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EnSilica

ENSI.L
28
Semiconductors · Technology
Exchange
London Stock Exchange
Winston Score
28
Winston is worried
Below-average fundamentals — multiple weak pillars.
Data as of Aug 23, 2026 · filings through Nov 30, 2025
How the score breaks down
Quality
Weak
Growth
Mixed
Cash Flow
Mixed
Stability
Mixed
Valuation
Data not available

Winston Score History

The full picture

EnSilica is a UK-based semiconductor company that designs custom chips, called ASICs (Application-Specific Integrated Circuits), for other businesses. Instead of making general-purpose chips, it builds chips tailored to a specific customer's exact needs, serving industries like automotive, industrial, healthcare, and communications. It is a relatively small, specialized player in the global chip design market.

EnSilica makes money by charging customers for chip design services and, in some cases, earning royalties or product revenue when those chips go into production. The company operates primarily in the UK and Europe but works with customers globally. Its competitive edge comes from deep engineering expertise and long-term customer relationships, since switching chip designers mid-project is costly and disruptive. However, with a negative operating margin and negative return on invested capital, the company is not yet profitable, and its main risk is scaling revenue fast enough to cover its fixed engineering costs before cash runs thin.

Growth Profile

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

Revenue Growth

-43.3% YoY

YoY Growth Rate

Revenue declining

EPS Growth

-79.5% YoY

YoY Growth Rate

Earnings declining

Insider Activity

10.8%ownership

Insiders own a meaningful stake in the company

Cash Position

Cash flow positive

£2M cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

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

Revenue declining

EnSilica's revenue is actually shrinking. In a growth stock, that removes the core investment thesis. The low Winston Score here may be warranted — unless there's a turnaround story.

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

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Quality

Profit per sale
Gross Margin
38.3%
Modest — 38.3% gross margin
Profit after running costs
Operating Margin
-2.8%
Losing money on operations — -2.8%
Return on the money invested
ROCE
-10.3%
Weak — -10.3% return on capital

Negative ROIC means the business is losing money on every dollar invested in it.

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Growth

Sales growth
Sales YoY
-13.4%
Shrinking sales (-13.4% YoY)
Profit growth
EPS YoY
N/A
Data not available
How steady the profit is
EPS Consistency
5/8 quarters
Mixed — about half the quarters showed growth

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Cash Flow

Profit that turns into cash
Cash Conversion
N/A
Data not available
Spare cash per sale
FCF Margin
32.3%
Converts sales into free cash efficiently (32.3%)

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
0.36
Conservative — low debt load (0.36)
Covers its interest
Interest Cover
N/A
Data not available

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Valuation

Price vs profit
P/E Ratio (TTM)
N/M
no trend
Negative earnings — P/E not meaningful
Cheaper or dearer next year
P/E vs Forward
N/A
not available
Data not available

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Dividends

Not applicable for this business.
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