The global leader in flood risk science

We help organisations and communities around the world understand and manage the changing risks from flood and other natural hazards.

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Our products

Whether you're an insurer seeking best-in-class maps and models, or an organisation needing data to meet regulatory requirements, we're here to support you. Our market-leading, high-resolution flood maps and catastrophe models are available for every country in the world, in formats tailored to your needs. If you're assessing current flood risk or planning for future climate change scenarios, we provide all the insights and data you need to stay ahead.

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Global Flood Maps

Market-leading, high-resolution global flood maps providing flood extents and depths for multiple return periods across a range of flood sources.

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Data

The largest and most comprehensive data suite available for understanding current and future flood risk anywhere in the world.

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Catastrophe Models

Best-in-class, high-resolution, global-scale probabilistic flood models, covering present-day and climate change scenarios, along with crop and combined wind and flood models for comprehensive risk assessment.

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Global Event Sets

Over 15 million simulated flood events covering every region worldwide, harnessing a unique blend of sophisticated statistical and physical modelling methods.

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Flood Risk Assessment

Tailored flood risk insight for a specified location at property or postcode level, utilising JBA’s market-leading, high-resolution flood maps and analytics.

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Portfolio Analysis

Customised analysis services leveraging JBA's advanced probabilistic flood models to provide insights into portfolio risk.

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Parametric

Globally consistent, high-resolution flood data to profile risk, enable anticipatory action, identify triggers and monitor thresholds for parametric insurance.

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JBA Vision

Easy-to-use online viewing platform providing instant access to JBA’s comprehensive suite of high-resolution global flood maps and data.

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Consultancy

Bespoke solutions and consultancy services including tailored model builds, single site assessments, flood defence design and portfolio optimisation.

Climate change and flood risk

Climate change is increasing the frequency and intensity of flood events, creating heightened risks for communities and businesses worldwide. We understand how vital it is to consider these changes when assessing flood risk, which is why we incorporate the latest climate change insights into our flood models and data. Future-proof your risk management decisions by accessing trusted climate risk science from the leading experts.

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About JBA

JBA Risk Management Limited is part of the JBA Group - an independent and employee-owned organisation. We have the largest team of flood experts in the world. Our trusted scientific insights support global insurers, lenders and investment companies, as well as the property and international development sectors. While we lead the field in flood science, we recognise that not everyone has the same level of expertise. That’s why we take the time to explain complex concepts, ensuring our clients can make informed decisions with confidence.

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Companies we work with

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Event response

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Pacific Northwest floods: December 2025

7th December

Recent flooding across the Pacific Northwest highlights the recurring impact of atmospheric river events on the region. A powerful winter storm, fueled by huge quantities of moisture transported across the Pacific Ocean, has brought widespread flooding to Oregon and Washington in the US, and British Columbia in Canada.

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Cylone Ditwah: November 2025

26th November

In late November 2025, a cyclonic storm better known as “Cyclone Ditwah” emerged from the warm waters of the Bay of Bengal and made landfall on the eastern coast of Sri Lanka on 27 November 2025 just before 12:00 UTC. The landfall unleashed torrential rainfall, widespread flooding, and deadly landslides that overwhelmed communities across 25 districts.

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Southeast Asia floods: November 2025

20th November

South Thailand faced relentless rainfall in late November 2025, shattering decade-old records with 630mm of rain falling over a three-day period. Twelve provinces were left to brave through the impacts from the strong monsoon trough and a low-pressured cell that covered the South and lower South of Thailand.

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