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Company

MASECO

Position

Managing partner

Founder

Index

HNW Wealth Managers

Location

London

Advice type

Financial planning

Investment management

Relationship management

Wealth planning

Client type

Families

HNW

Non-domiciles

UHNW

Sector Focus

Financial Services

Wealth Management & Private Banking

James Sellon

Spear’s Review

MASECO co-founder and managing partner James Sellon manages the wealth and investments of international and UK-based HNW families‘Today I spend my time advising larger families, coupled with helping drive the strategic direction of the firm,’ he says.

Built ‘from the ground up’ and proudly independent, MASECO tailors its advice by identifying family members’ emotional, environmental and intellectual needs. ‘Each family is different,’ notes Sellon, who won the Spear’s Award for HNW Asset Manager of the Year in 2016. He provides every client with a personalised plan, emphasising the importance of ‘coordinating the approach between tax and cash flows’.

The firm consistently posts ‘very high’ net promoter scores, Sellon notes, and most of the firm’s advisers have trained at MASECO, resulting in a ‘strong, cohesive culture’.

Rank: Top Recommended

Top Recommended 2025, HNW Wealth Managers

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