The Service-as-Software Platform for Accountants
Quartal Hub is the platform for accountants and other professionals of financial management who want to stop selling hours and start selling finished work. Done by AI agents with your experts in control.
SaS Platform for Accountants
AI lets software companies stop selling tools and start selling finished work. We believe accounting firms are even better placed to do the same.
Accountants, auditors, payroll experts and other professionals of financial management have what AI giants and SaaS companies lack: regional and domain expertise, knowledge of local regulation and the trust of their customers. Service-as-Software (SaS) combines that expertise with AI agents and software, and delivers the outcome instead of the tool.
| SaaS | Services | Service-as-Software | |
|---|---|---|---|
| Delivers | A tool | Work | Outcomes |
| Driven by | Software features | People and hours | AI agents and experts |
| Priced by | Seat, subscription | Billable hours | Outcome and value |
Quartal Hub is the platform to make that move: from a time-and-material business to value-based service.
Multi-Player and Multi-Company Harness
Manage AI for hundreds of customer companies.
Chat assistants and agent tools are built for one person or one company. An accounting firm has dozens of employees in teams, serving hundreds of customer companies with thousands of their employees. Quartal Harness is designed for exactly that:
- Multi-player: advisors work in teams, with roles and customer groups
- Multi-company: every agent works in the sandbox of one company at a time
- Strict control: which rule, based on which law, who checked and who made the decision, with an audit trail of every step
- Cost control: token limits per customer and reports to invoice the AI costs
- Model independence: change the model per task without rebuilding your agents
Batteries Included
Get all the business logic from plugins. The Financial Management plugins are included in the Quartal Hub subscription:
- Quartal Invoicing : Easiest Invoicing you have ever used.
- Quartal Expenses : Expenses and Payments without hassles.
- Quartal Banking : Payments and bank statements digitally.
- Quartal Accounts : Accounting Software redefined for 2025.
- Quartal Customers : Light CRM for SMEs.
- Quartal People : GDPR-compliant customer, employee & payroll management.
Add payroll from our partner Salaxy, connectors to other financial management software and community plugins from the plugin marketplace.
...or Package Your Own Business Logic
Your firm's know-how is your edge. Package it as a plugin for AI agents: define the logic once, use it from anywhere.
A Quartal Plugin packages tools, widgets, agent skills and agents in one place. The same plugin works inside Quartal Hub, in chat assistants such as ChatGPT and Claude, in autonomous agents, vibe-coding tools and your own software.
Distribute it with authorization built in, keep it to your own firm or sell it in the marketplace. Quartal Plugins is open source (MIT): start for free at plugin.quartal.com.
Strong European Authentication
Know who you work with. Every person and every company in Quartal Hub is identified.
- People sign in with national strong authentication: bank credentials and mobile ID
- Companies and their representatives are verified from the company registry and Suomi.fi authorizations
- Authorization is built for advisors managing hundreds or thousands of customer companies
- Personal data is handled by GDPR, also for employees discussing their own payroll and HR matters
Quartal IAM also brings single sign-on, so your own users sign in with the credentials they already have. More about Quartal IAM
Your Product, Your Service, Your Agents.
Our Platform.
Quartal Hub is piloted with selected accounting firms and software companies, and open for registration to early adopters.
Want a demo, or to talk about how your firm moves from selling hours to selling finished work? Give a call to Markus or Olli.