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Build a Scalable Two-Sided Property Marketplace for Sidedoor

How Innovify Built Sidedoor: A Scalable Two-Sided Property Marketplace

Sidedoor operates in the property marketplace space, connecting property buyers with professional surveyors, with Innovify designing and developing the complete platform by transforming an offline model into a scalable two-sided marketplace, engineered with user-centric UX and modular architecture to enable seamless discovery, expert engagement, rapid scalability, early traction, and long-term growth through a differentiated digital experience.
Case Study

Client Overview

Sidedoor is a property marketplace platform connecting property buyers and professional surveyors. Innovify designed and developed the complete solution, building a scalable two-sided marketplace with a user-centric experience and modular architecture to support seamless discovery and long-term growth.

Client:
Sidedoor
Country:
United Kingdom
Platforms:
Web
Industry:
Property Marketplace

Challenge

Zilch set an ambitious goal: launch a fully compliant digital wallet in just four months. Innovify was tasked with building the platform from the ground up, fast, secure, and ready for scale.

The project came with critical technical and compliance requirements:

  • PCI DSS certification and FCA approval, ensuring full regulatory compliance
  • Ultra-low latency transactions under 250 milliseconds, delivering a seamless user experience.
  • Successful integration of multiple third-party APIs, including GPS, Xero, and CashFlows

The solution is cloud-native, API-first, and built for scalability, enabling Zilch to launch confidently and expand across the UK market. With compliance-by-design and optimized architecture, the product is ready for rapid growth.

Launched a differentiated two-sided property marketplace while addressing scale, usability, and dual-sided demand.

Sidedoor needed to transform an offline property survey model into a scalable digital platform connecting property buyers and surveyors. The core challenges included:

  • Creating a seamless UX for two distinct user groups
  • Building a marketplace that balances demand and supply
  • Differentiating in a crowded property portal landscape
  • Enabling scalability for future service expansion
  • Delivering quickly with a robust, modular foundation

Sidedoor required a product and technology partner that could design the marketplace experience, build the platform end-to-end, and enable sustainable growth with a clear value proposition for both sides of the ecosystem.

Key Objectives

Deliver a fully functional digital wallet within four months

Build a scalable and differentiated two-sided property marketplace with strong user adoption and long-term growth potential.

  • Launch a production-ready property marketplace platform
  • Enable seamless interaction between property buyers and surveyors
  • Design a user-centric experience for dual-sided engagement
  • Build a modular architecture to support scalability and expansion
  • Deliver reliable performance across user journeys and workflows
  • Establish a strong foundation for continuous product evolution

Solution

Innovify began with a comprehensive discovery workshop to define scope, align stakeholders, and anticipate technical challenges. A dedicated delivery team was assembled to ensure speed and precision throughout the build.

Innovify began with a comprehensive discovery workshop to define scope, align stakeholders, and anticipate technical challenges. A dedicated delivery team was assembled to ensure speed and precision throughout the build.

Innovify began with a comprehensive discovery workshop to define scope, align stakeholders, and anticipate technical challenges. A dedicated delivery team was assembled to ensure speed and precision throughout the build.

Innovify began with a comprehensive discovery workshop to define scope, align stakeholders, and anticipate technical challenges. A dedicated delivery team was assembled to ensure speed and precision throughout the build.

Designed and build a scalable two-sided marketplace with a focus on experience, balance, and growth.

  • Product and Marketplace Engineering
    Innovify designed and developed the full Sidedoor platform, translating the business vision into a production-ready two-sided marketplace that enables seamless interaction between property buyers and surveyors.
  • UX-Led Marketplace Experience
    A user-centric experience was crafted to simplify discovery, improve engagement, and guide both user groups through intuitive, high-conversion journeys.
  • Modular and Scalable Architecture
    The platform was built with a modular architecture to support rapid scaling, feature expansion, and evolving marketplace dynamics.
  • Marketplace Dynamics and Dual Demand
    Core marketplace logic was implemented to balance supply and demand, ensuring value creation for both buyers and surveyors while driving early traction.
  • Operational and Growth Readiness
    The platform was delivered with a strong foundation for continuous iteration, enabling faster releases, improved performance, and long-term scalability.

Technology Used

No items found.

Results

Zilch set an ambitious goal: launch a fully compliant digital wallet in just four months. Innovify was tasked with building the platform from the ground up, fast, secure, and ready for scale.

The project came with critical technical and compliance requirements:

  • PCI DSS certification and FCA approval, ensuring full regulatory compliance
  • Ultra-low latency transactions under 250 milliseconds, delivering a seamless user experience.
  • Successful integration of multiple third-party APIs, including GPS, Xero, and CashFlows

The solution is cloud-native, API-first, and built for scalability, enabling Zilch to launch confidently and expand across the UK market. With compliance-by-design and optimized architecture, the product is ready for rapid growth.

Launched a production-ready two-sided property marketplace with strong early traction and scalable foundations.

The engagement resulted in a fully deployed marketplace platform with seamless user journeys for both property buyers and surveyors. Core workflows, marketplace logic, and platform architecture were delivered in a state ready for real-world usage and growth.

More importantly, the solution established a strong technical and product foundation. Sidedoor gained a marketplace designed to scale efficiently, support future service expansion, and sustain long-term growth without requiring structural rework.

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