Membership
Perchstone & Graeys Consulting Ltd is a proud member of


Consulting Services
Perchstone & Graeys Consulting Ltd is a leading consulting company located in the heart of London,
offering cutting-edge consulting services to its clients in the areas of energy and infrastructure, alternative dispute resolution, patent and copyright, and other disciplines.

Energy (Oil and Gas and Renewable Energy)
Our expertise in crude petroleum extraction combines advanced technology with industry best practices to optimize exploration and production. We offer comprehensive services that ensure regulatory compliance, enhance operational efficiency, and support sustainable practices in the oil and gas sector.

Patent and Copyright
We specialize in protecting intellectual property through expert patent and copyright services. From securing patents and managing copyright portfolios to navigating complex legal frameworks, our team ensures robust protection and strategic management of your intellectual assets.

Alternative Dispute Resolutions
Our ADR services offer effective solutions for resolving conflicts outside traditional litigation. We provide expert mediation and arbitration to facilitate fair and efficient dispute resolution, helping parties achieve mutually beneficial outcomes and maintain positive relationships.

Consulting Services
We offer a range of consulting services across various industries to address complex business challenges. Our team provides strategic insights, process optimization, and tailored solutions to drive growth and operational excellence. Whether you need expertise in management, technology, or organizational development, our consulting services are designed to meet your specific needs and deliver measurable results.
Our Vision
“To be a consulting firm of global standards providing services to our clients with competence in our core practice areas.”
Our Mission
“To build a front-line firm of dedicated professional consultants and proactive support staff with personal integrity, analytical skills and determination to help our clients succeed in the global market place by exceeding their expectations.”
Our Core Values
“Integrity, Character, Competence, Professionalism, Leadership”
Our Team

Osaro Eghobamien, SAN
Founding Partner P&G LPOsaro is one of the Founding Partners of the firm, and is also the Managing Partner of the firm, leading the Dispute Resolution, Capital Markets, Banking & Finance and Private Client Practice Groups.
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Dr. Tolu Aderemi, FIAP
Director / PartnerTolu Aderemi is the Director in charge of the P&G UK office. He also heads the Energy practice of the business and brings almost two decades of experience in handling complex and cross-border transactions.
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