Salary Comparison

Security Engineer Salary:
London vs Denver, CO

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

London
$160,327
/ year
-9%
difference
Denver, CO
$176,906
/ year
Bottom line: Denver wins on all three metrics — higher salary, more take-home pay, and greater purchasing power. How is this calculated? →
Metric
London
Denver
Median Gross Salary
Annual, before tax
$160,327
$176,906✓ higher
Entry Level
0–2 years experience
$103,683
$114,404✓ higher
Senior Level
8+ years experience
$247,917
$273,554✓ higher
Est. Take-Home Pay
After income tax + FICA
$99,403
$118,118✓ higher
Purchasing Power
Equivalent in median-CoL city
$106,885
$155,181✓ higher
Cost of Living Index
Relative to US median (1.00)
1.50×
1.14×✓ lower
Percentile 10 (Low)
Bottom 10% of earners
$81,910
$114,404✓ higher
Percentile 90 (High)
Top 10% of earners
$195,854
$273,554✓ higher

What if you move from London to Denver?

Gross salary change
+$16,579
9% increase
Take-home change
+$18,715
per year after tax
Purchasing power change
+$48,296
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

London$160,327
P10: $81,910Median: $160,327P90: $195,854
Denver, CO$176,906
P10: $114,404Median: $176,906P90: $273,554

More Security Engineer salary comparisons

London vs ManchesterLondon vs BirminghamLondon vs EdinburghLondon vs BristolLondon vs LeedsLondon vs GlasgowDenver vs New YorkDenver vs Los AngelesDenver vs ChicagoDenver vs HoustonAll Security Engineer salaries →

Frequently Asked Questions

▶Does a Security Engineer earn more in London or Denver?

The median Security Engineer salary in London is £126,658/yr compared to $176,906/yr in Denver, CO. Denver pays 9% more in gross terms.

▶Is a Security Engineer salary worth more in London or Denver after cost of living?

After adjusting for local cost of living, your London salary has the purchasing power of $106,885/yr in a median-cost city, vs $155,181/yr for Denver. Denver offers stronger real purchasing power.

▶What is the take-home pay for a Security Engineer in London vs Denver?

After estimated taxes, a Security Engineer in London takes home approximately $99,403/yr, vs $118,118/yr in Denver, CO. These are estimates based on standard federal tax rates and do not account for state/local taxes or deductions.