Techno-economic Analysis

Do you want your investment
decision to be informed by
strong technical and economic

We combine industry experience and
technical expertise to help our clients
evaluate, compare or juxtapose
technologies in terms of technical
performance, operational efficiency,
energy efficiency and economics.


Research Consulting

Does your business require
evidence to support a critical decision?

We can deploy our research expertise to help you conduct
evidence-based research and analysis that would inform your
decision making.


Policy Support

Do you require data to support
your policy strategy?

Our army of field surveyors, desk-based researchers and
analyst are capable of obtaining accurate data for your project.
We also have the tools and expertise to carefully analyse the
data to arrive at a conclusion that would support your


Productivity improvement and operational excellence

Are you looking for new ways to
optimize your asset performance
and eliminate inefficiencies?

We adopt a bespoke integrated approach, which is both
organizational and technological, to help our clients
deliver speedy, scalable and sustainable results.


Energy Systems Advisory

Would you like to reduce your energy
consumption and increase profitability?

We have a team of energy efficiency and process improvement
experts that would help you optimize your system to reduce
energy consumption and increase profitability.


We are an independent research and consultancy company helping organisations to resolve complex problems in the oil and gas industry, power, manufacturing, and water sector. We were first registered in England, United Kingdom in 2014 as a partnership known as KSND Oil and Gas Consultants. In 2016, we incorporated the business in Nigeria as Fleissen & Company Limited. Since then, we have executed projects spanning from the petroleum industry to educational institutions. Our strength is in our ability to source, identify and analyse critical information and present the findings in a manner that is easy to understand by our client. Our consultants and analysts have strong research skills and understanding of their industry to support client projects, whether big or small.

Why Choose Us?

Quality people

Our work requires people with strong mental capabilities. Our consultants have unparalleled knowledge and experience of their industry. They are very professional and client-centric. They are good with analysis as they pay attention to details that an average consultant may not even see.

Quality work

We work alongside our clients to ensure that the work we deliver is of the highest standard possible. Our definition of a quality work is when our recommendations completely resolve our client’s problem. We not only deliver the work; we also guide the client to ensure seamless implementation of the recommendations.


We match our words with actions. We deliver all our projects on time no matter the complexity of the problem at hand. We also understand the need to obtain quality data to support client decision making. We spend time and resources to ensure that we obtain accurate data that would back our recommendations.


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