Consultancy Services

Empowering businesses to thrive through access to impact investments

Who We Are

Step Stone and its partners OS Services Group and Crimson Advisory LLP, offer tailor made financial advisory solutions to growth stage companies. Our financial advisory coverage is Anglophone West Africa, and our principal operational area is Ghana.

Brown Concrete Bridge Above Body of Water Under Blue Sky and White Clouds

Our Alliance

Expertise you can count on

Step Stone is an impact investment advisory firm with the aim of offering a full range of advisory services to support businesses gain access to the funding they need to achieve impactful business growth.

Initially established as a Business Development Support Services firm, Step Stone has since its inception assisted various businesses in providing comprehensive capital raise advisory services.

Our alliance with other professional service firms allows us to offer a remarkable range of professional advisory services including project finance, capital raising, investment and financial advisory, business legal advice etc.

We support the growth of companies by enabling them access the funding they need to continue to have substantial socio economic impact through the services and products they offer.

Our Core Services

We offer a boutique of services tailored to client needs.

Financial & Transaction Advisory

Growth & Expansion Capital Raising

Corporate & Project Finance

Business Restructuring and SME Development

Professional Training Programs in Private Equity & Project Finance

Sector Focus

Our Core Team


Frederick Lartey, Director


Fred is a Chartered Development Finance Analyst with several years of experience providing comprehensive financial advisory services. He collaborates with businesses to access growth and expansion capital, working closely with international financial institutions focused on Sub Saharan Africa. Fred holds a degree in Finance and Banking, MSc - Development Finance, LLB (Law) and is pursuing a Masters in Law (LLM). He is a member of the Chartered Institute of Development Finance Analysts (SA).


Anthony K. Kporsu, CFO


A highly skilled researcher in energy efficiency and environmental sustainability, with a strong background in econometrics and implementing financial strategies to drive business growth. Tony brings to Step Stone a track record of success in treasury management, budget implementation, regulatory compliance. Tony is currently a PhD Candidate at the Jiangsu University.


Mansah Ampomah, Partner & Client Relations


Mansah brings to Step Stone years of experience in business development, PFI and Client relations. With vast experience in aviation industry she handles deal origination, team development and operations.


Ama Addo (Esq.), Legal


Ama specializes in providing financing solutions to diverse industries, from start-up agri enterprises to energy producers and upstream contractors. As a Legal Practitioner, Ama has extensive experience in the energy sector, advising on onshore and offshore development projects. Ama's memberships in the Ghana Bar and the Bar of England Wales testify to her expertise and dedication.

Jonathan Lane, Director



Jonathan is a seasoned finance professional with expertise in private equity, capital raising, and fund formation. He has worked in the energy, infrastructure, and natural resources sectors across various countries. Additionally, he provides advisory services to national governments on infrastructure policy and funding strategies. Jonathan holds degrees in finance and economics and has published academic papers on infrastructure investing. He is fluent in French, proficient in Spanish, and has a basic understanding of Japanese.




Grant is a qualified Chartered Accountant who served his articles with Ernst Young in Cape Town. He has a cumulative 25 years' experience in advertising, management consulting, professional services, retail, and ship building. Grant is passionate about developing vessel financing solutions for clients, and has worked with an array of international specialists to achieve this goal.

Our Impact

Turning insights into action has driven our impact on clients over the years.

PE & PF Training Program

Get in Touch


SGMC Avenue, East Legon Hills, Accra - Ghana




(+233) 553 261 216