Navium Marine

Welcome to Navium Marine. We are a marine focused specialty MGA.

We strive to create a digitally enhanced business blending underwriting, claims leadership and competence with modern day solutions.

Our team are all long-standing insurance market professionals with a strong desire to leave a legacy of technical performance and discipline and not just ride underwriting cycles.  We have a track record of delivering profitable results and we are committed to delivering value to our capacity and to our clients.



About Us

Navium Marine Limited was established in May 2021 with a focus on quality marine insurance. Our team has a reputation for approachability and flexibility in developing new structures for both existing and emerging risks.

Clive Washbourn
CEO, CUO & Director

Clive is a market-leading figure with executive experience spanning 36 years in the Marine and Specialty markets. He has a reputation for building balanced portfolios and delivering upper-quartile results in the Lloyd’s Market, and has a track record of producing significant underwriting profits for the businesses he has worked for across market cycles. 

Prior to starting Navium, Clive was Head of Marine at Beazley, where he fostered deep relationships with brokerages and global marine insurance buyers, and built and developed high performing teams for succession.

Oliver Clark
Deputy CUO & Senior Underwriter

Ollie has previously worked as a Marine Underwriter at Atrium, AXA XL and MS Amlin, specialising in Marine and Energy Liabilities and Ports and Terminals. Ollie graduated from the University of Sheffield in 2010 and worked at Rothschild before joining the insurance industry 11 years ago. He recently completed an MBA at Cranfield University’s School of Management.

Henry Maughan
Head of Cargo & Specie

Henry has over 16 years’ experience in the London Market. His most recent role was leading the Cargo team at Antares where they delivered and exceeded their budgeted income targets and exceeded their loss ratio targets. Notably, Henry drove the team through the Lloyd’s decile 10 process, and was one of the few cargo portfolios to grow the income in 2018-2019. Henry was a member of the Joint Cargo Committee for 2020 and 2021.

Alice Edwards
Chief of Staff

Alice has over 5 years’ experience in the London Market and joined Navium in June 2022. Previously she had been at Hiscox where she worked primarily with the Marine and Energy Leadership Team. After graduating in Law from University of Exeter she worked within the tech industry before joining the Insurance Market.


Alex Hill
Hull & War Assistant Underwriter

Alex joined Navium in August 2022. Prior to which he worked at Willis Towers Watson for 3 years, during which time he worked in various area, including Hull and Machinery on both placement and claims, whilst also assisting the Bloodstock and Livestock claims team. Alex has completed his Diploma in the CII, holds a Graduate Diploma in Law from the University of Law in 2019 and achieved a BA in History from University of Exeter in 2017.


Amy Slade
Underwriting Assistant

Amy Joined Navium in October 2022. She has many years’ experience within the Lloyds Insurance market supporting underwriters across a broad range of classes of business. Amy’s insurance career began at Xchanging before working at Brit Insurance and the last 11 years at Antares Syndicate.

Beth Wells
Underwriting Assistant

Beth joined Navium in May 2023 having graduated with a BSs/degree in Physical Geography from the University of Reading. She went on to complete a Masters in Environmental Management from the University of London, Birkbeck in September 2023.

Cameron Hagley
Claims Assistant

Cameron joined Navium in January 2023 as her first role within the London Market. She is developing her understanding of Marine Claims and is specialising within H&M and Marine Liability.

Constantine Hadjipateras
Claims Manager

Constantine joined Navium in June 2023. Prior to joining he was a Claims Manager at Seascope Insurance Brokers for 9 years, specialising in Hull & Machinery and Yacht claims. He graduated in 2010 from Bayes Business School with an MSc in Shipping, Trade and Finance.

Danielle Basstoe
Cargo & Specie Underwriter

Danielle joined Navium in June 2021 after 21 months as a Cargo Underwriting Assistant at Antares. Danielle completed her ACII qualification to become an Associate Member of the Chartered Insurance Institute in January 2022.

Eliza Kearns
Claims Assistant

Eliza joined Navium in September 2023. Prior to this she completed a BA in French at the University of Bristol in June 2023.

Emma Roadnight

Emma joined Navium in November 2021 and has 13 years’ experience in the London Market. She first started out as a CAT Risk Analyst at Canopius and since then, she has worked at Travelers, MS Amlin and Antares, underwriting on the Cargo and Specie accounts. Emma holds a MSc in Business Analysis and Finance and a BSc in Economics.

Gemma Swan
Underwriting Assistant

Gemma joined Navium in February 2023. She graduated from UCL in 2022 with a degree in History and French and before joining Navium was working in the FinTech Industry.

Gillian McCombes
Hull Underwriter

Gillian has over 18 years of experience as a Marine Underwriter. She joined Navium in April 2022 and prior to this worked in Lloyd’s of London at Atrium. In her previous role, she wrote a consistently profitable Marine book and developed significant market expertise in Hull, Disbursements, War and Builder’s Risks.

Lewis Ross
Cargo & Specie Assistant Underwriter

Lewis joined Navium in February 2022 as his first role within the London Market. He has developed a strong understanding of Cargo and Cargo War.

Madison Wallis
Senior Receptionist

Madison joined Navium in April 2023, previously working at Rathbones as a Reception Administrator. She graduated from the University of Chichester in 2017 with a BA Hons in Musical Theatre.

Michael Prendeville
Cargo & Specie Underwriter

Michael joined Navium in March 2023 from WTW, where he was an Associate Director handling a global book of large and complex business.  After graduating from the University of Nottingham in Economics, Michael joined the industry on the WTW graduate scheme, and became an Associate Member of the Chartered Institute of Insurance in 2018.

Millie Perrin
Hull & War Underwriter

Millie joined Navium in November 2021 from the Lloyd’s of London Insurance Graduate Scheme. She undertook placements in the Lloyd’s Corporation, Canopius, and Marsh Marine Teams and completed her ACII. Millie graduated from the University of Cambridge with a BA in Anglo-Saxon, Norse and Celtic History and an MA from Newcastle University in Early Medieval Archaeology.

Noris Kanaharajah
Underwriting Assistant

Noris joined Navium in August 2023 after 2 years as software developer for Worldline. He graduated from University of Portsmouth in 2021 with a Masters in Mechanical Engineering.

Oliver O’Leary
Underwriting and Operations Assistant – Intern

Oliver is currently a student at the University of Bath, where he is completing an Economics undergraduate degree. He began his placement year at Navium in July 2023 and is working across all areas of marine insurance as well as assisting with operations.

Ophelia O’Brien

Ophelia joined Navium in May 2023 after graduating from Sheffield Hallam University in 2022.

Rosie Gillett
Underwriting Assistant

Rosie joined Navium in July 2023 after graduating from the University of Southampton with a BSc in Environmental Science.

Sally Newing
Claims Manager

Sally joined Navium in February 2024. Prior to joining she worked for Marine TPAs for 12 years, specialising in Cargo claims and also involved in GA and salvage matters. Sally began her London Market career in 1993 handling North American non-marine APH and LMX legacy claims.

Simon Fraser
Underwriting Assistant

Simon joined Navium in June 2023 as a Hull and War Underwriting Assistant. Prior to this he completed the apprenticeship scheme at Lloyd’s of London.

Simone Holliday

Simone Holliday
Senior Claims Manager

Simone has been working in the Marine insurance class for over 25 years. She joined Navium in November 2022 having previously handled yacht business as a claims and placing broker in the London market and has worked on Brown Water P&I, Hull claims, Blue Water Hull, SRL, Builders Risk, Comprehensive Marine General Liability, Ports & Terminals, Maritime Employers Liabilities, Cargo, War, LOH, Maritime Employers Liabilities, Energy Onshore/Offshore Physical Damage and Associated Liabilities.

What we do

Navium offers insurance across the full range of Marine classes.  Our experience allows us to understand the keys risks faced by our clients whilst also looking to pioneer new approaches to risk selection and loss management.

Ship Building



Ship Owning


International Movement of Goods



Marine Liability


War/Kidnap and Ransom

Ports and Terminals