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Zero tolerancefor rough edges.

We design and build websites, apps and AI tools for your business. A fixed price before we start, a first version in two weeks, and progress you can see every Friday.

Start a projectSee the work

Taking new projects for Q1 2027

Mostsoftwareisrushed.Builtfromatemplate,handedoverwithproblemsstillinit,andfixedlaterbythepeoplewhohavetouseit.Weworktheotherway.Youbringusanidea—evenamessyone.Weshapeitstepbystep,andremoveeverythingthatdoesnothelpyourcustomers,untilwhatisleftsimplyworks.

Sound familiar?

Most people come to us in one of three situations. You do not need to know anything about software to work with us.

You have an idea.

You know what your customers need, but not how to build it. We turn the idea into a first working version you can show customers and investors.

A first version in about two weeks

You run on spreadsheets.

Your team spends hours moving numbers between spreadsheets, emails and other systems. We build one tool around how you actually work.

Hours back every week

Your software is stuck.

A developer left, the launch keeps slipping, or nobody dares touch it. We tell you honestly where it stands, then fix and finish it.

An honest health check first

What we build, and what we promise.

Every service comes with a promise you can check for yourself. Open a row to see exactly what you get.

Anything your customers or team use in a web browser — from a booking system to a full online platform. Fast, easy to use, and easy to change as your business grows.

e.g. a customer portal, a booking system, a members' area

What you get

  • The website or app, live
  • An admin area to manage it
  • Hosting set up on your accounts
  • Training for your team

Built with Next.js, React, TypeScript, Postgres

Apps people actually keep on their phone. Quick to open, simple to use, and they still work when the signal is weak. We handle the App Store and Google Play for you.

e.g. a loyalty app, a field-team app, a patient app

What you get

  • iPhone and Android apps
  • Published to both app stores
  • Notifications and sign-in
  • Updates after launch

Built with React Native, Expo, Swift, Kotlin

AI that answers customer questions, reads documents or drafts replies — and shows where every answer came from. We test it on hundreds of your real examples before anyone relies on it.

e.g. a support assistant, a document checker, an email drafter

What you get

  • An assistant built on your information
  • A test report you can read
  • Limits on cost per month
  • A simple way to review its answers

Built with Claude, OpenAI, Python, TypeScript

If your team spends hours a week moving numbers between spreadsheets, emails and other systems, we build the tool that does it for them — connected to the software you already use.

e.g. an order tracker, a quoting tool, a stock system

What you get

  • A tool your team logs into
  • Connections to your existing software
  • Reports and exports
  • Automatic backups

Built with Next.js, Postgres, Integrations, Automation

We design every screen so you can click through it and show it to customers before anything is built. Clear, accessible and consistent — and it looks like one company made it.

e.g. a new app, a redesign, a consistent look across products

What you get

  • Clickable designs
  • A design system for future screens
  • Feedback sessions with your users
  • Everything handed to the build

Built with Figma, Prototypes, Design system

A developer left, the launch keeps slipping, or nobody dares touch the code any more. We look at what you have, tell you plainly what state it is in, and then fix and finish it in small, safe steps.

e.g. an unfinished app, a slow website, an old system

What you get

  • A plain-English health check
  • A plan to fix it
  • Fixes without stopping your business
  • Proper handover notes

Built with Whatever you have

Services and prices

Things we have made.

Example projects built in-house to show what we can do. See all work
160.00 ± 0.02Ø 82.73A–A
Example project

Meridian

Website · Business tool — 10 weeks

One screen that shows a company's cash across all its banks — instead of forty logins and a spreadsheet.

160.00 ± 0.02Ø 43.77A–A
Example project

Halden

Mobile app · Design — 8 weeks

A patient app that books, reminds and reschedules — so the front desk stops living on the phone.

160.00 ± 0.02Ø 46.80A–A
Example project

Parse Desk

AI · Website — 12 weeks

An AI assistant that reads contracts carefully — and always shows the line it got its answer from.

160.00 ± 0.02Ø 48.84A–A
Example project

Cargo Signal

Business tool · Website — 14 weeks

See where every truck is, and which deliveries will be late, on one live map.

Five steps, no surprises.

Every project follows the same steps, in the same order. You always know where things stand and what comes next.

1 of 5

Step 1
Understand

Step 1 · 1 week

Understand

We get to know your business before we build anything: who your customers are, what is slowing you down, and what success looks like. Most failed projects go wrong here, so we take it seriously.

You get a written plan and a fixed price

Step 2 · 2 weeks

First version

Two weeks later you can click through a first working version — not slides, not a mock-up. It answers the biggest question early, while changing direction is still cheap.

You get a first version you can try

Step 3 · 4–12 weeks

Build

We build in one-week steps. Every Friday you see what is new and get a link to try it. No months of silence, no big surprise at the end.

You get visible progress every Friday

Step 4 · Every week

Check

Speed, security, ease of use and correctness are checked every week, not left to the end. If something is not good enough, it does not go out.

You get software that does what we promised

Step 5 · Launch + 30 days

Launch & look after

We launch, watch how real people use it, and fix what they find. Then we hand over cleanly to your team — or keep looking after it for you.

You get a live product, and people who know it

Promises, in numbers.

Not marketing claims — the standard every Lathly project is held to, written into every contract.
≥ 0

Speed score, out of 100

Google's own speed test

≤ 0 days

Until your first version

after the planning week

0%

Fridays with a progress update

no skipped weeks

< 0 h

Until we reply to you

on working days

Plain questions, plain answers.

Something else on your mind? Just ask us.

Not at all — most of our clients aren't. We explain everything in plain words, you will never need to understand code to work with us, and we will never hide behind jargon.

Every project gets a fixed price after the one-week planning stage, so you know the number before you commit. Most first versions take between six and sixteen weeks to build.

About two weeks after planning, you can click through a first working version. After that, you see progress every Friday.

You do — from day one. Everything lives on your own accounts, and when we hand over, you get the keys, the documentation and the training to run it without us.