Ocultia: an anonymiser to use AI without leaking private data
Anonymise text and documents before pasting them into ChatGPT, Gemini or Claude. It runs in your browser, with no install or account, and your data never leaves your computer.
We turn complex digital challenges into products that actually work
A senior, agile team, with the closeness of a studio and none of the drawbacks of a big consultancy.
You need us if you're looking to...
Validate an idea before betting on it
Strategic design, prototyping and real experiments to learn what to build.
Turn that idea into a real product
We design and develop it custom and take it all the way to production.
Apply AI to your business for real
Applied AI, automations and LLM integrations, with privacy by design.
A team that takes it all the way
Full cycle, from consultancy to launch, with no vendor lock-in.
25+years of experience15+years as a studio200,000+users reached10+sectorsTourismFinancePublic sectorCultureEnergyUnionsInternational cooperationFood & drinkSecuritySportsEngineeringEducationJournalismIndustry
Lostium Products
Our showcase of in-house digital products.
PRO
Ocultia
AI privacy tool
Automatically anonymize documents before sharing them with any AI, or making them public.
PRO
AI First Kit
AI for your company
A complete kit to make AI the strategic engine of your organization: secure, scalable and built on open standards.
Fromadoc
Edtech tool
Automatic generation of online courses. Turns a Word or Google Docs document into an interactive course, no CMS.
AI Talk
TTS WordPress plugin
A WordPress plugin that turns your texts into audio with synthetic voices, integrating Google Cloud Text-to-Speech.
The project that's getting stuck
An ambitious idea that no one quite knows how to ship. A platform that has outgrown itself or needs new tooling. Applying AI to automate processes, API integrations, local LLMs... The kind of challenge where others stop halfway.
That's exactly where we come in
We design and develop the custom digital product you need and take it all the way to production: Angular web apps, applied AI and automations, integrations with LLMs and third parties, advanced WordPress. One team, from consultancy to launch.
Why Lostium
Expert, stable team
The same people from start to finish, no churn.
Real speed
From concept to a working MVP in weeks, not quarters.
Full-cycle and flexible
From consultancy to production: technical direction, mixed team or turnkey.
Applied AI, privacy by design
Real AI, optionally self-hosted, and built into your project.
No vendor lock-in
Custom-built products, with no ties to a single provider.
We build our own products
Not just hours: we ship real products of our own.
A small team, big results
You'll always talk to the people who actually build your product, not a salesperson. An experienced, creative team, more responsive and agile than your Typical Consultancy®, that gets to know your business and delivers real impact.
We solve complex problems
A hands-on, strategic design approach with rapid prototyping and real experiments, plus tech consultancy and research to make sense of where technology can take your business.
We're based in Madrid ♥, but we collaborate with companies worldwide.
Lostium Labs
Side projects and experiments where we try out ideas and technologies.
Hottest
Club del Picante
For spice lovers
A club for spicy-food lovers, packed with curiosities, recipes, products and the spiciest city guides, starting with Madrid.
FermentApp
iOS & Android App
Gastronomic training platform in app format. A hands-on crash course for homemade Ferments & Pickles designed, developed and beautifully illustrated entirely by our studio.
RaceRoar
Live race tracking
Share your live position. RaceRoar estimates when you'll reach every point on the course, with no sign-up and no personal data.
Need help with your digital project?
We have 25+ years experience in retail, telecom, tourism and financial services. And 15+ since we founded our studio. These are some companies we've worked for and/or are our current clients.
