Eolas Environmental
Eolas Environmental, LLC is a Connecticut-based environmental consulting firm offering site assessment, investigation, remediation, and regulatory compliance services in Connecticut and Massachusetts; founded in 2011 and acquired by Terraphase Engineering Inc. on October 30, 2025.
- Company typePrivate
- Founded2011
- HeadquartersSouthbury, United States
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Eolas Environmental does
Eolas Environmental, LLC was a privately-held environmental consulting firm headquartered in Southbury, Connecticut, founded in 2011 and operating across Connecticut and Massachusetts until its acquisition. The firm provided site assessment, site investigation, remediation, and regulatory compliance services to clients facing environmental and engineering challenges, with a workforce of 1-10 employees delivering localized, human-expertise-driven consulting.
The company's underlying offering was professional services rather than a technology product: revenue was generated through project-based environmental consulting engagements, with no proprietary software platform, API, or app disclosed in the source material. Pricing details, customer logos, segment mix, and contract structures are not available, and no AI/ML tooling, data assets, or integration partnerships were referenced. Eolas operated as a niche regional consultancy, accumulating 14 years of state-specific regulatory and licensing credentials that supported its project work.
On October 30, 2025, Eolas Environmental was acquired by Terraphase Engineering Inc., a multi-market environmental and engineering consultancy serving industrial, government, energy and utilities, real estate, tribal, legal support, and insurance and finance clients. The acquisition was positioned by Terraphase as a strategic move to extend its New England footprint into Connecticut and Massachusetts and to deepen its environmental consulting service line. As of the acquisition date, Eolas Environmental ceased to operate as an independent entity and became a wholly-owned subsidiary of Terraphase Engineering Inc. No prior funding rounds, institutional investors, or management team details are available in the source data.
Eolas Environmental firmographics
Firmographics- Name
- Eolas Environmental
- Legal name
- Eolas Environmental, LLC
- Website
- https://eolasenvironmental.com
- Company type
- Private
- Founded year
- 2011
- Operating status
- Acquired
- Headcount range
- 1–10 employees
- Short description
- Eolas Environmental, LLC is a Connecticut-based environmental consulting firm offering site assessment, investigation, remediation, and regulatory compliance services in Connecticut and Massachusetts; founded in 2011 and acquired by Terraphase Engineering Inc. on October 30, 2025.
- Ownership category
- akta.pro rank
Eolas Environmental industry classification
Industry- Product category
- Environmental Consulting Services
- NAICS
- Environmental Consulting Services (541620), Waste Management and Remediation Services (562)
- SIC
- Services-Engineering Services (8711), Services-Engineering, Accounting, Research, Management (8700)
- akta.pro primary industry
- Site Assessment & Remediation (Phase I/II, Cleanup Oversight) (BPAHAJAC)
- akta.pro secondary industries
- Environmental Impact Assessment (EIA) & Due Diligence (BPAHAJAB), EHS Auditing, Inspections & Assurance (BPAHAJAG)
Keywords
Where Eolas Environmental is headquartered
LocationHeadquarters
- HQ city
- Southbury
- HQ country
- United States
- HQ region
- North America
Markets served
Eolas Environmental business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations
Eolas Environmental product offering
Product offeringCore offering
Eolas Environmental was an environmental consulting services firm offering site assessment, site investigation, remediation, and regulatory compliance services. The company served clients in Connecticut and Massachusetts with tailored environmental consulting engagements focused on contaminated site evaluation and cleanup oversight.
Differentiator
Problem solved
Functional benefit
Products and services
- Site Assessment Services Environmental site assessment services evaluating property conditions for contamination, risk, and regulatory concerns for clients in Connecticut and Massachusetts.
- Site Investigation Services Detailed site investigation services to characterize contamination extent and inform cleanup strategies for properties in the New England region.
- Remediation Services Environmental remediation consulting and oversight services to address contaminated soil and groundwater conditions for clients in Connecticut and Massachusetts.
- Regulatory Compliance Services Environmental regulatory compliance consulting to help clients navigate state and federal environmental requirements in Connecticut and Massachusetts.
- Site Acquisition Support Services Environmental consulting services supporting site acquisition activities, including environmental due diligence for property buyers and developers.
Companies that use Eolas Environmental
Customer profileIdeal customer profiles1 record
Eolas Environmental technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Eolas Environmental partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Terraphase Engineering Inc.coreTerraphase Engineering Inc. acquired Eolas Environmental, LLC on October 30, 2025. This acquisition allows Terraphase to expand its regional presence in Connecticut and Massachusetts and enhance its environmental consulting capabilities, specifically in site investigation, remediation, and regulatory compliance services.
Recent moves1 record
Expansion highlights1 record
Eolas Environmental competitors and assessment
Company assessmentBroad incumbents
- Tetra Tech: Global consulting and engineering firm with a large environmental services practice covering site assessment, remediation, and water resources. A broad incumbent whose environmental practice competes directly with Eolas in the Northeast.
- AECOM: Global infrastructure consulting firm with a substantial environment practice offering site investigation, remediation, and regulatory advisory services. Comparable as a much larger incumbent serving many of the same industrial, real-estate, and government clients.
- Terraphase Engineering Inc. Acquirer of Eolas and a multi-disciplinary environmental and engineering consultancy offering environmental, compliance, water, and site-engineering services across industrial, government, energy, real-estate, and tribal markets. Directly comparable because it now owns Eolas and performs the same site-investigation and remediation work in overlapping Northeast geographies.
- TRC Companies: Large national environmental, engineering, and construction management firm offering site assessment, remediation, and EHS compliance services. Comparable as a broader incumbent that competes with small firms like Eolas for the same Phase I/II and regulatory compliance engagements.
- ERM (Environmental Resources Management): Global pure-play environmental, health, safety, and sustainability consultancy offering site assessment, EHS auditing, and remediation advisory services. Comparable as a broad incumbent that competes for the same complex environmental mandates Eolas addresses.
Direct peers
- SLR Consulting: International environmental and advisory consultancy with a strong US presence offering site assessment, due diligence, and remediation services. Comparable to Eolas in service mix and in serving real-estate, industrial, and legal-support clients.
- Haley & Aldrich: Geotechnical and environmental consulting firm with strong New England presence providing site investigation, contamination assessment, and remediation services. Closely comparable to Eolas's core offerings and target client base.
- Tighe & Bond: New England-based engineering and environmental consulting firm offering site assessment, remediation design, and regulatory compliance services to municipalities, industrial clients, and developers — a direct regional competitor to Eolas.
- GZA GeoEnvironmental: Northeast-headquartered environmental and geotechnical consulting firm performing site assessment, remediation, and regulatory compliance work. Highly comparable to Eolas given its regional focus on New England and overlapping Phase I/II and brownfields redevelopment services.
- Roux Associates: Niche environmental consulting firm specializing in site investigation and remediation services, with East Coast offices. Directly comparable to Eolas in service mix and in serving industrial, legal, and real-estate clients requiring Phase I/II work.
Market position
Strengths2 records
Weaknesses3 records
Competitive moat2 records
Key risks4 records
Key highlights4 records
Customer concentration
Eolas Environmental social profiles
Digital presenceEolas Environmental financial estimates
Financial estimateRevenue estimate
Valuation estimate
Eolas Environmental leadership team
Management profileNumber of profiles
Eolas Environmental funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Eolas Environmental M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Eolas Environmental
What does Eolas Environmental do?
Eolas Environmental was an environmental consulting services firm offering site assessment, site investigation, remediation, and regulatory compliance services. The company served clients in Connecticut and Massachusetts with tailored environmental consulting engagements focused on contaminated site evaluation and cleanup oversight.
Is Eolas Environmental a public or private company?
Eolas Environmental is a private company. It is classified as corporate owned and is currently acquired.
When was Eolas Environmental founded?
Eolas Environmental was founded in 2011. It employs 1 to 10 people.
Where is Eolas Environmental based?
Eolas Environmental is headquartered in Southbury, United States, in the North America region.
Who are Eolas Environmental's main competitors?
Broad incumbents on record are Tetra Tech, AECOM, Terraphase Engineering Inc., TRC Companies and ERM (Environmental Resources Management). Direct peers are SLR Consulting, Haley & Aldrich, Tighe & Bond, GZA GeoEnvironmental and Roux Associates.
Does Eolas Environmental have an API?
No public API is recorded for Eolas Environmental.
What industry is Eolas Environmental in?
Eolas Environmental's product category is Environmental Consulting Services. Its primary akta.pro industry code is BPAHAJAC, Site Assessment & Remediation (Phase I/II, Cleanup Oversight), with a secondary code of BPAHAJAB, Environmental Impact Assessment (EIA) & Due Diligence. Its NAICS code is 541620 and its SIC code is 8711.