Miller and Lents

What Miller and Lents does

Miller and Lents, Ltd. is a privately held oil and gas consulting firm headquartered in Houston, Texas, founded in 1948. The firm provides upstream consulting services focused on reservoir evaluation, reserves and resources estimation, and SEC regulatory compliance for oil and gas exploration and production companies globally. Its core product set includes bespoke upstream consulting engagements, monthly SEC first-day-of-the-month pricing data for WTI Front Month, Brent Spot, and Henry Hub benchmarks, and educational/compliance resources documenting SPE-PRMS reserves estimation standards (including the 2007 vs. 2018 comparison). Pricing is not publicly disclosed; engagements are customized to project scope and client requirements, consistent with a professional services revenue model. The firm relies on a sales-led go-to-market, with business development driven by direct expert engagement, industry reputation, and a content-marketing funnel built around free SEC pricing updates and SPE-PRMS guidance distributed via a monthly email newsletter and the corporate website.

Name

Miller and Lents

Legal name

Miller and Lents, Ltd.

Website

https://millerandlents.com

Company type

Private

Founded year

1948

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Headquarters

HQ city

Houston

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations

Revenue model

1. Consulting Services: Professional consulting engagements for oil and gas upstream analysis, reservoir evaluation, and SEC regulatory compliance services for clients in the energy sector.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Miller and Lents provides upstream oil and gas consulting services focused on independent reservoir evaluation, petroleum engineering advisory, and SEC regulatory compliance support for exploration and production clients. Complementing its consulting work, the firm publishes monthly SEC first-day-of-the-month price benchmarks (WTI, Brent, Henry Hub) and educational resources on reserves estimation following SPE-PRMS standards. Engagements are project-scoped and delivered directly by the firm's Houston-based experts.

Product overview

Miller and Lents is a traditional oil and gas consulting firm offering upstream consulting and reservoir evaluation services since 1948. The company does not operate a software platform but provides professional consulting services, SEC price reporting data, and educational resources on petroleum reserves estimation following SPE-PRMS standards. Their core offerings include upstream consulting, monthly SEC price data reports, and technical guidance documentation on reserves estimation methodologies.

Differentiator

Problem solved

Functional benefit

Products and services

• Upstream Oil and Gas Consulting Services Independent upstream consulting engagements providing reservoir evaluation, petroleum engineering advisory, and SEC compliance support for oil and gas exploration and production clients worldwide.
• SEC First-Day-of-the-Month Price Data Monthly estimates of SEC first-day-of-the-month prices including WTI Front Month, Brent Spot, and Henry Hub benchmarks, supporting SEC regulatory compliance and oil and gas reporting.

Named customers1 record

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Expansion highlights3 records

Direct peers

• Netherland, Sewell & Associates: Dallas-based independent petroleum engineering firm specializing in reserves evaluation and reservoir studies for SEC/SPE-PRMS reporting — a near-direct functional overlap with Miller and Lents' core reservoir-evaluation practice.
• Ryder Scott Company: Houston-headquartered reserves auditor providing independent reserve estimates and SEC-compliant reporting for E&P clients globally — directly competes with Miller and Lents in the same independent-reserves niche.
• DeGolyer & MacNaughton: Long-established Dallas-based petroleum consulting firm offering reservoir evaluation, reserves audits, and geoscience studies — directly comparable to Miller and Lents in scope, client type, and historical positioning.
• Sproule: Calgary-based independent reserves and resource evaluation consultancy serving E&P companies on SEC/National Instrument 51-101 reserves reporting — direct peer in independent reserves advisory with North American upstream overlap.
• Gaffney, Cline & Associates: Global oil and gas advisory firm providing independent reserves audits, reservoir engineering, and transaction support — comparable in offering a boutique, expert-led independent advisory model to upstream clients.

Emerging players

• Bayphase: Independent reserves auditor focused on listed-rule reserves reporting (PRMS/SEC); a smaller, growing peer competing for the same independent-reserves mandates as Miller and Lents.
• AGR (Aker Solutions): Energy consultancy and reservoir management firm providing independent reservoir studies and drilling/well engineering support to operators — adjacent peer with overlapping upstream consulting offerings.

Broad incumbents

• S&P Global Commodity Insights (incl. IHS Markit heritage): Large-scale energy research, data, and advisory platform serving E&P, financial, and policy clients — overlaps with Miller and Lents in upstream benchmarking data and reserves/commercial advisory, though at much broader scope.
• Wood Mackenzie: Global energy research and consultancy covering upstream asset evaluation, reserves/commercial due diligence, and sector forecasting — a scaled competitor adjacent to Miller and Lents' advisory work.
• RPS Group (RWE/Tetra Tech heritage): Diversified energy and environmental consulting firm providing subsurface, reserves, and energy-transition advisory to E&P and infrastructure clients — broader scope but overlapping independent advisory work.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/millerandlents
• LinkedInlinkedin.com/company/miller-and-lents-ltd

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Miller and Lents