Horsley Witten Group

Your Partner. Nature's Steward.

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About the firm

Horsley Witten Group (HW) is a mission-driven engineering, design, and environmental consulting firm headquartered in Sandwich, Massachusetts, with offices in Boston, MA, Providence, RI, Exeter, NH, and St. Croix, U.S. Virgin Islands. Incorporated in 1987, HW's interdisciplinary team of engineers, scientists, planners, and landscape designers is committed to sustainable environmental solutions. With 75+ experienced staff, it manages complex projects in New England and globally, focusing on water resources management, green stormwater infrastructure, climate resiliency, watershed planning, and coastal zone management.

Established
1987
Team
Midsize
Firm type
Civil Engineering · Environmental Engineering · Landscape Architecture

People

Nathan KellyPrincipal, President

Janet Carter BernardoPrincipal, Senior Engineer

Richard A. Claytor, Jr.Principal, Senior Water Resources Engineer

Jane EsteyPrincipal, Corporate Counsel

Jon FordPrincipal, Community Design

Capabilities

Water Resources Management

  • Water Supply
  • Wastewater
  • Water Resource Restoration
  • Dam Removal
  • Hydrology And Hydraulic Modeling
  • Watershed Protection

Green Stormwater Infrastructure

Design and planning of green infrastructure solutions for stormwater management and water quality improvement.

Environmental and Climate Resiliency Planning

  • Climate Adaptation
  • Coastal Resiliency
  • Ecosystem Restoration Services Addressing Environmental And Social Challenges

Watershed and Coastal Zone Management

  • Watershed Planning
  • Coastal Zone Management
  • Green Stormwater Infrastructure Design
  • Site Design For Walkable
  • Human-scaled Communities

Civil Engineering and Site Design

Water and Wastewater System Design

  • Permitting
  • Budgeting
  • Construction Oversight

Federal Government Contract Services

  • Services Available To Federal
  • State
  • Local government buyers under GSA Multiple Award Schedule (MAS) Contract 47QRAA22D005P and OASIS+SB Contract 47QRCA25DSB78

Industries

Government · Water Resources · Stormwater & Flood Control · Environmental & Remediation · Water Supply · Wastewater

Projects

No projects listed yet.