Web development & design studio

Web design and development that gets your business running.

We design and build custom websites —institutional, personal, e-commerce, and platforms—. We understand your business, build the solution, and get it running. No jargon, no detours.

Projects

Homepage of AURE's institutional real estate website with property catalog
Real estate

AURE

Institutional website and property catalog connected to the system the agency already uses. Listings, developments, and direct enquiries via WhatsApp.

Institutional websiteConnected catalogProperty listings
Fin de mes cover with the brand, tagline, and the app budget screen
Personal finance

Fin de mes Studio project

A finance manager for Argentine households: month-by-month budgeting, cards with their real cycles, installments, and two currencies. The webapp is in production; the iOS app is under App Store review.

Installable webappHousehold budgetingiOS app in review
Homepage of Impulse Buenos Aires, a sexual health and LGBTIQ+ community NGO
NGO

Impulse Buenos Aires

Institutional site for a sexual health and LGBTIQ+ community NGO. Its projects made visible, a direct channel for volunteers and sponsors, and an assistant that answers questions around the clock.

Institutional siteMulti-projectEnquiry assistant
Homepage of the bilingual editorial portfolio juansebarrio.com
Professional portfolio

juansebarrio.com

An editorial portfolio in two languages, with confidential cases behind restricted access. The digital presence of a professional whose work speaks for itself.

Bilingual ES/ENRestricted accessLight & dark mode
Homepage of the Barrio · Scarano cardiology practice website with SecretarIA built in
Healthcare

Cardiología Barrio · Scarano

A site for a cardiology practice with SecretarIA built in: it answers by text and voice, gives guidance, and leaves the appointment nearly booked via WhatsApp.

Institutional siteSecretarIA by text & voiceWhatsApp appointments
Homepage of the Hospital Universitario Aranda website with profile-based entry
Healthcare

Hospital Universitario Aranda Case study

A hospital site with profile-based entry: the experience changes depending on whether you are a patient, a company, or a health professional.

Multi-view institutionalProfile-based entryCase study
Homepage of the editorial one-pager for Observatorio, a creative studio
Creative studio

Observatorio

The brand lived on social media. We gave it a website of its own that reads like a magazine.

Editorial one-pagerBrand visual systemWhatsApp form

Products

Tailored solutions

Why JS80

We build products for millions of people. Your business is next.

Over ten years of combined experience designing products at scale, now building with the best technology on your side.

FAQ

What people ask before starting.

What kind of websites do you build?

We build custom websites: institutional sites for companies, organisations and NGOs; personal sites and portfolios for professionals; and platforms or digital products with their own logic, such as dashboards, scheduling systems or catalogs. No templates: every project is designed and coded from scratch around what you need.

How much does a custom website cost?

It depends on scope. A personal site or portfolio starts lower than a multi-section institutional site, and a platform with custom logic is another range. We work with a closed proposal: a fixed number before we start, with no hidden costs or surprises halfway through.

Do you use templates, or is everything custom?

Everything is custom. We don't start from WordPress themes or generic builders. We design the visual identity and code the site so it's fast, truly yours, and free of anyone else's "powered by".

Do I own the code?

Yes. The code is yours from day one. No monthly subscription lock-in and no permanent dependency on us: if you ever want to switch providers, you take everything with you.

How long does it take?

A simple personal or institutional site is usually ready in a few weeks; a platform with custom functionality takes longer. When we send the proposal we give you a concrete timeline, not a vague "we'll see".

Who do I talk to during the project?

One person, always the same one, from the first message to the last deploy. We're two partners, not an agency with layers of middlemen — you talk directly to whoever designs and builds your site.

Do you work with clients outside Buenos Aires?

Yes. We're based in Buenos Aires but work remotely with clients across Argentina and abroad. The whole process — meetings, progress and delivery — happens online.

Do you also build AI assistants?

Yes. Beyond websites, we integrate conversational assistants — chat or voice — that answer questions and route enquiries, built especially for clinics and services that don't want to lose leads. You can try ours right on this site.

One step away

Want to start a conversation?

Ask the assistant anything: what we do, how we work, and whether it makes sense to move forward.

Tap to talk

or email us hola@js80.studio

Both partners reply — no middlemen.