three.co.uk & DATEV
DATEV always up to date with documents from three.co.uk
GetMyInvoices continuously retrieves new invoices and receipts from three.co.uk and transfers them to DATEV.


Why connect three.co.uk with DATEV?
GetMyInvoices automatically retrieves your three.co.uk invoices and delivers them to DATEV. It logs in to your three.co.uk account for you, fetches every new invoice as a PDF plus structured data, sorts and validates it, and exports it to DATEV booking-ready. One connection covers every three.co.uk account and recurring billing period.
- Automatic retrieval to DATEV: connect three.co.uk once, never log in for an invoice again.
- Booking-ready in DATEV: the PDF plus the structured data your accounting needs.
- Built for many accounts: agencies, IT service providers and tax firms in one dashboard.
Over 20,000 businesses rely on GetMyInvoices














From three.co.uk to DATEV automatically
Three things happen automatically once three.co.uk is connected, so your invoices reach DATEV without manual work.
Retrieves every three.co.uk invoice
GetMyInvoices logs in to three.co.uk Cloud and Robot on a schedule and downloads each new invoice for you, including past invoices still available in your account.
Captures the data, not just the PDF
Each invoice is read, sorted and enriched with structured fields like invoice number, date, net, gross and VAT, then archived in a GoBD-compliant way.
Delivers your invoices to DATEV
Invoices and their data are exported to DATEV, ready for your tax advisor to book. No re-typing, no missing receipts.
Proven performance by GetMyInvoices
''From three.co.uk login to DATEV in four steps''
Set it up once. After that, every three.co.uk invoice finds its way into DATEV on its own.
- 1
Connect your three.co.uk account
Add three.co.uk in GetMyInvoices and enter your login once. The connection is stored securely and used only to fetch your invoices.
- 2
Invoices are retrieved automatically
GetMyInvoices logs in for you on a schedule and downloads every new three.co.uk invoice as a PDF plus structured data. No manual login required.
- 3
Data is prepared for booking
Each invoice is sorted, validated and enriched with the fields your accounting needs, then archived in a GoBD-compliant way.
- 4
Export to DATEV
Invoices and their data are exported to DATEV on your export schedule, ready for your tax advisor to book.
three.co.uk also exports to these systems
Your three.co.uk login stays protected
From the three.co.uk login to the DATEV export, we treat your credentials and your invoices accordingly.
Encrypted, or no password at all
Your three.co.uk login is stored encrypted and cannot be viewed by GetMyInvoices staff. Prefer to store no password? Bring your three.co.uk invoices in by email instead, through a dedicated GetMyInvoices inbox.
Hosted in Germany, GDPR
GetMyInvoices is GDPR-compliant and hosted in Germany. All data is transferred over HTTPS.
GoBD-compliant archive
Every three.co.uk invoice is archived in a GoBD-compliant way, with the original document kept alongside its data.
About three.co.uk & DATEV

three.co.uk
three.co.uk is the customer portal of the mobile network provider Three UK, where invoices for mobile and data plans are made available. These receipts must be regularly transferred to accounting. GetMyInvoices automatically retrieves them, saving you the hassle of manually logging in and downloading.

DATEV
DATEV eG is a software cooperative founded in 1966 and based in Nuremberg. Its software for accounting, tax and payroll is widely used by tax advisors, auditors and the businesses they work with across Germany. For most companies, DATEV is where receipts and invoices are recorded and handed over to the tax advisor. That makes it the natural destination for documents like your three.co.uk invoices.
GetMyInvoices sits between three.co.uk and DATEV: it downloads the invoice at three.co.uk and delivers it to DATEV, ready to book.
Frequently asked questions about three.co.uk, DATEV and GetMyInvoices
Connect your three.co.uk account in GetMyInvoices once. From then on, GetMyInvoices logs in for you on a schedule and retrieves every new invoice as a PDF plus structured data, without you opening the three.co.uk console again.
Your three.co.uk credentials are stored encrypted and cannot be viewed by GetMyInvoices staff. They are used only to retrieve your invoices. GetMyInvoices is GDPR-compliant, hosted in Germany, and transfers all data over HTTPS.
If a login stops working, for example after a password change, GetMyInvoices flags the connection in your dashboard and notifies you. You update the credentials once and automatic retrieval continues.
Yes. You can connect multiple three.co.uk Cloud and Robot accounts and manage them from one GetMyInvoices dashboard. This is built for agencies, IT service providers and tax firms handling many clients.
To DATEV and more than 50 further integrations such as Lexware Office, sevdesk, Addison, Google Drive and Dropbox. You can also export in formats like CSV, ZUGFeRD and X-Rechnung. Your three.co.uk invoices arrive booking-ready in the tool your accounting uses.
GetMyInvoices archives your three.co.uk invoices in a GoBD-compliant way and keeps the original document alongside the extracted data. GoBD-compliant does not mean GoBD-certified; please confirm the specifics for your setup with your tax advisor.
No. You can start retrieving and organizing your three.co.uk invoices in GetMyInvoices right away. The DATEV export is available once you or your tax advisor connect DATEV. Everything else works without it.
Alongside the original PDF, GetMyInvoices captures the structured fields such as invoice number, date, net and gross amounts and VAT, and passes them to DATEV so your tax advisor can book without re-typing.
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three.co.uk invoices?
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