Comparing electronic document management systems is frustrating because the feature lists converge. Every product stores documents, versions them, indexes them and offers permissions, so a side-by-side table produces a wall of ticks and no decision. The differences that matter in daily use are structural rather than featural, and there are really only three of them: what the system treats as its unit of organisation, how it handles people outside your organisation, and how it charges as you grow. Those three decide whether a system fits a practice, and none of them appears clearly on a comparison table. This guide sets out each axis, what the options look like from inside a small accounting practice, and how to read a product's answer to each before you commit to it.
Axis one: the unit of organisation
Some systems organise around a folder or a document type; vertical systems organise around a client, a matter or a project. This is the single most consequential difference, because it determines whether the structure survives staff turnover. For a practice the unit has to be the client, with engagements beneath it, or you are rebuilding that structure by convention.
Axis two: the access model for outsiders
Systems built for internal use treat outside access as an exception: a share, a link, a guest account. Systems built for practices treat it as the normal case, with each client structurally able to see only their own record. If your daily work involves exchanging documents with many separate outside parties, an internal-first access model will be a permanent source of friction and risk.
Axis three: how it charges as you grow
Per user, per client, per gigabyte or flat. This looks like a commercial detail and behaves like a design decision, because it shapes behaviour: per-user pricing produces shared logins, per-client pricing discourages keeping small clients in the system. A flat practice price avoids both and has its own ceiling, which is that it stops being viable for large firms.
Questions people ask about electronic document management systems
Should we shortlist by industry or by feature?
By industry first. Products built for professional practices share the client-centred structure and outside access model you need; general products do not, and configuration will not fully close that gap. Compare on features only within the right group.
How much should a small practice pay?
Vertical products for small practices span a wide range, and the honest guidance is to work out what the per-user model costs at the size you expect to be in two years rather than today. That calculation, more than the headline price, is what separates the options.
What is the most common regret?
Buying a general-purpose system on price and spending the following year configuring it into a shape it was not designed for, then maintaining that configuration. The second most common is buying a full practice suite and using one module of it.