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International Public Partnerships Limited

INPP.L
56
Asset Management · Financial Services
Price
140.80 GBp
+0.20 (+0.14%)
Market Cap
£2.54B
Exchange
London Stock Exchange
Winston Score
56
Winston is curious
A decent business — some strong pillars, some weaker.
Data as of Aug 23, 2026 · filings through Dec 31, 2025
How the score breaks down
Quality
Strong
Growth
Good
Cash Flow
Strong
Stability
Good
Valuation
Good
Dividends
Good

Share count rising — dilution

+12.2% over 4y

The company has issued more shares over this period, which dilutes each existing shareholder’s stake.

Diluted shares outstanding: 1.66B (2021) → 1.86B (2025)

Winston Score History

The full picture

International Public Partnerships (INPP) is a UK-listed investment company that owns stakes in infrastructure assets — things like roads, schools, hospitals, water pipes, and energy networks. These assets are mostly built and operated under long-term government contracts, meaning the customers are largely public-sector bodies in the UK, Europe, and Australia. INPP is managed by Amber Infrastructure and focuses on essential services that communities depend on every day.

The company makes money by collecting steady cash flows from its portfolio of infrastructure investments, which are often backed by government payments or regulated revenues. This gives INPP a predictable income stream, which it largely passes on to shareholders as dividends. It operates across roughly 130 projects in multiple countries, and its main competitive advantage is the long-term, inflation-linked nature of its contracts. The key risk is rising interest rates, which increase the discount rate used to value infrastructure assets and can push the portfolio's net asset value lower.

Growth Profile

When traditional metrics don't capture the full picture, these are the signals growth stock investors use instead.

Revenue Growth

+496.7% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

+848.2% YoY

YoY Growth Rate

Strong earnings growth

R&D Spend

£0/ year

0.0% of revenue

Below sector average (7%)

Research and development spending

Insider Activity

0.1%ownership

Flat

Insider ownership roughly steady over the past year

Cash Position

Cash flow positive

£57M cash & investments

Company generates more cash than it spends — no dilution risk from fundraising

Revenue accelerating

International Public Partnerships Limited grew revenue 497% year-over-year and the growth rate is speeding up. That's the kind of momentum growth investors look for — the question is whether margins can follow.

The Winston Score above measures business quality today. Growth stocks often score lower because they invest in the future rather than maximising current profits. These metrics show what matters most for evaluating that future.

Score breakdown

Every number that matters to educated investors.

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Quality

Profit per sale
Gross Margin
97.2%
Premium pricing power — 97.2% gross margin
Profit after running costs
Operating Margin
107.9%
Excellent — 107.9% operating margin
Return on the money invested
ROCE
9.6%
Below par — 9.6% return on capital

ROIC between 5% and 15%. They earn 5 to 15 cents back per year on every dollar invested.

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Growth

Sales growth
Sales YoY
+628.6%
Fast-growing sales (+628.6% YoY)
Profit growth
EPS YoY
>+1,000%
Earnings growing fast (>+1,000% YoY)

Earnings growing 25%+ a year. The compounder zone.

How steady the profit is
EPS Consistency
3/8 quarters
Earnings rarely grow — volatile business

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Cash Flow

Profit that turns into cash
Cash Conversion
61%
Modest — 61% of profit becomes cash
Spare cash per sale
FCF Margin
59.6%
Converts sales into free cash efficiently (59.6%)

Free cash flow margin above 20%. Out of every $100 in sales, more than $20 is real cash they keep.

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Stability

What it owes vs what it owns
Debt / Equity
N/A
Data not available
Covers its interest
Interest Cover
82.33x
Comfortably covers interest (82.3x)

Interest coverage above 8. Profits cover interest many times over.

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Valuation

Price vs profit
P/E Ratio (TTM)
10.1x
Attractive valuation — P/E 10.1

P/E in the normal range. Price is roughly $15 for every $1 of yearly profit.

Cheaper or dearer next year
P/E vs Forward
-2.5
SLOWING
Earnings expected to fall — forward P/E higher than today

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Dividends

Dividend
Dividend Yield
6.13%
Healthy income — 6.13% yield

Yield above 6% — often a flag the market is pricing in a cut.

Dividend record
Dividend Growth
-40.8%
Dividend cut (-40.8% YoY) — warning sign

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