Solutions built for scale and certainty.

We fund and manage electricity and gas meters for energy companies across the UK and Germany. Working closely with clients, we design flexible solutions that combine funding, operations, and data expertise to deliver reliable outcomes at every stage of the metering lifecycle.

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Pure-play MAP services

OnStream’s Pure-play MAP model gives energy suppliers maximum flexibility in how they fund, deploy, and manage their metering assets. We focus exclusively on MAP excellence, optimising operations across our end-to-end platform and delivering consistently high performance for our clients.

We work with all leading OEMs and independent meters installation providers, giving customers full optionality in asset selection and installation partners.

MAP operational capabilities

Data management and finance functions

UK‑based data specialists track and monitor millions of assets, providing bespoke reporting and real‑time insights.

31m+ assets under management


Our cloud-based proprietary system processes more than 9 million asset movements per year (including deliveries, installs, removals and churn).

High‑quality validated data


All records are validated against wider industry data sources to ensure accuracy and compliance.

High‑quality assets


In‑house asset due diligence ensures meters have every chance to stay on the wall and continue performing reliably.


ISO‑accredited Meter Processing Centre

Efficient tracking, triage and refurbishment of returned assets with over 99% of materials recycled.


Transparency and flexibility for the supplier

Access MAP capabilities without the cost or operational risk of a MAP/MEM bundled structure.

A gauge or meter with a needle pointing to a low level.

MAP and MEM full turnkey

By bringing together best-in-class organisations with complementary strengths across the full end-to-end metering value chain, we can provide energy suppliers with a low-risk, integrated partner model that combines long-term asset ownership and funding with proven, operational delivery. 

The model has been created in response to regulatory changes for the next stage of the smart meter roll out, increasing and diversifying programme scale, growing pressure on efficiency, smart meter health, and customer experience.

Meter triage and reverse logistics

Since 2012, we’ve delivered comprehensive meter asset processing services, including procurement, fault management, tracking, triage and warranty coordination.

Our ISO accredited Meter Processing Centre can receive, process, and refurbish over one million meters per year, supported by a highly skilled operations team and a sophisticated warehouse management system.

    • Triage, testing and inspection

    • Refurbishment and redeployment

    • Manufacturer returns and warranty management

    • Asset scrapping, recycling, and compliance oversight

    • Bespoke reporting dashboards tracking every asset to outcome

    • End-to-end inbound and outbound logistics

    • Expansive collection network leveraging longstanding industry routes

    • Professional, flexible logistics operation with access to 3,000+ vehicles

    • 5,000+ meter refurbishments per month, including remote refurbishment innovation

    • Partnered with major UK recyclers

    • 3.8m+ meters recycled, with the majority of materials recovered

    • 99% of asset material fully recycled, avoiding landfill

    • Fully WEEE registered and regularly audited

Asset portfolio acquisition

OnStream has a strong track record of acquiring installed asset portfolios from sellers. We conduct detailed commercial and operational due diligence, ensuring a smooth, low risk transition and preserving asset integrity throughout.

Our approach combines:

  • Deep commercial and operational expertise

  • Robust governance structures

  • Proven change management capability

  • A focus on delivering “a safe pair of hands” throughout the transition

This enables efficient completion and long-term stability for both the outgoing and incoming asset owners.