Sage Institute

What Sage Institute does

Sage Institute, Inc. is a privately held environmental and biological consulting firm headquartered in Templeton, California (San Luis Obispo County), operating continuously since 1978. The company provides a turnkey suite of consulting services to public agencies, educational institutions, private and public utilities, public airport districts, and developers throughout California. Its service portfolio comprises five interconnected lines: Biological Assessments & Surveys (pre-construction compliance surveys, wetland delineations, rare plant and protocol-level special-status wildlife surveys); Resource Regulatory Compliance (ESA Section 7/10 consultations, CWA Section 404/401 permitting, California ESA Section 2081 authorizations, CDFW Section 1602 Streambed Alteration Agreements, coastal development permits); Geographic Information System (GIS) Analysis and Mapping; Construction Monitoring (biological and environmental monitoring during and after construction); and Mitigation & Restoration Planning (habitat restoration design, implementation, and monitoring).

The firm is principal-led by Kathleen Kirschenstein (President/CFO, with the company since 2004) and Jason Kirschenstein (Principal Biologist and Vice President), both Cal Poly San Luis Obispo B.S. graduates (1998) whose technical expertise in special-status species surveys, mitigation planning, and California-specific environmental regulation constitutes the company's primary value driver. Core technology is conventional GIS-based spatial analysis; there is no proprietary software platform, no AI/ML capability, and no digital product — Sage Institute is a labor-intensive professional services firm whose output is human-delivered expertise rather than scalable software.

Revenue mechanics are entirely project-based: services are quoted per scope, sold directly via phone, email, and website contact form to California-based B2B clients, with no disclosed pricing, recurring revenue, or retainer structure. The company has no external investors, no parent company, no subsidiaries, no partnerships, and no M&A history. Its 1-10 employee scale and exclusively California footprint indicate a stable, principal-driven boutique practice rather than a growth-stage enterprise.

Name

Sage Institute

Legal name

Sage Institute, Inc.

Website

https://sageii.com

Company type

Private

Founded year

1978

Operating status

Operating

Headcount range

1–10 employees

Short description

Sage Institute is a California-based environmental and biological consulting firm, founded in 1978, providing biological assessments, regulatory permitting, GIS mapping, construction monitoring, and habitat restoration services to public agencies, utilities, educational institutions, airport districts, and developers throughout California.

Ownership category

akta.pro rank

Headquarters

HQ city

Templeton

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Environmental Consulting Services: Professional consulting services including biological assessments, construction monitoring, regulatory compliance, habitat restoration, and environmental planning. Services range from site-specific project analysis to large-scale regional multi-species Habitat Conservation Plans.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Sage Institute, Inc. is an environmental and biological consulting firm that delivers biological assessments and surveys, regulatory compliance and permitting, wetland delineations, habitat restoration design and implementation, construction and mitigation monitoring, and GIS analysis and mapping. Services are provided directly to public agencies, educational institutions, private/public utilities, public airport districts, and developers throughout California.

Product overview

Sage Institute is an environmental and biological consulting firm providing a unified suite of consulting services to public agencies, private/public utilities, public airport districts, and developers in California since 1978. The company operates as a single integrated service offering rather than a modular platform. The portfolio consists of five interconnected service lines: Biological Assessments & Surveys (including pre-construction compliance, wetland delineations, and protocol wildlife surveys), Resource Regulatory Compliance (covering ESA, CWA, and California Coastal Act permits), Geographic Information System (GIS) Analysis and Mapping, Construction Monitoring (environmental/biological monitoring during and after construction), and Mitigation & Restoration Planning (habitat restoration design, implementation, and monitoring). These services work together as a turnkey operation, guiding clients through site-specific analysis to large-scale regional multi-species Habitat Conservation Plans.

Differentiator

Problem solved

Functional benefit

Products and services

• Biological Assessments & Surveys

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Scale indicators2 records

Recent moves3 records

Direct peers

• Environmental Science Associates (ESA): California-headquartered environmental consulting firm providing biological assessments, CEQA/NEPA documentation, permitting, and habitat restoration. Most directly comparable mid-size peer for Sage Institute's service mix and customer base.
• Padre Associates: Central Coast and California-wide environmental consulting firm providing biological surveys, wetland delineations, regulatory permitting, and construction monitoring — strong regional overlap with Sage Institute's Templeton base.
• LSA Associates: California-headquartered environmental and planning consultancy offering biological assessments, regulatory permitting, and habitat restoration services to public agencies and private developers.
• WRA Environmental Consultants: Bay Area-based environmental consulting firm specializing in biological resource assessments, wetland delineations, ESA Section 7/10 consultations, and habitat restoration — a tight competitor to Sage Institute in Northern and Central California.
• HELIX Environmental Planning: California-based environmental consulting firm providing biological surveys, regulatory permitting, CEQA support, and construction monitoring. Comparable niche specialist serving public agencies and developers in CA.
• Rincon Consultants: California-focused environmental science and planning consultancy with strong biological resources, regulatory permitting, and habitat restoration practices. Closely comparable in customer mix (public agencies, developers) and service offering.
• Dudek: California-based environmental and engineering consulting firm offering biological resource surveys, regulatory permitting, habitat restoration, and construction monitoring — directly overlapping Sage Institute's core services with a broader geographic reach.

Broad incumbents

• AECOM: Global engineering and environmental services firm with a large California environmental practice spanning biological surveys, permitting, and habitat restoration. Competes on large multi-disciplinary bids where Sage Institute typically participates as a subconsultant.
• ICF International: Large publicly traded consulting firm with significant environmental planning, ESA, and NEPA capabilities serving public agencies — competes for the same California public-agency work as Sage Institute at larger program scale.
• Jacobs Solutions: Global professional services firm with a California environmental practice covering biological resources, regulatory compliance, and habitat restoration. Represents the upper-end competitive threat on large infrastructure programs.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/sage-institute-inc.

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Sage Institute