Your Modern UK Business Platform
Calla Solo is officially live and ready for deployment. Includes intelligent Mileage logging and inbound Email OCR modules for just £6 per month.
No commitments. Cancel online at any time.
Select Your Operational Tier
Choose the application tailored to your current UK business configuration.
The ultimate toolkit built for sole traders and contractors. Includes **Calla Pay** mobile receipt scanning, inbound email OCR, and smart mileage log tracking panels natively.
Multi-user double-entry accounting software for small businesses, advanced tracking ledgers, and scaled VAT systems.
Comprehensive client onboarding matrices, internal accounting practice management workflows, and document systems.
Statutory accounts production, iXBRL direct filing infrastructure to Companies House, and integrated approval portals.
Upcoming Platform Modules
Pure Plain English Bookkeeping for Single Operators
Avoid unnecessary terms or forced calculations. Calla Solo is tailored to track money owed to you, record what you have spent, and format your complete tax documentation cleanly for HMRC.
Track money owed to you instantly
Maintain a live, crisp plain-English view of your open sales. Log incoming client trackings, review pending balances, and trace historical receipts seamlessly from an ultra-clean master control console.
Got a paper ledger? Import income and bills from it →
Bob building co
Due 25 Jul 2026
New invoice
Log precisely what you have spent
Rapidly spin up clean ledger components on the move. Preserve structured values down to your storage tables exactly when tasks complete to lock in deductions correctly.
Track expenditures & running costs
Keep rigorous tabs on structural outgoings, supply tokens, and operational infrastructure metrics. Categorize running bills cleanly down to specified business classifications automatically.
📱 Tip: open the Calla Pay app and use Scan Receipt to add bills straight from your phone — they'll land here to check. Got a paper ledger instead? Import it →
Chaiiwala
2 Jun 2026 · Office and admin
Automated HMRC Mileage Tracking
Your active mileage parameters auto-compile approved baseline tiers straight into your structural reporting. No manual calculations required.
£393.30 you can claim back
First 10,000 miles at 45p — 9,126 miles remaining at that rate
Lands End to John O'Groats — To drop off a package
25 Jun 2026 · 874 miles
Ready to stop dreading January?
The Calla Accounts multi-user double-entry accounting software platform is currently in active configuration and structural development.
Our dedicated accounting practice management orchestration engine is currently running through private pre-release internal development timelines.
The statutory accounts production suite, linked corporation filing loops, and electronic signature systems are currently inside development pipeline loops.
Full UK payroll engines factoring RTI FPS/EPS transmissions and automated auto-enrolment pension upload pipelines are processing inside development cycles.