Baker Street Advisors is a multi-family-office and wealth advisory firm serving successful families, founders, executives, and foundations. bakerstreetadvisors.com

Astons advises individuals and families on residence, citizenship, investor immigration, property, and relocation. astons.com

Asseta provides an AI-enabled family office suite focused on accounting, reporting, entity structures, bills, documents, and operational administration. asseta.ai

Asset Vantage provides accounting, investment reporting, data aggregation, portfolio analytics, and financial oversight software for single-family offices, multi-family offices, accountants, and advisers. assetvantage.com

Aspiriant is an employee-owned independent wealth-management firm providing financial planning, investment management, tax coordination, and family-office services to high-net-worth individuals, executives, entrepreneurs, and multigenerational families. aspiriant.com

Asora provides purpose-built software for single-family and multi-family offices, covering bank and custodian data aggregation, portfolio oversight, documents, reporting, and secure collaboration. asora.com

Ascentium is a global business-services platform whose fiduciary, funds, and private-client division incorporates the former Harneys Fiduciary business. ascentium.com

Arton Capital is an international advisory firm specializing in residence and citizenship planning for high-net-worth individuals and families. artoncapital.com

ARKWOOD is a Paris law firm dedicated to private clients and wealth taxation. arkwood.fr

Archway provides technology and outsourced operations connecting family office accounting, investment management, partnership administration, bill payment, and consolidated reporting. archwaygroup.com

Arbuthnot Latham is a British private and commercial bank serving entrepreneurs, professionals, family businesses, and high-net-worth individuals. arbuthnotlatham.co.uk

Apex Capital Partners is an international investment migration and private-client advisory firm serving individuals, families, institutions, and governments. apexcapitaladvisory.com

Andersen is a tax and advisory organization with a substantial private-client practice serving individuals, families, executives, entrepreneurs, and family offices. Its services include income-tax planning and compliance, estate and gift planning, family-office support, valuation, and international coordination.

Andbank is an independent, family-owned private-banking group originating in Andorra. andbank.com

Altum Group provides fund, family-office, corporate, capital-markets, regulatory, and tax services. altumgroup.com

Altoo provides digital wealth aggregation and visualization for ultra-high-net-worth individuals, single-family offices, and advisers. altoo.io

AlTi Global is a publicly listed global wealth and investment platform serving families, individuals, fiduciaries, family offices, foundations, and institutions. alti-global.com

Aleta provides consolidated wealth reporting and wealth-intelligence software for single-family offices, multi-family offices, principals, and private-wealth firms. aleta.io

Affinity Private Wealth is an independent, owner-managed trust company serving international families, high-net-worth individuals, family offices, and businesses. affinitypw.com

MAI Capital Management is a wealth-management and registered investment advisory firm providing financial planning, investment management, tax coordination, family-office services, and private-client advice to families, business owners, executives, athletes, and institutional clients. mai.capital