Penetration Tester Salary in United Kingdom 2026: £110K Median & Range

The median Penetration Tester salary in United Kingdom is £110K in 2026. The typical range runs from £100K at the 25th percentile to £118K at the 75th percentile, based on published market compensation data.

Year-on-year trend data is not yet available for this role. Check back as the dataset grows.

Penetration Tester salaries vary across United Kingdom. London leads at £60K (-45% vs the national benchmark), while Wales sits at £58K. Use the city breakdown above to compare all locations.

A Penetration Tester earning the median £110K gross in United Kingdom will take home a net amount after income tax and other deductions. Use the PayMetric Labs take-home calculator on this page for an exact breakdown by tax band.

Pay increases significantly with seniority for Penetration Testers in United Kingdom. See the seniority band breakdown above for exact figures at each level.

On a 3-day hybrid schedule with a typical UK commute (£15/day travel, 60-minute round trip, daily meal premium, annual wardrobe costs), your true net income at £110K is approximately £60,297 per year, compared to £72,357 net without any commute. The commute costs £12,060 per year in direct expenses and lost time. A fully remote role paying £85,800 would leave you equally well off.

Assuming a 3-day hybrid schedule with typical commute costs, you would need a remote salary of at least £85,800 to match the true net value of a £110K hybrid Penetration Tester role in the UK. For a 5-day fully in-office role, the break-even remote salary rises to £72,500, as the higher office frequency increases travel, meal, and time costs significantly.

On a 3-day hybrid schedule with a 60-minute round trip, a Penetration Tester in the UK spends approximately 138 hours commuting per year, equivalent to 17 full working days. Valued at the implied hourly rate for a £110K salary (£64/hr), that time is worth £8,800 annually.

As more employers in the UK reintroduce hybrid or full in-office mandates in 2026, the true value of a Penetration Tester salary depends increasingly on the number of required office days. At £110K, each additional day in the office costs roughly £3,853 per year in direct and time costs (moving from 3 to 5 days). Candidates evaluating offers should compare true net income rather than gross salary alone.

A Penetration Tester earning £110K permanently takes home approximately £72,357 per year after tax in United Kingdom. As a outside IR35 limited company contractor at 220 billable days, you need a day rate of at least £530/day to match that net income. Anything above that rate puts more money in your pocket compared to the permanent equivalent. Use the IR35 calculator at /uk/calculators/ir35-calculator for a full breakdown.

Whether contracting beats permanent pay for a Penetration Tester in United Kingdom depends entirely on the day rate you can command. The break-even rate is approximately £530/day (220 working days, outside IR35 limited company), which is the minimum required to match the £110K median permanent net take-home of £72,357 per year. Day rates above this produce a higher net income; rates below it mean the permanent role pays more after tax.

This benchmark is derived from verified market compensation data and is rated Moderate Confidence. High Confidence means the benchmark is corroborated across independent sources and is citation-ready. Moderate Confidence is directional context while coverage is still building. Limited Market Data means early signals only.

There is not enough matched prior-year data yet to publish a reliable growth figure. Growth is matched using the closest comparable prior-year role, location, seniority, currency, and salary type available in the salary intelligence tables.

Candidates should compare offers against the £100K-£118K middle-market band, while employers should treat £110K as the current market midpoint for this role.