A convenient central London PO Box
style address – sign up and start using today

Cost effective. Established service, experienced staff. Same-day activation.

Our London WC1 PO Box & Full Address style postal services offer every option imaginable
– from same day, weekly or monthly forwarding to UK or Global addresses. We also offer same day
Scanning & Emailing of your mail or you may choose to collect in person from our Holborn offices.

Sign up and start using 27 Old Gloucester Street, Holborn WC1N 3AX as your address straight away.
We’re based in the heart of central London – an established and fashionable location for private individuals, start-up businesses and established businesses alike. Ours is truly an address to impress.

Choosing British Monomarks means you can relax – we’ve been in continuous operation since 1925
– that’s over 90 years and in that time have become THE trusted mail handling and forwarding service
to thousands of businesses and private individuals – just like you.

To start using our address services today, click on one of the ‘Sign Up Here’ buttons
which follows each service description, or click one of the ‘INFO & PRICES’ buttons
for more information about our company and the services you are interested in.


Mail Forwarding Services
2 Address Style Options

3, 6 or 12 Month Options*

From £2.08 per week

Personal or Business Use.
PO Box Style Address – Choose a Box Name or Use A Box Number Provided.
Full London Street Address Option with
FREE Registered Office Address.
We Forward or You Collect.
Same-day Scan & Email Option.
Signed For Items Accepted – ALL Couriers!
UK and Worldwide Forwarding.

Please click on the button below for an overview of the 2 Address Styles available.

Telephone Call Answering
FREE 0207 number set up

3, 6 or 12 Month Options

From £3.35 per week

Your Messages Relayed Instantly
FREE 0207 number set up
Permanent Divert Options
Experienced Operators
Seamless Call Patching To
UK & International Numbers

Virtual Office Service
Mail & Call Handling Combined

6 or 12 Month Options

From £5.77 per week

Full London WC1 Address
Permanent Divert Options
Experienced Operators
Your Messages Relayed Instantly
0207 Call Answering & Message Relay
FREE Registered Office Address

*Note: Some of the service period plans shown above are only available to personal account customers.

Contact us today for full details – we’re here to help.

Call 020 7419 5000 • Email mail@monomarks.com • or chat / leave a message with us online


Dependable, Cost-effective, & Flexible Services.  

Why choose British Monomarks?

With more than 90 years as London’s premier mail forwarding company we offer an unmatched range of business and personal mail and call answering services.

You can trust our friendly and professional team to handle your mail or calls flexibly, confidentially and securely.

Virtual Office and Telephone Call Answering Services

We also provide a complete Virtual Office Plan which is a combination of our Street Address mail and Call Answering services.

For full details of our full range of services please CLICK HERE

Have a question? We can help.

Call FREEFONE on 0800 096 1925 from the UK or 020 7419 5000.

Our online ‘Chat’ feature is always available where you can either chat online to one of our friendly operators or, if unavailable, leave us a message so we can call or email you. You will find the ‘Chat’ feature at the bottom left of this browser window.

Drop in and meet us.

We’ve been located at our offices since the early 1970’s and you’ll find us at Monomark House, 27 Old Gloucester Street, London WC1N 3AX every working weekday. We are situated between Holborn and Russell Square tube – on the Piccadilly Line.

We’d be delighted to meet you and tell you more about our services and how they might help and save you money.

We are open 9 am – 5.30 pm weekdays excluding Bank Holidays.

Flexible service options.

Sign up with us and you’ll quickly discover how our services are designed with your needs in mind and the wide range of options available to you.

Your mail can be forwarded daily, weekly, monthly or to set dates and you may change your instructions at any time as many times as you need. Collect your mail in person or have it collected on your behalf. We also offer a scan and email service which allows you to read your mail on the same day we receive it.

We accept signed for items for you including Special and Recorded Delivery letters and parcels as well as deliveries from all national and local couriers.

How to find us.

Click the map to open our location in Google Maps – Our offices are convenient for Piccadilly Line tube stations Holborn and Russell Square. Bus routes that stop near us on Southampton Row are 59, 68, X68 and 188 or, if you’re in a hurry, why not jump into a taxi?

Our History

A great deal may have changed in our 90 years in business, but you can be sure our first class service and cost-effective services have not! We’ve been working from our offices at Monomark House since the early 1970’s. Our original offices were established in High Holborn way back in 1925.

No hidden charges.

With British Monomarks you can rely on our clear, open and honest pricing policy with no hidden or unexpected charges – not always the case these days, so be sure to ask before you buy elsewhere.

Our service and itemised prices are both clear and fair, so by choosing us you can be sure that there’ll be no hidden extras or nasty surprises. Prices shown EXCLUDE VAT.

Plan Prices

Personal Post Box Plans £90 £70 £45
Personal Premium Post Box Plan £120 n/a n/a
Business Post Box Plans £115 £75 n/a
Business Premium Post Box Plan £130 n/a n/a
Personal Street Address Plan £110 £80 n/a
Business Street Address Plan £150 n/a n/a
Virtual Office Standard Plans £250 £210 n/a
Virtual Office PLUS Plan £300 n/a n/a
Telephone Call Answering Plans £145 £95 £50


Itemised Prices

Our itemised charges and refundable deposits are amongst the lowest in London. The following prices outline typical mail and call handling charges

Mail Handling Charges:

Note: Examples shown here exclude VAT
• Scan & Email: From 75p per letter.
• Letters: Forwarded/redirected 20p + p&p.
• Collected: Letters 17p.
• Collected: Parcels from 60p.
• Signed for: Letters & parcels from 60p.
• Courier collected: Parcels from £1.
• Parcel storage: £1 per day (after 14 days).

Telephone Call Handling Charges:
• Telephone messages: £1.25
• Diverted calls: Call Cost + 15%

What our customers say about us…


cloud2I have just started using your scan and email service and was pleasantly suprised when I received a second email today, with what I assume was the second post. Great service – keep it up.

Mr. P HargreavesStreet Address Service



If you need a letter or package delivered anywhere in the world then trust the Monomark ‘A’ Team – Raymond and Yvonne – cue the ‘A’ Team music…

Dr. BTStreet Address Service



I have, over many years, been given an excellent, friendly and helpful service by the staff of BM. I particularly value the kindness in things done for me during my illness.

Michael GEx street Address Customer