The Friction Tax: The Biggest Expense on Your Income Statement Isn't on Your Income Statement

Photo: DigiFusion
Your company pays a tax nobody legislated, that no accountant records, and that quietly consumes more than your profit margin. Here's how to measure yours in a single afternoon.
By Boroji Adebayo-Hopewell
I want to begin with something small. Not a merger, not a market crash, not a boardroom coup. An invoice.
A few years ago I sat in the operations centre of a mid-sized distributor — decades of history, capable people, a management team that had survived three recessions — and I followed a single supplier invoice through the business. Not a difficult invoice. Not a disputed one. A plain, correct, ordinary invoice for goods received in full.
It took eleven days to move from arrival to approval.
In those eleven days, the invoice was touched by seven people. It was printed twice, scanned once, re-keyed into two systems that did not speak to each other, emailed four times, and parked for three days in the inbox of a manager who was travelling. The actual work performed on it — verifying the quantities, matching it against the purchase order, approving it — took, by my stopwatch, about six minutes.
Six minutes of work. Eleven days of elapsed time. The other 15,834 minutes were friction: waiting, translating, transporting, re-checking, chasing. And the company was paying salaries, software licences, office space and working-capital costs for all 15,840 of those minutes — while receiving value from six of them.
Now multiply that one invoice by the forty thousand invoices that company processed each year. Then multiply the pattern across every quote, every purchase order, every customer complaint, every hire, every report. What you are looking at is not an accounting anomaly. It is a tax — unlegislated, uninvoiced, and almost entirely invisible — levied on every transaction the firm performs.
I call it the Friction Tax. And it is the largest single expense on most income statements, precisely because it appears on none of them.
Why you can't see it
Here is the strange part: your accounting system is designed, almost perfectly, to hide this cost from you.
A profit-and-loss statement slices your company by department. Salaries here, software there, facilities in another line. But friction doesn't live inside departments. It lives between them — in the handoff from sales to engineering, in the queue between a claim arriving and a claim being paid, in the reconciliation between two systems that were never taught to talk. Your instruments are watching the rooms. The heat is escaping through the walls.
So a finance chief can certify every departmental budget as "on plan" while the company quietly converts most of what it spends into waste. Nobody is lying. The number simply has no home on the report.
The Friction Tax is the largest single expense on most income statements — precisely because it appears on none of them.
This is not a story about lazy people or bad management. It's physics. Left alone, every process drifts toward disorder — it accretes exceptions, workarounds, approval layers, and informal patches until the value-adding work is a rounding error inside the elapsed time. No one decides this. Disorder doesn't require a decision. It requires only the absence of one. I call the accumulated waste operational entropy, and the first discipline of running a modern firm is learning to see it.
Measure your own — one process, one afternoon
You don't need consultants or software for this. You need a single process, a stopwatch, and a willingness to be honest. Let me walk you through it with a real example, and then you can run your own.
Say you run a 40-person professional-services firm, and you pick proposal writing. Last year you produced 200 proposals.
Step one — price the input. Each proposal, your team estimates, eats about 30 hours of combined effort: partner review, associate drafting, formatting, the pricing spreadsheet, the internal back-and-forth. At a blended, fully loaded cost of $95 an hour, that's roughly $2,850 per proposal. Two hundred proposals: $570,000 a year. Most owners have never seen that number. It lives in no budget line; it's smeared invisibly across everyone's salary.
Step two — separate the work from the heat. Now take three recent proposals and walk them hour by hour, sorting every hour into two buckets. Useful work: understanding this client's actual problem, designing the approach, making the pricing judgment — the hours that make this proposal worth choosing. Heat: hunting for the latest template, rewriting boilerplate that was rewritten last month, re-keying CVs, reconciling version seven with version nine, the status thread, the formatting.
In every firm I've run this exercise with, the room predicts the split will come back 60–70% useful. The stopwatch reports 20–35%. Say yours comes back at 30%: $171,000 of genuine value creation, and $399,000 of heat.
Step three — price the queues. Your median proposal takes twelve days to go out; the touch time inside it is under two days. Your own records almost certainly show that proposals delivered within a week win at a meaningfully higher rate than proposals delivered after two. That delay isn't a scheduling detail — it's lost revenue, voting quietly, every quarter.
Step four — extrapolate, humbly. Proposal writing is one process. Your firm runs dozens: invoicing, onboarding, scheduling, reporting, recruiting, collections. You don't need to audit them all this quarter. You only need to absorb what the first audit proves — that the ratios are real, that they are nobody's fault, and that they are, for the first time in economic history, fixable at software prices.
If you don't have an afternoon
The exercise above is the honest version and I'd rather you did it. But I know how the next four weeks go, and the audit that never happens measures nothing at all.
So there is a shorter path. I've spent years turning this into a fixed instrument — twelve questions, one per operational domain, scored against written anchors so that two different people reading the same business land on the same number. It takes about four minutes and it is free: the FrictionIQ assessment.
It will not price your Friction Tax. Only the stopwatch does that, and anyone who tells you a questionnaire can produce a currency figure is selling you something. What it will do is tell you where to point the stopwatch — which of the twelve domains is blocked, and which single question about your own operation you cannot currently answer.
That last output is the one people write back about. Not the score. The question.
Why it compounds, and why that is the whole problem
There is a mistake in how almost everyone holds this number in their head, and it makes the Friction Tax sound like an annoyance rather than the thing quietly deciding whether your firm still exists in a decade.
Friction is usually described as an amount — so much cash, so many hours, gone. That framing makes it subtractive, like a line item you could absorb with a good quarter. It is not subtractive. It is multiplicative, and it applies every period, to whatever base you have left.
Take a firm losing three per cent of its throughput each month to queues, rework and re-keying. The instinctive arithmetic is three times twelve, so thirty-six per cent a year, and that already sounds survivable. But it does not add, it compounds: what survives a year is 0.97 raised to the twelfth power, which is 0.694. The loss is 30.6 per cent — a little better than the naive figure, which is the last time this comparison flatters you. Because the same compounding runs the other way on everything you build. Friction does not reduce your growth. It reduces your exponent.
That distinction has a consequence worth stating plainly, and it is the oldest result in this area of mathematics. Daniel Bernoulli observed in 1738 that what compounds is not the average outcome but the logarithm of it — the growth rate — and the two behave very differently. A firm optimising for the largest possible single win is maximising an arithmetic mean, and an arithmetic mean is entirely compatible with eventually reaching zero: one bad enough period ends the sequence no matter how good the average looked. A firm optimising for its compounding rate is maximising a geometric mean, and that is a different thing to want.
This is why two firms with identical revenue and identical margin can diverge so completely over five years that they no longer look like the same kind of business. The one carrying a lower friction rate is not merely more profitable each month. It is compounding on a larger base every single period, and the gap between them widens geometrically rather than by addition. By year five it is not a gap in performance. It is a gap in category.
Which is the honest reason to spend an afternoon on the measurement above. Not because the annual figure is shocking — though it usually is — but because that figure is an exponent, and exponents are the only things in business that eventually beat everything else.
The number that changes the conversation
There's a single ratio worth carrying out of this exercise. I call it thermodynamic efficiency — the fraction of everything you spend that becomes something a customer would actually pay for. Useful work, divided by total input.
When I run this on companies that have never done it, the number typically lands somewhere between 8% and 20%. Four-fifths of the energy purchased becomes heat.
Executives always protest that figure at first. Then they go quiet as we walk the invoices, the claims, the proposals, the elapsed-time-versus-touch-time ratios, process by process. The protest phase gets shorter every year.
Growth without efficiency is a furnace. If you convert 12% of your spend into value and you double revenue, you've just doubled your heat.
And here's the part that makes this the right moment to care. For a century, that $399,000 of heat in the proposal example was simply the cost of being organised — boilerplate must be assembled, versions must be reconciled, someone has to do it. What has changed, and changed suddenly, is that most of those hours are the kind of work machines now do for pennies: retrieval, assembly, formatting, cross-checking, reconciliation. The Friction Tax was always real. What's new is that it has finally become optional.
The takeaway
- Your biggest cost isn't rent, headcount, or software. It's the friction between the work — and your P&L is structurally blind to it.
- You can measure it on one process in an afternoon: trace three real cases, split every hour into useful work versus heat, and compute the ratio.
- Most unengineered firms convert only 8–20% of what they spend into customer value. Naming that number is the first honest instrument reading your company has ever taken.
- If the afternoon isn't available this month, take the four-minute version and at least find out which domain to point the stopwatch at.
- The tax was unavoidable for a century. It isn't anymore — which is exactly why measuring it now is worth the afternoon.
Two ways to go further
Find out where your friction actually sits — four minutes, free.
The FrictionIQ assessment scores your operation across twelve domains — visibility, exceptions, hand-offs, data authority, decision rights — and returns a readiness band, the domains that are blocking you, and the one question about your own business you couldn't answer. No account, no call, and the result is yours to forward. → Take the assessment
Then fix what it finds.
This is the core idea behind my book, The Thermodynamic Firm: Eliminating Entropy in the Age of AI Agents — a field guide to seeing your company as an engine, measuring the heat it wastes, and re-engineering it before your most serious competitor does. If the assessment gave you a number you didn't like, the book is the toolkit. Pre-order The Thermodynamic Firm →
Boroji Adebayo-Hopewell is a techno-economist and enterprise systems architect. He writes about the physics of how work actually moves through companies.


