
Trusted advisors for transparent and resilient energy solutions
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.
Regulatory Advisory & Compliance
Guidance on energy policy frameworks, regulatory alignment, and compliance with evolving industry standards.
Subsurface & Production Optimization
Reservoir evaluation, well & facilities management, recovery efficiency, and production strategy.
Trusted advisors for transparent and resilient energy solutions

Driving Value Creation
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 entire energy value chain:

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.

Global Standards, African Focus
Independent & Trusted
We are fully independent, ensuring unbiased advice that prioritizes our clients’ best interests
Global Expertise, Local Insight
With decades of international oil & gas leadership and deep knowledge of African markets, we bring the best of both worlds.
Proven Technical Excellence
Our consultants combine advanced subsurface, production, and regulatory expertise to solve the most complex energy challenges.
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Team Member
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Work Have Done
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Happy Clients
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Awards Wining