Search SimpleTaxFlow help
All topics
Popular questions
62 results
Knowledge base
Guides and practical explainers
Your SimpleTaxFlow MTD workflow
A practical, repeatable flow for keeping digital records, checking each quarter, and submitting with SimpleTaxFlow.
Read this guideHow to keep MTD records without WhatsApp
Use Activity, Invoices, Insights, and Filing to keep digital records current and prepare quarterly updates without using WhatsApp.
Read this guideImport a bank statement and reconcile your cashbook
Import a bank statement as PDF, CSV or Excel, match existing receipt records, and review new transactions before filing.
Read this guideHow to record income and expenses from WhatsApp
Use WhatsApp messages, receipt photos and PDFs to create MTD-ready income and expense records in SimpleTaxFlow, then review them before filing.
Read this guideHow to prepare and submit a quarterly update
A calm pre-submission checklist: resolve gaps, review your figures, preview the quarter, and submit through SimpleTaxFlow.
Read this guideUse reports, exports, and unpaid invoice checks
Read your P&L, cashflow, unpaid invoices, and cashbook export before a quarterly review or accountant handoff.
Read this guideShare records with an accountant
Invite an accountant to read-only access, decide what they can review, and keep owner-only controls protected.
Read this guideCreate an invoice and keep paid income in sync
Create Stripe invoices from WhatsApp or the Invoices workspace, follow payment status, and keep your income records current.
Read this guideHow to claim business mileage and keep an HMRC-ready log
Learn the 2026/27 HMRC mileage rates, which journeys qualify, what MTD records to keep, and how to log business mileage in SimpleTaxFlow.
Read this guideTell us what you were trying to do.
Include the page or workflow, what you expected and what happened. We will reply by email and help you find the safest next step.
For faster troubleshooting
Add the exact error wording and the filing period or type of record involved. Do not send passwords, HMRC credentials or full payment-card details.
Product help, not personal tax advice
We can explain how SimpleTaxFlow works. For advice about your personal tax position, speak to HMRC or a qualified tax professional.
support@simpletaxflow.co.uk
Ready to put the workflow into practice?
Keep digital records and prepare supported MTD submissions with a 30-day free trial.