Service 07

Mailhouse services.

From a one-off member mailout to a national direct-mail campaign, we clean the data, print the letters, stuff the envelopes and lodge the lot with Australia Post.

What it is

End-to-end addressed mail.

We handle every step of an addressed mailing, data hygiene, AMAS-certified address validation, personalised printing, machine inserting, postal sortation and lodgement at the lowest Australia Post rate you qualify for.

Ideal for member communications, statement runs, fundraising appeals, renewal notices, regulatory mail and acquisition campaigns.

Envelope sorting and inserting

What's included

What you get with us.

AMAS address cleansing

Validate, correct and de-duplicate against the Australia Post PAF for max barcode discount.

Personalised letters

Each letter printed with the recipient's name, account details and tailored offer.

Machine inserting

Up to 6 inserts per envelope, OMR-controlled so the right letter meets the right inserts.

Bulk & promo lodgement

Pre-sort PreSort, Acquisition Mail and Charity Mail rates, we lodge for you.

Secure data handling

Encrypted transfer, secure on-site processing, suitable for statements and regulated mail.

Lodgement reports

Manifest, drop receipt and reconciliation, proof of postage for every batch.

Common jobs

What people use it for.

Statements

Monthly, quarterly, regulated.

Renewals

Memberships, subs, insurance.

Fundraising appeals

Charity Mail rates, reply paid.

Member comms

AGM notices, ballot papers.

Acquisition packs

Prospect mail, lift-letters.

Regulatory mail

PDS, super, compliance.

Welcome packs

New customer onboarding.

Win-back campaigns

Lapsed customers, dormant accounts.

How it works

From data file to letterbox.

  1. 01

    Data & artwork

    Secure transfer of your file plus letter, insert and envelope artwork.

  2. 02

    Cleanse & proof

    AMAS validation, de-duplication and personalised proof for sign-off.

  3. 03

    Print & insert

    Variable-data print, OMR-controlled inserting, sealing and franking.

  4. 04

    Sort & lodge

    Postal sortation and lodgement at the cheapest Australia Post rate.

Mailhouse production

Why HPM

Less postage, fewer headaches.

Good data hygiene plus the right Australia Post rate can knock 15-30% off postage alone. We route every job through the lowest-cost lodgement path it qualifies for, no upsell, no surprises.

  • One contact across print, data, insert and lodgement.
  • 25 years of secure, regulated direct mail experience.

Frequently Asked Questions

Common questions about mailhouse and direct mail.

Encrypted SFTP, secure portal upload, or direct from your CRM via API. Most lists are CSV or Excel, fine either way.

Machine inserting from 1,000 pieces, PreSort discounts kick in at 300+ articles in the right format. Smaller jobs we hand-finish.

Clean, barcoded, PreSorted mail unlocks Australia Post discounts of 15-30% off standard postage. Plus you stop posting to bad addresses.

Yes, ISO-aligned data handling, encrypted transfer and on-site processing. We work with banks, super funds and government regularly.

Yes, Reply Paid setup with Australia Post, response capture and reporting back to you on response rate.

What clients say

In their own words.

`Our year-end appeal relies on getting personalised letters out to a large and messy donor database. Horizon cleaned the data, handled the mail merge and lodged everything with Australia Post on schedule. Response rates were up on the previous year.`

La Laura J. Fundraising Manager, Not-for-Profit Client

Ready when you are

Got a mailout coming up?

Send us the quantity and format, we'll quote print, insert and lodgement.