This happens constantly and almost nobody plans for it. Sales builds a simple deal-tracking app to replace a messy spreadsheet. Within a few months, Ops is using it to trigger fulfillment, and Support is pulling it up on every customer call to check order status. Three teams now depend on the same tool every single day, but only one of them ever had a say in how it works. Nobody decided this was fine -- it just happened, the way most real cross-team dependencies do. The usual response is some version of 'let's all just talk before we change anything.' That sounds collaborative. In practice it means every change, no matter how small, requires an ad-hoc meeting to get three busy people in a room, and most small changes just don't happen because scheduling that meeting isn't worth it. Shared, undefined ownership doesn't produce equal input -- it produces paralysis. A tool with one named owner making fast, reasonable calls will out-serve everyone better than a tool where three teams have vague, equal claims and nothing moves.
Usage and ownership are different things. A tool can be used daily by Ops and Support and still have a single named owner who makes the final call on what changes and when. This isn't about who uses it most -- it's about who is accountable for its roadmap, its data model, and its tradeoffs. Pick one person or one team, write it down somewhere visible (a line in the app's description, a doc, whatever people actually check), and stop treating ownership as an open question that gets re-argued every time something needs to change. If you've already set up role-based permissions in the tool, this is a natural place to formalize the owner as an admin role distinct from everyone else's edit or view access. The permission structure should reflect the decision structure, not just data security.
Naming an owner doesn't mean other teams go quiet. Anyone actively using the tool -- Ops, Support, whoever -- should be able to raise a change request, the same way we've laid out in the framework for handling 'can it also do X' requests. What changes here is who has final say once a request comes in: it's always the named owner, never whichever team asks loudest or ships first. This distinction matters because without it, two things go wrong quietly. First, two teams can submit competing changes that partially cancel each other out -- Ops adds a status field Support then hides because it clutters their view, and neither team knows the other touched it. Second, one team's small tweak to a shared field or workflow can break another team's process, and nobody notices until someone's daily routine stops working. A single approver isn't a bottleneck for its own sake -- it's the one checkpoint that catches these collisions before they go live instead of after.
The team that built the tool doesn't get to keep it forever out of habit. If Sales built the deal-tracker but Ops now runs its entire fulfillment process through it, and a data problem in that tool stops shipments rather than just delaying a sales report, ownership should move to Ops. This isn't a punishment or a demotion for Sales -- it's an acknowledgment that the team with the most at stake when something breaks should be the one deciding how it works. This is easy to say and genuinely uncomfortable to do, because handing over ownership can feel like losing credit for something you built. It helps to frame it the way you'd frame handing off any internal tool: the goal was never to own a piece of software, it was to solve a problem, and the tool solving it well for the team most exposed to it is the actual win.
Even with a named owner, real disagreements happen -- Ops wants a required field that slows down Support's workflow, or Support wants a view that Ops finds redundant. Don't relitigate the tiebreaker every time this comes up. Decide it once: the team whose core, everyday workflow the tool most directly serves gets the final call on disputed changes. If the tool is fundamentally a support ticket queue that Ops happens to glance at occasionally, Support wins ties. If it's fundamentally an operations fulfillment tracker that Support happens to check, Ops wins ties. The losing team's request still gets heard and considered -- it's not an automatic veto, and a good owner will often find a version of the request that doesn't cost the other team anything. But the decision doesn't stall waiting for consensus that may never arrive. This is the same logic behind most workflow automation decisions: someone has to own the exception path, or every exception becomes its own negotiation.
An ownership decision that made sense at launch can be wrong within a few months, especially at a growing company where team responsibilities shift fast. Put a recurring check on the calendar -- quarterly is reasonable for most internal tools -- and ask a blunt question: does the current owner still match who actually depends on this tool most? If a tool built for Sales is now effectively an Ops system with Sales as an occasional user, say so and hand it over. Treat this the same way you'd treat a data migration or a backup schedule -- not a one-time setup task, but a recurring maintenance job that keeps the tool matched to reality.
None of this is about which team gets to claim the tool as theirs. It's about making sure decisions actually get made instead of stalling out in a fog of shared, undefined responsibility. A named owner who makes quick, reasonable calls -- and updates who that is as usage shifts -- keeps a tool working well for everyone who depends on it. That's the actual goal. A clean org chart that nobody argues with is a nice side effect, not the point.