Simple Making Tax Digital software for sole traders and landlords
Command line interface for firm staff, scripts and AI agents to access practice data
Stage
Startup
Not given
Founded
2026
Not given
Based in
GB
US
Pricing model
Freemium
Not given
Pricing
Free for the entire 2026-27 tax year (6 April 2026 to 5 April 2027). From 2027-28 onwards: £19.99 per year. No VAT currently added, no per-submission fees, no tiers.
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Key features
Quarterly updates for self-employment income
Quarterly updates for UK property income including residential finance costs
CSV and Excel import with column mapping
AI categorisation of transactions into HMRC categories
AI pre-submission review to catch errors before HMRC
Standard or calendar quarters, chosen per tax year
Annual adjustments and final declaration
HMRC Assist feedback shown with tax estimate
Audit-ready records with timestamps and references
Consolidated expenses support for turnover under £90,000
Cross-platform installation for macOS, Linux and Windows
Full-screen terminal application with home, work, clients and billing screens
Commands for clients, contacts, tasks, invoices, engagements, requests and messages
Operation search and execution with customizable fields
Agent sign-in with JSON output and approval workflows
MCP server integration with Claude, Codex, Cursor and VS Code
Approval system with exit codes and approval wait functionality
Service token support for CI environments
Tab completion for commands, fields and client names
What makes it different
Simplest MTD software, built specifically for sole traders and landlords
No banking, VAT, invoicing or payroll - just the tax bit
AI automatically sorts expenses into HMRC categories
Unified interface applying the same permissions and approvals across CLI, app, API and MCP
AI agents can access firm data while subject to approval workflows and firm policies
Integration with major AI coding platforms through MCP server support
Affordable MTD
Firmary