Case studies

How we turn complex AI and product problems into real business impact.

Source.app
SaaS & Platforms

Building a production-ready marketing attribution platform in 11 months

European Hospitality Group
Hospitality & Travel

Cutting a EU hotel group's outsourcing staffing spend by 70% with intelligent staff allocation

Global Consumer Electronics Brand
Consumer Electronics

A multi-modal GenAI pipeline behind a 24/7 AI radio station. 700K songs generated, 2.4B plays

PepTalk
Sports & Entertainment

Five tools collapsed into one agentic AI platform for PepTalk's speaker booking marketplace

European RegTech Startup
SaaS & Platforms

Automating regulatory and supplier diligence for European cosmetic brands. 75% saved per audit

NVISO
Banking & FinTech

Emotion AI for investment advisory: teaching machines to read confidence and hesitation

Defined.ai
SaaS & Platforms

Scaling AI training data collection to 250K+ contributors

Aralab
Manufacturing & Supply Chain

An autonomous AP agent handling 2,000+ supplier invoices a month for Aralab

UK Water Utility Company
Public Sector & Utilities

A Chrome extension scoring every draft against a UK utility's own guidelines — used by 6,000 employees

Kencko
Retail & E-Commerce

Scaling a foodtech DTC brand from MVP to profitability

SANA Hotels
Hospitality & Travel

An AI mobile training platform for SANA Hotels — from PowerPoints and PDFs to gamified mobile courses

Leading Global Beverage Company
Hospitality & Travel

An AI pipeline reconciling hundreds of partner restaurants across four sources and 10+ languages

Global Sportswear Brand
Retail & E-Commerce

Natural-language product discovery on a sportswear PDP, trained on 500+ products

Worthmed
Healthcare & MedTech

Building a multi-tenant clinical trial platform for European healthcare

Shoplater
Retail & E-Commerce

Building a mobile bookmarking app with AI shopping recommendations

Indie Campers
Hospitality & Travel

An SEO and CMS platform that scales editorial content across 9 languages

Keepwhat
Hospitality & Travel

Building a marketplace platform for on-demand storage in 12 weeks

Joyraft
SaaS & Platforms

Building a social discovery platform powered by AI recommendation

Datatalks
Sports & Entertainment

Unifying fan data across 50+ sports organizations into a single platform

Refraction
SaaS & Platforms

Building a browser and IDE-based AI code generation tool used by 20,000 engineers, pre-Cursor and Claude Code

Vocab App
Education & EdTech

AI-Powered Language Learning Platform — Vocab App

Beautylounge Khatera
Beauty & Personal Care

Premium Beauty Salon Platform — Beautylounge Khatera

Slactis
Media & Publishing

High-Performance Tech News Platform — Slactis

S.Tech
Telecommunications

Superfast ISP Marketing Website — S.Tech

FAQ

What people ask about Fasten Teams.

Fasten Teams is an end-to-end digital product and growth studio with offices in Berlin and Sydney. We architect the software and engineer the growth — building web, mobile, AI, and cloud products, then scaling them with performance marketing, technical SEO, and brand work. One elite team, one unified strategy.

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AI agents, data platforms, or cloud-native products, tell us what you're working on and we'll take it from there.