Lonmile
Family officeLondon · 20 people tracked
Also known as 4M Partners Limited · Principium Partners Limited
Investment thesis
Lonmile serves ultra-high-net-worth families as a multi-family office, providing personalised, strategic guidance across the complexities of family wealth and business. Founded by a team drawn from respected multi-family offices, it combines traditional values with a forward-looking approach, building long-term relationships and bespoke strategies that evolve with each family's needs. Services span investment structuring, legal and fiduciary matters, capital markets, structured finance, accounting, and operations. The firm also pursues technology investments, with a managing director overseeing its technology investment strategies and holding board seats at tech startups.
Source: firm website, verified Aug 3, 2026.
Team · 20 people
from the firm's website
A co-founder of Lonmile who was previously a Director at LJ Partnership (now AlTi Tiedemann Global). Has over 20 years in financial services and investments across Asia, the Middle East, and Europe.
A founding partner of Lonmile and Portuguese-registered lawyer with 20 years in investment and trust/fiduciary work. Previously Director of Family Office Services at LJ Partnership (now AlTi Tiedemann Global).
Focuses on capital markets and structured finance, with over 25 years of financial markets experience and senior roles at Citi, Deutsche, and JPMorgan. Holds an Economics degree from the London School of Economics.
Formerly a Business Development Manager at banking provider IFX and an FX dealer, assisting family offices, corporate service providers, and law firms. Manages key client relationships.
A Psychology graduate and experienced front office and administrative professional supporting front-desk and office operations across corporate, hospitality, and events environments.
Has over six years of experience in financial services, starting in trade finance and later fintech across LATAM, the Americas, and the UK, before specializing in executive support.
A mathematics graduate from Queen Mary University of London who previously ran his own chess tutoring business, now focused on client services and operations.
Has over 10 years in financial services across private banking and family office settings, working with ultra-high-net-worth individuals on operations, relationships, and governance.
Sits on Lonmile's Advisory Board and is a founding partner of Sfera Legal in Central America. An expert in financial and tax law who has advised on major FDI operations in Guatemala and the region.
Sits on Lonmile's Advisory Board and is an Assistant Professor at Coventry University. An international leadership consultant with research in financial ethics and governance, holding a Doctorate in Finance.
Has experience in banking, management consulting, and education, having worked at Citibank, consulting firms, and Nord Anglia Education. Oversees and optimizes Lonmile's financial operations.
An accounting professional with over three years in legal finance and client account management. Part-qualified with ACCA and holds a BSc in Finance and Accounting from Anglia Ruskin University.
Has over a decade of accounting experience across oil and gas, telecommunications, and facilities management, and manages family accounts. Holds a Master's in International Business from Madonna University, Michigan.
Has over a decade of experience in strategy, consulting, finance, and international trade. Previously Director and Operations Manager at an international financial brokerage firm. Holds a Business Administration degree from Loyola University Chicago.
An accomplished professional with over a decade in hospitality and management focused on customer experience and operational efficiency, having held leadership positions.
An ACCA affiliate with accounting and tax consultancy experience across energy, fund management, and branding sectors, working in Lonmile's client accounting function.
Has over 10 years in private investments and previously managed his own family office. Oversees Lonmile's technology investment strategies and sits on the boards of two tech startups. Holds a Doctorate in Nanotechnology.
A Hotel Management graduate with hospitality experience who handles client matters related to external services at Lonmile.
A corporate lawyer with over 25 years of experience, formerly a partner in private practice. Bilingual in German and English and supports Lonmile on corporate and structured finance legal matters.
A Finance Manager with a background across IT software, reinsurance, FMCG, and architecture, with over nine years in finance. Previously refined his skills at PwC.
Principals & officers · per Companies House
what is this? ⓘDirector · British · since 2019
Director · Portuguese · since 2019
Naveen Mohamed Ayyaril — 25–50% of shares, 25–50% of voting rights, right to appoint and remove directors
Joao Rodrigo Nunes Mendes Soares De Matos — 25–50% of shares, 25–50% of voting rights, right to appoint and remove directors
Frequently asked questions
- What sectors does Lonmile focus on?
- Lonmile focuses on Sector Agnostic.
- Where is Lonmile located?
- Lonmile is headquartered in London, GB.
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