Services

What we build for startups.One team, from scope to launch.

UI/UX design, web development, e-commerce and mobile apps. Pick one or combine them. The same leads carry it to launch.

Every timeline below sits on the same 12-week scale, so you can compare them at a glance.

  • Conception
  • Implementation
  • Refinement
  • Deployment
UI/UX design01 of 04

Interfaces people geton the first visit.

Research, flows and a clickable prototype, then a design system your engineers can build from. We test with real users before anything is coded.

  • User interviews and a short findings report
  • Flows and wireframes for every key path
  • Clickable prototype you sign off
  • Design system in Figma, with tokens
Sprint, $9,500 for 2 weeksSee design work
Two designers reviewing printed screens and a Figma file at the studio table
Weekly design review, Lisbon studioFridays

Typical timeline2 to 4 weeks

Live in week 4

Web development02 of 04

Sites and web appsthat stay fast after launch.

Marketing sites and web apps on a typed stack, with a CMS your team runs. Every Friday you get a new staging link to click through.

  • Next.js or Nuxt front end, TypeScript throughout
  • CMS your marketing team edits alone
  • Performance budget checked on every build
  • Code and docs in your own GitHub
Websites from $18k, web apps from $45kWeb development in depth
VonmoFriday build 7

New pricing page is on staging

Click through it before Monday. Comments go straight to Tomás.

  • Preview deployedstaging.vonmo.com
  • Lighthouse performance98 on mobile
  • Pricing page editable in CMSSanity
Approved by youShips to vonmo.com on Tuesday

Typical timelineAbout 6 weeks for a site

Live in week 6

E-commerce03 of 04

Stores that load fastand check out in one go.

Shopify or headless storefronts, connected to the payments, stock and email tools you already use. We design checkout first, because that is where the money is.

  • Storefront and product pages, built for phones
  • Checkout with Shop Pay, Apple Pay and cards
  • Stock, shipping and email integrations
  • Analytics events on every step of the funnel
Product build, from $45kSee the Tribe store
Tribe online store product page on a laptop, linen shirts in a grid
Your bag2 items
  • Linen overshirtSand, size M€89
  • Canvas toteNatural€59
Total, shipping included€148
Check out

Typical timelineAbout 8 weeks

Live in week 8

Mobile development04 of 04

One codebase,shipped to both stores.

iOS and Android apps in React Native, tested on the phones your customers carry. We handle store review, release notes and the first updates.

  • React Native app for iOS and Android
  • Device lab testing on 20+ real phones
  • App Store and Google Play submission
  • Crash reporting and release pipeline
Product build, from $45kSee the Grubspot app
Engineer testing a food ordering app on a row of iPhones and Android phones

Grubspot 2.4

Release checklist

  • Tested on 22 devices
  • Crash-free sessions above target
  • Store screenshots approved
  • In review at Apple
App StoreGoogle Play

Typical timelineAbout 12 weeks

Live in week 12

Included

What every project includes.Whichever service you pick.

None of this is an add-on. It is how a Slipway project runs, from a two-week Sprint to a twelve-week app.

  • A named senior leadOne person owns your project and answers your messages, from kickoff to launch.
  • A staging link every FridayYou click through real screens each week, not slides or status reports.
  • A shared channelYour team and ours in one Slack channel. Replies within the working day, CET.
  • A fixed price per stageThe quote is set after scoping. Changes are priced before we build them.
  • Testing on real devicesEvery flow checked on the phones and browsers your users actually have.
  • Accessibility built inWe design and test to WCAG 2.2 AA, so nobody is locked out on launch day.
  • Your code, your accountsRepositories, design files and hosting live under your company from day one.
  • 30 days of launch supportWe watch the first month closely and fix what comes up, at no extra cost.

Three ways to work with us.Same team in each.

Any of the four services can run as a Sprint, a full build or a monthly retainer.

  • Sprint

    $9,500fixed, 2 weeks

    Best for

    Testing an idea or fixing one flow before you commit to a build.

    You get

    • Workshop and scope
    • Clickable prototype
    • Build plan and quote
  • Product build

    Most projects

    From $45kpriced per stage

    Best for

    Launching a web app, store or mobile app from scope to live.

    You get

    • Design and engineering
    • Friday staging links
    • 30 days of launch support
  • Retainer

    $8kper month

    Best for

    Shipping new features every month after launch, with the same team.

    You get

    • Monthly roadmap call
    • Two-week release cycle
    • Pause or stop with 30 days notice

Tell us what you're building.Get a scoped plan and a fixed quote.

Not sure which service fits? Describe the problem. A lead replies within one working day.