Apostilled documents in London for use in Oman

London apostille for Oman from the FCDO Legalisation Office

London → Oman

Hague Members

Destination Oman

Destination status Hague Convention member

Issued by The Legalisation Office (Foreign, Commonwealth & Development Office)

Standard turnaround Up to 25 working days, plus postage

Information validated 21 August 2026

Complete Guide

Get An Apostille in London For Use in Oman

Guide to legalising UK official documents for use in Oman through the apostille process from the UK Foreign Office.

In this guide

Using a UK document in Oman: apostille or embassy legalisation?
What Oman's Hague status means for your documents
How to get an apostille from the United Kingdom to Oman
Fees and turnaround times
Key requirements for documents used in Oman

Using a UK document in Oman: apostille or embassy legalisation?

For the document legalisation for Oman from the United Kingdom, an apostille issued by the Foreign Office serves as the required certification. Oman joined the Hague Convention in 2012, which means UK public documents can be legalised simply with this special certificate. You do not need the extra step of visiting the Omani Embassy for consular stamps - the apostille alone makes your British paperwork acceptable in Oman.

What Oman's Hague status means for your documents

Because Oman follows the Apostille Convention, a document with a London apostille for Oman can be used directly there without further legalisation steps. The Legalisation Office, part of the Foreign Office, stamps official UK documents to verify their origin and the signature on them. This stamp proves to Omani authorities that the paper is genuine. A certified copy from Westminster Register Office on Harrow Road works the same way as the original for the purpose of the apostille, so you never need to send your only copy.

How to get an apostille from the United Kingdom to Oman

The process starts with obtaining the correct version of your document. If it's a civil record like a birth or marriage certificate, order an official copy from Westminster Register Office which can make a fresh certified copy for the apostille. This copy remains with the Legalisation Office during the process while your original stays safe. For the apostille for Oman, staff at the Milton Keynes office check the signature against their register of UK officials.

Fees and turnaround times

The official fee for each apostille from the Legalisation Office is a fixed amount per document, with faster service available for an additional charge. What you need for an apostille for Oman includes the complete set of supporting papers ready in one go to avoid delays. Processing usually takes up to 25 working days once they receive your package. The office works by post only, so be sure to use their Milton Keynes PO box address.

Key requirements for documents used in Oman

Omani authorities expect documents in Arabic, so plan for translation locally in Oman after the apostille. Your apostille from the United Kingdom to Oman should go on the original document or a certified copy - notarised versions of public records are not accepted. The sealed certificate with its unique number remains valid indefinitely in Oman for the same purpose you got it for. Some specialised documents like police clearance certificates may need extra local verification.

Frequently Asked Questions

London → Oman apostille FAQ

How do I get a London apostille for Oman when I have the original document?

Do not send your original civil record such as a birth or marriage certificate through the post. Instead, request a fresh certified copy from Westminster Register Office at 317 Harrow Road, London W9 3RJ. The FCDO Legalisation Office accepts these official copies by post for the apostille stamp. They will place the apostille sticker on the back of the document and sign across the intersection with the paper. The standard turnaround is up to 25 working days once it reaches their office in Milton Keynes. You can then use this apostilled copy for official purposes in Oman without risking your irreplaceable original.

What happens after the apostille? Does Oman require anything else?

Oman joined the Hague Apostille Convention in 2012, so an apostille alone makes your document legally valid there. No further legalisation steps are required at any Omani embassy or consulate. However, all documents must be in either English or Arabic for use in Oman. If your paper is in another language, you will need a certified translation. The translator should include a statement confirming the translation is accurate and complete, though they do not need to be officially sworn.

Can I get my apostille faster than 25 working days?

Yes, the FCDO Legalisation Office offers a next-working-day service for registered businesses. This reduced turnaround applies only to customers with a business account and drops the processing time to up to 25 working days. The office must receive your documents by 3pm for them to be processed the next working day. There is no premium same-day service available. You must use a trackable postal service with a signature on delivery to ensure secure and timely arrival.

My document is a company paper signed in London. What makes it valid for Oman?

For UK company documents like Articles of Association or certificates of incorporation, the apostille must be placed on the original paper bearing the company's wet-ink signature and seal. Photocopies are not accepted. The FCDO Legalisation Office will verify that the signature on your document matches their records of authorised company signatories. Once apostilled, the document becomes legally effective in Oman without further steps. Keep in mind that some Omani authorities may request a notarised Arabic translation for their files.

What are the most common reasons for rejection when getting an apostille?

The FCDO Legalisation Office commonly rejects documents where the signature does not match their records or appears to be a photocopy. They also refuse papers with stains, creases or damage that could suggest tampering. Another frequent issue is submitting documents that were issued outside England and Wales, as these must first be certified by the relevant UK authority. The office will return rejected applications by standard post, causing significant delays. Always verify your document type and condition against their current guidance before sending.

I need to use my British degree certificate in Oman. What's the process?

Your UK degree certificate must first be certified by a solicitor or notary public who confirms it is a true copy of the original. The notary must sign and stamp the copy, and their credentials must be verifiable by the FCDO. Send this certified copy to the FCDO Legalisation Office for the apostille. They will attach the apostille sticker to the notary's certificate. Some Omani employers or universities may also require an official translation into Arabic, which should be done after the apostille is in place.

How It Works

Four steps to your Oman-ready apostille

No office visits, no queues. The entire process is handled remotely and you track every step in real time.

Prepare your document

Obtain the original document (or a certified copy) you need to use abroad, and check whether it must be notarised first.

Confirm the requirements

Verify the document is eligible for an apostille.

Submit to The Legalisation Office

The apostille is issued by The Legalisation Office, the competent authority. The government fee is £45 / document (standard postal); £40 / document next-day (registered businesses).

Receive your apostille

The authority attaches the apostille certificate, making the document valid abroad with no further embassy legalisation.

Where to go

Where London documents are certified and apostilled

These are two different offices doing two different jobs. The local register office issues the certified copy of a London birth, marriage or death record — check its current appointment rules before going. The apostille itself before use in Oman comes from the FCDO Legalisation Office, the UK's single competent authority, which accepts documents by post rather than in person.

Westminster Register Office

Certified copies of civil records (birth, marriage, death)

317 Harrow Road, London W9 3RJ

Directions →

FCDO Legalisation Office

Issues the apostille — UK-wide, by post

PO Box 6255, Milton Keynes MK10 1XX

Directions →

Document Types