Insights

Sustainability Growth Antea Group’s expanding sustainability services, including limited assurance support and EcoVadis accreditation, indicate growing demand for ESG reporting, climate risk management, and supplier sustainability programs—opportunities to cross-sell assurance, reporting, and verification services.

Expansion Footprint With a global footprint spanning over 100 offices and operations in the United States and Europe, there is potential to pursue multi-region projects, cross-border client referrals, and standardized global delivery for large environmental and infrastructure engagements.

Technology Enablement Adoption of tools like Tableau, Snowflake, Salesforce, and 3D visualization indicates readiness for data-driven environmental analytics, dashboards, and digital project delivery—sales opportunities for advanced modeling, climate risk analytics, and client portals.

Industry Partnerships Recent collaborations with engineering and permitting partners demonstrate appetite for joint ventures on complex projects; target alliances with engineering firms, permitting authorities, and material suppliers to expand bid opportunities and access larger programs.

Financial Scale Revenue in the mid-market range alongside a sizable employee base suggests capacity for larger projects while maintaining agility—focus on mid-to-large environmental and infrastructure tenders, with add-on sustainability services to increase contract value.

Similar companies to Delta Consultants

Delta Consultants Tech Stack

Delta Consultants uses 8 technology products and services including Tableau, Salesforce, Snowflake, and more. Explore Delta Consultants's tech stack below.

Media & News

Delta Consultants's Email Address Formats

Delta Consultants uses at least 3 email formats:
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

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

Minus sign iconPlus sign icon
Delta Consultants's official website is anteagroup.com and has social profiles on LinkedIn.

How much revenue does Delta Consultants generate?

Minus sign iconPlus sign icon
As of October 2026, Delta Consultants's annual revenue is estimated to be $50M - $100M.

What is Delta Consultants's NAICS code?

Minus sign iconPlus sign icon
Delta Consultants's NAICS code is 54162 - Environmental Consulting Services.

How many employees does Delta Consultants have currently?

Minus sign iconPlus sign icon
As of October 2026, Delta Consultants has approximately 116 employees across 3 continents, including North America, Asia and Europe. Key team members include Chief Executive Officer: N. M., Chief Executive: M. F. and Managing Partner: Y. I. Explore Delta Consultants's employee directory with LeadIQ.

What industry does Delta Consultants belong to?

Minus sign iconPlus sign icon
Delta Consultants operates in the Environmental Services industry.

What technology does Delta Consultants use?

Minus sign iconPlus sign icon
Delta Consultants's tech stack includes Tableau, Salesforce, Snowflake, Microsoft 365, HubSpot, Agentforce, Slack and Microsoft Teams.

What is Delta Consultants's email format?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
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

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

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.