FlexStudio is now Flexrex B.V.!

We build software,
run campaigns,
and decode markets.

Flexrex is a three-division agency based in Amsterdam. We combine engineering, creative, and research under one roof — because growth doesn't fit in a single discipline.

60+

Various services

7+

Years of experience

Amsterdam canal houses at night
5-star ratings on Upwork (165 reviews), Clutch (13 reviews), and DesignRush

Showreel

A look at recent work

Selected work

Projects we've shipped

Systems + Studio

DocConnect

Healthcare Platform

Telemedicine app connecting patients with specialists. Appointment booking, video consultations, and health records — all in one place.

View case study →
DocConnect mobile app screens showing specialist selection and services
DocConnect tablet views with consultation history and video calls

Systems + Studio

Homely

Real Estate Platform

Property search platform with listing management, detail views, and integrated search. Designed for the Norwegian market.

View case study →
Homely website hero showing property search
Homely property detail page for a waterfront canal house

Studio + Data

MoodSync

Wellness App

Mental wellness tracker with mood calendars, stress indicators, and behavioral insights. Playful design, serious data.

View case study →
MoodSync mobile app showing three screens with mood tracking
MoodSync close-up of mood quiz and daily check-in

Systems + Data

Delivera

Logistics Dashboard

Fleet management and delivery tracking dashboard with real-time maps, shipment analytics, and performance metrics.

View case study →
Delivera dashboard showing delivery tracking and performance analytics
Delivera logistics platform on a laptop

About Flexrex

Amsterdam-based. Globally deployed.

We started Flexrex because we got tired of agencies that only do one thing. Your marketing team shouldn't be guessing what engineering can deliver. Your data team shouldn't be disconnected from the campaigns that depend on their insights.

Our three divisions — Systems, Studio, and Data — share clients, context, and a relentless focus on outcomes. The result is work that actually compounds.

Flexrex team reviewing code together in the Amsterdam office Modern Amsterdam business district architecture

How we work

Every engagement follows the same discipline.

  1. 01

    Understand the problem

    We interview stakeholders, audit your position, and study the competitive landscape before proposing anything.

  2. 02

    Agree on a plan

    Deliverables, KPIs, timeline, and budget — all documented and signed off before work begins.

  3. 03

    Ship in cycles

    Two-week sprints with demos. You see progress every fortnight, not just at the end.

  4. 04

    Measure and adjust

    We track performance against the KPIs we agreed on and reallocate effort toward what works.

How can we help with your project?

Get in touch with our project manager Yuliia. She'll learn about your goals, match you with the right team, and get things moving.

Yuliia — Project Manager at Flexrex B.V.