Make an Impact with One-Piece Mailers
Stand out on the doormat with sealed, secure A4 letters folded to A5—no envelope required.
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A Format That Demands Attention
Micom’s One-Piece Mailer turns ordinary mail into a moment. Designed like a payslip but built for modern marketing and secure transactional comms, this fully sealed format folds A4 into A5—no envelope, no fuss. Tear-open perforations make it easy to access, while clever folding keeps sensitive content private.
Design both the inside and outside to create an experience that’s as bold as it is secure.
Design both the inside and outside to create an experience that’s as bold as it is secure.
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Why Choose a One-Piece Mailer?
Design Every Panel
Unlike standard letters, you get full control of both inside and outside—ideal for brand storytelling, calls to action, or layered messaging.
Secure and Tamper-Evident
Printed with optional security textures and fully glued on all edges. Contents remain hidden until opened by the recipient.
Bold Format, Lasting Impression
A4 folded to A5—compact, tactile, and impossible to miss.
No Envelope Required
Fully sealed mailer arrives as a standalone item. Clear opening instructions improve the user experience.
Premium Feel Without Being Cost-Driven
This isn’t about saving money—it’s about delivering impact. Make your message the one they open first.
How It Works
Share Your Requirements
Let us know your expected volumes, preferred delivery dates, and provide a sample of your document so we can scope your campaign accurately.
Confirm Submission Method
Choose how you’d like to submit your mailings—via email, SFTP, or our secure web portal.
Send Artwork & Data
Supply your print-ready PDF artwork along with a CSV data file. We’ll check formatting and ensure everything’s aligned for production.
Approve & Go Live
We’ll provide a proof for approval before print. Once approved, your campaign is scheduled and securely delivered—tracked and audited from send to doorstep.
Designed for Everyone
Transactional mail plays a vital role in sectors where clarity, trust, and timeliness are critical.
Marketing Teams
Deliver memorable promotions, voucher mailings, or customer reactivation campaigns.
Promotions
Vouchers
Campaigns
Financial Services
Secure, compliant mail that drives action.
Use One Piece Mail to deliver sensitive, high-impact documents with speed and clarity. Personalised, tamper-resistant, and perfect for financial comms.
Invoice & statement reminders
Loan or mortgage offers
Regulatory updates or disclosures
Public Sector Organisations
Reach citizens efficiently, securely, and at scale.
Cut through the noise with mailers that combine privacy, compliance, and standout design—ideal for councils and local government.
Council tax bills & reminders
Electoral and polling notices
Public health or safety updates
Utilities & Telecoms
Essential updates that won’t get lost in inboxes.
From billing to service announcements, One Piece Mail offers a trusted, physical way to engage customers across essential services.
Service change notifications
New tariffs or renewal offers
Final payment notices
Security and Privacy
Built for compliance-heavy industries.
Where data protection is paramount, One Piece Mail provides a secure, self-contained solution—delivering trust with every item.
PIN or access code delivery
Confidential results or updates
Right to be informed notices
Hear from Our Customers
See how clients in regulated industries use Micom to simplify, automate, and protect transactional mail processes.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Switching to Micom transformed our marketing strategy. We’ve never seen such a clear improvement in response rates and engagement. The ability to integrate our physical and digital communications effortlessly is a game-changer.
Ready to Stand Out?
Be different. Be secure. Be smart. Try Micom’s One-Piece Mailer and give your communications the edge.