In development
Switching from M.E.Doc or BAF?
Tell us which reports you file — we will start with them.
Tax reporting — straight from your books
Reports and tax invoices are filled in from your documents, checked against the tax service schemas, signed with a qualified e-signature and sent with one button. Receipts come to the report card and to Telegram.
20200126 · September 2026sent
VAT return
- ✓Draft in the books01.10 · 09:12
- ✓Checked: tax service schema and control ratios0 errors
- ✓Signed: director, accountantDiia signature · file key
- ✓Sent to the tax service10:42
- ✓Receipt No. 1 · signature and format10:51
- Receipt No. 2 · acceptedby the end of the next business day
Signed in Diiadirector · 10:40
RECEIPT No. 1
Document delivered.
Signature valid ✓
Format matches ✓
06.10.2026 10:51
Every number — from documents
Press a report line — you will see the tax invoices and documents it is calculated from. No more "where does this sum come from?".
VAT return · September
Line 1Supplies at the standard rate of 20%[XXX XXX]
Line 10.1Input VAT credit[XX XXX]
Line 25Amount to pay[XX XXX]
Line 1 consists of47 documents
Tax invoice No. 214 · Restaurant "Dnipro" →registered 05.09[X XXX]
Tax invoice No. 215 · LLC "Agrosvit" →registered 08.09[XX XXX]
Summary invoice · bar retail →fiscal receipts for September[XX XXX]
Tax invoice No. 231 · Sole trader Melnyk →registered 29.09[X XXX]
… 43 more · Excel
Screen mockup. Names, people and amounts are examples.
VAT and deadlines — no surprises
Tax invoices under control
Invoice registration limit[XXX XXX]
Used 72% · enough for invoice No. 234 ✓- No. 231 · Sole trader Melnyk[X XXX]registered
- No. 232 · LLC "Budmarket"[XX XXX]suspended · explanations needed
- No. 233 · Café "Lypa"[X XXX]processing
- No. 234 · LLC "Agrosvit"[XX XXX]awaiting signature
A suspension is visible at once: open the invoice — explanations and the taxpayer data table are already filled in.
Reporting calendarOctober 2026
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The VAT return is due in 14 days. Assistant: 2 invoices are not registered yet.
Screen mockup. Names, people and amounts are examples.
security
Your e-signature key stays with you
We never store your keys on the server. Even if someone gets access to the system, they cannot sign a report on your behalf.
- Your keya file, a token, a cloud signature or Diia signature — on your side→
- Signinghappens in your browser or in Diia→
- double Hbreceives the already signed file, encrypts and sends it→
- Tax servicetwo receipts come back to the report card
What it sends
vat
Tax invoices, adjustments, return
Registration in the VAT register, statuses, suspension, explanations, registration limit.
payroll
Consolidated reporting
Income tax, military levy and social contribution — from payroll accruals.
profit and single tax
Returns and financial statements
Corporate profit tax, single tax for companies and sole traders.
incoming
Letters and requests from the tax service
They arrive in the company card and as an alert in Telegram.
forms
New versions — automatically
A new form arrives with updates; the old one cannot be sent after the change date.
two modes
File or direct sending
To start with — a ready XML for the Electronic Cabinet, then a "Sign and send" button.