Drawings and material samples on a site table inside a Spanish villa under renovation
01 · Why We Exist

One contact.
One contract.

Building or renovating in Spain usually means juggling an architect, a builder, a dozen trades and a town hall, often in a second language. Most of our clients don't want to manage that. They want one trusted partner who does.

That is what ARC is: a single team accountable for the whole journey, with transparent costs, clear communication in English, and a process you can follow from anywhere in the world.

02 · How We Work

Principles we
build by.

I

Full accountability

One team owns the result: design, licences, construction and finishing. No finger-pointing between contractors.

II

Transparent costing

Clear estimates and milestone payments, so you always know what you're paying for and when.

III

See it first

LiDAR scans, 3D models and photorealistic renders mean every decision is made with the finished space in view.

03 · Who's behind ARC

An engineer's eye
on every build.

ARC Design is a Costa del Sol studio that takes homes from first sketch to handing over the keys. Design, licences, construction and interiors under one roof, led by a structural engineer who checks the numbers before anything is built.

John-Kyle Oberholzer, founder of ARC Design, at a villa pool above Mijas
John-Kyle Oberholzer
Founder & Principal
04 · The founder's story

From big projects
to better homes.

Born in South Africa, raised in Europe and trained as an engineer in Australia, John-Kyle spent his early career in commercial real estate, mining and energy. ARC brings that same discipline to homes: plans are checked, quantities are measured and costs are known before work starts.

South Africa · Switzerland · Netherlands

An international start

Born in South Africa, then Switzerland, and grew up in the Netherlands. Three countries early on, which is why working with clients from all over the world comes naturally.

Australia

Real estate, mining and hydrogen

Graduated with an Honours degree in Civil and Structural Engineering and started out in commercial real estate, then worked as a project engineer in mining before moving to a hydrogen conversion facility. Big sites teach you to plan properly, measure everything and keep to budget.

Spain · 2023

ARC Design, Mijas

Started ARC as an engineering consultancy, then grew into residential design and construction. The same discipline, now for homes on the Costa del Sol: one team, honest numbers and drawings done properly before anyone picks up a tool.

A note from John-Kyle

“I started ARC because building here shouldn't mean managing a dozen people in a second language. You should have one person who knows the drawings, the numbers and the site, and who picks up the phone.”

Signature
John-Kyle Oberholzer · Founder
The team

Michal Luníček

Project Coordinator

Originally from Slovakia, Michal holds a Bachelor's degree in Business Economics and comes from real estate and investment advisory on the Costa del Sol. Day to day he coordinates our contractors, suppliers, architects and engineers, covering site supervision, planning, procurement, quality control and client communication. He also helps clients assess properties, investment opportunities and renovation feasibility.

“I believe trust is built through transparency, honest communication and keeping our promises. My priority is that every client feels informed, confident and supported throughout their project.”

Speaks Slovak, Czech, English and Spanish, with good Polish and basic Russian.

05 · Where We Work

Rooted in Mijas,
working worldwide.

Home base

The Mijas corridor

Every service, from licences to full construction, delivered on our doorstep.

Growing

Málaga & Marbella

Construction, higher-end residential work and developer partnerships along the coast.

Remote

International

Renders, visualisation, construction animations and technical consulting, anywhere.

Begin

Let's talk about
your project.

Most of our work comes from referrals. We'd like to earn yours.

Get in touch