Otto AI is modernizing Finance
Create GST Invoices & Legally Valid Contracts Online
Send compliant invoices, sign contracts, and file tax returns — the smarter way to run your business.
.png){kind=small}
Send compliant invoices, sign contracts, and file tax returns — the smarter way to run your business.
Quickly register as a sole trader or limited company. Understand your business structure clearly with our intuitive guides.
Automatically categorise expenses for effortless HMRC compliance. Access support from experienced UK accountants whenever needed.
Otto AI helps you create GST invoices with UEN, structured to match IRAS requirements and ready for use with the InvoiceNow network. Add service details, GST breakdowns, and issue documents quickly.
Create project-based contracts, terms of service, or consultancy agreements using templates built for digital signing and local formats. Otto AI supports Singpass-authenticated signing and e-contract readiness.
Prepare GST returns (Form F5), Form B/B1 for self-employed tax filing, and withholding tax declarations. Otto AI calculates totals and formats everything for IRAS e-Submission.
Get clear profit and loss statements, GST summaries, and income breakdowns auto-generated from your invoicing data. Otto AI prepares tax-ready summaries and ECI-aligned reports without the manual formatting.
Otto is your all-in-one financial tool.
Directly from our users—how Otto is changing the way creative businesses manage their money.
You can create GST invoices, contracts, and core tax forms like Form F5 and B/B1 for free. Additional automation tools are available on premium plans.
Yes. Otto AI encrypts your tax data, contracts, and reports with compliance to local privacy and IRAS requirements.
All documents are generated in SGD, with correct GST application and IRAS-compliant fields.
Otto AI structures each invoice to match GST rules, with UEN, GST rate fields, and InvoiceNow compatibility included.
Contracts can be signed electronically through Singpass or other IRAS-recognized digital signature methods.
Otto AI generates profit and loss reports, GST summaries, and ECI-based income reports aligned with IRAS formats.
Otto AI operates in English with templates that follow standard Singapore business documentation practices.
Yes. Otto AI syncs with supported platforms to track payments and match transactions to invoices.
Sign up, enter your UEN, and start creating compliant invoices, contracts, and tax forms instantly.
Yes! Freelancers, consultants, and SMEs across Singapore use Otto AI to automate GST invoicing, digital contracts, and IRAS tax filing.
You can issue your first GST invoice in under 1 minutes. Otto AI auto-fills your UEN and GST fields — no setup required.
No. Otto AI is completely free to start — no credit card or setup fee needed.
Users save 4–6 hours monthly by automating Form F5, ECI, and contract workflows.
Absolutely. You can review and download every Form F5 or B/B1 before submitting to IRAS.
Otto AI keeps GST rates, ECI rules, and income tax requirements up to date with IRAS for precise filings.