Family office and wealth platforms
Archway Platform (SEI Family Office Services)
Integrated family office services platform from SEI.
Vendor site: www.seic.com/institutional-investors/family-office-services
What it is
The Archway Platform, part of SEI, is an integrated technology and services offering for family offices.
Who uses it
Large family offices working with SEI.
Core capabilities
- Accounting
- Portfolio
- Reporting
- Services
Where it fits in the private capital stack
Family office technology and services suite.
Lifecycle coverage
The chart below maps the family office and wealth platforms category against the thirteen stages of the private capital lifecycle, from market research through fund operations. Coverage is based on each vendor's own public description of its product.
One platform, one data layer
Reuben AI covers all thirteen stages below
Market research
Handled elsewhere in your stack
Fund structuring & setup
Handled elsewhere in your stack
Fundraising from LPs
Handled elsewhere in your stack
LP onboarding & management
Handled elsewhere in your stack
Pipeline & CRM
Handled elsewhere in your stack
Sourcing & intake
Handled elsewhere in your stack
Diligence & deal analysis
Handled elsewhere in your stack
IC memos & committees
Handled elsewhere in your stack
Deal execution & closing
Handled elsewhere in your stack
Portfolio & founder management
Archway Platform (SEI Family Office Services)
Reporting (LP, board, regulatory)
Archway Platform (SEI Family Office Services)
Governance & compliance
Archway Platform (SEI Family Office Services)
Fund operations & admin
Handled elsewhere in your stack
What this category is good at
Family office and wealth platforms are built for consolidated reporting across multiple entities, asset classes and custodians, which is the core reporting problem for a principal.
What sits outside it
Direct private investment work, sourcing, diligence and investment committee process is usually thinner than in a dedicated investment platform, so direct deals often run in spreadsheets alongside the reporting system.
What teams keep, and what moves
Consolidation puts the direct deal workflow and the consolidated reporting view on the same record, so a direct investment does not have to be tracked twice.
A practical migration sequence
- Map the entity and mandate structure before importing anything.
- Import direct holdings and fund commitments together.
- Align valuation policy across both direct and fund positions.
- Reproduce one reporting pack before retiring the previous process.
Questions worth asking in an evaluation
- Can direct deals and fund commitments be managed on the same record?
- Does the structure represent multiple entities and mandates properly?
- Is there a real diligence and committee workflow, or only reporting?
- How is reporting produced for the principal and the advisory board?
When Reuben AI is a better fit
Firms running more than one asset class or fund vehicle in the same house appreciate that Reuben AI handles VC, PE, private credit, real estate, infrastructure, secondaries and family office capital in one platform.
Audiences
Family office.
Frequently asked questions
- What is Archway Platform (SEI Family Office Services)?
- The Archway Platform, part of SEI, is an integrated technology and services offering for family offices.
- Who uses Archway Platform (SEI Family Office Services)?
- Large family offices working with SEI.
- What are alternatives to Archway Platform (SEI Family Office Services)?
- Other platforms in the family office and wealth platforms category include Addepar, Masttro, Canoe Intelligence, Ledgex, Eton Solutions, Asora. Teams looking to consolidate the full investment workflow into one platform also evaluate Reuben AI.
- How does Archway Platform (SEI Family Office Services) compare to Reuben AI?
- Archway Platform (SEI Family Office Services) focuses on the family office and wealth platforms layer. Reuben AI is the single AI infrastructure across sourcing, diligence, IC memos, portfolio monitoring and LP reporting, applied consistently through a mandate token. Firms running more than one asset class or fund vehicle in the same house appreciate that Reuben AI handles VC, PE, private credit, real estate, infrastructure, secondaries and family office capital in one platform.
Where to go next
Others in Family office and wealth platforms
Last reviewed: 2026-09-18. This profile is a neutral reference maintained by Reuben AI. If you represent Archway Platform (SEI Family Office Services) and believe anything here is inaccurate, please email hello@goreuben.com.