What is an ACAS certificate?

Asked by: Jaiden Grady  |  Last update: April 20, 2026
Score: 4.3/5 (73 votes)

An ACAS certificate (specifically an Early Conciliation Certificate) is a document issued by the UK's Advisory, Conciliation and Arbitration Service (Acas) that allows an employee to proceed with an Employment Tribunal claim after attempting to resolve a workplace dispute, proving they've gone through the mandatory pre-claim process. This certificate contains a unique reference number that must be included on the tribunal form (ET1) and is essential for the claim to be accepted, unless the conciliation period ends without agreement.

What is the purpose of ACAS?

Acas gives employees and employers free, impartial advice on workplace rights, rules and best practice. We also offer training and help to resolve disputes.

How to get an ACAS early conciliation certificate?

Notify Acas about making a claim to the tribunal. You'll be offered the chance to try and settle the dispute without going to tribunal by using Acas 's free 'early conciliation' service. If early conciliation does not work or you choose not to take part, Acas will send you an early conciliation certificate.

Is ACAS mandatory?

It is mandatory for employees wishing to pursue most employment tribunal claims e.g. unfair dismissal, constructive dismissal, discrimination to obtain an ACAS early conciliation certificate. The ACAS certificate number is required on the tribunal claim form (ET1).

Do I have to use ACAS?

In most cases you will have to contact ACAS to initiate early conciliation but there are five exemptions to early conciliation, which are: (a) another person you are making the claim with has an ACAS early conciliation certificate number. (b) ACAS doesn't have a duty to conciliate on some or all of your claims.

How to Count or Calculate Time after the Acas Certificate has been Issued?

24 related questions found

What are valid reasons for a sick note?

Good Excuses To Miss Work

  • Car (or Other) Accident. Accidents are unexpected events and usually qualify as legitimate requests for sudden leave, especially if serious injuries are involved. ...
  • Death of a Loved One. ...
  • Personal Illness. ...
  • Child's Illness. ...
  • Emergency. ...
  • Car Problems. ...
  • Medical Appointments. ...
  • Miscellaneous Absences.

What is HR legally required to do?

Human resources (HR) professionals are responsible for strategically managing employees within an organization while remaining compliant with laws that govern employee rights and employer obligations.

Does an employer have to follow Acas?

Your employer does not have to follow the Acas code. However, if they do not and you win an employment tribunal against them, you could get a larger payout. There's more guidance about how employers should run disciplinaries in the Acas guide on discipline and grievances at work.

Who can access Acas?

The Acas helpline is for anyone who needs employment law or workplace advice, including employers, employees and workers. Contact us for confidential, free advice. We can talk through: any work-related problem or question you have.

What is the meaning of Acas in aviation?

Airborne Collision Avoidance System (ACAS) was developed as a safety-enhancing system to reduce the likelihood of mid-air collisions between aircraft.

How to prove your boss is discriminating?

The employee must first present evidence that he is a member of a protected class, he was qualified for the position he held, he suffered an adverse employment action such as being fired, and that he was replaced with another worker who is not a member of that protected class.

How much does conciliation cost?

Mediation/Conciliation is free for consumers.

Can an employer refuse Acas conciliation?

If Early Conciliation through ACAS does not resolve your workplace dispute – or if your employer refuses to take part – you still have the right to take your case to an employment tribunal. Participation in conciliation is voluntary, so an employer's refusal does not prevent you from pursuing your claim.

How long does Acas take?

The government has announced that Acas early conciliation will be extended from 6 weeks to 12 weeks, doubling the window in which both parties can attempt to resolve workplace disputes before an Employment Tribunal claim is issued.

Who uses Acas?

ACAS (Assurance Console Assessment System) is a suite of tools primarily used by the U.S. Department of Defense (DoD) to automate vulnerability scanning, compliance assessment, and security management.

What happens if the employer does not attend conciliation?

If a party that referred a dispute fails to attend a conciliation meeting, for whatever reasons, but has not withdrawn the dispute, a commissioner has to issue a certificate indicating that the dispute remains unresolved.

How to get Acas certification?

In order to achieve ACAS certification, you must meet the following prerequisites:

  1. Take the training program listed above.
  2. Provide documentation of 2 years (minimum 2,000 hours) experience working in the aerospace industry.
  3. Pass the ACAS hands-on exam with a 90% or greater.

Can Acas represent me in court?

Acas will not act as your representative. We cannot take sides. But you can ask someone to represent you in early conciliation if you do not want to represent yourself.

What are the four stages of disciplinary action?

The four typical stages of progressive disciplinary action, aiming to correct behavior before termination, are a Verbal Warning, followed by a Written Warning, then a Final Written Warning (sometimes with suspension), and finally Dismissal (or termination) for persistent issues or severe misconduct, though the exact steps can vary slightly by company policy.
 

What not to say in an HR investigation?

In an HR investigation, avoid opinions/judgments, false statements/lying, promising confidentiality, discussing the investigation with others, and using leading questions, as these can bias the process, create legal risk, or obstruct findings; instead, stick to objective facts, be honest, and let the process unfold, potentially seeking legal counsel if accused of serious misconduct. 

What are 5 examples of serious misconduct?

Here are 7 examples classed as workplace misconduct

  • Theft. This may sound obvious, but theft isn't limited to financial fraud like embezzlement or money laundering. ...
  • Sexual harassment. ...
  • Abuse of power. ...
  • Falsifying documentation. ...
  • Health and safety breaches. ...
  • Damage to goods or property. ...
  • Drug and/or alcohol use.

Can my employer listen to my conversations?

Generally, employers are not allowed to listen to or record conversations of their employees without the consent of at least one of the parties involved. The Electronic Communications Privacy Act (ECPA) allows employers to listen in on business calls, but are not allowed to record or listen to private conversations.

What is the 80% rule in HR?

The rule states that employers should be hiring protected groups (i.e. those who are different from white men in terms of ethnic group, race, or sex) at a rate that is at least 80% that of a non-protected group (such as white males).

What are common HR violations?

Common California Wage and Hour Violations. Failure to pay the minimum wage. Overtime violations, such as not paying overtime rates for eligible employees. Misclassifying employees as exempt from overtime. Not providing required meal and rest breaks.

What are the 5 P's in HR?

The 5 Ps of HR, often based on Randall S. Schuler's model, provide a strategic framework for aligning Human Resources with business goals, focusing on Purpose (vision/goals), Principles (fair policies), Processes (workflows/systems), People (talent/capabilities), and Performance (results/outcomes) to drive organizational success. Different variations exist, like HR Marketing's Product, Price, Place, Promotion, People, or culture models focusing on Pay, Perks, People, Pride, and Purpose, but the core idea is holistic alignment.