User interfaces
The current interface, legacy SPA and internal portal serve different parts of the service.
Projects / Service comparison
Youtility
Energy, broadband and mobile plans in one comparison platform.
Youtility connects household requirements with supplier offers. The platform combines guided energy-switching forms, broadband and mobile comparisons, supplier integrations and background data updates.
The energy comparison starts with the household.
The journey identifies the supply address, energy service, current provider, tariff and payment method. Usage can come from a bill or a household estimate, so the form does not depend on one type of record.
Supply and meter details
The form distinguishes gas, electricity and dual-fuel supply, then asks about prepayment and Economy 7 meters. These inputs establish the conditions for the energy comparison.
Available consumption information
Customers can use their bill amount, consumption in kWh or an estimate. The comparison therefore supports both households with exact records and those without a recent bill.
Household usage estimate
Low, medium and high usage options are explained through household size. The estimate supplies a starting value when the customer cannot provide measured consumption.
An offer comparison leads into the supplier application.
After selecting a plan, the customer provides contact and identity details, address history, employment and residential status. Separate steps cover smart-meter acknowledgement, billing preferences and Direct Debit setup.
Broadband offers include the full contract context.
Postcode, address and current provider frame the search. The results expose both service characteristics and the charges that change during the contract.
Device choice and recurring costs are compared together.
The catalogue includes network and seller information for each offer, with sorting and filters for device specifications.
Technology stack
Technology behind Youtility.
Comparison journeys and supplier data run across more than 15 containerised microservices.
APIs and application services
APIs, shared packages and scheduled workers support supplier synchronisation and exports.
Data, search and storage
Relational, document and geospatial stores support the service, with shared caches and reporting.
Supplier integrations
Messaging, APIs and file exchange connect supplier data and communication.
Identity and configuration
Identity moved from IdentityServer4 to Entra ID; workload identity and rate limits support service access.
Infrastructure and delivery
GitOps manages Kubernetes releases, while infrastructure code defines separate environments.
Testing and code quality
Application diagnostics, API checks and performance tests support operation and delivery.
Your comparison platform
Plan the comparison rules and supplier connections together.
Start with one service: its supplier feeds, customer questions, price components and application steps. We can define the comparison logic, data updates and handover to the selected provider.
Discuss your comparison platform