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About

We built our own products this way first.

Dozens of products since 2013. Millions of monthly users. A team you could fit in one room. One principal has always owned the whole product. AI agents came later and multiplied what that principal ships.

2013 Shipping our own products since
Dozens Products built end to end
M+ Monthly users across our products
1 room The size of the team that built them

We are not a bigger team. We are a different unit.

A vendor built on hours behaves like one. We are built on a principal and a swarm, and we behave like that.

01

There is no team to assemble, so the work starts the week you sign.

02

Our cost is not headcount, so the price is fixed to the scope.

03

A swarm works only from what is written, so nothing is skipped and nothing leaves with us.

01 Why we exist

Software delivery should not be a headcount problem.

Since 2013, one principal has owned each of our products end to end. The swarm came with LLM APIs. One room now ships what used to take a floor.

The unit

Hours versus a finished system

  1. 01 Hours A team is assembled, ramps, and bills until it stops. You own what is left.
  2. 02 UNIT01 One principal and a swarm. A fixed price for a finished system.
  3. 03 Result You accept a system your team can run. Not a timesheet.
The unit you buy decides everything else about how a vendor behaves.
02 Where the work lives

We do not become the system you depend on.

Code and data sit in your accounts from the first commit. We never host the product. Our access is removed when you accept.

Yours

Nothing we built stays ours

  1. 01 Code In your accounts from the first commit.
  2. 02 Brand Your name. Your customers. Your market.
  3. 03 Access Our keys are removed when you accept. No leftover claim.
The product is yours before we send the last invoice.
03 Before you write

Security can review us first.

Send the questionnaire. We answer with named people, time-limited access, logs in your systems, and where every artefact lives.

Access

Named, time-limited, then removed

  1. 01 Named A person. Not a shared login. Not an agent with a key.
  2. 02 Dated Access expires. Every use is logged in your systems.
  3. 03 Removed Cut the day you accept. Nothing of ours stays connected.
No shared login. No leftover key after you accept.

People and place

Who you meet.

01 Principal

The engineer in charge

Named in the contract. Directs the swarm, holds the quality bar, answers your call.

02 Deputy

The project does not pause

A second named person. If the principal is away, someone is still in charge.

03 Office

Belgrade. Delivery is remote.

The work lives in your accounts, not ours.

04 Write

hello@unit01.dev

What must go live, the deadline, and what done looks like.

For legal and security

Facts for counsel and security review.

Registered entity, insurance, and where the work lives. Send the questionnaire and we answer in these terms.

01 Entity

UNIT01 d.o.o. Beograd

Vodovodska 75, 11030 Belgrade, Serbia. PIB 107955125. Registration 20904453. The company is registered in the Business Entities Register at the Serbian Business Registers Agency. Director and signatory: Rade Joksimović.

02 Insurance

Professional indemnity

We carry professional indemnity. The current certificate is sent with the questionnaire. Write hello@unit01.dev if you need it first.

03 Data

Your environments

Your cloud, your data rules, your agreement. The swarm works inside your access model. We never host the product.

Questions we get asked

Company questions.

01

Are you a product company or an agency?

A product company. We have shipped our own products since 2013. We build yours the same way.

02

What is a swarm?

AI agents directed by one principal. They build, migrate data, write tests, and produce documentation in parallel. The principal reviews and decides. You never staff or manage it.

03

Is this experimental?

It is how we have run our own company for years. The products on this page were built this way and are used by millions of people.

04

Where are you based?

Belgrade, Serbia. Delivery is remote, in your accounts.

05

Can we meet the person in charge?

Yes. You meet the principal before you sign. The same person is there at go-live.

06

Can security review you first?

Yes. Send the questionnaire. We answer with how access works: named people, time-limited, logged in your systems, removed at acceptance.

Next step

Talk to the people who built these.

We come back with a first plan: what done means in your words, what it costs, and when. Then it is your call.