Delivering software since 2019 · Australian-owned

We build your product, get it live, look after it, and everything we make is yours.

An idea, a prototype that can't go live, a backlog your team can't get to, or a delivery process that's slower than it should be. Whatever you bring, we build it a piece at a time: tested on every change, security designed in from the start, and documented so anyone could pick it up. Stop whenever you like and keep all of it.

Book the call → See how it works

Speed

In front of users in days, not quarters.

Cost

Fixed price when the scope is clear. No minimum term.

Validated

Built on what users do, not what they say.

Yours

Tested, documented, and yours to keep.

Since 2019

Cercury has been delivering software for clients since 2019, on top of twenty years of hands-on work across startups, Australian product consultancies, and enterprise teams in retail, telco, finance, and healthcare, where the standards aren't optional.

Where you are

Three places people come to us from.

The work underneath is the same loop and the same factory. What changes is where you join it and what the first job is. Start with the one that sounds like you.

Startup

From the first app in users' hands to the one you raise on

Pre-seed, seed, or growing on the round you just closed. We get the first real version in front of users, keep shipping as you learn, and harden it for the scrutiny that comes with the next raise. You don't have to change supplier as you grow.

For startups

Scale-up

Past the growth stage, with a team that's already at capacity

A backlog that has sat for quarters, or AI-written code nobody wants to own. We add delivery throughput, and we leave your team with spec-driven development, the gates, and the pipeline behind it.

For engineering teams

Enterprise

You want the delivery lifecycle itself automated

An AI harness built into your own SDLC, tuned to your stack, your gates, and your controls. Proven on a contained initiative first, then widened once it holds.

For enterprise

01 / What we do

Build the smallest real thing, run it, then decide.

You don't find out whether an idea works by planning it harder. You find out by putting a real version in front of people. What that costs decides how many ideas you get to test.

01 Cut it to the thinnest slice

02 Build it

03 Run it

Cut it to the thinnest slice

You decide what to build. We work out how little of it proves the point.

Most of what gets built is never really used, usually because too much was built before anyone checked. We find the smallest version that answers the question you have, and build that properly. Testing an idea costs weeks instead of quarters.

Build it

Thin doesn't mean throwaway.

The spec, the code, the tests, the checks, the deploy, with our engineers steering every stage. A thin slice built properly is tested, documented, and something you can build the next slice on. That's the difference between a first version and a prototype you throw away.

Run it

You decide what's next, we bring the evidence.

We run it, keep it monitored and patched, and track what your users do. Or you operate it on your own cloud, and we set that up and hand it over. Either way you get the evidence behind your next call: keep it, reshape it, or drop it. Then the next slice.

02 / The factory

The building part, on rails.

The factory builds in the disciplines raw AI skips: quality, security, operations, architecture, and design. Our engineers steer every stage from spec to deploy, you stay in control, and what ships is tested and built to last, code you can keep building on where the next change doesn't break the last. Design is built in too: a consistent interface in your brand and voice, not the same generic screens every AI tool ships. One feature, idea to live, below. It's what makes days, not quarters, real.

factory · idea to live elapsed —:—

Orchestrated agents

Prompt library

60+ QA gates

Deterministic + LLM

Backlog12

FEAT-251 prefs sync
FEAT-253 SSO logout
FEAT-256 audit log export
+ 9 more

Analysis2

Spec ready1

In Progress1

In Review1

Released19

FEAT-247 saved filters

human · drag factory · drafts human · drag human · approve factory · ships

The factory doesn't ship a half-passing change.

See the full walkthrough: inputs, spec, build, deploy, live

03 / What you get

A demo and a product aren't the same thing.

Plenty of tools can produce something that looks like your product. The distance between that and something you can put a business on is where the work is, and nobody shows you that before you commit. Here's the gap, item by item.

What comes out of an AI tool	What we hand you
Code that runs	Code, and tests that prove it does what you asked
No specification. The behaviour lives in the screens and in your head	A specification detailed enough to rebuild from
Secrets sitting in the client, no real auth boundary	Secrets handled properly, a real auth boundary, dependencies vetted
The next change quietly breaks the last one	15 atomic checks before a human looks at it
Screens that drift apart as the app grows	One design system, in your brand, consistent across the product
Nothing watching it, nobody on call	Monitored, patched, backed up, and someone who picks up when it breaks
Nobody to ask whether you should have built it that way	Engineers who will tell you when the answer is no
A demo	A product

Arriving with something you built in Lovable, Bolt, v0, or Replit? That's the fastest way in →

Thorough isn't the same as slow.

Everything in that right-hand column used to be why good software took a quarter and a full team. Not any more. We've spent years building the system that carries it, and we know where modern tooling can be trusted and where the work has to be a person. The tooling runs inside that system, never in place of it, and the gates don't move to accommodate it.

That's why this arrives at the price of a small team, without the right-hand column getting shorter.

04 / Once it's live

We run it. Or you do.

Someone has to keep it up, patched, and watched. Leave that with us and we run it in the cloud, keep it patched, hold the SLA, and watch how it performs, so operating it never lands on you, and someone is already looking when something goes wrong. You get a clear view of what your users actually do, and the product decisions stay yours: keep an idea, reshape it, or drop it.

Monitoring

the factory and its output

Continuous improvement

quality, speed, cost, over time

On hand

for the engineering judgement calls

Run it with us, or take it in-house.

Hosting and operations are a separate call from the build. Plenty of teams already have a cloud, an on-call roster, and a security posture they intend to keep.

Most engagements

We run it

Hosting, monitoring, patching, incident response, and the SLA sit with us. The people who built it are the people who pick up when it breaks.

Hosting Monitoring Security SLA

If you'd rather

You run it

Take it onto your own cloud and operate it yourself. You get the pipeline that ships it, the monitoring and security setup, and the runbooks behind it, and your team holds the SLA. We stay reachable for the engineering judgement calls.

Your cloud Your SLA Runbooks

The people who built it are still here when it breaks.

05 / Working together

Two ways in. Either way, we carry it through.

Most people come to us in one of two places. You don't have to take all three legs of the loop, so start where you need us.

You're not sure what to make next

End to end

You have users, or an idea, and a call that's expensive to get wrong. We cut it to the slice that answers the question, build that properly, put it in front of users, and carry it the whole way.

You know what to make, you just can't ship it fast enough

Just the build, or code and tests

A backlog, a roadmap, an idea you can't get to. We build it tested, documented, and built to last, in days. Take just the build, or take the code and tests with the pipeline that ships it and run it on your own cloud.

What we build New products · New product surfaces · Integrations · Ground-up rewrites

We work with founders at every stage from pre-seed to growth, engineering teams at scale-ups, and platform and new-venture groups inside large organisations. We keep our numbers small on purpose, so the person you talk to on the first call is the person who builds it.

06 / What you keep

Your code. Your product. Yours to keep.

Everything we make is yours to keep: the product, what you learn about your users, the code itself, and the docs behind it. No platform that can lock you out, jack up the price, or leave you unable to touch your own product. Hand it to another team, run it anywhere, or carry on without us.

We don't make ourselves load-bearing.

This matters more than it sounds, and it shows up whenever someone examines you properly. Investors look hard at whether a company can keep shipping without its supplier, and a heavy dependency on one agency is a mark against you in technical due diligence. Procurement and security reviews ask the same question in different words. Nothing we build needs us in it. The code is documented and tested, the pipeline that ships it comes with it, and your own hires or another agency can pick it up and carry on. You're buying the work, not a dependency.

What you keep · in detail

Ownership, security, exit terms, plus the full deliverables list, the test pyramid, and how the factory plugs in.

Spec
Production code
Tests
CI/CD
Architecture
UX + UI docs
Runbooks

07 / What it costs

Priced to the work, with no minimum term.

Every build is a different size, so there's no price list on this page. When the scope is clear, we fix the price. When it isn't yet, we work on time and say so before we start. Either way, you can stop at any point and keep everything.

Fixed price when the scope is clear

A defined build gets a number before we start, and the number holds. If the scope moves, we re-scope in the open rather than through change-request theatre.

Time-based when it isn't

Work that can't be sized yet, or that runs alongside your team, is billed on time at a rate agreed before we start. We tell you on the first call which model fits, and why.

No minimum term

Stop any time and keep everything: the code, the tests, the pipeline, the docs. We earn the next month on the work, not on the lock-in.

When the work gets cheaper to do, that should reach you.

Delivery has genuinely changed, and a supplier whose costs fell while its rates held is keeping a saving you're funding. We'd rather the efficiency show up in what you get for the budget: more of the build done properly, with the tests and the security work part of the build rather than quoted as extras, and someone still there to run it. Tell us what you're building and you get a real figure for it, not a range.

What's extra Extended security activity (SAST, DAST, pen testing) · CI providers other than GitHub Actions · Hosting, if we run it for you

08 / How we compare

Cercury, an agency, AI tools, in-house, or offshore.

Who should build it? Get that wrong and it follows you: a breach, a vendor you can't leave, a feature that breaks two others. What sets the options below apart is who helps you build the right thing, and whether what they ship is solid or a mess you inherit.

	Cercury	Agency	AI tools	In-house	Offshore
What you actually get	A working product, and the evidence for what to build next	A working product, built to the brief you wrote	Code	Capacity you manage	Hours of output
What the build is like	Tested, documented, built to last, yours to run	As good as the team they assign you	Whatever the model emits, yours to fix	As good as the team you hire	Varies by vendor, rework common
Design and UX	On-brand, consistent, in your voice, on your design system	Usually strong, and priced accordingly	Generic screens, clunky flows, inconsistent throughout	As good as your designers	Varies by the team you get
Will they tell you not to build it	Yes. If it shouldn't be built, we say so before you spend	Rarely, the scope is the revenue	No, it builds whatever you prompt	Unlikely, a standing team needs work to do	No, they build the brief
Who decides what to build	You do. We cut it to the smallest version that answers the question, then put it in front of users	You, in a brief written up front	You, with nothing pushing back	You and your team	You, in a brief written up front
Idea to real feedback	Days	Weeks to months per cycle	Hours to generate, weeks to ship, learning is on you	Months	Weeks per cycle
What you pay for	The work, not a standing team. Stop any time, no lock-in	A day rate, plus the account layer above it	A subscription, plus your time	Salaries, in busy months and quiet ones	Hours billed, plus the rework
What's yours at the end	Everything, from day one. Code, evidence, and the decisions behind it	The code on handover, if the contract says so	The code, edited in place	Yours, once you've built the team	The code, on handover

Tell us what you're building.

Tell us what you're trying to build, or what you're not sure you should. A 45-minute call, no pitch and no obligation. You leave the call knowing the scope, the timing, and how we'd price it. Delivering for clients since 2019; we take a founding cohort in 2026, so capacity is limited. If we're not the right team for it, we say so.

hello@cercury.ai What you keep

We earn the next month on the work, not on the lock-in.