UK's handwritten letter service, at scale
Make every word count.
Cut through digital noise.
Real pen on real paper, real handwriting styles,
written by robots.
You type. We write.
Why handwritten mail works
99%
of handwritten mail is opened
20%
average email open rate
5×
the response rate of email
As easy as an email
Type it once. We handle printing, handwriting and posting — on demand or in bulk.
- 01
Upload your stationery
Upload your design or ask us for assistance.
- 02
Write your message
Type once. Personalise with names, codes and dates using merge fields.
- 03
Choose recipients
One letter or thousands — upload a list or connect via an API.
- 04
We write & post
Our robots pen it with real ink on real paper, with real handwriting styles, posted on your behalf or to you!
Real handwriting, many hands
over 100 stylesDear Sarah, thank you for your business this year.
Dear Sarah, thank you for your business this year.
Dear Sarah, thank you for your business this year.
Dear Sarah, thank you for your business this year.
Dear Sarah, thank you for your business this year.
Dear Sarah, thank you for your business this year.
And over 100 more — matched to your brand and tone.
Complete control, every letter.
Shape a handwriting brand that's unmistakably yours — right down to the imperfections.
Control the defects
From none and minimal through to extreme, you decide exactly how much natural imperfection appears — dialling your handwriting brand in precisely.
Every letter is unique
Our advanced engine varies kerning, line spacing and character shapes as it writes — so no two letters, or even two of the same letter, are ever identical.
Genuinely handwritten
Real pen on real paper with lifelike variation throughout, so every line reads as written by hand — never printed.
A product for every message.
Penned offers a range of standard products — and we work to your needs. We're as flexible as we can be, as long as it can be written on.
A4 Letter
Full-page letters
210 × 297 mm
approx. 700–900 characters
A5 Note & Card
A generous note
148 × 210 mm
approx. 350–450 characters
A6 Card
A pocket card
105 × 148 mm
approx. 150–250 characters
DL Compliment Slip
A short slip
210 × 99 mm
approx. 200–300 characters
Handwritten Envelope
Written & sealed
DL · C5 · C6 · bespoke
Recipient name & address
Bespoke
If it can be written on, we can do it
Any size or format
Tell us what you need
Character counts are a guide only — actual capacity varies with the handwriting style, spacing and formatting you choose.
Custom wax seals
Your logo or design in a custom wax seal — really sealed, not glued on.
Learn more →Inserts & items
Add flyers, inserts or a small item alongside your letter.
Real postage
Postage is never charged at a premium. Real stamps, really put on.
120gsm laid. Felt, not just read.
Choose textured laid stock for A4 letterheads and A6 cards — the weight and grain do quiet, expensive work the moment your letter is picked up. We can use a range of stocks to suit your brand and preference.
Every letter, one of one.
Merge in first names, unique coupon codes, renewal dates — anything in your data. Each letter is generated individually, with natural variation so no two look alike.
Your template
Happy birthday for the 14th of June!
Here's a little gift of {{coupon}} off to celebrate, with our thanks for a truly wonderful year.
Best wishes,
Team Acme
Becomes, on paper
Your letterhead. Your card. Your message.
We write on your own branded stationery, or print your design onto premium stock for you. Add inserts, a flyer or a wax seal — we can be as bespoke as you need. Whatever arrives stays unmistakably yours.
- Use your own stationery, or we print your design
- Add inserts, flyers or a wax seal
- Bespoke formats and finishes to match your brand
Priced to your volume.
We believe in quality and being the most competitive in the UK. Pricing is matched to your stationery type and message length — whether that's an A6, a DL compliment slip or an A4 letter. Our premium standard stock impresses while keeping the best possible price.
From as low as
39p
And up to
£2.50 a letter
Ex postage — postage charged at cost price. Pricing based on Penned's standard stationery.
Automate your campaigns.
Connect Penned to your stack with our REST API or via Zapier. Trigger handwritten letters on demand or in bulk, and let us do the writing. Need something more? We support custom and bespoke solutions.
REST API
A clean REST API to trigger and manage handwritten letters directly from your own systems.
Zapier
Connect thousands of apps with Zapier and automate your campaigns — no code required.
Custom & bespoke
Something more specific? We'll build a bespoke integration around your workflow.
See it for yourself.
Request a free sample pack — an A4 letter, an A6 card and a note, complete with a wax seal.
Request a sample packOr talk to us: [email protected] · 0333 090 9406