Hashorn

Location · QA Automation Company

QA Automation Company in London

London is the largest software engineering market in Europe — heavy concentration of fintech (Monzo, Revolut, Wise), B2B SaaS, and enterprise software. Buyers are typically experienced CTOs and engineering leaders who care more about delivery discipline than cost. Hashorn works as your QA automation company for teams in London and across the United Kingdom. Playwright, Cypress, and pytest automation built to be fast, stable, and trusted by engineering.

UTC+0 gives London a full afternoon overlap with India, a half-day overlap with the UAE, and a morning overlap with the US east coast.

Local context

What the market looks like

Why our delivery model is shaped for buyers in this market.

Densest fintech engineering market in Europe; sophisticated buyer expectations around compliance, security, and audit.

Strong remote-first culture post-2020; comfortable hiring senior engineers in different time zones.

Premium on senior-only delivery, weekly cadence, and clear technical communication.

Who we work with

Typical buyers

Series A–C fintech and B2B SaaS startups in London.

Scaling product companies looking for offshore engineering, QA, and security capacity.

Agencies serving enterprise clients in the City and across the UK.

What you get

As your QA automation company

Playwright, Cypress, and pytest automation built to be fast, stable, and trusted by engineering.

Test stack chosen to match your codebase

Stable, deterministic automated test suites

CI integration with PR-level reporting

Flake-rate dashboards and weekly trends

Test data and environment management

Test maintenance as an ongoing engineering practice

How we deliver

Our process

Senior engineers run the work. AI handles the scaffolding. Weekly demos keep things honest.

01

Assess

Look at the codebase, the deployments, and what's worth automating first vs. last.

02

Frame

Pick the right stack — Playwright, Cypress, pytest — and the test data and environment strategy.

03

Build

Write tests against the most valuable flows first, run them in CI, fix flakiness as we go.

04

Operate

Keep the suite green, expand coverage by sprint, track flake rate as a first-class metric.

Stack

Tools and technologies

PlaywrightCypressSeleniumpytestJestVitestAppiumXCUITestEspressoAllureGitHub Actions

FAQ

Questions clients ask before we start.

Building in London? Let's talk.

Tell us what you're building, we'll tell you how we'd ship it.

Book an intro call →