Founded in 1989, PMSI always has had a clear vision – to bring genuine commercial insights and to our clients through diligent, analytical rigour.
Founded in 1989, PMSI always has had a clear vision – to bring genuine commercial insights and to our clients through diligent, analytical rigour.
Since then, PMSI has built a trusted reputation, providing commercial advisory across the UK, US and Europe – supporting some of the UK’s most prominent businesses and investors, across Pharma & Healthcare, Business Services, Education and Technology, Built Environment and Industrial markets.
As a boutique consultancy, we offer a bespoke, hands-on, partnership-led approach, with an unmatched level of senior involvement – helping our clients to navigate challenging processes and seize opportunities with clarity.
We also bring a collaborative, empathetic working style to our client engagements – with a strong focus on creating a sustainable environment to develop our specialist strategy consultants, enabling them to deliver the highest quality of work.
As a result, we have built a leading, sector-led commercial due diligence advisory practice within the mid-market investment community, respected by private equity, corporates and the wider investment community.
As we scale, we will continue to invest in our people, our methodologies, and our sector knowledge – because we know that strategic insight does not just answer questions – it unlocks growth.
Meet the team
We use our broad and deep industry experience to provide insightful, expert commercial due diligence advice that helps clients make confident, well-informed investment decisions.

Innovation, expertise, and leadership
30+
Years of experience
250+
Successful projects
150+
Clients served