Roseanne is a highly experienced projects, infrastructure and procurement lawyer who has worked on some of the UK’s most innovative and complex projects for the public sector.
With over 30 years’ experience in the field, Roseanne brings expertise relating to all aspects of project delivery from strategy to execution. She specialises particularly in complex civils projects, environmental infrastructure including health, rail, waste, sewage and the built environment. Roseanne advises on procurement rules, commercial structures and negotiation, delivery models, construction contracts, security suites and communications.
Ros is an NEC and alliancing expert and advises in respect of collaborative strategies.
She advises on all manner of procurement strategies for local authorities and central government and has advised on routes from the fully negotiated procedure to the streamlined competitive dialogue.
In addition, Roseanne has a very active IT practice in which she specialises in transition strategies and remedies as well as considerable experience in the theatre, sport and leisure sectors.
Roseanne is considered to be a leader in the infrastructure and PPP sector and is regularly asked to speak at national events. She has met and spoken with civil servants on a number of foreign government delegations visiting the UK.
In 2024, Ros was awarded a Lifetime Achievement Award by the Partnership Bulletin in recognition of her major government project portfolio work
Roseanne is also a trustee of Kids Inspire and Another Way.
Roseanne Serrelli is exceptional at communicating complex legal and contractual messages in layman’s terms, which means that no matter your understanding or level of experience, it becomes easy to grasp and follow – this is incredibly helpful when trying to upskill the wider procurement team.
Legal 500 2023
I have to give a massive shout out and thanks to Roseanne Serrelli and Nicola Sumner as being just absolutely amazing and brilliant. Their individual knowledge, experience and advice on their specialities is second to none.
Legal 500 2023
Always an absolute delight to deal with. She commands absolute respect across the commercial teams on the project.
Legal 500, 2019
A formidable negotiator, but with a style that is incredibly friendly.
Chambers and Partners UK 2017
Roseanne Serrelli has breadth and depth of knowledge and is client and value focused.
Legal 500 2021
Offers a wealth of experience in PPP/PFI waste and water matters.
Chambers and Partners UK 2017
20 June 2025
Public-private partnerships (PPPs) have long played a central, if controversial, role in UK infrastructure delivery. For over twenty years, models like the Private Finance Initiative (PFI) and its successor, PF2, underpinned investments across schools, hospitals, justice buildings and transport networks. Yet by the end of the 2010s, these models were widely discredited. Concerns over inflexibility,…
Read more3 May 2024
Sharpe Pritchard is delighted to announce that, Head of Infrastructure, Nicola Sumner, and Head of Strategic Projects and Innovation, Roseanne Serrelli, have jointly received the Lifetime Achievement award at the 2024 Partnership Awards—the “most prestigious recognition of excellence” in the public-private partnership (PPP) sector. This is in recognition of their joint infrastructure practice at Sharpe…
Read more15 March 2024
Partners and associates at Sharpe Pritchard, a leader in public sector law, are celebrating its most recent shortlisting for Legal Advisor of the Year at the Partnership Awards 2024. Recognised as the industry’s most significant celebration of excellence in the public-private partnership (PPP) space, the Partnership Awards spotlight those who leverage partnerships to achieve extraordinary…
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