We design brands, craft interfaces, and ship the software that carries them.

Brand meets technology.

Start a conversation → See our work

What we do

Four crafts. One studio.

We move between disciplines so your brand, product, and code speak the same language.

01

Branding

Identity systems, visual language, brand rules. Brand as a working system, not a static logo.

  • Identity & logo
  • Visual systems
  • Brand guidelines
02

UI / UX Design

Interfaces that respect attention. Research-led, design-system grounded, ready for engineering.

  • Product design
  • Design systems
  • Prototyping
03

Development

Websites, web apps, and mobile apps. Built to be fast, maintainable, and a pleasure to extend.

  • Web & mobile apps
  • Marketing sites
  • Ongoing maintenance
04

Marketing

Social, paid campaigns, and search. The channels that put the work in front of people.

  • Social & content
  • Paid campaigns
  • SEO & analytics

How we work

A short, honest process.

No bloated decks, no theatre. Four steps from first call to launch, repeated until it is right.

  1. 01

    Discover

    We learn the business, the audience, and the constraints. Decisions over assumptions.

  2. 02

    Design

    Brand direction and interface design move together. You see real work early, not vibes.

  3. 03

    Build

    Engineering starts the moment the design is sharp enough. Small releases, fast feedback.

  4. 04

    Launch & care

    Launch is a milestone, not the end. We stay close to ship updates and watch the metrics.

Marketing

Launch is where marketing starts.

A sharp brand and a fast product still need people to find them. We run the channels that bring them, and we report on what actually moved.

Talk about growth
01

Social media & content

Profile management, posting plans, visuals, and copy. The same hands that built your brand keep it speaking every week, so the feed never drifts from the identity.

  • Content plan & calendar
  • Post design & copy
  • Community management
02

Paid campaigns

Meta and Google ads set up, targeted, and tuned against a budget you set. We start small, find what converts, then put the money behind it.

  • Meta & Google Ads
  • Audience targeting
  • Budget & creative testing
03

SEO & web analytics

On-page and technical SEO from the first line of markup, plus Analytics and Search Console wired up properly, so you see traffic, sources, and conversions in plain numbers.

  • On-page & technical SEO
  • Analytics & Search Console
  • Readable monthly reports

Marketing works best when we also made the brand and built the product: one team, no handoff. We take standalone marketing work too.

Our work

Live work, not mockups.

We are a young studio, so we would rather show one project that real people use every day than a wall of concepts. This one is in production.

Booking platform · Live in production

Studio S&K

Beauty studio · Užice, Serbia

A booking platform built for a working salon. Customers pick a service, a date, and a free slot in a few taps; the studio runs its whole day from a staff dashboard, including walk-ins and blocked dates.

  • Sign-in with a one-time code by email
  • Web push reminders before each appointment
  • Staff dashboard for walk-ins and blocked dates
  • Serbian and English

Next.js · PostgreSQL · Vercel

Private client system. Walkthrough on request.

Studio S&K booking app: the sign-in screen, the service list with prices, and the appointment time picker.

More case studies as we ship them.

Have a project in mind?

Tell us about it →

About

One team, end to end.

BAT DEV is a deliberate studio. Brand. UI/UX. Engineering. Marketing. Four disciplines under one roof, run by the same people who do the work.

We started BAT DEV because the gap between brand teams and engineering teams keeps producing the same problem: beautiful brands wrapped around clumsy products, or solid products with brands that fail to carry them.

Working as one team removes the gap. You talk to the people building your project, not to an account manager relaying messages. The brand and the build are made by the same hands.

Get in touch

Let’s talk.

A short note about your project is enough to start. We reply within one working day.