Business Mail

Make day-to-day business post work harder for you, and save money with Royal Mail

All businesses need to communicate with your customers, and mail is one way to get important messages to them.

  • 37% of Business Mail® drives a commercial action*, making it a great investment
  • Best for sending bills, invoices, appointments and statements
  • 51% of people prefer to receive sensitive or confidential information by post**

Mail is memorable and trustworthy, and it makes your customers feel valued. Read more about the value of Business Mail, or call us to talk about how Business Mail can work harder for you.

Call our Business Mail team

Call us now

03457 950 950
Mon–Fri 8am–6pm

Why Royal Mail for Business Mail?

  • Discounts based on quantity, address accuracy, and sorting
  • Flexible options for ways to prepare and present your mail
  • Manage it all through your Online Business Account (OBA)

Mail formats

Maximum letter sizes

Format Dimensions Weight limit


Up to 240mm x 165mm x 5mm

Up to 100g

Large letter

Up to 353mm x 250mm x 25mm

Up to 750g

Large letter if machine-readable

Up to 345mm x 245mm 10mm

Up to 750g


Business Mail prices

Business Mail Rate Card (pdf, 3.51 MB)

Business Mail discounts

You can save up to 3p per letter by using our barcoded services. 

You can use the new barcoded products if:

  • You send your customers letters and large letters that we sort on your behalf
  • You currently use our standard Business Mail product (code: STL), our Advertising Mail product (code: CLN) and/or 1C & 2C Account Mail product (code: BPL)
  • You hold or set up an account with us
  • You send non-fulfilment items via your account

Find out more about barcode savings

Benefit from discounts based on the quantity of mail you send. You only need to meet the minimum threshold, starting at just 250 for machine-readable unsorted letters.

Help and technical information

Business Mail help

Product documentation and downloads

Royal Mail Business Mail Summary (pdf, 157.73 KB)

Business Mail User Guide (pdf, 391.69 KB)

Business Mail permitted items guidance (pdf, 207.65 KB) 

Account Barcode Unsorted User Guide (pdf, 1.36 MB)

Specific Terms for Marketing (pdf, 205.31 KB)


New Royal Mail Hybrid Mail

Helping you streamline your mailing processes. Create, print and send mail online in a few simple clicks
Save with Hybrid Mail
Hybrid Mail illustration

Pay for your Business Mail with Franking

Order and pay for your Business Mail using a Franking machine
Find out more
Flexible, targeted direct mail to grow your business
Advertising Mail
Send more than 20 parcels a week?
Save with a parcels account
Free mail supplies like bags and labels for business customers
Find out more


** The Value of Mail in Uncertain Times, Kantar TNS, 2017