Ammonite Resources

What Ammonite Resources does

Ammonite Resources is a privately held, international consulting firm headquartered in New Canaan, Connecticut, founded in 1982 by G. Warfield "Skip" Hobbs, IV. The firm delivers geotechnical and economic advisory services to the petroleum, mineral, and natural resource exploration and production industries through six service lines: Oil & Gas Advisory, Minerals & Mining Advisory, Geothermal Advisory, Management Consulting, Litigation/Expert Witness Services, and Rock Characterization. Its core offering is independent due diligence for investors and operators that lack in-house technical capacity, supplemented by "First Pass Reviews" for quick deal triage.

The firm operates an associate-office model with locations spanning Houston, Denver, Salt Lake City, Shreveport, New Orleans, Pittsburgh, Sitka, Calgary, and Penrith (UK), enabling projects in the North Sea, Offshore West Africa, Latin America, North Africa and the Middle East, Central Asia, Southeast Asia, Australia, and China. Service delivery rests on a roster of 22+ senior consultants and associates — many of whom are former executives of major multinationals (Texaco, Amerada Hess, Unocal, Schlumberger, ExxonMobil, Statoil, EQT, Saudi Aramco, Amoco), AAPG Certified Petroleum Geologists, and PhD-holders. Distribution is referral-driven via professional society leadership (AAPG, AGI, SME, AAAS), university affiliations (Yale, Colorado School of Mines, UConn), and direct engagement.

Revenue is generated through professional services fees on a project/quoted basis, with named clients including The Blackstone Group, Riverstone Holdings, Natural Gas Partners, Continental Resources, Equitable Resources, CPC Corporation (Taiwan), and the National Hydrocarbon Agency of Colombia. The firm has also served as expert witness in significant securities litigation, most notably the SandRidge Energy class action, where it billed $761,193.90 in consulting fees over a multi-year engagement. The company is privately held with no external funding and no public revenue disclosure.

Name

Ammonite Resources

Legal name

Ammonite Resources

Website

https://ammoniteresources.com

Company type

Private

Founded year

1982

Operating status

Operating

Headcount range

1–10 employees

Short description

Ammonite Resources is a privately held, Connecticut-based consulting firm founded in 1982 that delivers geotechnical and economic due diligence, advisory, and expert witness services to oil & gas, mining, and natural resource clients worldwide, serving institutional investors, energy companies, governments, and legal counsel.

Ownership category

akta.pro rank

Product category

Natural Resource Consulting Services

NAICS

Support Activities for Mining (2131), Geophysical Surveying and Mapping Services (54136)

SIC

Oil & Gas Field Exploration Services (1382)

akta.pro primary industry

Geotechnical & Subsurface Engineering Consulting (BPAHAIAB)

akta.pro secondary industries

Mineral Exploration & Geoscience Services (Geology, Geophysics, Geochemistry, Resource Modeling) (IMAKAKAA), Geothermal Resource Exploration & Assessment (Geology, Geophysics, Geochemistry) (EUAMAEAA), Exploration & Resource Development (Critical Minerals) (IMAKAFAL)

Keywords

• Petroleum consulting
• Mineral advisory
• Natural resource due diligence
• Geological consulting
• Exploration advisory

Headquarters

HQ city

New Canaan

HQ country

United States

HQ region

North America

Offices10 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Consulting Services: Professional consulting fees for geotechnical and economic analysis of natural resource exploration and development opportunities, including due diligence, advisory services, and expert witness/litigation support for petroleum, mineral and geothermal sectors.

Distribution channels1 record

Marketing channels4 records

Core offering

Ammonite Resources delivers expert consulting and advisory services to the petroleum, mineral, geothermal, and broader natural resource industries worldwide. Its core offering centers on independent geotechnical and economic due diligence, prospect and reservoir evaluation, strategic management consulting, expert witness/litigation support, and rock sample characterization for energy and mineral exploration and development projects.

Product overview

Ammonite Resources is a consulting firm providing geotechnical and economic advisory services for natural resource exploration and production. The company operates as a unified advisory services practice offering specialized consulting in six interconnected areas: Oil & Gas Advisory, Minerals & Mining Advisory, Geothermal Advisory, Management Consulting, Litigation/Expert Witness Services, and Rock Characterization. These services are delivered through a team of experienced geoscientists, engineers, and economists who provide due diligence, prospect evaluation, and strategic advisory support to investors, oil and gas companies, and government agencies worldwide.

Differentiator

Problem solved

Functional benefit

Products and services

• Oil & Gas Advisory Geotechnical and economic analysis of petroleum exploration and development opportunities, including due diligence for investors, prospect evaluation, and reservoir analysis, for oil and gas companies and financial investors.
• Minerals & Mining Advisory Analysis and due diligence services for mineral exploration and mining investment opportunities, including resource evaluation and economic modeling, for mining companies and institutional investors.
• Geothermal Advisory Technical and economic evaluation of geothermal energy resources, including reservoir characterization and development opportunity assessment, for geothermal developers, oil and gas investors, and financial backers.
• Management Consulting Strategic planning, business development, corporate finance, acquisitions and divestitures, partner search, contract negotiations, and supplemental technical staffing services for energy and mineral companies.
• Litigation / Expert Witness Services Expert witness testimony and litigation support for petroleum and mineral industry disputes, including reserves disputes and securities litigation, provided to law firms and parties in resource-related litigation.
• Rock Characterization Laboratory and field analysis of rock samples for geological evaluation and prospect assessment, supporting geological due diligence and exploration programs.

Named customers10 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Rystad Energy: Independent energy research and advisory firm providing technical and commercial analysis across upstream oil & gas, mining, and renewables — competes with Ammonite for institutional investor due diligence mandates with a more data-analytics-driven model.
• Wood Mackenzie: Global energy and natural resources research and consulting firm providing due diligence, asset evaluation, and commercial advisory across oil & gas and mining — a scaled, data-enabled competitor serving many of the same PE investor clients as Ammonite.
• Sproule (Avenir Energy): Calgary-based geoscience and engineering consultancy providing reserves evaluations, resource assessments, and technical advisory to oil & gas and mining clients in North America and internationally — mirrors Ammonite's mineral resource and geothermal advisory scope.
• Gaffney, Cline & Associates: Independent international energy and natural resources consulting firm providing technical and commercial advisory to oil & gas companies, miners, governments, and financial investors — directly comparable to Ammonite's exploration due diligence, reserves evaluation, and expert witness practice.
• Beicip-Franlab: Paris-headquartered oil & gas geoscience and engineering consultancy providing exploration studies, reservoir evaluation, and economic advisory for operators and investors worldwide — comparable in scope and seniority-of-expert model to Ammonite.
• Netherland, Sewell & Associates (NSAI): Dallas-based petroleum property evaluation and geological consulting firm providing reserves audits and due diligence for E&P operators, financial sponsors, and legal counsel — the closest direct functional analogue to Ammonite's O&G advisory and expert witness services.
• DeGolyer & MacNaughton: Long-established petroleum engineering and geological consulting firm offering reserves evaluations, integrated reservoir studies, and due diligence for the same institutional investor and operator clients as Ammonite.

Broad incumbents

• S&P Global Commodity Insights: Large, broad commodity research and consulting franchise (incorporating former IHS Markit Energy and Platts) providing upstream/midstream advisory, market intelligence, and ESG analytics to the same institutional customers Ammonite serves.
• Schlumberger (SLB) Consulting: Global oilfield services major with a sizable subsurface consulting and digital advisory practice; the largest scaled alternative to boutique firms like Ammonite for integrated reservoir and basin studies, particularly alongside former Schlumberger-Doll Research executive Francois Auzerais now at Ammonite.

Others

• Canadian Natural Resources Ltd. Not a consulting peer but a frequent joint-venture client of advisory firms in the Calgary/Western Canadian Sedimentary Basin — typical institutional E&P customer of Ammonite's Calgary-based senior exploration advisers and a representative demand source for the firm's international advisory services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/ammonite-corp

Revenue estimate

Valuation estimate

Number of profiles

Profiles25 records

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about Ammonite Resources