Test Automation Engineer Salary UK 2025

💷 2025 GBP🇬🇧 UK Market⚖️ IR35🏙️ City📊 Seniority

Last updated: June 20257 min read • Written by: ClickMasters HR Team • Reviewed by: Reviewed annually

Direct Answer

Test Automation Engineer salaries range from £30,000 to £680–£960/day. Playwright expertise (replacing Selenium as the UK standard) commands a 10–20% premium. k6 performance testing experience is increasingly valued for UK eCommerce and FinTech. Accessibility automation (Axe integration in CI/CD) is an emerging premium specialism for public sector and regulated sector roles.

Market Outlook

Test Automation Engineers who specialise in building and maintaining automated test suites are in growing demand across UK software development. The shift from manual-only QA to automation-first testing — driven by CI/CD adoption and Agile delivery — has significantly increased the value of engineers who can write maintainable test code.

Salary benchmarks by Seniority

Seniority
Permanent Salary
Day Rate (Outside IR35)
Annual Equivalent
Junior (0–2 yrs)
£30,000–£45,000
£230–£380/day
£42,918–£70,908
Mid-Level (3–5 yrs)
£45,000–£72,000
£360–£540/day
£67,176–£100,764
Senior (6–10 yrs)
£72,000–£105,000
£510–£720/day
£95,166–£134,352
Principal/Lead (10+ yrs)
£100,000–£145,000
£680–£960/day
£126,936–£179,136

IR35 Tax Position

Day rates assume outside IR35. Inside IR35 contractor day rates in the UK are typically 15–25% higher to compensate for the lack of tax efficiency and additional payroll costs. ClickMasters engineers are directly employed by us, representing **zero IR35 risk** for clients.

Frequently Asked Questions

Everything you need to know about test automation engineer salary standards.

Approximately £72,000–£105,000 mid-level. London +20–30%.

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