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Preux

A London software firm of senior builders. Custom software for real operations, taken to production.

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hello [at] preux.co.ukLondonWorking across the UK, US & Europe
Preux

© 2026 Preux. All rights reserved.

Designed & built in London.

Real estate · Marketplace · React + .NET

Collapsing a twenty-step rental journey into one platform

Self-service tours, screening, e-leases and deposits in one flow, built for a venture-backed rental marketplace.

Journey

20+ steps → one flow

Tours

Self-service, smart-lock

Pipeline

600,000-unit partner talks

The challenge

Renting a home involved more than twenty steps across listing portals, agents, screening services and paper leases. Renters re-entered the same application for every property; landlords juggled disconnected tools for listings, screening and lease management.

Tours needed staff physically on site, and identity checks, credit checks and signatures all lived on paper. Both sides were operating blind, with no analytics or transparency anywhere in the journey.

Our approach

We designed one continuous journey: unified search and listings, self-service property tours through smart-lock integration, and instant offers the moment a renter decides.

A reusable applicant profile carries integrated background and credit screening, so renters apply once and landlords see verified applicants immediately.

Leases generate and sign electronically, deposits collect electronically, and the platform was architected for enterprise volume from day one. React and TypeScript with .NET and Node services on AWS.

The platform — search, listings and self-service touring in one continuous journey.

Outcomes

  • Accepted into a top accelerator and raised seed funding on the strength of the platform
  • Scaling across multiple cities on the same architecture
  • Partnership discussions with a property manager overseeing 600,000 units
A listing in detail, desktop to mobile — from photos to a scheduled viewing in one step.

Client

Vlasnist

Sector

Real estate

Discipline

Marketplace · React + .NET

Engagement

Delivered

Built with

ReactTypeScript.NETNode.jsAWSPostgreSQL

Next case

Rebuilding a global news network in three languages

Al Arabiya · Media →

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Have a problem that needs this standard of delivery?

We take on a small number of engagements at a time. If the operational problem is real, let's talk.

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