Salary Comparison

Information Security Analyst Salary:
San Francisco, CA vs London

Side-by-side gross salary, after-tax take-home pay, and purchasing power comparison. Updated June 2026.

San Francisco, CA
$195,269
/ year
+66%
difference
London
$117,622
/ year
Bottom line: San Francisco wins on all three metrics — higher salary, more take-home pay, and greater purchasing power. How is this calculated? →
Metric
San Francisco
London
Median Gross Salary
Annual, before tax
$195,269✓ higher
$117,622
Entry Level
0–2 years experience
$126,280✓ higher
$76,066
Senior Level
8+ years experience
$301,949✓ higher
$181,882
Est. Take-Home Pay
After income tax + FICA
$130,605✓ higher
$79,983
Purchasing Power
Equivalent in median-CoL city
$116,232✓ higher
$78,415
Cost of Living Index
Relative to US median (1.00)
1.68×
1.50×✓ lower
Percentile 10 (Low)
Bottom 10% of earners
$126,280✓ higher
$60,092
Percentile 90 (High)
Top 10% of earners
$301,949✓ higher
$143,687

What if you move from San Francisco to London?

Gross salary change
$77,647
66% decrease
Take-home change
$50,622
per year after tax
Purchasing power change
$37,817
equivalent real income

Take-home pay is estimated using 2024 US federal tax brackets (single filer) + 7.65% FICA, or a blended international effective rate. Purchasing power converts gross salary to an equivalent in a US median cost-of-living city (index 1.00×). Full methodology →

Salary Range Comparison

San Francisco, CA$195,269
P10: $126,280Median: $195,269P90: $301,949
London$117,622
P10: $60,092Median: $117,622P90: $143,687

More Information Security Analyst salary comparisons

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Frequently Asked Questions

▶Does a Information Security Analyst earn more in San Francisco or London?

The median Information Security Analyst salary in San Francisco, CA is $195,269/yr compared to £92,921/yr in London. San Francisco pays 66% more in gross terms.

▶Is a Information Security Analyst salary worth more in San Francisco or London after cost of living?

After adjusting for local cost of living, your San Francisco salary has the purchasing power of $116,232/yr in a median-cost city, vs $78,415/yr for London. San Francisco offers stronger real purchasing power.

▶What is the take-home pay for a Information Security Analyst in San Francisco vs London?

After estimated taxes, a Information Security Analyst in San Francisco, CA takes home approximately $130,605/yr, vs $79,983/yr in London. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.