Employment Tribunal Process: Step-by-Step Guide
Complete guide to the employment tribunal process from ACAS early conciliation through to final judgment. Understand each stage, timelines, and what to expect.
The employment tribunal process follows structured stages from initial dispute through to final judgment. Understanding each step helps manage expectations and prepare effectively.
Overview of the Process
Timeline
Typical timeline for an employment tribunal claim:
| Stage | Timing |
|---|---|
| ACAS early conciliation | 1-6 weeks |
| Submit claim (ET1) | After ACAS certificate |
| Response deadline (ET3) | 28 days from service |
| Case management orders | 2-3 months after claim |
| Disclosure period | 3-6 months after claim |
| Exchange witness statements | 4-8 months after claim |
| Final hearing | 6-12 months after claim |
| Judgment | On day or reserved |
Key Participants
For the Claimant:
- The employee bringing the claim
- Representative (solicitor, barrister, or self-represented)
- Witnesses supporting the claim
For the Respondent:
- The employer defending the claim
- Representative (solicitor, barrister, or self-represented)
- Witnesses supporting the defence
Tribunal Panel:
- Employment Judge (legally qualified)
- Up to two lay members (for some claims)
Stage 1: ACAS Early Conciliation
Mandatory First Step
Before most claims, employees must:
- Contact ACAS within time limits
- Participate in early conciliation (or decline)
- Obtain an early conciliation certificate
- Use certificate number when filing claim
The Conciliation Period
Initial period: Up to 1 month Extension: Additional 14 days if progress made Maximum: 6 weeks total
Outcomes
Settlement reached:
- COT3 agreement signed
- Claim resolved without tribunal
- Terms binding on both parties
No settlement:
- ACAS issues certificate
- Enables tribunal claim to proceed
- Time limits extended
See our guide on ACAS early conciliation for detailed information.
Stage 2: Submitting the Claim (ET1)
The Claim Form
Employees complete the ET1 form including:
- Personal details
- Employer details
- ACAS certificate number
- Type of claim
- Factual basis for claim
- Remedy sought
- Supporting information
Time Limits
Most employment claims must be brought:
- Within 3 months less 1 day from the act complained of
- Some claims have 6-month limits (redundancy pay, equal pay)
- ACAS conciliation extends these deadlines
Tribunal Fees
No fee required since 2017 when tribunal fees were abolished.
Multiple Claims
Employees can bring:
- Multiple types of claims together
- Claims against multiple respondents
- Connected claims in one form
Stage 3: Service and Response
Tribunal Sends Documents
The tribunal serves on the employer:
- Copy of the ET1 claim form
- Notice of the claim
- Response form (ET3)
- Deadline for response (usually 28 days)
Critical Response Deadline
Employers must respond within 28 days:
- Complete the ET3 form
- Set out full defence
- Include all facts relied upon
- Attach relevant documents
Missing the Deadline
Consequences of late response:
- Default judgment may be entered
- Employer barred from defending
- Can apply for extension (good reason needed)
- Much harder to defend effectively
What Goes in the Response
Must include:
- Whether you resist the claim (and which parts)
- Your grounds for resistance
- Your version of events
- Key facts supporting your defence
- Details of witnesses and documents
Don't:
- Admit facts you're unsure about
- Leave out important details
- Miss relevant documentation
- Ignore any part of the claim
Stage 4: Case Management
Purpose
Case management ensures:
- Issues are clearly defined
- Both parties know what's required
- Timetable is set for preparation
- Hearing can be effective and fair
Preliminary Hearing
May be held to:
- Clarify the claims and issues
- Consider strike out applications
- Deal with preliminary legal points
- Set directions for the final hearing
- Estimate hearing length
Case Management Orders
Tribunal typically orders:
Standard directions:
- List of issues to be determined
- Disclosure of documents deadline
- Exchange of witness statements deadline
- Preparation of hearing bundle
- Date and length of final hearing
Additional orders might include:
- Further particulars of claim/response
- Medical evidence
- Expert evidence (rarely)
- Preliminary hearing on specific issues
Timescales
Typical case management timetable:
- Disclosure: 8-12 weeks from orders
- Witness statements: 16-20 weeks from orders
- Bundle preparation: 2 weeks before hearing
- Final hearing: 6-9 months from orders
Stage 5: Disclosure of Documents
What Is Disclosure?
Both parties must provide:
- All relevant documents
- Whether helpful or unhelpful to their case
- In electronic or paper form
- With a disclosure list
Documents to Disclose
Employment records:
- Contract of employment
- Job description
- Employee handbook
- Policies and procedures
Correspondence:
- Letters
- Emails
- Text messages (if relevant)
- Meeting invitations
Performance and conduct:
- Appraisals
- Performance reviews
- Disciplinary records
- Grievance records
- Investigation notes
Pay and benefits:
- Payslips
- P60s
- Bonus information
- Pension details
The Disclosure List
Must show:
- Documents you have
- Documents you had but no longer have
- Documents you object to disclosing (rare)
Inspection
After disclosure list exchanged:
- Other side can inspect documents
- Usually by agreement
- Copies provided
- Originals available if disputed
Withholding Documents
Can only withhold if:
- Subject to legal professional privilege
- Irrelevant to the issues
- Neither party should fail to disclose without good reason
Stage 6: Witness Statements
Purpose
Written statements containing:
- Each witness's evidence
- Their version of events
- Facts they can speak to
- Reference to relevant documents
Content Requirements
Must include:
- Witness's full name and role
- Their involvement in events
- Chronological account of relevant facts
- Reference to documents (by page number)
- Statement of truth (signed and dated)
Should not:
- Include legal arguments
- Give opinions (unless expert)
- Contain hearsay (generally)
- Repeat what others said (unless direct knowledge)
Exchange
Statements are exchanged:
- On agreed or ordered date
- Simultaneously between parties
- Before the final hearing
- Typically 2-4 weeks before hearing
Using at Hearing
At the tribunal:
- Statement stands as evidence in chief
- Witness confirms it's true
- Other side cross-examines
- Own side can re-examine
- Tribunal may ask questions
Stage 7: Hearing Bundle
What Is It?
Joint document bundle containing:
- All relevant documents
- Chronologically ordered
- Continuously paginated
- Indexed
- Multiple copies
Contents
Typically includes:
- Claim form (ET1)
- Response form (ET3)
- Case management orders
- Documents in chronological order
- Witness statements
Preparation
Usually respondent prepares:
- Agrees contents with claimant
- Paginates consecutively
- Creates index
- Makes required copies (usually 4-5)
- Provides in advance of hearing
Electronic Bundles
Increasingly common:
- PDF format
- Bookmarked
- Searchable
- Shared via secure platform
- Tribunal may specify format
Stage 8: The Final Hearing
Before the Hearing
Final preparations:
- Review all documents thoroughly
- Prepare cross-examination questions
- Draft closing submissions
- Prepare witnesses
- Organize logistics
On the day:
- Arrive early
- Bring all documents
- Have witnesses available
- Be professionally dressed
Hearing Structure
Opening:
- Judge confirms issues
- May hear opening submissions
- Clarifies procedure and timetable
Claimant's case:
- Claimant's witnesses give evidence
- Cross-examination by respondent
- Re-examination by claimant
- Questions from tribunal
Respondent's case:
- Respondent's witnesses give evidence
- Cross-examination by claimant
- Re-examination by respondent
- Questions from tribunal
Closing submissions:
- Respondent usually goes first
- Claimant responds (has burden of proof)
- Tribunal may ask questions
Giving Evidence
The process:
- Witness sworn in or affirms
- Confirms witness statement
- Cross-examination
- Re-examination
- Tribunal questions
- Witness released
Tips:
- Tell the truth
- Listen to questions carefully
- Answer the question asked
- Refer to documents when relevant
- Stay calm and professional
- Say "I don't know" if you don't
Hearing Duration
Varies by complexity:
- Simple unfair dismissal: 1-2 days
- Standard unfair dismissal: 2-3 days
- Discrimination claim: 3-5 days
- Multiple claims: 5-10+ days
Stage 9: Judgment
Reserved or Oral
Reserved judgment:
- Tribunal needs time to consider
- Written judgment sent later
- Usually within 4 weeks
- Includes written reasons
Oral judgment:
- Given on the day
- Tribunal announces decision
- Can request written reasons (within 14 days)
- Written reasons provided later
The Decision
Judgment will state:
- Whether claim succeeded or failed
- Reasons for the decision
- Remedy awarded (if any)
- Any costs orders
If Claimant Wins
Judgment includes:
- Type of claim upheld
- Remedy awarded
- Compensation amount
- How calculated
- Payment deadline (usually 14 days)
Possible remedies:
- Compensation
- Reinstatement (rare)
- Re-engagement (rare)
- Recommendations
If Respondent Wins
Judgment states:
- Claim dismissed
- Reasons why
- Whether costs awarded (rare)
Written Reasons
Either party can request:
- Within 14 days of oral judgment
- Detailed written reasons
- Explains tribunal's findings
- Important for appeal purposes
Stage 10: After Judgment
Payment of Award
If employer loses:
- Must pay within 14 days (usually)
- Interest accrues if late
- ACAS can assist with enforcement
- County court can enforce if needed
Appeals
Limited right to appeal:
- To Employment Appeal Tribunal (EAT)
- On point of law only (not fact)
- Within 42 days of written reasons
- Permission may be required
Reconsideration
Can apply for reconsideration:
- If interests of justice require it
- Usually within 14 days
- Rare to succeed
- Same tribunal hears application
Enforcement
If award not paid:
- Apply to ACAS
- County court enforcement
- Bailiffs
- Attachment of earnings
- Third party debt order
Settlement Throughout Process
Any Stage Is Possible
Settlement can occur:
- During ACAS conciliation (before claim)
- After claim filed (before response)
- During case preparation
- At the tribunal door
- During the hearing
- After judgment (on terms of payment)
Settlement Methods
COT3 (ACAS):
- Free ACAS conciliation
- Binding without legal advice
- Cannot bring further claims
- Common and effective
Settlement agreement:
- Direct negotiation
- Employee needs legal advice
- Employer usually pays for advice
- Can include confidentiality
Why Settle?
For employees:
- Certainty of outcome
- Quicker resolution
- Avoid hearing stress
- Guaranteed payment
For employers:
- Control the outcome
- Avoid legal costs
- Limit compensation
- Maintain confidentiality
- Save management time
Settlement Considerations
Before settling, consider:
- Strength of your case
- Likely tribunal outcome
- Legal costs to continue
- Time and stress involved
- Need for confidentiality
- Importance of reference
Common Issues During Process
Extensions of Time
May need to apply for:
- Extension to file response
- Extension for disclosure
- Extension for witness statements
- Must show good reason
Amendment of Claims/Response
Can apply to amend:
- Add new claims
- Add new facts
- Correct errors
- Tribunal considers prejudice
Strike Out Applications
Tribunal can strike out:
- Claims with no reasonable prospect
- Scandalous or vexatious claims
- Non-compliance with orders
- Rare in practice
Interim Applications
During process may need:
- Further information
- Stay of proceedings
- Consolidation with other claims
- Specific disclosure
Practical Tips
For Both Parties
Do:
- Comply with deadlines
- Preserve all documents
- Be honest in statements
- Prepare thoroughly
- Consider settlement
- Take legal advice
Don't:
- Miss deadlines
- Destroy documents
- Exaggerate or lie
- Ignore tribunal orders
- Let emotions dominate
- Underestimate the process
Managing Costs
Keep costs down by:
- Preparing documents yourself
- Being organized and efficient
- Providing clear instructions
- Settling where appropriate
- Using lawyers strategically
Managing Stress
The process is stressful:
- Takes many months
- Requires significant effort
- Emotionally draining
- Impacts work and life
- Consider wellbeing support
Checklist
When Claim Made
- Seek legal advice immediately
- Preserve all documents
- Note response deadline
- Check insurance coverage
- Begin gathering evidence
- Consider early settlement
During Preparation
- File response on time
- Comply with case management orders
- Complete disclosure thoroughly
- Prepare detailed witness statements
- Create comprehensive bundle
- Prepare for hearing
At Hearing
- Arrive early and prepared
- Bring all necessary documents
- Have witnesses ready
- Present evidence clearly
- Cross-examine effectively
- Make cogent submissions
After Hearing
- Await judgment
- Comply with any orders
- Consider appeal if appropriate
- Learn lessons for future
- Review procedures and training
Related answers
ACAS Early Conciliation
What is ACAS early conciliation? Understand the mandatory process before bringing an employment tribunal claim.
Employment Tribunal Claims: Employer's Guide
What to do when an employee makes a tribunal claim. Understand the process, time limits, costs, and how to defend claims or settle through ACAS.
Preparing for an Employment Tribunal: Employer's Guide
What to expect at an employment tribunal hearing. Preparation, documentation, witnesses, the hearing process, and presenting your case.
Frequently Asked Questions
- How long does the employment tribunal process take?
- From ACAS early conciliation to final hearing typically takes 6-12 months. Simple unfair dismissal claims may be listed for 1-3 days. Complex discrimination cases can take longer with hearings lasting 5-10 days. Current backlogs mean waiting times vary by region.
- What are the stages of an employment tribunal?
- The main stages are: ACAS early conciliation (up to 6 weeks), submitting the ET1 claim form, employer's ET3 response (28 days), case management orders, disclosure of documents, exchange of witness statements, preliminary hearing (if needed), final hearing, and judgment.
- Can I settle an employment tribunal claim at any stage?
- Yes. Settlement can happen during ACAS conciliation, after claim submitted, during case preparation, at the tribunal door before hearing starts, or even part-way through a hearing. Most cases that settle do so before the final hearing.