95 %
Customer satisfaction rate
80'000+
Customers already rely on our software solution
1.6 million+
Invoices are generated annually using 21.AbaNinja
Your accounting with 21.AbaNinja
What started out as a simple invoicing solution can now do so much more: 21. AbaNinja combines accounting, order processing, payments, time recording and expense management in a cloud-based solution. With 21.AbaNinja, you can digitise your business cost-effectively and efficiently – even in dark mode.
Order processing
From quotation to QR invoice, fully automated
With 21.AbaNinja, you can digitise your entire order processing workflow. Offers are checked online and confirmed with a digital signature. With just one click, you can convert the offer into an order and generate an order confirmation, QR invoice and delivery note. You make the documents you have created available to your customers via the customer portal, including a direct online payment option. It is also possible to send emails using your own infrastructure.

Address management
Addresses can be imported or exported via Excel and customised with language, currency, notes and criteria (tags)
Product Management
Manage products and services centrally: from names and units of measure right through to prices
Stock management
Keep track of incoming and outgoing stock thanks to automatic stock adjustments via delivery notes
Document Designer
Easily customise our document templates to match your CI/CD
Invoice types
Create partial, instalment, on-account and variant invoices
Recurring invoices
Invoice subscriptions or service contracts
Automated debt collection
Send payment reminders and demands for payment automatically
Digital signature
Sign quotations digitally using our integrated DeepSign tool
Supplier invoices
Process supplier invoices with ease
Are your supplier invoices piling up and you have to painstakingly enter them manually? With 21.AbaNinja, that’s a thing of the past. Upload the invoice and the AI-powered document recognition system will capture all the key details. You can then post and pay the invoice straight away. All receipts are clearly displayed with statuses such as ‘open’ or ‘paid’, so you can keep track of them at all times. Accounts Payable can be that straightforward!
Automatic e-banking reconciliation with over 80 banks
21. Connecting AbaNinja to your bank is a real game-changer for automating your bookkeeping. Thanks to automatic bank reconciliation, account transactions are imported daily from your online banking and automatically matched by the system against outstanding invoices and receipts – reducing manual effort and errors to a minimum. Payment orders for supplier invoices can also be sent to your bank at the touch of a button.

Accounting
Simple, efficient bookkeeping
With 21.AbaNinja, you can automate your accounting from receipt of payment right through to analysis: Bank transactions, supporting documents and journal entries are automatically recorded, clearly displayed in the journal and analysed in real time on the dashboard. This way, you can keep track of your finances at all times.

Open Items & Reports
Keep track of outstanding customer and supplier invoices and payment statuses at all times
Flexible account allocations
Manage and correct journal entries easily and transparently
Balance sheet, profit and loss account and annual accounts
Generated automatically based on your entries, even for flexible financial years
Calculation of VAT
VAT can be accounted for using the gross, net or balance methods
Standardised chart of accounts
Based on the Swiss SME chart of accounts, customisable
Double-entry bookkeeping
Fully integrated and implemented in an audit-proof manner
Time recording
Easily record working hours, absences and services
With the integrated time recording feature, you and your employees can easily record working hours (clocking in and out), holidays and absences. Services can be invoiced directly to your customers. Working time models, flexitime arrangements and holiday and public holiday calendars can be tai-lored to suit your organisation. The report clearly shows absences, holiday entitlement and overtime. Other time recording tools include the AbaClik AI smartphone app and the AbaClock iPad terminal.

Expense management
Capture receipts on the go and post them straight away
With our AbaClik AI mobile app, you can easily scan expense receipts. Our powerful AI automatically recognises key information such as VAT, amount and supplier. The document is then sent directly to 21.AbaNinja and an automatic entry is created.

SamurAI
Your intelligent AI assistant
SamurAI is the unique AI assistant in 21.AbaNinja. Not only does it answer questions about the tool, but it also carries out tasks such as creating an invoice independently. This allows you to work faster, more intuitively and more efficiently than with any comparable accounting software.

API & Webhooks
Flexible interfaces for custom integrations
With the 21.AbaNinja API, you can flexibly integrate the accounting programme into your existing system landscape. With any paid subscription, you can automatically exchange data, connect external applications or develop your own extensions relating to invoices, addresses, products or accounting processes. This means 21.AbaNinja adapts perfectly to your workflows and grows alongside your business from a technical perspective.

Get started for free, scale easily: accounting software that grows with your business
Abacus Research AG is the largest independent Swiss provider of business software. Abacus continuously invests in the research, development and support of 21.AbaNinja. This allows you, as a start-up or SME, to benefit from the latest technologies and current standards. At the same time, we offer you a scalable solution that grows with your company.
Discover all Swiss21 apps
Forget high software costs and long waiting times for implementation. Our scalable Swiss21 ERP software offers numerous programs that are all interconnected. In just five minutes, you'll be ready to go!
FAQ about the 21.AbaNinja accounting software
Who is 21.AbaNinja suitable for?
21. AbaNinja is ideal for Swiss SMEs, start-ups, freelancers, associations and organisations that want to manage their bookkeeping, order processing and administration easily and digitally.
Do I need any knowledge of bookkeeping?
A basic understanding is helpful, but not essential. 21.AbaNinja supports you with automations, clear reports and intuitive guidance through all your accounting processes. If you’d like to outsource more complex tasks such as VAT returns, our Digital Coaches are on hand to help.
Can I create QR invoices and allow customers to pay them online?
Yes. With 21.AbaNinja, you can create QR invoices in accordance with the Swiss standard. Your customers can pay their invoices directly online via Stripe, TWINT, PayPal or bank transfer. E-Bill is also an option.
Can I link 21.AbaNinja to my bank?
Yes. 21.AbaNinja offers over 80 bank connections. Incoming payments are automatically reconciled and payment orders are sent directly to your bank.
Can I switch to Abacus ERP at a later date?
Yes. 21.AbaNinja is based on Abacus technology and can be integrated into the Abacus ERP ecosystem or expanded as your needs grow. You can find out more here.























