Insights

Strategic Growth Delta Consultants operates within Antea Group, a global environmental engineering and consulting firm with over 3,000 employees across 100 offices. Sales opportunities exist in expanding environmental service offerings to new markets and leveraging the global network for cross-border projects, especially in environmental, infrastructure, urban planning, and water.

M&A and Partnerships Recent hires and collaborations indicate ongoing expansion and capability enhancement in environmental mergers & acquisitions, water and wastewater management, and emergency preparedness. Target opportunities include providing due diligence support, ESG integration services, and joint offerings with allied firms to win larger client programs.

PFAS and Compliance Recognized as a contributor to PFAS identification and remediation guidance, the firm positions itself as a thought leader in regulatory compliance and contaminated site management. Potential sales angles include PFAS risk assessments, remediation strategy development, and regulatory readiness consulting for industrial clients.

Climate Risk Leadership Global Climate Risk Assessments and sustainability initiatives earned industry recognition, signaling strong demand for climate risk analytics and resilience planning. Upsell opportunities exist in providing climate risk mapping, adaptation planning, and resilience dashboards for energy, manufacturing, and municipal clients.

Public and Private Sector Focus With engagements spanning global energy companies, manufacturers, governments, and municipalities, there is a broad client base. Target sales plays can tailor offerings to public sector procurement cycles and enterprise sustainability programs, emphasizing cost savings, compliance, and sustainable infrastructure improvements.

Similar companies to Delta Consultants

Delta Consultants Tech Stack

Delta Consultants uses 8 technology products and services including ISO 14001, Microsoft 365, JSON-LD, and more. Explore Delta Consultants's tech stack below.

  • ISO 14001
    Certificates
  • Microsoft 365
    Email
  • JSON-LD
    Javascript Frameworks
  • Office 365
    Office Suites
  • Microsoft Word
    Office Suites
  • Google
    Search Engines
  • X-Content-Type-Options
    Web & Portal Technology
  • Apache
    Web Servers

Media & News

Delta Consultants's Email Address Formats

Delta Consultants uses at least 2 format(s):
Delta Consultants Email FormatsExamplePercentage
First.Last@anteagroup.comJohn.Doe@anteagroup.com
96%
First.MiddleLast@anteagroup.comJohn.MichaelDoe@anteagroup.com
2%
Last.First@anteagroup.comDoe.John@anteagroup.com
2%

Frequently Asked Questions

Where is Delta Consultants's headquarters located?

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Delta Consultants's main headquarters is located at Irvine, California United States. The company has employees across 5 continents, including North AmericaAsiaEurope.

What is Delta Consultants's official website and social media links?

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Delta Consultants's official website is us.anteagroup.com and has social profiles on LinkedIn.

What is Delta Consultants's NAICS code?

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Delta Consultants's NAICS code is 54162 - Environmental Consulting Services.

How many employees does Delta Consultants have currently?

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As of April 2026, Delta Consultants has approximately 114 employees across 5 continents, including North AmericaAsiaEurope. Key team members include Ceo: N. M.Chief Executive: M. F.President: C. D.. Explore Delta Consultants's employee directory with LeadIQ.

What industry does Delta Consultants belong to?

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Delta Consultants operates in the Environmental Services industry.

What technology does Delta Consultants use?

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Delta Consultants's tech stack includes ISO 14001Microsoft 365JSON-LDOffice 365Microsoft WordGoogleX-Content-Type-OptionsApache.

What is Delta Consultants's email format?

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Delta Consultants's email format typically follows the pattern of First.Last@anteagroup.com. Find more Delta Consultants email formats with LeadIQ.

When was Delta Consultants founded?

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Delta Consultants was founded in 1986.
Delta Consultants logo

Delta Consultants

Environmental ServicesCalifornia, United States51-200 Employees

Delta Consultants was acquired by Oranjewoud N.V. in 2008 and today functions as Antea Group’s United States engineering and consultancy arm. Antea Group operates as an international practice specializing in environment, infrastructure, urban planning, and water, combining strategic thinking with technical expertise to address client challenges. Based in Irvine, California, the group maintains a global footprint with offices in more than 100 locations across six continents.

Its client base includes global energy companies, manufacturers, national governments, and local municipalities, and the firm delivers services across environmental management, infrastructure, urban planning, and water resources. In 2025, Antea Group USA announced the addition of senior consultants to support its environmental mergers and acquisitions and water management practices, signaling ongoing expansion of its U.S. team.

Section iconCompany Overview

Headquarters
Irvine, California United States
NAICS Code
54162 - Environmental Consulting Services
Founded
1986
Employees
51-200

Section iconFunding & Financials

  • $50M$100M

    Delta Consultants's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Delta Consultants's revenue is estimated to be in the range of $50M$100M

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