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Harriman Ross & Blackwoods (HRB) is an independent energy consulting and advisory firm, trusted by governments, operators, and investors across Africa and globally. With over two decades of oil & gas leadership, we deliver transformation through technical excellence, operational efficiency, and digital innovation.
HRB provides specialized advisory and execution services across the energy value chain:
- Acquisition & Consulting – The firm provides end-to-end advisory and execution support for block acquisition, asset development, and energy sector optimization. Its services span technical, commercial, and regulatory dimensions of the oil and gas value chain.
- Subsurface & Production Optimization – reservoir evaluation, well & facilities management, recovery efficiency, and production strategy.
- Asset Integration & Value Capture – due diligence, synergy identification, and post-M&A integration.
- Regulatory Advisory & Compliance – guidance on energy policy frameworks, regulatory alignment, and compliance with evolving industry standards.
- Digital Solutions & Transparency Systems – real-time monitoring, AI-enabled oversight, and data governance.
- Training & Capacity Building – industry-certified programs focused on safety, technical excellence, local content growth, and workforce capability enhancement.
Harriman Ross & Blackwoods (HRB) is an independent energy consulting and advisory firm, trusted by governments, operators, and investors across Africa and globally. With over two decades of oil & gas leadership, we deliver transformation through technical excellence, operational efficiency, and digital innovation.

Tailored to the unique challenges of African energy markets
We combine deep technical know-how with cutting-edge technology partnerships to deliver solutions that are: Independent and trusted. Grounded in proven international benchmarks (Nigeria, Norway, Brazil, Ghana, etc.). Tailored to the unique challenges of energy markets.
To be the partner of choice for governments, operators, and investors seeking transparent, efficient, and sustainable energy systems in Africa and globally.
Nigeria: Subsurface integration and asset advisory under the PIA framework. Global: Partnerships with leading technology and service providers to bring best-in-class solutions to frontier and mature energy markets.
HRB is driven by the values of Integrity, Independence, and Innovation. We are not just consultants — we are long-term partners committed to helping our clients unlock full potential and deliver lasting value.