What it means
Growth is measured over a period and against a base, so the phrasing always matters. A company reporting 30% growth might mean this year against last, this quarter against the same quarter a year ago, or an average annual rate across several years, and those numbers can differ sharply.
Not all growth is worth having. Revenue that arrives at a negative gross margin, or through customers who churn within three months, consumes cash while making the top line look healthy, which is why experienced managers pair growth figures with margin and retention.
The compound annual growth rate, or CAGR, is the standard way to smooth multi-year performance into a single number. It answers what steady annual rate would have taken a business from its starting figure to its current one, ignoring the volatility along the way.
Growth also consumes working capital, and this catches profitable businesses by surprise. When sales rise, stock and unpaid customer invoices rise with them, so a company can be more profitable and have less cash in the bank at the same time.
Companies generally grow along three routes: selling more to existing customers, winning new customers, or adding new products and markets. The first is nearly always the cheapest, which is why retention and account expansion usually deserve attention before any new-market plan.
In practice
Real-world examples.
Example
A subscription software business grows revenue 45% in a year, but half of that comes from price increases rather than new customers. The board asks for growth split by volume and price so it can judge how much headroom the pricing lever still has.
Example
A regional plumbing company grows headcount from 12 to 20 in eight months to meet demand. Revenue rises 55%, yet operating profit falls, because new engineers take four months to reach full productivity.
Example
A food brand doubles revenue after winning a supermarket listing. Payment terms of 75 days mean it must fund $900,000 of extra stock and receivables before the first payment lands, so it arranges an invoice finance facility.
Think of it
“Business growth is getting bigger-expanding your company's size and reach.
Formula
Calculation
Growth Rate = (Current Period Value - Prior Period Value) / Prior Period Value
Compound Annual Growth Rate = (Ending Value / Beginning Value) raised to the power of (1 / Number of Years), minus 1
A distribution business grew revenue from $4,000,000 last year to $5,200,000 this year. Growth Rate = ($5,200,000 - $4,000,000) / $4,000,000 = $1,200,000 / $4,000,000 = 0.30, or 30%.
Looking further back, the same company had revenue of $4,000,000 three years ago and $6,912,000 today. The ratio is $6,912,000 / $4,000,000 = 1.728, and the cube root of 1.728 is 1.20, so the compound annual growth rate is 1.20 - 1 = 0.20, or 20% a year.
The single-year figure of 30% is flattering compared with the three-year average of 20%. Reporting both keeps the conversation honest, because one strong year does not establish a trend.Case study
Seen in the real world.
Ashgrove Signs is an illustrative, fictional manufacturer of shop signage. Over four years its revenue grew from $2,000,000 to $5,000,000, a compound annual growth rate of roughly 26%, and the founders regarded the business as an unqualified success.
Profit told a duller story. Operating margin fell from 14% to 6% because the company had taken on larger, more complex jobs at prices set using its old small-job costing model, and each big contract tied up cash in materials for months.
In this fictional case the fix was unglamorous: the company repriced its large-format work, introduced 40% deposits, and turned away two low-margin national accounts. Revenue growth slowed to 9% the following year while operating profit more than doubled in dollar terms, which the founders came to regard as the better outcome.
Watch out
Common mistakes.
- Reporting a growth percentage without stating the base period. Comparing this quarter with the previous quarter rather than the same quarter last year can make ordinary seasonality look like performance.
- Chasing revenue growth without watching gross margin. Winning volume by discounting can increase revenue while reducing the actual gross profit the business has to pay its overheads with.
- Forgetting that growth absorbs cash. Rising stock and customer invoices must be funded before the corresponding money arrives, and fast-growing profitable companies still run out of cash this way.
Questions
People also ask.
What is a good growth rate?
It depends entirely on the sector and stage, since an established manufacturer growing 8% a year may be outperforming its market while an early-stage software company at 8% would be considered stalled.
Is compound annual growth rate better than a simple year-on-year figure?
It is better for judging multi-year performance because it smooths one-off spikes, though it hides volatility and should be shown alongside the individual years.
How do you grow without running out of cash?
By improving collection times, negotiating supplier terms, funding stock with a facility rather than cash reserves, and pacing expansion so that each step is funded before the next begins.
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