Most companies start with off-the-shelf software — CRMs, spreadsheets, generic project tools. They're cheap, fast to set up, and good enough to get moving. The problem is that "good enough" has an expiration date, and most teams don't notice they've crossed it until the workarounds start piling up.
The first sign is duplicate data entry. If your team is copying information between three different tools because none of them talk to each other, you're not using software to save time anymore — you're spending time serving the software.
The second is a graveyard of spreadsheets. When a spreadsheet becomes a mission-critical system that only one person understands, that's not a process, it's a risk.
The third is a growing list of "we just can't do that" answers from your current tools — features you need that the vendor has no roadmap for, because your use case isn't their target customer.
The fourth is your team building manual workarounds — copy-paste routines, macros, side scripts — to bridge the gaps. And the fifth is when the cost of licenses for enough seats to run your whole operation starts approaching what a custom build would cost, minus the constant compromises.
None of these signs alone means you need custom software. Together, they usually mean the off-the-shelf tools are now costing you more in lost time and risk than a tailored system would cost to build and maintain.