Business Details
17 Years
experience
Trusted Investment Management Services in London
Established in 2009 by industry veteran John Duffield, Brompton Asset Management Group combines decades of expertise with a dynamic approach to investment management. Our team, comprising seasoned professionals from renowned firms like Jupiter Asset Management and New Star Asset Management, specialises in multi-asset strategies designed to deliver consistent risk-adjusted returns. Through a disciplined process of dynamic asset allocation, we tailor solutions for mutual fund investors, private clients, and institutions, ensuring alignment with individual risk profiles and financial objectives. Our commitment to transparency and client-centric service is reinforced by our partnership structure, which guarantees direct access to decision-makers.Recognised with prestigious awards including the LSEG Lipper Fund Award, we maintain rigorous compliance with Financial Conduct Authority regulations while continuously innovating to meet evolving market demands. Our collaborative culture fosters long-term relationships with clients and partners, underpinned by a shared success model that aligns our goals with those of our investors. With a global perspective and local market expertise, we provide comprehensive investment solutions supported by regular portfolio reviews and accessible reporting tools.
Services
Multi-Asset Investment Management
Discretionary Portfolio Management
Dynamic Asset Allocation
Fund Management
Private Client Services
Institutional Investment Solutions
Real Estate Investment
Model Portfolio Services
Collective Fund Management
Risk-Graded Investment Strategies
Details
- Year established: 2009
Highlights and features
- We offer 30+ years of combined experience from our senior team previously at Jupiter and New Star Asset Management
- Our proprietary dynamic asset allocation strategy actively adjusts to global economic cycles
- We maintain a transparent fee structure with no hidden transaction costs
- Our partnership model ensures direct access to portfolio managers for private clients
- Award-winning track record in multi-asset fund management since 2012
Associations and certifications
- Financial Conduct Authority
Services
Multi-Asset Investment Management
Our multi-asset investment approach combines global market expertise with active risk management. We dynamically allocate across equities, bonds, property, and alternatives to optimise returns relative to client risk tolerance. This strategy leverages our team's extensive experience in navigating complex market cycles.
Discretionary Portfolio Management
We provide tailored discretionary management for private clients and institutions. Our approach focuses on individual investment objectives while maintaining rigorous risk controls. Clients benefit from direct access to portfolio managers and regular performance reviews.
Dynamic Asset Allocation
This core strategy actively adjusts portfolio composition based on economic cycles and market conditions. We combine macroeconomic analysis with valuation discipline to identify optimal investment opportunities across asset classes and geographic regions.
Fund Management
We manage a range of multi-asset funds catering to different risk profiles. Our fund selection process identifies specialist managers globally, focusing on proven track records and active management expertise to deliver diversified investment solutions.
Institutional Investment Solutions
We partner with financial advisory businesses to enhance their investment propositions. Our services include managing bespoke collective funds, model portfolios, and providing dedicated share classes to support institutional clients' specific needs.
People
John Duffield
Founder
With over three decades in financial services, John established Brompton in 2009 after founding Jupiter Asset Management and New Star Asset Management. He brings extensive industry experience and leadership to our strategic direction.
Gill Lakin
Chief Investment Officer
Gill leads our multi-asset investment team with over 20 years of fund management expertise. She has managed our Multi-Manager OEIC range since 2012, delivering consistent risk-adjusted returns through dynamic asset allocation strategies.
Jon Hodesdon
Head of Multi-Asset Sales
Jon brings three decades of financial services experience to his role, focusing on developing partnerships with advisory businesses. He specialises in creating tailored investment solutions that enhance clients' propositions for their customers.
Questions
What investment approach does Brompton use?
We employ dynamic asset allocation, actively adjusting portfolio composition based on economic cycles and market conditions to optimise risk-adjusted returns.
How does Brompton manage investment risk?
We use diversification across asset classes, geographic regions, and investment themes combined with specialist risk analysis software and experienced judgment to manage portfolio risk effectively.
What services are available for private clients?
Private clients receive discretionary portfolio management with direct access to fund managers, regular performance reviews, and customised reporting options tailored to individual investment objectives.
How can I verify legitimate Brompton communications?
Brompton will never make cold calls or send unsolicited emails. All official communications originate from the bromptonam.com domain. Contact us directly at 020 7045 0600 for verification.
What awards has Brompton received?
We received the 2025 LSEG Lipper Fund Award for Best Mixed Asset GBP Conservative Fund and the 2021 CFi.co award for Best Asset Allocation Strategy (UK).
How are investment decisions made?
Our process combines macroeconomic data analysis, specialist manager insights, and valuation discipline. The Chief Investment Officer maintains ultimate accountability for all investment strategy decisions.
