Coretheus builds the bespoke operational system your business runs on. You pay only when it works.

Built & funded by us

We build. You pay when it works.

Bespoke operational software for your business, at zero upfront cost.

core · live

We design and build the custom solutions your business runs on.

Book a free discovery
01 The bottleneck

You can't scale a business on fragile workflows.

Fragmented tools and scattered data quietly build a ceiling over your growth. The makeshift habits that got you here are exactly what hold you back next.

More errors & delays

Re-keying data by hand from one place to another always leads to costly mistakes.

Loss of control

Leadership can't see the full picture when information lives in a dozen places.

Key-person dependency

Too much rests on the few people who "just know how everything works."

Scaling is impossible

Every new client or hire pushes a manual setup one step closer to breaking.

02 The choice you're used to

Two frustrating options. We built a better one.

When companies look for software, they hit the same two dead ends. Coretheus is the best of both: the precision of a custom build with the predictability of a subscription.

Option A · Off-the-shelf
You adapt to the tool

Generic features, growing fees, and a workflow you didn't design.

Forced, one-size-fits-all workflows
Endless add-on and seat fees
Inflation-indexed pricing
Option B · Traditional custom
You pay before it works

Six-figure upfront, months of risk, and the upkeep becomes your problem.

High upfront cost just to start
Long, uncertain delivery
Hidden maintenance bills
The Coretheus way
We build to fit. You pay when it works.

Bespoke precision, predictable monthly economics, zero cost until acceptance.

Free discovery & proposal
Build phase funded entirely by us
One fixed fee, after delivery
03 How it actually works

The risk stays with us, until your system works.

A two-act journey, divided by a single, unambiguous gate: your acceptance. Everything before it is funded by us. The monthly clock starts only when you say yes.

Act 01 · We invest
Discover · Plan
Build · Test
Your cost€0while we build
Acceptance
your single gate
Act 01 · We invest

Discover · Plan · Build · Test

€0while we build
Acceptance · your single gate
Act 02 · You subscribe

Launch · Train · Operate · Grow

Fixed feemonthly, after launch
Free discovery

The first call, full proposal, and pricing estimate are entirely free.

Zero upfront fee

No setup cost. We fund the engineering phase end to end.

Pay on acceptance

The monthly clock starts only when you accept the delivered system.

One fixed monthly fee

A single predictable subscription. No add-ons sprung on you later.

No inflation hikes

We never automatically index your fee to inflation. Ever.

Maintenance included

Up to 100% of technical maintenance is covered inside the subscription.

04 What we build for you

Built exactly the way your company works.

From the system your team lives in every day to the automations that quietly take the busywork off your plate. All built around your process, not a template.

Core operations

  • Custom business systems
  • Project & task trackers
  • Employee management
  • Secure client portals

Automation & data

  • Office process automation
  • Document generation
  • Live dashboards & reports
  • Automated email reporting

Specialized tools

  • Custom AI assistants
  • Mobile applications
  • Custom marketplaces
  • Pricing calculators
Infinite scope. Built exactly the way your company needs it.
05 After the launch

We don't disappear when it goes live.

Going live is the beginning. You keep working with the same people who built your system, not a rotating helpdesk.

Guided onboarding

Role-specific manuals and step-by-step walkthroughs so your team starts confident.

A dedicated caretaker

A named point of contact on our side who knows your system inside out.

Ongoing care & hypercare

We maintain it, fix issues, and keep it evolving while you grow.

Your own client portal

Track progress, sign documents, and manage the collaboration in one place.

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Drop your name, email, and phone number. We'll reach out to map your workflows and scope your system. The first conversation is free.