GoBD-compliant and high-performance

Process documentation software

Discover the Opti.Tax documentation on how to draw up your procedural documentation in a structured manner. Now featuring BPMN process modelling and AI assistants.

hsp Handels-Software-Partner GmbH

4,84 by 5
out 304 Reviews

Opti.Tax documentation: the superior software solution on the market

Opti.Tax for procedural documentation

Only Opti.Tax offers the complete package for your practice:

  • Visualisation as a BPMN diagram AND as a text document
  • Links, attachments and references of all kinds
  • AI-assisted generation of sample process chains and texts
  • technical leadership, all key interfaces, and much more.

Watch the video to see how Opti.Tax takes the creation and maintenance of your procedural documentation to a whole new level.

Reliable

We have been developing compliance and reporting solutions for professionals for decades.

Complete

The software uses the BZSt taxonomy, so you won’t miss a thing.

Latest

We keep the software up to date with free updates.

Professionally managed, well thought-out, GoBD-compliant

The benefits of using Opti.Tax for procedural documentation

Technical leadership in software

To ensure you reach your goal as smoothly and efficiently as possible, Opti.Tax helps you prepare your documentation.

  • On-board help videos: explanatory videos on individual items, accessible directly within the software
  • Live validation: Your entries are checked for validity on an ongoing basis
  • Training courses and e-learning programmes: personalised onboarding, plus helpful e-learning videos and discussion groups within the hsp Community

AI-generated process chains and texts

The ChatGPT integration in Opti.Tax supports you and takes the strain off you when it comes to many time-consuming tasks:

  • Expand on the text: Fill in text fields more quickly by entering keywords – the AI will turn them into complete sentences
  • Creating process chains: Based on keywords or a voice recording, the AI generates sample processes that you can edit
  • Gathering information: For detailed descriptions, the AI retrieves information and data on software systems and interfaces for you

Microsoft 365 integration included

With the Microsoft 365 integration timeliness becomes a matter of course:

  • Automatic notifications in the event of process changes (via email or the Teams app)
  • All tasks go straight to Microsoft To Do and therefore in Outlook
  • Integrated and seamless transition: Tasks are not overlooked; everyone stays informed

Using Opti.Tax to create dynamic procedural documentation

Software that provides you with active support

Create an AI-supported process chain

An easy way to get started with your first workflow: use the AI assistant to generate a template that you can customise – or start from scratch and begin writing straight away. To use the AI assistant, all you need is a paid ChatGPT key. Everything else is already integrated into Opti.Tax.

Apply the generated process chain with a single click

Once the AI assistant has created the process chain according to your specifications, you can import it into your project with a single click. You can then edit and customise every detail of the process chain.

Assign responsibilities and view them as swimlanes

Assign responsible persons to the individual process steps. When you regenerate the BPMN diagram, the processes will be displayed as swimlanes in accordance with your assignments.

5

Reasons for maintaining up-to-date procedural documentation

Practical example: Law firm and client

Collaborative documentation without media breaks

Flowchart of a typical use case: the user retrieves data and documents from the client via an interview. The client’s employee answers the interview and retrieves a required invoice from an external service provider. The service provider can conveniently transmit this via the cloud. The client’s employee sends all the information together via the cloud to the Opti.Tax user. This person can submit the procedural documentation to the tax authorities at any time upon request.

The software’s extensive help features were a great help to me. Even if you get stuck at some point, there are ways to find help. The tutorial videos alone make you feel much better prepared, especially if you’re not from that field.

Annabell Wermter
Consultant, di-Tra Consulting GmbH

Annabell Wermter uses the Opti.Tax process documentation software

The software solution for GoBD-compliant procedural and process documentation

Why process documentation with Opti.Tax makes all the difference

With the Opti.Tax process documentation software and hsp’s outstanding service, you gain access to a wealth of features and support to help you create comprehensive, legally compliant and up-to-date documentation, step by step.

  • Comprehensive onboarding, including training
  • Help videos with practical tips within the software
  • Create, maintain, validate and submit using a single solution
  • Assigning tasks, setting deadlines, retrieving data, exchanging messages – all digitally and seamlessly across different platforms

  • Hundreds of templates for a wide range of sectors
  • maximum flexibility through simultaneous graphical and textual visualisation

  • outstanding German customer support

Developed for you in Hamburg

Why so many professionals put their trust in hsp

Julian Rodewald is our support team leader

Excellent support

A software solution is only as good as the support that comes with it, particularly when it comes to specialist software. That is why we offer you:

  • Comprehensive onboarding with a personal appointment for you or your staff
  • Personal assistance from our support team led by Julian Rodewald
  • A comprehensive help centre with countless technical questions and answers about the software

ADKL: Tax advisers Lisa Hägele and Tobias Polka use the Opti.Tax software

Unrivalled practical relevance

Only experts know what professionals like you really need. That is why we work with leading law firms:

  • Experts in the field support our software development
  • Strong partners: ADKL, Energiesozietät, Schröder & Partner, Clostermann & Jasper, and others.

  • New features are regularly implemented in response to customer requests

Two software developers from hsp at their workstations

Made in Germany

Our development, testing and support teams are based in Hamburg. Our servers are located in Munich. There are good reasons for this:

  • All data is processed in accordance with strict EU legislation and the GDPR

  • You need to be able to rely on software and support – and that’s only possible locally
  • We need to be just as familiar with German laws and regulations as you are

Free of charge and with no obligation

Book a consultation now

Let’s work together to find out how you can successfully use Opti.Tax for procedural documentation in your specific case.

  • in person

  • free of charge

  • in detail

Book your no-obligation consultation now and find out more about Opti.Tax:

Packshot of the Opti.Tax software documentation

Can't find a suitable date, or is the calendar not working?

Free of charge and with no obligation

Book a consultation now

Let’s work together to find out how you can successfully use Opti.Tax for procedural documentation in your specific case.

  • in person

  • free of charge

  • in detail

Book your no-obligation consultation now and find out more about Opti.Tax:

Packshot of the Opti.Tax software documentation

Can't find a suitable date, or is the calendar not working?

More on the subject of process documentation

FAQ – Frequently Asked Questions

Frequently Asked Questions about the Opti.Tax procedural documentation software

Opti.Tax is a powerful tool for creating and maintaining procedural documentation. We have answered some of the most frequently asked questions about it for you.

Procedural documentation sets out how tax-relevant data is recorded, processed, stored and archived within a company – particularly with regard to the GoBD requirements set by the tax authorities.

In principle, every business that processes tax-relevant data electronically is obliged to do so under the GoBD – regardless of its size or sector. This also applies to freelancers and the self-employed.

A complete set of procedural documentation typically includes:

  • General description of the company

  • Overview of IT systems and software

  • Description of data flows

  • Responsibilities

  • Internal control system (ICS)

  • Archiving and backup processes

During tax audits, the absence of such documentation may be regarded as a procedural irregularity, which could result in additional tax assessments or even penalties. It is therefore essential to maintain comprehensive procedural documentation.

With hsp’s software solution, businesses and tax advisers can create process documentation that is GoBD-compliant, efficient and structured – including templates.

The GoBD refers to ‘historisation’ and ‘revision’. It is therefore recommended that records be reviewed and updated annually – particularly in the event of a change of system, process changes or organisational changes within the company.

Yes, even small businesses and sole traders are required to document their processes, provided that tax-related data is processed digitally.

The retention period is usually 10 years, in line with the statutory retention period for tax-related documents.

Yes, many tax advisers offer the creation and maintenance of procedural documentation as a service – often in conjunction with a suitable software solution such as that provided by hsp.

Digital solutions enable:

  • faster updates,

  • greater traceability,

  • automated system analyses,

  • and greater reliability in tax audits.

Procedural documentation improves the transparency of internal processes, identifies weaknesses and promotes the optimisation of workflows. It therefore also serves the purpose of internal quality assurance.

It provides a structured overview of existing systems, interfaces and processes – a valuable basis for digitalisation strategies and IT projects.

By documenting critical processes, organisations can better identify and assess risks and mitigate them through appropriate controls – for example, in the event of data loss or system failures.

Yes, it helps to highlight redundant or inefficient workflows. Optimised processes save time and resources – particularly where accounting, IT and management accounting intersect.

Up-to-date procedural documentation demonstrates professionalism and a structured internal control system – which builds trust amongst banks, investors and potential partners.

If you have any further questions, please do not hesitate to get in touch. We look forward to hearing from you.

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About hsp – Software innovation made in Germany

We eliminate media breaks for you

Since 1991, hsp Handels-Software-Partner GmbH has been developing professional software solutions for tax consultancy and audit firms, as well as for businesses.

Our taxonomy software Opti.Tax has established itself amongst discerning professionals in the DACH region as the reliable, high-performance and long-term solution for electronic invoicing. The digital tools for legally required, GoBD-compliant documentation are particularly popular.

Practical relevance, up-to-date content and genuine service

Our software modules are developed in close collaboration with experienced partner firms such as Energiesozietät GmbH for internal control systems (IKS), ADKL Abels Decker Kuhfuß & Partner mbB for transfer pricing, and Schröder & Partner for the digital pension file. In this way, we ensure that the features in Opti.Tax are tailored to the real-world challenges of day-to-day professional practice.

Regular updates ensure that changes to legislation and new requirements are incorporated into the software in a timely manner. In addition, we support you with a comprehensive range of service and support offerings, e-learning courses, access to the hsp Community, our weekly live broadcast „hsp live at 11“ and much more.