with conflict directly and fairly.
What do employees gain from workplace mediation?
When you offer mediation to employees, these are the benefits worth explaining. Employees gain a voice in resolving a problem that directly affects their daily work, along with:
- The chance to be heard. Many people in conflict want, above all, for the other person to understand their perspective.
- Speed. A mediation can be scheduled in days, not months.
- Privacy. The conversation stays confidential within the limits explained at the start.
- Dignity. No one is labeled the wrongdoer, and no one has to win for the other to lose.
- An alternative to leaving. People often quit because of a difficult relationship with a manager or colleague. Mediation offers a way to repair the relationship instead of walking away from the job.
How can HR leaders make the case for mediation to leadership?
The strongest case for mediation uses the language executives and legal counsel already use: time, risk, and retention. A few approaches work well:
- Start with one dispute. Identify a current conflict that is consuming management time and estimate the hours spent on it so far. One concrete example persuades more than general statistics.
- Compare the alternatives. Set the cost of a mediation beside the cost of an investigation, the cost of replacing an employee who leaves, and the cost of defending a claim.
- Answer the risk questions up front. Legal counsel will want to know about confidentiality and what a written agreement does and does not mean. Address those questions early, ideally with input from the mediator.
- Propose a pilot. Offering mediation for a defined period or a set number of disputes lowers the stakes of saying yes.
- Agree on how to measure it. Track time to resolution, whether the people involved stay, and whether the same conflict comes back.
Why does mediation succeed where other approaches stall?
Mediation succeeds because people commit to solutions they help create. A directive from a manager or a decision from HR may produce compliance. An agreement the parties build themselves is far more likely to produce real change, because it reflects what each of them actually needs.
Mediation also gives emotion a constructive place to go. In most workplace processes, frustration and hurt are treated as distractions. In mediation, they are often the key to understanding what the dispute is really about.
The benefits depend on the moment
Mediation delivers these benefits most reliably when it is used at the right time and for the right kind of dispute. Sometimes a direct conversation is enough; in other situations, an early referral to a neutral is the wiser choice. Delay, however, can allow positions to harden. The next post in this series looks at how to recognize the right moment.
Learn more
For organizations seeking a practical approach to workplace conflict, external mediation may be worth considering. Learn more about how I work with employers and leadership teams.
About the author
Sheri L. Mooney, Esq. is a New York-based attorney, workplace mediator, and certified executive leadership coach who serves organizations nationwide. She brings nearly three decades of experience spanning employment litigation, corporate executive leadership, and leadership development. Her background includes serving as a partner at a major law firm and holding senior executive positions in financial services and healthcare. This combination of legal, organizational, and leadership experience informs her approach to helping employers, executives, and employees resolve workplace conflict and restore productive working relationships.