Boutique Insurance Advisory

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We offer a fresh and vibrant approach to insurance, recognising that every business and individual faces their own set of unique risks and challenges.

With Sioma, you’re not just a client – you’re a valued partner

Backed by a strong technical insurance background; our business leaders bring invaluable knowledge honed through years of experience in underwriting to handle the complexities of commercial insurance with unparalleled precision and the intricacies of advising ultra high net worth individuals.

At Sioma, we prioritise quality over quantity, allowing us to offer an unrivalled level of customer service. By focusing on a select number of complex and high-value clients, we ensure that each interaction reflects our dedication to excellence.

£2bn+

Value of real estate insured in the UK

50+

Different industries serviced

£15m

Highest value body part insured

£2.3m

Highest value individual vehicle insured

£1.6m

Highest value individual antique insured

£105m

Largest construction site insured

Recent Case Studies

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Business

London Property Developer

Our client is a property developer in Central London that purchases sites for redevelopment into high end residential.

Business

Bespoke Electric Vehicle Manufacturer

Our client restores and up-cycles vintage cars and commercial vehicles into modern electric vehicles.

Business

Billion pound global construction company

Our client is a major global construction company across the globe and entered the UK market in 2019.

Wealth

UNHW individual

Our client is an ultra high net worth individual with a significant jewelry collection.

Business

International Fitness Chain

Our client is an international fitness studio that has 84 locations around the world and 9 studios in the UK.

Career

E-Gamer

Our client was one the UK’s top E-Gamers who at a young age suddenly had a very significant income stream.

Career

Professional Footballers

Our client is a professional footballer that plays for top premier league team.

Business

Property Investment Portfolio

Our client is a large property investment company with a diverse portfolio of significant buildings across London and parts of Europe.

Life

Co-working space provider

Our client runs a successful co-working office space business across the UK.

Wealth

Professional Footballer

Our client is a professional footballer that plays for top premier league team.

View Case Studies

OUR STORY

Sioma’s founder, Alexander Margolin, has over a decade of experience in the industry, having spent 6 years at the largest insurance company in the world, Allianz, prior to founding Sioma in 2018.

During his time at Allianz, underwriting mid-corporate property and casualty risks in the City of London, Alexander completed his insurance professional exams to become a Chartered Insurance Broker. He was recognized by the industry and awarded Young Underwriter of the Year at the Insurance Post Underwriting Services Awards in 2015.

Most recently, Alexander was named one of the top 24 talents under the age of 35 in the UK insurance industry by Insurance Business UK and won the coveted Broker of the Year (under 35) award from the industry trade body – the British Insurance Broking Association.

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