SEI Closes Deal with Aquiline for Family Office Services

Deal News | Jul 01, 2025 | SEI Investments Management Cor

SEI Closes Deal with Aquiline for Family Office Services

Aquiline, a private investment firm focusing on financial services and technology, has successfully acquired SEI's Family Office Services business. The transaction, effective as of June 30, transitions the business to operate under the name 'Archway,' offering integrated technology and outsourced services that cater to the accounting, investment management, and reporting needs of family offices and financial intermediaries. Aquiline's Managing Partner, Vincenzo La Ruffa, emphasized the capabilities of the Archway Platform in streamlining investment management, operations, and reporting functions to support the complexities of family offices. He expressed enthusiasm about investing in Archway to continue its client success. Sandy Ewing, the former head of SEI's Family Office Services business, noted the shared commitment of Aquiline and SEI to providing comprehensive technology solutions. SEI's expertise has been instrumental throughout the transaction process. The Archway Platform is recognized for its sophistication in supporting ultra-high-net-worth families and, as of March 31, 2025, handled $733 billion in assets. Aquiline was advised by Morgan Stanley & Co. LLC as a financial advisor, and Ropes & Gray LLP served as their legal counsel, while Holland & Knight was the legal advisor for SEI.

Sectors

  • Financial Services
  • Technology

Geography

  • United States – SEI is headquartered in the US, and the transaction primarily involves entities operating within the US financial sector.
  • United Kingdom – Aquiline has operations in London, expanding the geographic relevance to include the UK.

Industry

  • Financial Services – This sector encompasses the provision of financial services to both family offices and financial intermediaries, aligning with the focus of the Aquiline and SEI acquisition.
  • Technology – The article highlights the role of technology in delivering financial insights and streamlining operations, a crucial service offered by the Archway Platform.

Financials

  • $733 billion – The amount of assets supported by the Archway Platform as of March 31, 2025.
  • $12 billion – Aquiline's total assets under management as of March 31, 2025.
  • $1.6 trillion – The total assets managed, advised, or administered by SEI as of March 31, 2025.

Participants

NameRoleTypeDescription
Aquiline Capital Partners LPBidding CompanyPE FirmAquiline is a private investment firm specializing in financial services and technology, and it has acquired SEI's Family Office Services.
SEI Investments Management CorpSelling CompanyCompanySEI is a provider of financial technology, operations, and asset management services, having sold its Family Office Services to Aquiline.
ArchwayTarget CompanyCompanyFormerly SEI's Family Office Services, it is now a subsidiary of Aquiline, providing technology and services for family offices.
Morgan Stanley & Co. LLCFinancial AdvisorCompanyServed as the financial advisor to Aquiline during the acquisition process.
Ropes & Gray LLPLegal AdvisorCompanyProvided legal counsel to Aquiline in the transaction.
Holland & KnightLegal AdvisorCompanyServed as the legal advisor to SEI for this transaction.
Vincenzo La RuffaManaging PartnerPersonManaging Partner at Aquiline, he commented on the acquisition and the future of the Archway Platform.
Sandy EwingFormer Head of SEI’s Family Office ServicesPersonFormerly leading the Family Office Services division at SEI.