Contract Terminology/Arbitration vs Mediation
Comparison

Arbitration vs Mediation

Short answer

The main difference between arbitration and mediation is who decides the outcome. In arbitration, a neutral arbitrator hears both sides and issues a decision, called an award, that is usually binding and hard to appeal. In mediation, a neutral mediator helps the parties negotiate but cannot impose a result, so the dispute ends only if both sides sign a settlement. Many business contracts require mediation first, then arbitration.

Reviewed by ExpiryEdge Editorial Team · Updated Oct 2026 · US Law

Arbitration vs Mediation at a glance

ArbitrationMediation
Who decidesA neutral arbitrator or panel decides the dispute after hearing both sides.The parties decide; the mediator only guides the negotiation.
Binding or notThe award is usually binding and can be confirmed by a court as a judgment.Nothing is binding unless both parties sign a settlement agreement.
ProcessA formal hearing with evidence, witnesses and legal arguments, like a simplified trial.Informal meetings, often with private sessions between the mediator and each side.
AppealVery limited court review, mainly for fraud, bias or arbitrator misconduct.No appeal needed, since either party can walk away without a deal.
Cost and speedOften faster than a lawsuit, but can still take months and cost significant fees.Often completed in one or a few sessions at lower cost.
RelationshipAdversarial, with one side usually winning and the other losing.Collaborative, aiming for a solution both sides can accept.
Typical clause wordingDisputes shall be resolved by binding arbitration under the named rules.The parties shall first try in good faith to resolve disputes through mediation.

When arbitration applies

A business meets arbitration when it signs a contract with a binding arbitration clause, which is common in vendor, distribution and customer agreements. Companies choose it when they want a private, final decision without a public court case. For example, a manufacturer and an overseas distributor may pick arbitration so a dispute is heard by a neutral decision-maker familiar with trade disputes.

Read the full Arbitration guide →

When mediation applies

A business uses mediation when it wants to settle a dispute while keeping costs down and preserving the relationship. Many contracts require mediation as a first step before arbitration or a lawsuit. For example, a landlord and a commercial tenant arguing over repair costs might use a mediator to agree on a split and keep the lease going.

Dates and deadlines to watch

Many dispute clauses set a step-by-step timeline, such as a period for negotiation or mediation before either party may start arbitration, so check the contract for those windows. The arbitration rules named in the clause usually set deadlines for responding to a claim and choosing arbitrators. Statutes of limitations still apply to the underlying claim, and whether mediation pauses them varies by state and by the contract's wording.

Frequently asked questions

No, mediation itself is not binding, and either party can leave without agreeing. However, if the parties reach a deal and sign a written settlement agreement, that agreement is generally an enforceable contract. This is why mediators usually help the parties write down the settlement terms before the session ends.

Usually not on the merits. Courts can vacate or refuse to confirm an award only on narrow grounds, such as fraud, evident bias by the arbitrator, or the arbitrator going beyond the powers the parties gave them. A simple mistake about the facts or the law is generally not enough to overturn an award.

Med-arb is a two-step process where the parties first try mediation and, if it fails, move to binding arbitration on the issues still in dispute. Some clauses use the same neutral person for both steps, while others use different people so that what is shared in mediation does not influence the final decision.

Legal disclaimer: This page is for informational purposes only and is not legal advice. Contract law varies by state. Consult a qualified US attorney about your contract.