Websites & landing pages
Custom-coded, not templated. Sub-second loads and perfect Lighthouse scores, so Google and your visitors both like you.

I design and build fast, high-converting websites and web apps for small businesses, so bookings, leads and sales keep coming in without the DMs and notebooks.
10+ happy clients · Free consultation · Unlimited revisions

Alpaka Ranč Slovenija ran every booking through Instagram DMs and a paper notebook. One week later they had a booking system that runs itself.
5+ hours a day answering booking DMs and scribbling reservations into a notebook. No analytics, lots of double-checking.
A 4-step online booking flow with an admin dashboard, calendar views, SMS reminders and analytics.
“The system is simple, transparent and practical. It saves us a lot of time every day. Antonio is very fast. Top recommendation!”




From a one-page site to a full booking platform: designed, coded, hosted and looked after by one person.
Custom-coded, not templated. Sub-second loads and perfect Lighthouse scores, so Google and your visitors both like you.

Booking systems, CMS dashboards and internal tools that replace spreadsheets, DMs and notebooks for good.

Brand-first layouts that make you the obvious choice.
See who visits, what they click and where they drop off.
Content and structure that get you found on Google.
Domain, SSL, hosting and updates. Handled.
The DMs, the missed calls, the “is Saturday free?” A website that works answers all of it before it ever reaches your phone. You just get the good news.

A fast, dark and confident landing page for a car coding & tuning shop, built to turn Google searches into booked appointments.
Next.js · Tailwind · Framer Motion
See all projects

Online coaching site with program sign-ups. 2024 · Next.js

Premium detailing studio with a booking CTA. 2024 · Next.js

Property search landing for a local agency. 2024 · Next.js
No theory. This is exactly how the Alpaka Ranč booking platform came together, step by step.
Miha & Jaka explained the chaos: bookings in Instagram DMs and a paper notebook. We agreed on a plan, a fixed price and a launch date before hanging up.
Miha & Jaka explained the chaos: bookings in Instagram DMs and a paper notebook. We agreed on a plan, a fixed price and a launch date before hanging up.


I designed the booking flow around how their guests actually book (on a phone, in under a minute) and built it with Next.js, Supabase and Twilio.
I designed the booking flow around how their guests actually book (on a phone, in under a minute) and built it with Next.js, Supabase and Twilio.


They clicked through the real thing on their own phones and left comments. Every change went live the same day.
They clicked through the real thing on their own phones and left comments. Every change went live the same day.
“It saves us a lot of time every day. Antonio is very fast. Top recommendation!” Miha & Jaka
The booking site went live. The notebook retired. Within the first month:
The booking site went live. The notebook retired. Within the first month:
“It saves us a lot of time every day. Antonio is very fast. Top recommendation!” Miha & Jaka
Clients say the booking system is simple, transparent and practical. It saves them a lot of time every day and that Antonio is very fast.Miha & Jaka, Alpaka Ranč Teammates call him the person I’d always want on my team, someone who explains things clearly and is always leading by example.Mirko Š. He has enormous technical knowledgeHana H. and a commitment that’s unmatched.Marko J.
Miha & JakaAlpaka Ranč owners
Zagreb, Croatia · working worldwideI’m the founder of AS Agency and a tech lead with 5 years of professional software development behind me. No account managers, no hand-offs. You talk to the person who designs and writes your code.
My goal is simple: websites and web apps that don’t just look good, but solve real business problems: more bookings, more visibility, less busywork. Your success is my success.
Antonio Šumak, CEO & tech lead
Still unsure? Ask me anything on a free 30-minute call.
Most customers check you online before they call. A fast, clear site builds trust, answers questions for you and brings in leads while you sleep.
Usually within a few days of our call. I only take a couple of projects per month, so check the availability badge above, or just ask.
A landing page or simple website: about 1–2 weeks. Bigger web apps: a few weeks to a few months, depending on scope. You get a fixed launch date before we start.
It depends on scope, and you get a fixed quote before any work starts. Websites start at €750. Estimate your price with the calculator.
If I don’t think I can help, I’ll tell you on the free call, so no wasted money. Once we start, revisions are unlimited until you’re happy.
A fixed price agreed upfront. 50% deposit before we start, the rest after delivery, when you’re happy with the result.
Let’s talk about your idea on a free, friendly 30-minute call. You’ll leave with a clear plan and a fair quote.