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About Fathom

Our mission is to provide technical solutions to environmental problems. With the world continuing to face resilience, infrastructure, and pollution concerns, the innovation of technology must keep up to ensure sustainability. Our data-driven strategies allow our clients to be confident in their decision-making. We explore beneath the surface to uncover meaning, insight, and design that resonates.

fath·om

(noun) a unit of length (often water depth) equal to six feet.

(verb) to understand after much thought.

Together it means Deeper Understandings

About Us

Hi, I’m Andrew Sheerin, founder of Fathom Solutions. I turn abstract ideas into tangible, technical solutions that bridge innovation and environmental impact. With a Ph.D. in Environmental Engineering and a background in systems design, I’ve shifted my focus toward entrepreneurship—building tools that make sustainability smarter. My work centers on environmental modeling for water and infrastructure systems, building products that deliver data insights and decision support.

Solutions We Deliver

Practical expertise to move projects from data to decision.

Data Analytics

Turn complex datasets into clear, actionable insights for planning and policy.

GIS Specialist

Spatial analysis, mapping, and geoprocessing to understand place-based impacts.

Web-App Development

Lightweight, purpose-built tools that put your data to work for stakeholders.

Hydrological Modeling

Simulate water and pollutant transport through surface runoff, drainage networks, and groundwater flow.

Environmental Life Cycle Assessment

Calculate the environmental impact of your product, process, or service throughout the activity’s life cycle.

Projects

Selected tools and repositories we’re building.

SWPT

Data-driven SaaS platform designed for municipalities to optimize their street sweeping programs and reduce their contribution to stormwater pollution.

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LCA Pave

Environmental life cycle assessment tooling for pavement and infrastructure systems. Compare materials, costs, and impacts across scenarios with transparent assumptions.

Coming Soon

Wind App

Lightweight wind resource viewer. Visualize map layers, quick stats, and exportable summaries to accelerate site screening.

Coming Soon

GitHub Repositories

Explore our public code experiments, utilities, and app starters that power our projects.

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