Otter & Stein
Websites

A website that works.

New build or relaunch, fast and without website-builder rent. Enquiry form, price calculator or direct booking where needed. Findable on Google and in AI search.

Discuss your projectSee our work
architekturagent.de
Architektur Agent on a laptop
9:41
Architektur Agent on a tablet
9:41
Architektur Agent on a phone
The situation

The website explains the offer poorly or makes enquiries cumbersome. Or it sits with a website-builder provider and costs money every month without anything happening.

The result

A site that explains your offer and brings in enquiries — as a new build or relaunch, with a form, price calculator or booking where needed. Fast, without plugins, without a cookie banner where none is needed.

Getting started

Review of what exists → site structure and content plan → design, build, handover with instructions.

IncludedConceptDesignBuildHosting setup (All-Inkl, Hostinger, own server)Legal notice and privacy templatesSitemap and llms.txt for AI searchHandover with instructions

Twelve sites — built or maintained.

Each site with a project sheet: what the starting point was, what our part is, what was built and how it runs. All sites are live — click through.

architekturagent.de
Architektur Agent on a laptop
9:41
Architektur Agent on a tablet
9:41
Architektur Agent on a phone

Architektur Agent

Own brand · building permits and change-of-use applications across Germany · 2026
Landing pageFixed-price calculatorLead backendGoogle AdsNext.js + FastAPI
Project sheet
Starting point
Building permits and change-of-use applications should be requested online — without an initial meeting, with an instant price.
Our part
Brand, site, price calculator, enquiry form, own lead backend with CRM connection, ad tracking.
Built with
Next.js as a static export, FastAPI backend on its own server, privacy without third-party cookies.
In operation
Live since June 2026. Enquiries go straight into processing.
Visit site ↗
suh-steuerberater.de
Schmid & Hackl Steuerberater on a laptop
9:41
Schmid & Hackl Steuerberater on a tablet
9:41
Schmid & Hackl Steuerberater on a phone

Schmid & Hackl Steuerberater

Tax advisory firm, Füssen · 2026
RelaunchClient areaInline editorstatic
Project sheet
Starting point
Old website-builder site, hard to maintain, structure no longer fit the firm.
Our part
Concept, design, texts together with the firm, client area, a custom inline editor so the firm can change texts itself.
Built with
Static HTML on its own server, editor in Python, no database, no plugins.
In operation
Live since September 2026.
Visit site ↗
thomaswilhelmbeckert.com
Thomas Wilhelm Beckert on a laptop
9:41
Thomas Wilhelm Beckert on a tablet
9:41
Thomas Wilhelm Beckert on a phone

Thomas Wilhelm Beckert

Maker of belts and bags · 2026
ShopWorkshopsLookbookstaticAll-Inkl
Project sheet
Starting point
Products, workshop courses and brand spread across three old sites.
Our part
New build with shop, workshop booking and lookbook, migration of old content, logo clean-up.
Built with
Static site with products from a single file; the cart is sent via WhatsApp or email — no shop system needed.
In operation
Live since April 2026.
Visit site ↗
schwaltenweiher.de
Restaurant Schwaltenweiher on a laptop
9:41
Restaurant Schwaltenweiher on a tablet
9:41
Restaurant Schwaltenweiher on a phone

Restaurant Schwaltenweiher

Lakeside restaurant and holiday flats, Seeg · 2026
RelaunchLive webcamReservationsNext.js
Project sheet
Starting point
Website-builder site with monthly rent, no webcam, no link to the holiday flats.
Our part
New build, live webcam with replay, reservations, connection of the holiday flats.
Built with
Next.js static export, webcam pipeline on its own server.
In operation
Live since April 2026.
Visit site ↗
bergwelt-hahnenkamm.at
Bergwelt Hahnenkamm on a laptop
9:41
Bergwelt Hahnenkamm on a tablet
9:41
Bergwelt Hahnenkamm on a phone

Bergwelt Hahnenkamm

Reuttener Seilbahnen, Tyrol · 2024–2025
WordPressMaintenanceHiking mapSeason change
Project sheet
Starting point
Existing WordPress site, summer and winter operation with changing content.
Our part
Winter page, parking, texts, interactive hiking map, info widget, voucher campaign.
Built with
Within the existing WordPress, without switching systems.
In operation
Maintained over two seasons.
Visit site ↗
impakt.vision
IMPAKT.vision on a laptop
9:41
IMPAKT.vision on a tablet
9:41
IMPAKT.vision on a phone

IMPAKT.vision

Consortium for building design · 2026
New buildPlan archiveAccess protectionno framework
Project sheet
Starting point
Three offices, one joint presence, plus a protected area for plan documents.
Our part
Site, texts, image editing, plan archive with access per project partner.
Built with
HTML, CSS and a little JavaScript without a build step; archive as a small backend.
In operation
Live since 2026.
Visit site ↗
maskottchen.store
Maskottchen 2.0 on a laptop
9:41
Maskottchen 2.0 on a tablet
9:41
Maskottchen 2.0 on a phone

Maskottchen 2.0

Landing page for mountain railways and hotels · 2026
Landing pagePersonalisationno external requests
Project sheet
Starting point
An offer every business should see with its own name — without building a page for each one.
Our part
Concept, site, personalisation via link, demo area.
Built with
Static, local fonts, no cookies, no tracking.
In operation
Live since August 2026.
Visit site ↗
hausmeister-dienst-fuessen.de
Hausmeister-Dienst Füssen on a laptop
9:41
Hausmeister-Dienst Füssen on a tablet
9:41
Hausmeister-Dienst Füssen on a phone

Hausmeister-Dienst Füssen

Caretaker service, Füssen · 2026
Existing site preservedContact formMaintenance
Project sheet
Starting point
The site sat with a website-builder provider and was to keep running on its own server — just as it was.
Our part
Existing site preserved and moved to its own server, contact form rebuilt.
Built with
Static mirror plus a small form backend.
In operation
Live since May 2026.
Visit site ↗
sinunis.de
SINUNIS Architektur & Planung on a laptop
9:41
SINUNIS Architektur & Planung on a tablet
9:41
SINUNIS Architektur & Planung on a phone

SINUNIS Architektur & Planung

Architecture office, bilingual · 2026
German + ArabicEnquiry formstatic generator
Project sheet
Starting point
Building design for Arabic-speaking clients in Germany — advice in both languages.
Our part
Technology for both languages and writing directions, enquiry form, WhatsApp Business connection; Waleed supplies the content.
Built with
Custom static generator, sitemap and llms.txt for AI search.
In operation
Live since August 2026, under the name SINUNIS since October.
Visit site ↗
allgaeu-ferienapartments.de
Allgäu Ferienapartments on a laptop
9:41
Allgäu Ferienapartments on a tablet
9:41
Allgäu Ferienapartments on a phone

Allgäu Ferienapartments

Holiday flats, Seeg · 2026
Direct bookingLodgifyBooking + Airbnb
Project sheet
Starting point
Bookings only came through commission-based portals.
Our part
Direct booking site set up, calendar synced with Booking and Airbnb, texts and images.
Built with
Lodgify platform, customised and connected.
In operation
Live since 2026.
Visit site ↗
bergwind.info
Bergwind Ingenieurbüro on a laptop
9:41
Bergwind Ingenieurbüro on a tablet
9:41
Bergwind Ingenieurbüro on a phone

Bergwind Ingenieurbüro

Planning office, Füssen · 2026
RelaunchProjectsBlogPressNext.js
Project sheet
Starting point
Portfolio site without structure for projects, services and press.
Our part
Concept, design, more than 40 pages, project gallery, blog, press area, cookie-free analytics.
Built with
Next.js on its own server, optimised images, visitor statistics without cookies.
In operation
Live since May 2026.
Visit site ↗
mecfs.bergwind.tech
ME/CFS Tagebuch on a laptop
9:41
ME/CFS Tagebuch on a tablet
9:41
ME/CFS Tagebuch on a phone

ME/CFS Tagebuch

Web app for people with ME/CFS · 2026
Web appPWABackendfree
Project sheet
Starting point
Log symptoms daily, see the progression — on the phone, without an app store.
Our part
Concept, app, backend, data protection.
Built with
PWA with a Flask backend and its own database.
In operation
Live since March 2026.
Visit site ↗

How we work.

A prototype in days, not months.

First conversation

30 minutes

You tell us what hurts. We tell you whether and how we can help.

Quote

Fixed price or capped hours

A clear frame with a cap. No surprises, no website-builder rent.

Prototype

in days

You see early what is taking shape and steer along. Iteration instead of a novel-length spec.

Handover

with source code

Source code, documentation, instructions. You don't depend on us — but we stay within reach.

What should your site become?

daniel@otterstein.ai
+49 8362 880 93 90
Otter & Stein AI GbR · Drehergasse 40 · 87629 Füssen · Germany

Write to us

For a first conversation, this is enough:

  • New build or relaunch — and what bothers you about the current site?
  • What should a visitor do in the end: enquire, book, buy, call?
  • Are there texts, images, a logo — or do we start from scratch?