Net Zero Compare
Fathom

Fathom

by Fathom

High-resolution flood risk modelling software for climate risk and asset-level analysis.

Maílis Carrilho
Updated by Maílis Carrilho on December 31st, 2025
Fathom is a climate risk analytics company specialising in high-resolution flood risk modelling. Its software platform enables organisations to assess current and future flood exposure at asset, portfolio, and regional levels. By combining advanced hydrological models with climate change scenarios, Fathom supports insurers, financial institutions, governments, and infrastructure owners in understanding and managing physical climate risk related to flooding.

Available Climate Risk Management Features

Alerts/Notifications
Audit Support
Climate Scenario Analysis
Geographic Mapping (GIS)
Real-Time Monitoring (non-energy)
Risk Assessment & Scoring

Missing Climate Risk Management Features

Benchmarking & Peer Comparison
Compliance Reporting
Customizable Reporting Templates
Data Import/Export
Integration with IoT Sensors
Scope 1 Emissions Tracking
Scope 2 Emissions Tracking
Scope 3 Emissions Tracking

Pricing

Starting Price
No data available
Options
No data available

Available Since

2015

Deployment Options

  • Web Browser (Cloud - Based)

Good Option For

No data available

Deep dive


Core Features

  • Flood Risk Modelling: Fathom delivers detailed flood risk assessments covering riverine, pluvial and coastal flooding, using physically based hydrological and hydraulic models.

  • Climate Scenario Analysis: The platform models flood risk under multiple climate change scenarios, enabling users to assess how flood frequency and severity may evolve.

  • High-Resolution Spatial Data: Flood hazard maps are produced at very high spatial resolution, supporting asset-level and location-specific risk analysis.

  • Geographic Mapping (GIS): Interactive geospatial tools allow users to visualise flood exposure across assets, regions and portfolios.

  • Risk Assessment & Scoring: Assets and locations are assessed and scored based on flood hazard intensity, probability and potential impact.

  • Portfolio-Level Analysis: Fathom supports aggregation of flood risk across portfolios, supporting financial risk management and investment decision-making.

Plans & Pricing

Fathom operates on an enterprise licensing and subscription model.
Pricing is not publicly disclosed and typically depends on:

  • Geographic coverage

  • Resolution and data layers required

  • Portfolio size and use case

Integrations

Fathom integrates with:

  • Insurance and catastrophe risk platforms

  • Financial risk and portfolio management systems

  • GIS and spatial analytics tools

Integrations focus on risk modelling and analysis, not operational sustainability systems.

Certifications & Awards

Fathom is widely recognised in the flood risk and catastrophe modelling community, with strong credibility among insurers, governments and research institutions.

Expert Voices & Reviews

Climate risk professionals frequently cite Fathom for its scientific rigour and spatial accuracy, particularly in comparison to lower-resolution global flood models.

Customers & Case Studies

Fathom is used by:

  • Insurance and reinsurance companies

  • Banks and financial institutions

  • Governments and public agencies

  • Infrastructure and utilities operators

Use cases include flood risk pricing, climate stress testing, infrastructure resilience planning and public risk assessment.

Closing Insights

From a Net Zero Compare perspective, Fathom is best positioned as a specialist physical climate risk platform, focused exclusively on flooding. Its depth, resolution and scientific approach make it a critical tool for organisations exposed to water-related climate risks.

Fathom complements broader climate risk platforms by providing best-in-class flood hazard intelligence.

Resources


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