Start a company
tonight.
Castwell runs it.

Tell Castwell what you're good at. It finds the idea, builds the app, puts it online, switches on payments and answers your customers — a whole company, run by AI, while you get on with your life.

Start your business →see what it does ↓
No code. No cofounder. No credit card to start.
FILING № 0042· castwell.ailive
Applicant's request
✓idea found✓app built✓it's online✓every page works✓test payment ✓✓answering customers✓first order in✓open for business✓running while you sleep✓idea found✓app built✓it's online✓every page works✓test payment ✓✓answering customers✓first order in✓open for business✓running while you sleep
One system. Every job.

Castwell is your whole team.

CCastwell finds your idea.
CCastwell builds the app.
CCastwell launches it online.
CCastwell takes the payments.
CCastwell answers your customers.
CCastwell runs the ads.

You'd hire a team of six for this. You hire no one.

How it works

Three moves. You make one of them.

No. 01

You say it

In plain words, tell Castwell what you're good at. No spec, no code, no decisions you're not ready to make.

No. 02

Castwell builds it

It sets up the app, puts it online and switches on payments — taking your business live one step at a time, while you watch.

No. 03

It runs

Your business opens, takes orders and pays you. You steer; Castwell does the work — day and night.

C
Why you can trust it

It only says “done” when it really is.

Every step is checked by something other than the AI that did it. No confident “all done!” that turns out to be a lie — just a business that actually works.

✓It's online and answeringhttp 200
✓A real test payment clearedcharge ✓
✓Checked by something that didn't build itindependent
VERIFIED

Quick answers.

+Do I need to know how to code?
No — not a line. You tell Castwell what you're good at in plain words. It handles the app, going online and switching on payments. You just approve the calls that are yours to make.
+What do I actually own?
Everything. It's your business, your app, your customers and your revenue. Castwell builds and runs it for you — it doesn't own a piece of it.
+Can I take over whenever I want?
Yes. Castwell runs the day-to-day, but you're the founder. Steer it, pause it, change direction, or step in on anything, any time.
CASTWELL · RUN BY AI · C

Start your company tonight.

Tell Castwell what you're good at — and watch it build you a business that runs itself.

No credit card required · free to start