Making junior mining investment understandable.

Ranger Advisory operates as an independent and unbiased mining research & advisory platform focused on junior mining.

Our mission is to turn geological discovery and project development into actionable investment intelligence.

Field work on a mining exploration site
Founded by practitioners, not promoters.

We have no ties to mining companies, no deals to push. Just independent analysis built on years of hands-on industry experience.

Our Team

From field expertise to investor insight.

Portrait of Vladimir de Maack
Vladimir de Maack
Business Development
Investment professional with 20+ years of experience in asset management, capital raising, and investor relations across institutional and private clients.
Portrait of Thibault Levacher
Thibault Levacher
Research & Investment
Professional investor with over a decade of experience combining mining exploration research, on-site due diligence, and disciplined portfolio management.
What sets us apart

Our approach

Return focused
Boots on the ground approach
A professional framework
What we do

We help investors select high-potential junior mining companies through independent research, disciplined analysis, and field validation.

Curated opportunities.
Built for higher-conviction decisions.

A structured approach to identify, evaluate, and follow the most promising exploration stories, without the noise.

Drill core samples
100 curated stocks out of 2,200+ screened

We combine quantitative filters, qualitative deep-dives, and direct management/field insights to turn complex exploration risk into a clear, investable shortlist.

A disciplined three-stage selection process

Binary Screening
Automatic filtering (API database)
2,200 → 500 stocks
Eliminates structurally non-viable companies
Discriminate
Market capitalization and liquidity
Dilution
Viability
Gradient Scoring
Automatic filters + manual scoring
500 → 300 stocks
Combines factors to create relevant scoring aggregates
Weight
Geology
Jurisdiction
Management experience
AGR
Valuation
Expert Review
Direct interactions / on-site visits
300 → 100 stocks
Confirm high-conviction opportunities through real engagement
Validate
Technical validation
Management track record
Infrastructure & social license
Komatsu mining truck on site