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When QuickBooks Plus Spreadsheets Stops Being Enough

There is an irony in accounting practices. Firms that spend their days telling clients their financial systems have outgrown their tools are frequently running the practice itself on a general ledger and eleven spreadsheets.

Spreadsheets and accounting software on two screens

The stack is recognizable across most small and mid-sized firms. QuickBooks or a similar ledger for the firm’s own books. A time tracking tool. A spreadsheet for work in progress. Another for realization by client. A shared calendar for deadlines. A folder structure for documents, plus a portal. Email for everything that falls between.

Each piece works. The firm functions. And there is a specific set of questions the firm cannot answer without someone spending a day assembling the answer.

The questions that reveal the limit

What is our work in progress right now? Not last month’s. Today’s. Most firms can produce this with effort, which means it is not available when a decision needs it.

Which clients are actually profitable? Revenue by client is easy. Revenue net of the hours actually spent, including the unbilled follow-up and the calls nobody logged, is a different question and usually an uncomfortable one.

What is our realization by service line? Firms often discover that a service they consider core is running well below what they assumed, because the write-offs happen quietly at billing time.

Do we have capacity to take on this client? Answered by feel in most firms, which is why some seasons end in overtime and others in idle staff.

Where is every engagement right now? Not the deadline. The current state. This usually requires asking three people.

A firm that cannot answer these quickly is not badly managed. It is managing from a system that was never designed to answer them.

What breaks first

The failure is not dramatic. It compounds.

Reconciliation between tools eats hours. Time entries in one place, billing in another, work in progress in a third. Somebody keeps them aligned manually, and that person becomes a dependency.

Single points of failure appear. One person understands the WIP workbook. If they are out during busy season, nobody knows what is in flight.

Decisions get made on stale data. By the time a report is assembled it describes last month, and the decision needed this week.

Nothing is auditable. A number changed in a spreadsheet leaves no trace of who changed it or why. For a profession built on documentation, this is an odd exception.

Growth makes it worse rather than better. Every new client adds rows to workbooks that were manageable at forty clients and are not at a hundred and twenty.

Buy before you build

The instinct in a firm with unusual processes is to conclude that nothing off the shelf fits. Sometimes true, often not, and the honest evaluation should come first.

Practice management platforms handle time, billing, workflow and document management competently. If your firm’s operations are broadly conventional, one of them will fit, and it will be dramatically cheaper than building.

The cases where building genuinely makes sense have a specific shape. A service mix the vendors do not model, such as advisory work with outcome-based fees mixed with compliance work. Multi-entity structures where the reporting the firm needs does not match how the software organizes clients. Or a firm large enough that per-user licensing across a growing team becomes a meaningful line item.

Absent one of those, buy.

What building looks like when it is right

Firms that do build usually do not build everything. They keep the ledger, keep time tracking if it works, and build the layer that ties the operation together.

An engagement record that holds scope, fee arrangement, status, assigned staff and everything that has happened. Work in progress that calculates from time entries continuously rather than being maintained. Profitability by client and service line, computed rather than estimated. A pipeline of upcoming deadlines with staffing attached, so capacity is visible before it becomes a problem.

That is a smaller build than replacing a practice management system, and it targets exactly the questions the current stack cannot answer.

The trigger points

Firms tend to hit this at recognizable moments.

Adding staff and discovering nobody can explain the process, because the process lives in habits rather than in a system. Bringing in a partner who wants to see numbers the firm cannot produce. Losing the person who maintained the spreadsheets. Or a busy season that goes badly enough that someone asks why capacity planning is guesswork.

If two of those have happened, the stack has already passed its useful range and the firm is absorbing the cost quietly.

Timing

Whatever you do, do it in the trough. Spring or early summer for most firms, with the goal of running stable well before the next peak.

Firms that attempt a system change in the middle of busy season end up running two processes badly, and the conclusion becomes that the change was a mistake, when the timing was.


If your firm has outgrown its own stack, get in touch. We build practice systems for accounting firms, and we will tell you honestly if something off the shelf fits better.

Frequently asked questions

Why not just buy practice management software?

For many firms that is the right answer, and it should be evaluated first. The limits show up in firms with an unusual service mix, non-standard billing arrangements, or workflows that span entities in ways the vendor did not anticipate.

What is the actual cost of staying on spreadsheets?

It is rarely a single number. It shows up as work-in-progress nobody can quantify, realization rates that are estimated rather than known, and capacity decisions made on intuition. Firms usually discover the cost when they try to answer a question and cannot.

Is this worth doing during busy season?

No. Any system change should happen in the trough, with the goal of being stable before the next peak. Firms that attempt this in February end up with two broken processes instead of one.

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