Replacing a manual process starts with a plain description of what happens, in order, including the awkward exceptions. If that description does not exist, software will only encode the confusion.
Look for repetition: the same customer typed twice; the same order copied; the same status updated in three places. Those are integration and workflow problems as much as they are “new app” problems.
Look for rules: discount bands, product constraints, who can approve a quote. Rules belong in software. Judgement — a difficult customer, an unusual job — should stay with the people who already handle it.
Then decide the smallest system that removes the worst friction. That might be a quoting screen, a portal, or a connection between the website and the tool you already use.
We build those pieces as custom business systems and integrations for UK companies that have already tried to stretch generic software across a specialist operation. Start with the process. The software follows.