Business Details
38 Years
experience
Your Partner for Sustainable Environmental Solutions
Since 1988, Horsley Witten Group (HW) has been a mission-driven leader in engineering, design, and environmental consulting. With 70+ experienced professionals across five offices, we specialize in sustainable solutions that address environmental and social challenges through a nature-based approach. Our 36+ years of expertise spans civil engineering, ecological restoration, climate resiliency planning, and community engagement. We prioritize partnerships with clients and nature, ensuring projects deliver functional, vibrant spaces that balance human needs with environmental protection.Our work integrates science, technology, and policy to create resilient infrastructure and landscapes across New England, the Caribbean, and Pacific Islands. HWs reputation for innovation and responsiveness has earned an 80% client return rate, reflecting our commitment to quality and client satisfaction. We uphold values of diversity, equity, and community stewardship, driving projects that protect natural resources while advancing societal well-being.
Services
Environmental Consulting
Stormwater Management
Ecological Restoration
Climate Resilience Planning
Community Engagement
Hydrogeology
Landscape Architecture
Permitting Services
Urban Design
Training Programs
Details
- Year established: 1988
Highlights and features
- We offer 36+ years of experience in environmental consulting and engineering.
- Our team of 70+ professionals integrates science, engineering, and policy expertise.
- We prioritize nature-based solutions for climate resilience and ecological restoration.
- An 80% client return rate demonstrates proven reliability and satisfaction.
- We serve clients across New England, the Caribbean, and Pacific Islands.
What people say
Second to none
Exceptional service
First-rate collaborators
Professional and courteous
Tremendous amount of work
Services
Stormwater Management
Our stormwater management services combine engineering and ecological design to mitigate flooding and pollution. We develop green infrastructure solutions like rain gardens and permeable pavements that align with municipal regulations. By integrating climate resilience strategies, we ensure long-term sustainability for urban and coastal areas while enhancing water quality and habitat.
Ecological Restoration
We specialize in restoring degraded ecosystems through projects like wetland rehabilitation and streambank stabilization. Our science-driven approach addresses habitat loss, improves biodiversity, and complies with regulatory standards. Techniques include dam removal, buffer planting, and vernal pool certification to revive natural functions and community benefits.
Climate Resilience Planning
Our climate resilience planning identifies vulnerabilities and designs adaptive strategies for coastal and inland communities. Services include hazard mapping, floodplain restoration, and policy development. We collaborate with stakeholders to create actionable plans that reduce risks from sea-level rise, extreme weather, and other climate impacts.
Community Engagement
We facilitate public workshops and educational campaigns to involve communities in environmental decision-making. Our outreach strategies use social media, GIS platforms, and interactive tools to translate technical data into accessible plans, ensuring inclusive and equitable project outcomes.
Hydrogeology
Our hydrogeology services assess groundwater quantity and quality to support sustainable water supply development. We conduct contamination studies, aquifer testing, and modeling to inform regulatory compliance and infrastructure projects, ensuring safe and resilient water management for municipalities and industries.
Questions
What areas does Horsley Witten Group serve?
We operate across New England, the Caribbean, Pacific Islands, and Southeast Florida, with offices in Massachusetts, Rhode Island, New Hampshire, and the U.S. Virgin Islands.
What environmental services does HW offer?
Our services include stormwater management, ecological restoration, climate resiliency planning, hydrogeology, and community engagement tailored to sustainable outcomes.
How does HW ensure project sustainability?
We employ nature-based solutions, integrate climate resilience strategies, and prioritize regulatory compliance to balance environmental protection with client needs.
What expertise does HW bring to ecological restoration?
Our team combines scientific analysis, permitting expertise, and field experience to restore habitats, manage wetlands, and enhance biodiversity in compliance with state and federal standards.
Does HW offer training programs?
Yes, we provide customized workshops on topics like stormwater compliance, wastewater management, and emergency response planning for public and private sectors.
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