Stocks / ALRM vs AON

ALRM vs AON: Which Stock Is the Better Buy?

Alarm.com Holdings, Inc. and Aon plc side by side — fundamentals from SEC filings, refreshed nightly. Sector: Technology / Financial Services.

AON is the larger company ($76.5B vs $2.3B). On the fundamentals, ALRM grows revenue faster (10.3% vs 9.2%); AON earns a higher net margin (21.5% vs 13.1%); AON has the stronger return on equity (39.5% vs 15.6%). Neither shows an obvious red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — ALRM vs AON, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Alarm.com Holdings, Inc. (ALRM)Aon plc (AON)
Market cap$2.3B$76.5B
Revenue (latest FY)$1.01B$17.18B
Net income (latest FY)$132.57M$3.69B
Revenue growth (5y CAGR)10.3%9.2%
Net margin13.1%21.5%
Return on equity15.6%39.5%
P/E ratio19.019.9
Dividend yield0.9%
Profitable years (of last 10)1010
Positive free cash flowYesYes

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See the full ALRM vs AON breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open ALRM's full financials →   Open AON's full financials →

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Frequently asked questions

Which is bigger, ALRM or AON?

Aon plc is larger by market capitalization — $76.5B versus $2.3B.

Which grows faster, ALRM or AON?

Over the last five fiscal years, Alarm.com Holdings, Inc. grew revenue faster — 10.3%/yr versus 9.2%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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