The FINOS flagship · London
OSFF London Week
23–25 June 2026 · Queen Elizabeth II Centre, Westminster · training → workshops → AI summit → main stage
Everything the open source in finance community has built — FDC3, Fluxnova, CDM, CALM, and converging work in AI, Tech Risk, HPC & Supply Chain — comes together on the OSFF London stage. Here's the full week and how to take part.
750+
Technologists expected
4
Ways to engage
25 Jun
Main stage
What to expect
Each: who to bring · register · rally · promoteAcross the week
Training & Certification
Upskill on the standards shaping finance
Hands-on training to operationalize what your teams will adopt. Tap to explore:
Target persona from your network
Risk, compliance, model-governance, legal & data leaders.
Tue–Wed · 23–24 June
Technical Workshops
Hands-on, maintainer-led
Where projects set their roadmaps. No OSFF ticket required — spots limited. Tap a workshop to register:
Target persona from your network
Maintainers, architects, tech-risk, cloud & DevSecOps leads.
Wed · 24 June · 13:00–19:00
AI in Finance Leadership Summit
Invitation only · Chatham House
20–25 seats. Keynotes incl. the co-creator of MCP (Anthropic), HSBC, Linux Kernel & Sonatype.
In partnership with 
Target persona from your network
CXO, Heads of AI, or CISO from your network (MD-level minimum).
Thu · 25 June · all day
OSFF London — Main Stage
QEII Centre · 60+ sessions · 7 tracks
The flagship. 750+ technologists, major announcements, and the hallway track where the magic happens.
Target persona from your network
Everyone — colleagues, counterparts & customers.
📣 Member registration deadline extended
Great news! If you are a FINOS member, we have extended your free passes registration deadline. Register ASAP using the code that should be in your inbox, or ask your primary contact.
Who's registering
Organization mix · rolesBy organization type
Share of registrations (approximate).
Financial Institution59%
Technology Vendor31%
System Integrator6%
Individual4%
Who's in the room
Registrant roles, normalized — executives highlighted.
CTOSoftware EngineerSolutions ArchitectVice PresidentSVPAnalyst / AssociateCEOTech LeadHead of …Product ManagerSales / BDPrincipal EngineerCOOAVPDistinguished EngineerSREFellowManagerCFOFounderDeveloper AdvocateChief Architect/EngineerChief Digital OfficerCIOCROConsultant / Partner
Planned announcements
More on the day🔒
Governing Board confidential
Expect major announcements on AI, supply chain resiliency, Regulatory Digitization, FDC3, Fluxnova and Research reports — revealed on the OSFF London stage, 25 June.
Register. Bring your network. Shape the future.
Presented by
