Australian-owned · Melbourne-based
AI agents that answer calls, chase paperwork and run your ads.
We build AI agents, automations and custom apps that work inside the tools you already use. Hosted on AWS Sydney or your own servers, every action logged, and nothing important goes out without your approval.
Fixed setup and monthly prices in AUD. Live within 2 weeks of scope sign-off, or you don't pay for the build.
Price your build in a minute.
You'll get a ranked list of what to automate and a fixed-price quote within 48 hours.
Works with the tools you already use
If it's repetitive, rule-bound and eating your week, an agent can do it.
Enquiries and leads
Every call, form and email answered, qualified and booked, including at 8pm on a Sunday.
Document collection
The right documents requested, chased and filed, named and ready.
Client follow-up
Renewals, reminders and updates sent on time, without anyone chasing them.
Paperwork and drafting
Notes, reports and first drafts prepared from your data, ready for your review.
Marketing and ads
Campaigns launched, creatives tested, budgets watched and reports sent. You approve spend changes.
Back-office sync
CRM, inbox, accounting and practice software kept in step, with nothing typed twice.
Internal tools
A custom app for the process no off-the-shelf software fits.
Start small, or build something new.
Automate a process
One workflow or several, built into the tools you already use.
$1,500 setup + $499/month, up to 3 capabilities.
Run your marketing and ads
Meta and Google campaigns run by agents, watched by people, approved by you.
Marketing plan from $1,500 / month + ad spend. Website, agent platform and AI receptionist included. 12-month minimum.
Build an agentic app or MVP
A new app for your organisation, first release in your team's hands within 2 weeks of scope sign-off.
Agentic MVP from $10,000, then from $500 / month for updates and bug fixes.
Use our products
Ready-made products for specific jobs, from agent hosting to cafe operations.
Zatersio.si, LegalBox and SidekickOps.
We run our own business on it.
Running on Zatersio.si
Results from campaigns we run on Zatersio.si
The Açaí Affect
Café, Bentleigh. Zatersio's own store, runs on SidekickOps
Google Maps and Search ads with the Business Profile
2.4×
direction requests, calls up 66%
4.1×
profile views
3,240
direction requests from Google Ads at about A$1.16 each
Jul to mid Oct 2026 vs the same length before the Google Ads launch on 12 Jan 2026; ads figures Jan to Oct 2026. Source: Business Profile, Google Ads.
Stradbroke Dental
Dental, Kew
Search, Google Business Profile and Google Ads
+79%
visits from Google search
97
local search phrases on page one, up from 16
+57%
website clicks from the Google profile, calls from it up 50%
Australian visitors, Jul to mid Oct 2026 vs the 15 weeks before. Source: Google Analytics, Search Console, Business Profile, Google Ads.
Your data. Your rules. Your sign-off.
You choose where it runs:
AWS Sydney, your own server, or hardware in your office.
It asks before it acts:
client emails, lodgements and spend changes can need your approval first.
Every action is logged:
a full audit trail for compliance reviews.
Nothing trains anyone else's model:
your data is used for your agents only.
Isolated by design:
every client gets its own environment.
Some third-party services in a build, such as ad platforms or software you already use, may process data offshore under their own data agreements. Ask us on the call which ones apply to yours.
Clear prices. Live within 2 weeks of scope sign-off, or you don't pay for the build.
Headline prices
Price inc. GST
AI agents on your systems
Up to 3 capabilities, where a capability is one job for an agent, such as answering calls, following up leads or chasing documents. $750 setup for each one after that. Monthly covers hosting on AWS Sydney, monitoring, fixes and 1 user seat. Self-host for $349 a month.
$1,500 setup + $499 / monthMinimum spend $2,997 for one capability (3 months), $7,488 for two or three (12 months).
Marketing plan
Ads run by agents, a new website built and hosted, and the Zatersio.si platform for any agents you add, so you pay their setup only. An AI receptionist with 250 call minutes a month is free. From $950 a month for mechanical workshops, with the receptionist at $199 a month. Ad spend extra. 12-month minimum, then 14 days' notice to cancel. No setup fee.
from$1,500 / monthMinimum spend from $18,000 over 12 months, $11,400 for mechanical workshops.
New app or MVP
A new app or portal built for your organisation, first release live within 2 weeks of scope sign-off. You own the code we write. Most projects then run $1,500 to $2,500 a month, depending on complexity.
from$10,000Then from $500 / month for updates and bug fixes.
All prices AUD inc. GST, fixed in writing before we start. Usage at cost, itemised on your invoice: SMS and AI model tokens. An AI receptionist on the hosted platform includes 250 call minutes a month; extra minutes are 30c each. It is free, setup included, on Marketing plans of $1,500 a month or more, and $199 a month on the mechanical workshops plan. Self-hosted plans run voice on your own servers, with your own hosting and phone costs. Minimum spend excludes extra usage and ad spend.
The guarantee. If your build isn't live within 2 weeks of scope sign-off, you don't pay the setup fee or MVP price, and monthly fees only start at go-live. "Live" means your team is using the agreed core workflow. The clock starts once scope is signed off and we have access to your systems. For ads, the guarantee covers campaigns going live, not results; nobody honest can guarantee those.
Our products.
Zatersio.si
The platform every agent runs on, with an org chart, goals, approvals, budgets and an audit log. Self-host it, or let us run it on AWS Sydney.
LegalBox
On-premise AI for law firms. It runs on hardware in your office, so matter files never leave the building.
SidekickOps
AI operations for cafes on Square. Built for, and running in, our own store.
DicomVex
Medical imaging AI research, built with hospital and university partners.
You deal with the person who builds it.
Lakitha “Lucky” Sahan
Founder & Lead Engineer
I'm Lucky, founder and lead engineer at Zatersio. I'll be on your first call, I'll scope your build, and I'm accountable for it working. No account managers, no handoffs.
Thirty minutes. Then a plan and a price.
Book a 30-minute call
With Lucky, by video or phone.
Get your plan
Within 48 hours, a ranked list of what to automate and a fixed price.
We build it
Live within 2 weeks of scope sign-off, or you don't pay for the build.
Before you book.
Find out what you can hand to an agent.
30 minutes with Lucky. A ranked plan and a fixed price within 48 hours. No obligation.
Prefer email? info@zatersio.com
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