Insights

Expanding Energy Focus E3 Consulting's recent launch of an energy storage initiative and the hire of a dedicated Director of Renewables highlight a strategic emphasis on renewable and energy storage projects, presenting opportunities for partnerships and supply chain support in these growing sectors.

Leadership Growth The appointment of new key executives such as President Brian Niven and Managing Director Al Rettenmaier signals active company growth and potential for tailored enterprise solutions, especially in project development and financing sectors.

Diverse Service Offerings E3's comprehensive services spanning technical, financial, and regulatory areas—such as due diligence, owner’s engineering, and environmental compliance—create opportunities for cross-selling advanced consulting solutions to project developers, lenders, and utilities.

Geographic Reach With offices across the United States and India and a history of over 2,000 projects in the Americas, E3 presents a strong regional presence that can be leveraged for expanding into new infrastructure markets and securing multi-national project collaborations.

Financial Stability With revenues between $25 million and $50 million and a well-established client base in capital-intensive industries, E3 offers a reliable partner for firms seeking strategic consulting in complex infrastructure investments and project financing.

E3 Consulting Services Tech Stack

E3 Consulting Services uses 8 technology products and services including Shopify, JSON-LD, jQuery Migrate, and more. Explore E3 Consulting Services's tech stack below.

  • Shopify
    E-commerce
  • JSON-LD
    Javascript Frameworks
  • jQuery Migrate
    Javascript Libraries
  • Lodash
    Javascript Libraries
  • Lightbox
    Javascript Libraries
  • Priority Hints
    Performance
  • PHP
    Programming Languages
  • YouTube
    Video Players

E3 Consulting Services's Email Address Formats

E3 Consulting Services uses at least 1 format(s):
E3 Consulting Services Email FormatsExamplePercentage
First.Last@e3co.comJohn.Doe@e3co.com
85%
F.Last@e3co.comJ.Doe@e3co.com
7%
LastFirst@e3co.comDoeJohn@e3co.com
4%
FL@e3co.comJD@e3co.com
4%

Frequently Asked Questions

Where is E3 Consulting Services's headquarters located?

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E3 Consulting Services's main headquarters is located at 3333 South Bannock Streeet Suite 500 Denver, Colorado United States. The company has employees across 5 continents, including North AmericaEuropeAfrica.

What is E3 Consulting Services's phone number?

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You can contact E3 Consulting Services's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is E3 Consulting Services's official website and social media links?

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E3 Consulting Services's official website is e3co.com and has social profiles on LinkedIn.

What is E3 Consulting Services's SIC code NAICS code?

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E3 Consulting Services's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 54 - Professional, Scientific, and Technical Services.

How many employees does E3 Consulting Services have currently?

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As of March 2026, E3 Consulting Services has approximately 51 employees across 5 continents, including North AmericaEuropeAfrica. Key team members include Ceo: D. H.Chief Executive Officer: D. H.Chief Executive Officer And Managing Member: D. C.. Explore E3 Consulting Services's employee directory with LeadIQ.

What industry does E3 Consulting Services belong to?

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E3 Consulting Services operates in the Professional Services industry.

What technology does E3 Consulting Services use?

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E3 Consulting Services's tech stack includes ShopifyJSON-LDjQuery MigrateLodashLightboxPriority HintsPHPYouTube.

What is E3 Consulting Services's email format?

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E3 Consulting Services's email format typically follows the pattern of First.Last@e3co.com. Find more E3 Consulting Services email formats with LeadIQ.

When was E3 Consulting Services founded?

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E3 Consulting Services was founded in 1999.

E3 Consulting Services

Professional ServicesColorado, United States51-200 Employees

Founded in 1999, E3 Consulting® (E3) is a leading professional services firm that provides technical, commercial, financial, and regulatory services for complex and capital-intensive projects. With headquarters in Littleton, Colorado, and offices throughout the United States and India, E3 reviews energy, industrial, and public infrastructure projects for capital providers, project developers and owners, regulators and utilities in electric power, oil and gas, and heavy industry. 

E3 has served as the independent engineer or technical advisor on more than 2,000 projects throughout North and South America, seeking financing through equity placement, debt, leases, and bond offerings. Many of these projects have been widely syndicated, and a number of them have received investment grade ratings from Standard & Poor’s, Moody’s, and Fitch.

In 2014, E3 joined the NAES portfolio of companies, strengthening our team, which currently totals more than 60 professionals. E3 can better serve our clients with competencies across the entire project lifecycle, from early stage development to divestiture and decommissioning. We understand the work required by lenders and investors involved in greenfield project financing, acquisitions and divestitures, refinancing, and project restructuring.  We provide our clients with new and expanded knowledge that allows them to make better business decisions. 

Succeeding in today's complex marketplace demands nothing less.

E3 Services:
• Financial and Technical Due Diligence
• Owner's Engineering and Project Development Support
• Field Engineering
• Valuations and Appraisals
• Environmental and Regulatory Compliance
• Independent Monitoring

Section iconCompany Overview

Headquarters
3333 South Bannock Streeet Suite 500 Denver, Colorado United States
Phone number
Website
e3co.com
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
54 - Professional, Scientific, and Technical Services
Founded
1999
Employees
51-200

Section iconFunding & Financials

  • $25M$50M

    E3 Consulting Services's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    E3 Consulting Services's revenue is estimated to be in the range of $25M$50M

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