Your collection deserves one permanent home.
ONE Portfolio is the digital home for every artwork you own.
Organise provenance, documents, valuations, ownership history and every important record in one place—creating the trusted foundation behind every future decision.
- Provenance and documents in one record
- Ownership history preserved
- Private by default
Included with every Membership. Every collection begins here.
Every artwork deserves its own story.
An artwork is more than an object.
It carries provenance, documentation and ownership history. Images. Condition. Certificates. Valuations.
ONE Portfolio quietly preserves that history—creating a permanent digital record that grows alongside your collection.
- Provenance
- Documentation
- Ownership history
- Images
- Condition
- Certificates
- Valuations
Untitled
Composition No. 14
Oil on linen, 2019 · 120 × 90 cm
- Ownership
- Sole owner
- Location
- Primary residence
Timeline
Condition report filed
2024 · No change since acquisition
Exhibited
2023 · Kettle's Yard, Cambridge
Valuation recorded
2021 · £118,500
Acquired
2019 · Private sale, London
Documents
- Invoice of salePDF · 2019
- Certificate of authenticityPDF · 2019
- Condition reportPDF · 2024
One place for everything that matters.
Collectors often store information across emails, folders, spreadsheets, storage providers and filing cabinets.
ONE Portfolio brings every record together into one organised home.
Today
- Inbox
- Dropbox
- Invoices
- Certificates
- Insurance PDFs
- Storage receipts
- Photos
- Valuation PDFs
With ONE Portfolio
- Everything connected.
- Everything searchable.
- Everything secure.
Record 001
Study in Ochre
Oil on board, 2017 · 60 × 45 cm
- Added
- Once
- Held
- Forever
Every collection begins with one artwork.
Add an artwork once.
From that moment it becomes a permanent digital record.
Everything connected to that artwork remains connected forever.
- Record provenance
- Upload invoices
- Track ownership
- Store certificates
- Capture condition
- Organise locations
Everything stays together.
As collections grow, records become increasingly valuable.
ONE Portfolio keeps documents, valuations, ownership and history connected to every artwork—so nothing is ever lost.
Documents
Drop invoices, certificates or reports
They attach to the artwork permanently
- Invoice_of_sale.pdf1.2 MB
- Certificate_authenticity.pdf840 KB
- Condition_report_2024.pdf2.1 MB
Version history
Condition report added
Mar 2024
Valuation updated
Nov 2023
Location changed
Jun 2022
Ownership recorded
Apr 2019
Each entry is kept. Nothing is overwritten, so the record only ever grows.
Ownership changes
Every transfer, dated and kept
Locations
Homes, storage, galleries
Exhibitions
Where the work has been shown
Condition reports
Filed and never overwritten
Nothing is ever lost.
Built to be shared.
Sometimes information needs to stay private. Sometimes it needs to be shared.
Generate beautiful shareable portfolio links for insurers, advisers, lenders, family offices or future generations—without losing control of your collection.
Share portfolio
A private view of your collection
Included
- Artworks
- Provenance
- Documents
- Valuations
- Insurance · off
- Permission
- Read only
- Expires
- In 30 days
Read only
Recipients can view. Nothing can be changed.
Temporary access
Links expire on a date you choose.
Selective
Choose which works and which records appear.
Institutional sharing
- InsurersScheduled values and condition
- AdvisersThe full collection, in context
- LendersOwnership and documentation
- Family officesHoldings across generations
- Future generationsThe complete history
Share everything, or almost nothing. You decide, every time.
Beautifully organised.
The more your collection grows, the more valuable organisation becomes.
Nocturne
Oil on canvas, 2018
Pour VII
Acrylic on panel, 2021
Mosaic Study
Mixed media, 2016
Raw Linen
Pigment on linen, 2020
Figure, Seated
Oil on board, 1974
Impasto Bloom
Oil on board, 2017
Still Life
Watercolour, 1998
Field
Screenprint, 2022
Composition No. 14
Oil on linen, 2019
Portrait of a Primate
Photograph, 2015
Your collection, as a gallery—not a spreadsheet.
Every collection tells a story.
Collections evolve across years. Sometimes generations.
ONE Portfolio quietly preserves that journey, creating a permanent history that grows with every acquisition, exhibition, valuation and movement.
One artwork.
Endless possibilities.
Add the artwork once, and its entire record builds around it.
Timeline
Every event, in order
Ownership
Who has held it, and when
Documents
Invoices, reports, records
Certificates
Authenticity, held securely
Condition
Assessed and filed over time
Locations
Homes, storage, exhibitions
Images
Full-resolution documentation
Valuation history
Every recorded value, kept
The more you collect, the more valuable the record becomes.
Powered by ONE IntelligenceThe foundation behind modern collecting.
ONE Portfolio isn't another database.
It's the permanent record behind your collection. Everything else begins here.
ONE Portfolio
The permanent record
Connected capabilities
- Finance
- Insurance
- Selling
- Buying
Your collection deserves a permanent home.
Start building the trusted record behind every future collecting decision.