New in your dashboard
Mail Merge turns a spreadsheet of up to 100 UK addresses into individually printed, enveloped and posted letters. Upload a CSV, map the address columns, personalise a typed letter or attach one PDF for everyone, check every proof, then pay for the whole batch from Account Credit.
Sign in required. UK addresses only.
| name | postcode | reference |
|---|---|---|
| Priya Lambert | LS6 2QT | INV-1042 |
| Tom Haverford | BS3 4RN | INV-1043 |
| Gwen Ellery | SY8 1AX | INV-1044 |
Letter 1
Dear Priya,
Your reference INV-1042 ...
Letter 2
Dear Tom,
Your reference INV-1043 ...
Letter 3
Dear Gwen,
Your reference INV-1044 ...
The afternoon you get back
Copy a name, paste it into the letter, print, fold, stuff, write the envelope, find a stamp. Repeat until the list ends or the toner does. Then queue at the post office.
Mail Merge keeps the bit only you can do, deciding what the letter says and who gets it, and hands the rest to us. Your spreadsheet already knows the names and addresses. We use it to print each letter, envelope it and post it from the UK.
Six steps, all in your signed-in dashboard. Prefer the single-letter walkthrough? Read how it works.
A header row and up to 100 UK recipients. Save from Excel, Google Sheets or your accounts package as CSV first.
Tell us which columns hold the name, address lines, city and postcode. Extra columns stay available for personalisation.
Type a letter with {{column}} fields filled from each row, or attach one PDF that goes unchanged to everyone.
Open each recipient's actual print-ready PDF, see their page count and price, and exclude invalid or duplicate rows on purpose.
One payment covers the whole batch. Short on credit? Top up and come straight back to the same batch.
The queue runs on our servers after payment. Each recipient becomes an ordinary order with its own status.
Choose one per batch. They do not mix.
Write the letter in the dashboard and drop in fields from any column heading. Each row fills its own copy.
Send Letters OnlineDear {{name}},
Your rent review for reference {{reference}} takes effect next quarter.Start from one of our letter templates if a blank page slows you down.
Already designed a newsletter or notice? Attach it once. The same unchanged PDF is printed for every recipient, with their own address page in front.
Not a variable-data PDF: the content cannot change per row.
One header row, one recipient per row. Your headings do not have to match ours exactly because you map them on upload, but these are a good start. Every column can also be used as a {{field}} in a typed letter.
The address check looks for a sensible UK format and missing fields. It is not a guarantee that an address is deliverable.
Download sample CSV| name | line1 | line2 | city | postcode | reference |
|---|---|---|---|---|---|
| Priya Lambert | 14 Orchard Row | Flat 2 | Leeds | LS6 2QT | INV-1042 |
| Tom Haverford | 3 Mill Lane | (blank) | Bristol | BS3 4RN | INV-1043 |
| Gwen Ellery | The Old Forge | High Street | Ludlow | SY8 1AX | INV-1044 |
| Callum Reid | 27 Kelvin Drive | (blank) | Glasgow | G20 8QG | INV-1045 |
Fictional names and addresses for illustration.
The whole batch is paid in one go from Account Credit. If the balance is short, top up and you return to the same batch. Debiting credit you have already funded adds no extra card fee. Rates are the same as an ordinary order, listed on pricing; there is no subscription and no promised bulk discount.
After payment the queue runs on our servers. Payment confirms the order; it is not proof of posting. First Class, Second Class and other services are available. Orders are generally worked against a UK 2:30pm working-day cutoff, but a larger batch is not guaranteed to leave the same day.
Every recipient then appears as an ordinary order with its own status. Tracking and proof of postage appear only for services that support them, once that letter is posted.
Small UK organisations with a list, a letter and no postroom. More on sending as a team on our business letters page.
Rent reviews, inspection notices and renewal letters to every tenant, each with their own property reference.
Statements and polite reminders addressed by name, with the invoice number pulled from your sheet.
AGM notices or membership letters as one shared PDF to everyone on the list.
Recall and appointment letters where a properly posted letter still matters to the reader.
Plainly stated, so you can decide before you sign in.
Need letters from your own software or an AI assistant instead? The REST API and MCP server create individual orders. Mail Merge does not require or grant API access. Recipient data handling is covered in our privacy notice.
It is a feature in your signed-in dashboard that takes a CSV of up to 100 UK recipients and creates one ordinary letter order per row. We print each letter, put it in an envelope and post it from the UK, so you do not need a printer, stamps or a postroom.
Yes, if you use a typed letter. Add placeholders such as {{name}} or {{reference}} that match your CSV column headings and each letter is filled in from its own row. If you attach a PDF instead, the same unchanged PDF goes to every recipient. Variable-data PDFs are not supported.
A CSV file with a header row. Map your columns to the address fields (name, address lines, city, postcode) and keep any extra columns, such as a reference, for personalisation. Excel workbooks are not uploaded directly, so save your sheet as CSV first.
Up to 100 UK recipients per batch. An attached PDF can be up to 10MB, and each document can have up to 100 content pages. Each letter is quoted from its own page count.
Yes. You can open the actual private print-ready PDF for each recipient, including the address page and any blank spacer page needed for double-sided printing. You see an itemised quote and can deliberately exclude invalid or duplicate rows before you pay.
The full batch is paid in one go using Account Credit. If your balance is too low you can top up and return to the same batch. Paying from credit you have already funded adds no extra card fee. Mail Merge does not need or grant API access.
No bulk discounts are guaranteed and there is no subscription. Each letter is priced in the same way as an ordinary order. See the pricing page for current rates.
After payment the batch is queued and processed on our servers, so you can close the page. Payment confirms the order, not posting. Orders are generally handled against the UK 2:30pm working-day cutoff, but a larger batch is not guaranteed same-day dispatch.
Each recipient becomes an ordinary order with its own status. Tracking and proof of postage are available only where the chosen service supports them and the letter has been posted.
No. Every recipient must have a UK address, and letters are printed and posted from the UK. This is not an international mail merge service.
No. The CSV check looks for a sensible UK address format and missing fields. It cannot confirm that someone lives at an address or that Royal Mail will deliver it.
A saved draft is kept for 30 days without changes, and you can delete it yourself at any time. See our privacy notice for how recipient data is handled.
Not as a public batch endpoint. The REST API and MCP server are separate routes for creating individual orders from your own software or an AI assistant. Mail Merge itself runs in the dashboard.
Sign in, upload a CSV and review every proof before you pay.