The Finance Base / Tax filing software / 123 SA100 Solution
123efiling.co.uk
123 SA100 Solution
The online service prepares and submits personal and partnership tax returns and VAT returns to HMRC.
Fees and plans
| Multi Returns Package | On request |
|---|---|
| MTD-ITSA Package (Single Business – Self-Employed or Landlord) | On request |
| MTD ITSA/VAT 100 | On request |
| MTD ITSA/VAT 20 | On request |
| MTD ITSA/VAT 200 | On request |
| MTD ITSA/VAT 50 | On request |
| MTD-VAT Package (Single Business) | On request |
| Assisted Package | On request |
| Standard Package | On request |
As 123efiling.co.uk publishes them, read Oct 11, 2026. Fees, tax and exchange rates can differ when you pay; check the provider's own page first.
Facts we read
- Assisted serviceThe Assisted Package includes review by a member of the tax team, help with tax queries and technical support for validation issues. · 123efiling.co.uk, Oct 11, 2026
- Data transfersThe privacy policy says information may be transferred to countries including the United States, Russia, Japan, China and India. · 123efiling.co.uk, Oct 11, 2026
- Free planNo · 123efiling.co.uk, Sep 20, 2026
- Headquarters2nd floor, 6 Oxford Street, Bolton, Greater Manchester, BL1 1RF, United Kingdom · 123efiling.co.uk, Sep 28, 2026
- HMRC recognitionThe maker says its service is HMRC recognised for SA100 personal returns, SA800 partnership returns and MTD VAT. · 123efiling.co.uk, Oct 11, 2026
- IntegrationThe service submits returns online to HMRC and requires customers to have activated the relevant service in their HMRC online account. · 123efiling.co.uk, Oct 11, 2026
- Mobile accessweb_and_mobile · 123efiling.co.uk, Sep 20, 2026
- MTD workflowFor MTD returns, users complete a spreadsheet template, upload it to the bridging software, then review and submit it to HMRC. · 123efiling.co.uk, Oct 11, 2026
- Rental incomeYes · 123efiling.co.uk, Sep 20, 2026
- Return downloadsUsers can download, view, save and print their return or tax report. · 123efiling.co.uk, Oct 11, 2026
- SecurityThe privacy policy says personal information is stored on password- and firewall-protected servers and electronic financial transactions are protected by encryption technology. · 123efiling.co.uk, Oct 11, 2026
- Self-employment supportYes · 123efiling.co.uk, Sep 20, 2026
- Spreadsheet compatibilityThe MTD spreadsheet workflow supports Excel 2010 or newer and does not support Excel 2007. · 123efiling.co.uk, Oct 11, 2026
- State filingnone · 123efiling.co.uk, Sep 20, 2026
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