Name

Groundwater & Environmental Services

Legal name

Groundwater & Environmental Services, Inc.

Website

https://gesonline.com

Company type

Private

Founded year

1985

Operating status

Operating

Headcount range

501–1,000 employees

Ownership category

akta.pro rank

Product category

Environmental Consulting and Remediation Services

NAICS

Environmental Consulting Services (54162), Water Supply and Irrigation Systems (221310), Natural Gas Distribution (221210), Administration of Environmental Quality Programs (924)

SIC

Oil & Gas Field Exploration Services (1382), Natural Gas Transmisison & Distribution (4923), Natural Gas Distribution (4924)

akta.pro primary industry

Water, Wastewater & Stormwater Compliance (BPAHAJAJ)

akta.pro secondary industries

Groundwater Extraction, Treatment & Discharge (Pump-and-Treat, reinjection) (BPALAKAF), Water, Wastewater & Hydraulics Engineering Consulting (BPAHAIAD), Groundwater Monitoring & Well Sampling (Monitoring Wells, Plumes) (EUAHACAE)

Keywords

• Environmental consulting services
• Site remediation engineering
• Brownfield restoration services
• Groundwater assessment services
• Vapor intrusion mitigation

Headquarters

HQ city

Neptune

HQ country

United States

HQ region

North America

Offices9 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Environmental Consulting Services: Professional consulting services including environmental assessment, planning, permitting, due diligence, and technical field solutions. Revenue generated through project-based fees, time and materials, or fixed-price contracts.
2. Remediation Engineering and Construction: Design, construction, and operation of remediation systems for contaminated sites including brownfields, underground storage tanks, and vapor intrusion mitigation.
3. Government Contract Services: Services provided under USEPA Brownfields Assessment Grants and other government environmental programs.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels5 records

Core offering

Groundwater & Environmental Services (GES) is an environmental consulting and engineering firm that provides environmental site assessment, due diligence, regulatory permitting, ecological and water resource services, and full-scale remediation design and construction for contaminated sites. The firm serves Oil & Gas, Industrial, Power & Utilities, Commercial, and Government clients across 14 service lines including air quality, brownfield restoration, vapor intrusion mitigation, water resources, sUAS/drone operations, and proprietary mobile PFAS water treatment.

Product overview

Groundwater & Environmental Services (GES) is an environmental consulting firm offering a comprehensive suite of environmental assessment, remediation, and compliance services. The company provides services across multiple domains including Air Quality Services, Brownfield Restoration, Ecological Services, Environmental Planning, Health and Safety Support, Remediation Engineering, Small Unmanned Aircraft Operations (sUAS), Vapor Intrusion Assessment, and Water Resources. GES also offers proprietary products such as the PFAS Mobile Treatment Trailer. Services are delivered across market sectors including Oil and Gas (exploration, pipelines, terminals, retail), Industrial, Power and Utilities, Commercial, and Government clients.

Differentiator

Problem solved

Functional benefit

Products and services

• Air Quality Services Environmental consulting services for air quality compliance, permitting, monitoring, and regulatory support for industrial and commercial operations.
• Brownfield Restoration and Land Revitalization Assessment and remediation services for contaminated properties to enable redevelopment and reuse of brownfield sites.
• Remediation Engineering and Construction Remediation engineering and construction services for contaminated sites including groundwater, soil, and subsurface remediation.
• Water Resources Groundwater assessment, water resource management, and water treatment services.
• Vapor Intrusion Assessment and Mitigation Assessment and mitigation of vapor intrusion from subsurface contamination into buildings, including VEGE system design and installation.
• Ecological Services Ecological assessments, wetland delineation, protected species surveys, and habitat assessments for environmental projects.
• Environmental Due Diligence Environmental due diligence services for property transactions, mergers, acquisitions, and regulatory compliance verification.
• Environmental Planning and Permitting Environmental planning and permitting services for infrastructure and development projects.
• Technical Field Solutions Field technical services including drilling, sampling, monitoring well installation, and site characterization.
• Strategic Environmental Consulting Strategic environmental consulting for regulatory compliance, sustainability, and environmental management.
• Small Unmanned Aircraft (sUAS) Operations
• Environmental Informatics (Data Management)
• Health and Safety Support Occupational health and safety consulting, compliance support, and safety program development.
• PFAS Mobile Treatment Trailer

Quantifiable outcome

• Zero recordable incidents achieved in 2020 through LPS safety program
• +3 more outcomes

Named customers6 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered core.

• ASTM InternationalcoreStrategic or Co-development PartnerGES Subject Matter Expert Chris Mulry participated in ASTM E3488-25 Standard Guide for Moving Sites to Closure (MStC) Task Group that included state, Tribal, and EPA UST cleanup regulators as well as state fund administrators, owners, cleanup consultants, insurance companies, and academics. GES also played role in training events at AEHS East October 2025.
• EPA Office of Underground Storage Tanks (OUST)coreStrategic or Co-development PartnerGES participates in EPA OUST training initiatives for ASTM E3488-25 standard implementation, including training events at National Tanks Conference and AEHS East. GES Subject Matter Expert Chris Mulry serves as contact for MStC training programs.
• Wildlife Habitat Council (WHC)coreStrategic or Co-development PartnerGES is an active member of WHC and assists clients in developing, implementing, and attaining WHC Conservation Certification for wildlife conservation projects. Active member pursuing WHC certificate for wildlife habitat enhancement project.

Scale indicators9 records

Recent moves9 records

Expansion highlights7 records

Broad incumbents

• Jacobs Solutions: Global professional services firm with significant environmental remediation, water, and PFAS capabilities serving many of the same enterprise and government clients as GES.
• WSP: Global engineering consultancy with environmental remediation, water, and earth sciences practices that compete for enterprise and government mandates across the same verticals as GES.
• AECOM: Multinational infrastructure consulting firm with a large environment practice that competes for federal, industrial, and energy remediation work as part of a much broader portfolio.

Direct peers

• Antea Group: International EHS consultancy with comparable environmental due diligence, site assessment, and remediation services for industrial, energy, and government clients.
• GHD: Global professional services firm with a substantial environmental practice serving water, energy, and industrial markets with consulting, remediation, and compliance services.
• Tetra Tech: Leading global environmental and engineering consulting firm with deep water resources, remediation, and PFAS practices serving the same oil & gas, industrial, power, and government clients as GES.
• Arcadis: Global design and consultancy with a major environmental remediation and water practice directly competing for brownfield, groundwater, and industrial environmental mandates.
• Haley & Aldrich: Mid-sized environmental and geotechnical consulting firm closely comparable in size, service mix (remediation, vapor intrusion, brownfields), and customer base.
• SLR Consulting: Global environmental and advisory firm offering site investigation, remediation, water resources, and air quality services that overlap directly with GES's core offerings.
• ERM (Environmental Resources Management): Pure-play environmental, health, safety, and sustainability consultancy with comparable EHS consulting, site investigation, and remediation services across industrial and energy clients.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/gesofficial
• LinkedInlinkedin.com/company/groundwater-&-environmental-services-inc-

Revenue estimate

Valuation estimate

Number of profiles

Profiles31 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about Groundwater & Environmental Services