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123 SA100 Solution

123efiling.co.uk

From £18/mo WebAndroid
Visit 123efiling.co.uk
Spec score 7.6 #98 of 149 in Tax Software

Spec sheet

What it does
The online service prepares and submits personal and partnership tax returns and VAT returns to HMRC.Read 11 Oct 2026 · 123efiling.co.uk
Free plan
NoRead 20 Sep 2026 · 123efiling.co.uk
Security
The privacy policy says personal information is stored on password- and firewall-protected servers and electronic financial transactions are protected by encryption technology.Read 11 Oct 2026 · 123efiling.co.uk
Support
Free online chat support is available 9am–5pm UK time Monday to Friday, with extended hours until 10pm in January.Read 11 Oct 2026 · 123efiling.co.uk
Headquarters
2nd floor, 6 Oxford Street, Bolton, Greater Manchester, BL1 1RF, United KingdomRead 28 Sep 2026 · 123efiling.co.uk
Assisted service
The Assisted Package includes review by a member of the tax team, help with tax queries and technical support for validation issues.Read 11 Oct 2026 · 123efiling.co.uk
Data transfers
The privacy policy says information may be transferred to countries including the United States, Russia, Japan, China and India.Read 11 Oct 2026 · 123efiling.co.uk
HMRC recognition
The maker says its service is HMRC recognised for SA100 personal returns, SA800 partnership returns and MTD VAT.Read 11 Oct 2026 · 123efiling.co.uk
Integration
The service submits returns online to HMRC and requires customers to have activated the relevant service in their HMRC online account.Read 11 Oct 2026 · 123efiling.co.uk
Mobile access
web_and_mobileRead 20 Sep 2026 · 123efiling.co.uk
MTD workflow
For MTD returns, users complete a spreadsheet template, upload it to the bridging software, then review and submit it to HMRC.Read 11 Oct 2026 · 123efiling.co.uk
Rental income
YesRead 20 Sep 2026 · 123efiling.co.uk
Return downloads
Users can download, view, save and print their return or tax report.Read 11 Oct 2026 · 123efiling.co.uk
Self-employment support
YesRead 20 Sep 2026 · 123efiling.co.uk
Spreadsheet compatibility
The MTD spreadsheet workflow supports Excel 2010 or newer and does not support Excel 2007.Read 11 Oct 2026 · 123efiling.co.uk
State filing
noneRead 20 Sep 2026 · 123efiling.co.uk
Supported tax cases
The Standard Package supports schedules including non-resident and trust pages, plus employed, self-employed, partnership, rental and foreign income.Read 11 Oct 2026 · 123efiling.co.uk
Web service
The maker says there are no downloads required to use its forms.Read 11 Oct 2026 · 123efiling.co.uk
Who it serves
The MTD ITSA page describes the intended users as self-employed individuals and landlords.Read 11 Oct 2026 · 123efiling.co.uk

Plans and prices

Standard Package £18 a month Payments are charged at the time of submission Personal or partnership return · Online submission to HMRC · Downloadable tax report · Self-employed, rental, foreign income, non-resident and trust schedules Read 20 Sep 2026 · 123efiling.co.uk
Assisted Package £75 a month Payments are charged at the time of submission Software plus tax advisor · Return review by a member of the tax team · Online submission to HMRC · Technical support for validation issues Read 20 Sep 2026 · 123efiling.co.uk
Multi Returns Package Price not published Pay annually 1 partnership plus 2 personal returns, or any 3 self-assessment returns Read 11 Oct 2026 · 123efiling.co.uk
Assisted Package Price not published Charged at submission 1 personal or partnership return · return review by tax team · tax adviser assistance Read 11 Oct 2026 · 123efiling.co.uk
MTD-ITSA Package (Single Business – Self-Employed or Landlord) Price not published Annual fixed charge 4 quarterly returns and a final declaration · 1 business Read 11 Oct 2026 · 123efiling.co.uk
MTD ITSA/VAT 100 Price not published Annual fixed charge 51 to 100 MTD ITSA/VAT returns; credits can be used for VAT and/or MTD Income Tax submissions Read 11 Oct 2026 · 123efiling.co.uk
MTD ITSA/VAT 20 Price not published Annual fixed charge Up to 20 MTD ITSA/VAT returns; credits can be used for VAT and/or MTD Income Tax submissions Read 11 Oct 2026 · 123efiling.co.uk
MTD ITSA/VAT 200 Price not published Annual fixed charge Above 100 MTD ITSA/VAT returns; credits can be used for VAT and/or MTD Income Tax submissions Read 11 Oct 2026 · 123efiling.co.uk
MTD ITSA/VAT 50 Price not published Annual fixed charge 21 to 50 MTD ITSA/VAT returns; credits can be used for VAT and/or MTD Income Tax submissions Read 11 Oct 2026 · 123efiling.co.uk
MTD-VAT Package (Single Business) Price not published Annual fixed charge 4 VAT returns · 1 business Read 11 Oct 2026 · 123efiling.co.uk
Standard Package Price not published Charged at submission 1 personal or partnership return · supports non-resident and trust pages Read 11 Oct 2026 · 123efiling.co.uk

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