H. T. Harvey & Associates

Name

H. T. Harvey & Associates

Legal name

H. T. Harvey & Associates

Website

https://harveyecology.com

Company type

Private

Founded year

1970

Operating status

Acquired

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Ecological Consulting Services

NAICS

Environmental Consulting Services (54162), Landscape Architectural Services (54132), Management Consulting Services (54161)

SIC

Services-Management Consulting Services (8742), Services-Engineering, Accounting, Research, Management (8700), Services-Commercial Physical & Biological Research (8731), Forestry (800)

akta.pro primary industry

Sustainability & ESG Consulting (BPAHACAK)

akta.pro secondary industries

Water, Wastewater & Stormwater Compliance (BPAHAJAJ), Forestry & Reforestation (BPAGAGAD), Operational Controls, SOPs & Environmental Work Instructions (EUAHAIAJ)

Keywords

• Ecological consulting services
• Environmental permitting support
• Habitat restoration services
• Wildlife ecology consulting
• Landscape architecture planning

Headquarters

HQ city

Los Gatos

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D

Revenue model

1. Professional Consulting Services: Ecological consulting services delivered by expert staff including environmental analysis, permitting, ecological restoration, landscape architecture, compliance support, conservation planning, and ecological research. Revenue generated through project-based consulting engagements for government agencies, private entities, and nonprofit organizations.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

H. T. Harvey & Associates is an ecological consulting firm that delivers project-based professional services to government agencies, private companies, and nonprofit organizations. Core offerings include environmental analysis (CEQA/NEPA documentation), permitting, ecological restoration, landscape architecture and planning, regulatory compliance support, conservation planning, and applied ecological research. Services are underpinned by specialized expertise in wildlife, aquatic, plant, and restoration ecology, with more than 80 professionals operating from five offices in California and Hawaii.

Product overview

H. T. Harvey & Associates is a specialized ecological consulting firm offering a unified portfolio of interconnected professional services rather than a platform-plus-modules architecture. The core offerings include Environmental Analysis, Permitting, Ecological Restoration, Landscape Architecture and Planning, Compliance Support, Conservation Planning, and Ecological Research. These services are supported by specialized expertise areas in Wildlife Ecology, Fish and Aquatic Ecology, Plant Ecology, and Restoration Ecology. The firm operates across five offices in California (San Francisco Bay Area, San Joaquin Valley, Sacramento Valley, Redwood Coast) and one in Hawaii, serving public agencies, private entities, and nonprofit organizations since 1970.

Differentiator

Problem solved

Functional benefit

Products and services

• Environmental Analysis Biological analyses for CEQA and NEPA compliance documents, including reconnaissance surveys, environmental assessments, biological resource sections of EISs and EIRs, and technical review of assessments for public and private clients.
• Permitting Regulatory agency approval navigation, permit application assembly, and preparation of technical studies such as wetland delineations, biological assessments, and Clean Water Act documentation for development and infrastructure clients.
• Ecological Restoration Ecosystem restoration and habitat mitigation services including tidal and seasonal wetlands, riparian habitats, vernal pools, and special-status species habitat restoration.
• Landscape Architecture and Planning Creative landscape planning and design combined with ecological training, covering habitat restoration, parks and trails, interpretive programming, and open space natural areas.
• Compliance Support Regulatory compliance management including pre-construction surveys, compliance programs, construction monitoring, and reporting for biological resource requirements.
• Conservation Planning Development of measures for long-term management of species and habitats including Habitat Conservation Plans (HCPs), NCCPs, and species recovery strategies.
• Ecological Research Basic and applied ecological research spanning marine ecosystems, seabirds, marine mammals, habitat requirements, and climate change impacts, with more than 500 peer-reviewed publications contributed by staff.

Quantifiable outcome

• More than 500 peer-reviewed scientific publications across ecological disciplines
• +2 more outcomes

Named customers10 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Integral Consulting Inc.majorOthers · 10 February 2026H. T. Harvey & Associates was acquired by Integral Consulting Inc. in February 2026. The acquisition strengthens Integral's presence in California and Hawaii, one of the nation's largest environmental services markets. The combined entity offers integrated end-to-end solutions for complex environmental and regulatory challenges, providing greater capacity to support long-term client needs across transportation, water resources, renewable energy, and land development sectors.

Scale indicators5 records

Recent moves11 records

Expansion highlights4 records

Direct peers

• LSA Associates: California-based consulting firm providing environmental planning, biological resource services, landscape architecture, and CEQA/NEPA documentation. Highly comparable in California concentration, integrated landscape architecture and ecology services, and public agency clients.
• Aspen Environmental Group: California-based environmental consulting firm specializing in CEQA/NEPA compliance, biological resource studies, and energy facility permitting. Closely comparable in California focus, energy/infrastructure client mix, and biological expertise.
• SWCA Environmental Consultants: National environmental consulting firm offering ecological services, permitting, natural resource management, and cultural resources. Closely comparable in service portfolio, client mix (government, energy, transportation), and scientific special-status species expertise.
• Dudek: California-based environmental and engineering consulting firm providing biological resource assessments, CEQA/NEPA documentation, habitat restoration, and permitting. Comparable in geographic focus (California), client mix, and core service lines.
• Environmental Science Associates (ESA): Employee-owned environmental consulting firm with strong California presence, delivering environmental planning, biology, permitting, and restoration services. Directly comparable in service mix, client segments, and California/Hawaii regional focus.
• Rincon Consultants: West Coast-focused environmental consulting firm offering biological surveys, CEQA/NEPA compliance, permitting, and habitat restoration. Highly comparable in service portfolio, regional concentration in California, and government/private developer client mix.

Broad incumbents

• ICF International: Large global consulting firm with major environmental and energy practice serving government agencies on environmental impact assessment, climate, and infrastructure. Comparable in CEQA/NEPA work and government client base, but operates at much greater scale and breadth.
• AECOM: Global infrastructure consulting firm with extensive environmental services including biological assessments, permitting, restoration, and water resources. Comparable on large transportation and water projects but operates at substantially greater scale across multiple service lines.
• Tetra Tech: Global engineering and environmental consulting leader with deep water resources, transportation, and environmental compliance practices. Overlaps with HT Harvey on permitting and ecological work but offers much broader engineering and international scope.
• ERM (Environmental Resources Management): Global sustainability and environmental consulting firm serving energy, infrastructure, and government clients on impact assessment, permitting, and biodiversity. Comparable on EHS and regulatory services, but with global scale and a broader sustainability orientation than HT Harvey's ecological specialization.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/h.t.harveyandassociates

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about H. T. Harvey & Associates