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What is Affidavit Witnessing and When Do You Need It?

Published 07 August 2026

What is Affidavit Witnessing and When Do You Need It?

An affidavit is a written sworn statement of fact used in legal proceedings. Affidavit witnessing is the process by which a UK-qualified solicitor formally witnesses you swearing that the contents of the affidavit are true.

What is an affidavit?

An affidavit is a written statement that you swear or affirm is true, made in front of an authorised witness such as a solicitor. Once witnessed, it becomes a legal document that can be submitted to a court or tribunal.

Affidavits are used in legal and court proceedings. Statutory declarations are used in non-court contexts such as confirming a name change or declaring a document lost.

When do you need an affidavit?

Civil litigation: injunctions, civil disputes, debt recovery.

Family law: divorce, child arrangements, financial remedy, adoption.

Probate: confirming a will, applying for a grant of probate.

Immigration: Home Office applications, character references.

Commercial and employment: commercial disputes, employment tribunals.

How does affidavit witnessing via video call work?

  1. Prepare your affidavit — fully drafted but unsigned
  2. Book an appointment — fixed fee £100
  3. Join the video call with your unsigned affidavit and valid photo ID
  4. The solicitor administers the oath, watches you sign, and countersigns the jurat
  5. The witnessed affidavit is ready immediately

Fixed fee £100. Same-day appointments available. Book now.

Ready to book?

Book now — £100 fixed fee