Expert Accounting for the UK's Innovators & Builders.
Whether you're a contractor, a startup founder, or an SME owner — we know your world, and the tax rules that come with it.
Find your solutionFind Your Perfect Fit
We speak your language.
Generic advice doesn't cut it. We match our systems, tax strategy, and reporting to how your business actually works.
Freelancers & Contractors
Navigate IR35, maximise your take-home pay.
Contracting gives you freedom; tax shouldn't take it back. We keep you compliant and tax-efficient while you focus on the work.
Tech Startups
Scale fast with the right financial foundation.
From first cheque to Series A — R&D claims, investor-ready reporting, and advice that keeps pace with your growth.
Growing SMEs
The financial partner your business deserves.
As you grow, the finances get more complex. We put in the systems, reporting, and guidance to match each stage.
Client Stories
Real results, real people.
"As an IT contractor, IR35 was keeping me up at night. Horizon reviewed my contracts, restructured my setup, and I've saved thousands. They truly understand contractor finances."
Marcus Thompson
Senior IT Contractor
"Horizon helped us claim £85k in R&D tax credits we didn't even know we were entitled to. Their Virtual CFO service gave us the board-level financial insight we needed to raise our seed round."
Sarah Chen
CEO, FinTech Startup
"We'd outgrown our previous accountant. Horizon migrated us to Xero, set up proper management accounts, and now I actually understand our finances. It's been a game-changer."
David Brooks
Director, Creative Agency
Next Steps
Ready for an accountant that actually gets it?
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Ready to see your numbers clearly?
Join 200+ businesses that trust Horizon to keep their finances in order — so they can focus on growth.