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Build My Quarter

Turn your records into your 123 Sheets figures — income, expenses and mileage, ready to file.

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Paste a Message → Figures

Got your totals in a text or WhatsApp? Paste it and we read it into draft figures. Back it up with your records.

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Where I Stand

Your live position this year — income, expenses, profit so far, key dates and what’s still needed.

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Ask Agent Max

Quick answers on CIS, expenses, mileage, deadlines and bridging software — any time.

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Upload CIS Statements

Your monthly CIS deduction statements — we total gross, CIS and net for the period.

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Add Mileage

Log a site-to-site trip — we calculate the claim automatically. Log each different site.

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Upload Receipts

Snap a receipt or invoice — stored in your vault and added to your expenses.

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Upload Bank Statement

Your statement for the period — backs up your claim and catches anything missed.

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HMRC Letter

Had a letter from HMRC? Upload it and we’ll explain it and what to do next.

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Refer a Friend

Know another subbie? Refer them — it’s tagged to your account automatically and you earn when they join.

📧

Upload Receipts

Snap a receipt or invoice — stored in your vault and added to your expenses.

🏦

Upload Bank Statement

Your statement for the period — backs up your claim and catches anything missed.

✉️

HMRC Letter

Had a letter from HMRC? Upload it and we’ll explain it and what to do next.

🎁

Refer a Friend

Know another subbie? Refer them — it’s tagged to your account automatically and you earn when they join.