XUBRiS builds and backs sovereign technology companies - businesses whose customers own their systems, their data and their way out. Not a fund, and not raising.https://xubris.comenhttps://xubris.com/blog/an-export-you-have-never-restored-is-not-an-exithttps://xubris.com/blog/an-export-you-have-never-restored-is-not-an-exitMost exit plans stop at the export button. The exit only exists once someone has loaded that file into something else and the business kept running.Thu, 08 Oct 2026 00:00:00 GMTexit plandata portabilitymigrationresiliencehttps://xubris.com/blog/build-the-exit-before-your-first-customer-askshttps://xubris.com/blog/build-the-exit-before-your-first-customer-asksAdding an exit to a mature product means unpicking years of shortcuts. Designed in from the first commit, it costs little. Where customer state usually hides.Thu, 08 Oct 2026 00:00:00 GMTproduct designdata portabilityarchitecturestartupshttps://xubris.com/blog/lock-in-is-often-a-financing-decisionhttps://xubris.com/blog/lock-in-is-often-a-financing-decisionProducts rarely start out designed to trap their customers. They drift there when the capital structure needs predictable retention. How the drift works.Thu, 08 Oct 2026 00:00:00 GMTventure capitalretentionlock-incompany buildinghttps://xubris.com/blog/whoever-holds-the-root-credentials-owns-the-systemhttps://xubris.com/blog/whoever-holds-the-root-credentials-owns-the-systemOwning your data means little if someone else registered the domain, owns the cloud account and holds the encryption keys. How to find out who actually does.Thu, 08 Oct 2026 00:00:00 GMTaccess controlencryption keyscloud accountsdigital sovereigntyhttps://xubris.com/blog/your-ai-vendor-keeps-the-part-you-actually-builthttps://xubris.com/blog/your-ai-vendor-keeps-the-part-you-actually-builtInstructions, test sets, corrections and logs are where an AI system's value builds up. They are also the parts most contracts forget to let you take with you.Thu, 08 Oct 2026 00:00:00 GMTAIdata portabilityevaluationlock-inhttps://xubris.com/blog/we-only-back-companies-you-could-leavehttps://xubris.com/blog/we-only-back-companies-you-could-leaveSwitching cost has been treated as an asset for two decades. The argument here is that it is quietly turning into a liability, and why we are betting on that.Tue, 01 Sep 2026 00:00:00 GMTlock-inswitching costsretentioninvestment thesishttps://xubris.com/blog/sovereignty-is-a-supply-chain-questionhttps://xubris.com/blog/sovereignty-is-a-supply-chain-questionThe word has been captured by politics and marketing at the same time. The useful definition is narrow, testable, and has nothing to do with where a company is registered.Tue, 18 Aug 2026 00:00:00 GMTdigital sovereigntysupply chainclouddefinitionshttps://xubris.com/blog/a-venture-studio-is-an-admissionhttps://xubris.com/blog/a-venture-studio-is-an-admissionBuilding companies rather than funding them is usually presented as a superior model. It is more honestly described as a response to deal flow that is not there.Tue, 04 Aug 2026 00:00:00 GMTventure studiocompany buildingdeal flowincentiveshttps://xubris.com/blog/open-source-business-models-that-workhttps://xubris.com/blog/open-source-business-models-that-workFour models with real companies behind them, one that reliably ends in a licence change, and how to tell which one you are looking at before you invest.Tue, 21 Jul 2026 00:00:00 GMTopen sourcebusiness modelslicensingopen corehttps://xubris.com/blog/what-would-make-us-wronghttps://xubris.com/blog/what-would-make-us-wrongA thesis that cannot be falsified is a preference. Five things that would show the sovereignty argument is mistaken, written down while it is still cheap to admit.Tue, 07 Jul 2026 00:00:00 GMTfalsificationinvestment thesisriskhonesty