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UK practice management · Reimagined

The operating system for UK accountancy practices.

Smart deadlines. Continuous Xero intelligence. UK-native compliance. AI that surfaces what needs action before you ask.

✓ UK-native✓ Xero intelligence✓ CH sync✓ Workstreams✓ Founder-led
Practice Pulse — Daily Dashboard
Product

See the whole practice in one place.

Service Workstreams

Service Workstreams

VAT, Payroll, Accounts, CT600, CS01, Pension — separate lanes.

AI Practice Intelligence

AI Practice Intelligence

Daily Critical / Quick Wins / Watch-Outs per team member.

Xero Deep Integration

Xero Deep Integration

12 OAuth scopes, real-time TB, 10 intelligence patterns.

Companies House Sync

Companies House Sync

Nightly delta, weekly officers. Catches £2-8k WIP per transition.

Pricing

Per firm. Unlimited users. Always.

Five tiers. Annual saves 17%. 30-day trial, no card.

Solo
£29
/month
  • Unlimited users
  • 30 clients
  • Generous AI

Start Free Trial

Starter
£59
/month
  • Unlimited users
  • 100 clients
  • Generous AI

Start Free Trial

Growth ☆
£119
Most popular
  • Unlimited users
  • 300 clients
  • Generous AI

Start Free Trial

Practice
£199
/month
  • Unlimited users
  • 750 clients
  • Generous AI

Start Free Trial

Scale
£299
/month
  • Unlimited users
  • Unlimited clients
  • Generous AI

Start Free Trial

First 3 firms only

Founding Partner — £99/month lifetime

Lifetime pricing locked forever. Unlimited clients and team. Direct founder access. Roadmap influence.

Apply Now

Differentiation

Not another generic practice tool.

Generic Traditional Fynvro OS
Approach Show lists Show workflows Detects risks, helps act
UK deadlines Manual Basic 17 services, native UK rules
Xero intel. 10 active patterns
CH monitoring Daily Nightly + officers
Pricing Per user Per user Per firm, unlimited users
The founder

Built by someone who runs businesses too.

Kazi Salah Uddin — founder, Britbunt Ltd. Two products, one company.

Fynvro OS
UK accountancy practice management
BACKBENCHER®
UK premium organic streetwear

“UK accountancy firms deserve software built by someone who has actually filed VAT returns — not by someone who learned from a marketing brief.”

BSc Hons Business Management (ULAW) · Former chef · London-based

Get in touch

Book a demo. No script. No pressure.

30–45 minutes. We walk through the product. You ask the questions that matter to your firm.

Or write to support@fynvro.com

Fynvro OS

Built by Britbunt Ltd

Company No. 14493528

Built in London for UK firms

© 2026 Fynvro · Britbunt Ltd · Built in London for UK firms
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