Bulk mailing for businesses - printing, inserting and dispatch

Our specialization is comprehensive mass mailing. We take over time-consuming tasks from your team. We provide professional services enveloping letters and automated envelopes for companies. Whether it's daily mail or complex mail enveloping correspondence- we guarantee compliance with GDPR and ISO.

We provide full mail outsourcing and certified law firm outsourcing. If you are overwhelmed with everyday life mass mailing support, our external law firm will take over this process, reducing the costs of your office (SSC).

Modern business correspondence services
Serial and bulk correspondence

From uploaded files to confirmed dispatch

See how we securely turn client data and documents into prepared, dispatched and fully reported business mail.

Every order, shipment and confirmation status is available online in e-COK.Track in e-COK →
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Secure file upload

The client signs in to the Document server under Documents and securely uploads production files.

Is mail merge paralyzing your company?

  • Monthly printing mail merge like e.g. bulk invoice sending paralyzes professional employees?

    We provide safe printing and sending invoices for companies. As part of financial process management, we also carry out: enveloping invoices and bulk sending payment requests. Your accounting gains peace of mind.


  • Are you afraid of the risk of GDPR, data leakage and financial penalties when manually processing sensitive information in the office?

  • Having trouble coordinating your shipment with the Shared Services Center (SSC)?

    We guarantee hermetic, confirmed document circulation ISO certified (27001,27002, 9001, 22301). Ours mail merge is a closed, monitored system trusted by leaders in the financial and medical industries. We eliminate the risk of human errors, giving directors and management boards what is most important - Holy Peace.

Full automation of company correspondence.

  • Step 1: Upload Files (Confidentiality)
    • Secure data transfer in our proprietary COK system (Correspondence Service Center). Certified processes (ISO) guarantee confidentiality.

  • Step 2: Processing (Automation)
    • Printing, folding and automatic enveloping. Zero manual work on your side.

  • Step 3: Broadcast and Report (Control)
    • Sending correspondence and providing detailed reports (including cost reports for SSC).

Industry leaders trust us.
Your data and processes are in safe hands.

  • Global Leader in Payment Services (FinTech)

    • Challenge: Handling sensitive financial correspondence and stringent audit requirements.

    • Result: Full compliance with ISO standards and error-free shipment records.

    • Reference quote: "Tasks carried out while maintaining the highest safety standards, which is an absolute priority in our industry."

  • Top Brand of Medical Solutions

    • Challenge: Paralysis of the administrative team by manual envelopes of medical records.

    • Result: Eliminate manual work and reduce operational costs.

    • Reference quote: "The cooperation allowed us to significantly reduce time and costs. Tasks were carried out while maintaining the highest safety standards."

  • Global Manufacturer (Industrial & SSC)

    • Challenge: Distributed correspondence and difficulties in reporting costs for the Shared Services Center (SSC).

    • Result: Process centralization and dedicated online cost reports.

    • Reference quote: "The company ensures effective cooperation with the group's SSC and immediate response to inquiries."

Calculate how much time and costs your company will save
(no obligation quote)

Technology, process and complete control

We combine efficient document handling with tools that give teams current access to statuses, reports and confirmations.

Modern automated correspondence handlingAutomated insertion of business documents

Let’s talk about what we can do for you and which process to improve

Verify our company

Check BackOffice Outsourcing’s current credentials on the official services.

Convenient online payments

Payments processed by Stripe

  • BLIK
  • Visa
  • Mastercard

Standards for our processes

We apply these standards in our processes and procedures.

ISO 9001:2026Service quality
ISO/IEC 27001:2022Information security
ISO 22301:2019Business continuity
ISO/IEC 27002:2022Information security controls
ISO/IEC 27701:2025Privacy management
ISO 37500:2014Outsourcing governance
ISO 15489-1:2016Records management