Benefits

Convenient online invoicing gives businesses greater speed, better organization, and easier access to important information. Instead of documents passing through various channels, with Inverso the entire process is managed in a single environment. This way, efficient online invoicing becomes a more organized and reliable way of working.

With the platform, you can create, send, and track your online invoices more easily, gain better visibility into payments, and ensure clearer coordination between your team, clients, and accounting department.
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3000+ businesses already trust us

Online Billing vs. Traditional Billing

The difference between the traditional approach and modern online invoicing isn’t just in how the document is issued. It lies in speed, access to information, and traceability. When documents are shuffled between different files and emails, the risk of delays and omissions increases. With organized online invoicing, the workflow is more transparent and easier to manage.

Traditional Invoices

In the traditional model, invoices are often created and sent in a way that requires more time, more checks, and makes tracking more difficult. Information may be scattered across different files, folders, or correspondence, making it difficult to quickly access a specific document or check the current status. As the workload increases, this approach becomes more burdensome and diverts resources away from more important tasks.

Online Invoices

Digital online invoices provide a clearer and more convenient way to manage documents. Creation, sending, and tracking all take place on a single platform, which reduces unnecessary steps and helps keep everything better organized. As a result, daily online invoicing provides greater control and better visibility into processes.
Three versions of a Bulgarian invoice from Inverso, including details such as the sender, recipient, product description, quantities, prices, and QR codes.

Why is Inverso the right software for
online invoicing? ‍

Inverso was created for businesses looking not just for a convenient online invoicing program, but for a more practical way to manage documents, payments, and related processes. The platform brings together in one place everything needed for better organization, easier tracking, and clearer day-to-day operations.

Centralized real-time control

With Inverso, you gain better visibility into everything that happens with your documents. This provides confidence in your day-to-day work and facilitates decision-making.

The platform allows you to send and receive electronic invoices and documents in a single, integrated environment. Instead of information getting lost across different channels, everything is gathered in one place.

With a unified view of all documents, work becomes more transparent, and the complete history and traceability provide greater clarity on the status of each document.  

One interface for everything

A good online invoicing program should make your work clearer, not more complicated. Inverso brings together key tasks in a single environment, so you don’t have to switch between different systems, formats, and channels.

With this platform, you can send online invoices in EDI, XML, and PDF formats, depending on your business needs. There is also an option to forward received electronic documents, which facilitates coordination and speeds up the exchange of information.

All of this is organized within a simple and intuitive interface, and the availability of two languages (BG/EN) is an added convenience for teams and companies engaged in international communication.

Financial Integration

When practical online invoicing is better integrated with financial processes, businesses gain a clearer picture of their revenue and document workflow.

Inverso supports integration with online banking channels, which facilitates the connection between issued documents and financial flows. The platform also allows you to track payments, making it easier to see which documents have been settled and which require attention.

Various reports on received and sent invoices are also available, which help provide a better overview and allow for faster navigation through the information.

Control and Flexibility

Inverso is designed to give businesses greater flexibility in document management and enhanced security in their workflows. This is an essential feature of any online invoicing program.

Among its useful features is the ability to quickly dispute received invoices online, which makes communication regarding specific documents more structured. The platform also provides easy access to registered users, which facilitates faster collaboration with business partners.

An additional advantage is the ability to send e-invoices within the European Union. This makes online invoicing a solid foundation for companies with international operations as well.
A trusted partner of
for dozens of companies
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Logo of Fintech Bulgaria with stylized 'F' symbol in green and red next to the text.
Logo of DSK Bank with a green circular emblem and text, including 'otp group' in smaller font.
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Coface company logo with linked green and blue chain links forming the 'o' and 'f' letters.
Black silhouette of a person swimming with one arm raised above water.
Logo of Fintech Bulgaria with stylized 'F' symbol in green and red next to the text.
Logo of DSK Bank with a green circular emblem and text, including 'otp group' in smaller font.
Blue and black bold letters displaying the text DEV.BG on a white background.
Coface company logo with linked green and blue chain links forming the 'o' and 'f' letters.

Designed forbusinesses like yours at

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Entrepreneurs
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Consultants
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Creators
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Freelancers
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Entrepreneurs
Businessman showing a smartphone to a senior woman during a discussion with charts on the table.
Consultants
Young woman with long curly hair sketching a design on paper at a table with fabric, measuring tape, and tablet.
Creators
Smiling man recording a video with a smartphone mounted on a gimbal in a casual indoor setting.
Freelancers
Smiling man in white shirt drinking coffee while looking at a laptop in a modern office.
Entrepreneurs
Businessman showing a smartphone to a senior woman during a discussion with charts on the table.
Consultants
Young woman with long curly hair sketching a design on paper at a table with fabric, measuring tape, and tablet.
Creators
Smiling man recording a video with a smartphone mounted on a gimbal in a casual indoor setting.
Freelancers
Whether you’re a small team, a growing company, or a business with a large volume of documents, Inverso helps make online invoicing easier to manage. The platform provides greater clarity, better traceability, and less time wasted on administrative tasks.

Flexible plans for your business

Start with what you need today and upgrade as your business grows. This way, you get an invoicing system that scales right along with you.
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3000+ businesses already trust us
Monthly
Annually
Save 2 months with an annual subscription
Free
€0 /month
Issue your first invoices in minutes, with no card required and no commitments.
Get started for free
Get started for free
Includes:
  • 5 invoices*
  • 5 quotes*
  • 1 project
  • Unlimited clients and services
  • Secure cloud data encryption
  • iOS & Android mobile app
Solo
€6.99 /month
€69.90 /year
Branded invoices, banking, and receipt scanning.
Most popular
Includes
  • Everything in Free
  • Unlimited invoices, quotes, and projects
  • Your logo, colors, and custom templates
  • 1 connected bank account with automatic payment matching
  • Recurring invoices with automatic sending
  • AI scanning - up to 30 documents/month
  • Invite your accountant
  • Data import/export
Team
€24.99 /month
€249.90 /year
Your team's entire financial operation - automated.
Includes
  • Everything in Solo
  • Team management with roles and permissions
  • 5 connected bank accounts with automatic payment matching
  • Automatic reminders for unpaid invoices
  • AI scanning - up to 150 documents/month
  • Advanced reports + CSV/XLS export
  • Team activity history
  • Up to 5 users
  • Zapier integration
  • API integration
Business
€79.90 /month
€799.90 /year
For growing companies: more teams and processes, advanced reports, and greater control over invoicing.
Includes
  • Everything in Team
  • Email support within 24 hours
  • Vote for upcoming features
  • Up to 15 spots incl.
* Invoices and quotes include a small 'Powered by Inverso' label. Removed on Solo. Compare prices
What do our customers say?
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3000+ businesses already trust us
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The platform is very easy and intuitive to use. I have been a client for a few months now, and working with the platform has helped us cut costs significantly while boosting our team's productivity!
Blagoy
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Innovation in the field
Innovative software at a great price! It is easy to use and offers everything you need to manage your finances effectively. Definitely a great choice for anyone looking for a reliable solution.
General Laser
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Highly recommended!
Inverso is a revolutionary solution when it comes to invoicing. It is a cost-saving solution for small businesses. I am very happy with this application, its features are improving every day, it is very easy to use, and it saves me a lot of manual work. Highly recommended! 😊
Iva Atanasova
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Easy to use
Incredibly easy to use and pleasant to navigate. The prices are fantastic, and the platform design is sleek and modern.
Petar Manchew
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I fully recommend Inverso!
Inverso is extremely convenient and easy to use. The team strives to add new and improved features, and I can say that I am very satisfied with the services offered. A lot of effort and interesting ideas have certainly gone into its development and maintenance. I fully recommend Inverso!
Kristiyan Atanasov
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Simply wow
Kudos for the amazing innovation!
Victoria Nikolova