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Expanding the portfolio with requirements and traceability management

Lübeck, October 1, 2025 – PeakAvenue, a provider of software solutions for engineering and quality management, has acquired OSSENO Software GmbH (“OSSENO”). With this transaction, PeakAvenue is expanding its product portfolio in requirements and traceability management and continues its buy-and-build strategy supported by Main Capital Partners.

Founded in 2014 and headquartered in Kaiserslautern, Germany, OSSENO specializes in solutions for requirements management. Its main product, reqSuite® rm, helps organizations efficiently capture, structure, and validate requirements throughout all phases of the product development process. The solution enables collaborative workflows, leverages predefined templates, and provides intelligent automation to increase quality and reduce documentation effort. Reference customers include Fraunhofer, Duravit, Hörmann, and infoteam.

By integrating OSSENO's reqSuite® rm, PeakAvenue closes a gap in its existing solution portfolio. The combined offering results in a comprehensive engineering and quality management platform covering all relevant processes – from engineering and design to quality and safety – across the entire product lifecycle (“Digital Thread”).

OSSENO has a strong international presence in more than 15 countries and serves over 100 customers worldwide. Together, PeakAvenue and OSSENO employ more than 200 people across sites in Germany, the USA, and the UK, supporting over 4,000 customers globally.

Statements

• Dr. Sebastian Adam, CEO of OSSENO:
  “The merger with PeakAvenue is a great opportunity to accelerate our growth and further increase value for our customers. By combining our expertise in requirements management with PeakAvenue’s comprehensive platform for engineering and quality management, we can deliver a truly end-to-end solution.”
• Ulrich Mangold, CEO of PeakAvenue:
  “The acquisition of OSSENO marks a strategic milestone. By combining OSSENO’s expertise in requirements and traceability management with PeakAvenue’s strengths, we create a more comprehensive solution that supports customers across the entire product lifecycle.”
• Dorian Berndt, Investment Director at Main Capital Partners:
  “The addition of OSSENO strengthens PeakAvenue’s product portfolio and underlines its international growth ambitions. This transaction lays the foundation for building a leading integrated software group in the engineering and quality management domain.”

About OSSENO

https://www.reqsuite.io/

Founded in 2014 and headquartered in Kaiserslautern, Germany, OSSENO delivers advanced requirements management solutions designed for complex software and engineering projects. Their flagship solution, reqSuite® rm, supports collaborative workflows, templates, and automation to improve quality and reduce effort in requirement documentation. The software from OSSENO is highly configurable without unnecessary complexity; integration is easy due to the open web-architecture. OSSENO serves more than 100 customers in +15 countries, including customer references such as Hörmann, Duravit, Fraunhofer and infoteam.

About PeakAvenue

https://www.peakavenue.com/

PeakAvenue is a dynamic and innovative international provider of software solutions specializing on engineering and quality management. With a focus on setting new benchmarks across the product life cycle, the company empowers organizations to work smarter and more efficiently in an increasingly complex environment. Through the strategic integration of best-in-class companies in the domains of RAMS (Reliability, Availability, Maintainability & Safety), Risk Management, FMEA and Quality Management Systems (QMS), PeakAvenue delivers a unified, user experience–optimized platform that supports the entire digital thread. This modular integration acts as a cohesive force, seamlessly aligning and enhancing customer workflows. With over 30 years of industry expertise, PeakAvenue serves a global customer base exceeding 4,000 organizations.

About Main Capital Partners

Main Capital Partners is a leading software investor in the Benelux, DACH, France, the Nordics, and the United States with approximately EUR 6.5 billion in Assets under Management. Main has over 20 years of experience in strengthening software companies and works closely with the management teams in its portfolio as a strategic partner to achieve profitable growth and larger outstanding software groups. As a leading software investor managing private equity funds active in Northwestern Europe and North America, Main has +90 employees operating out of its offices in The Hague, Düsseldorf, Stockholm, Antwerp, Paris, and an affiliated office in Boston. Main maintains an active portfolio of over 55 software companies. The underlying portfolio employs over 15,000 employees. Through its Main Social Institute, Main supports students with grants and scholarships to study IT and Computer Science at Technical Universities and Universities of Applied Sciences.

September 2025 - Isograph are pleased to announce the release of Reliability Workbench 16.0.

Reliability Workbench

1. Users may now select a show page navigator option in application options (preferences tab). If selected users can page down using a new symbol shown alongside gates in the diagram (with the page flag set).
2. Users may now opt to clear the add mode automatically when editing diagrams and adding an object. The option is in the Application Options dialog (preferences tab).
3. The RBD to Fault Tree conversion facility now removes cascading OR gates to provide a more compact fault tree structure. Repeated gates or events underneath the same gate are also removed.
4. A LATENT failure model has been added to the failure model list (FT and RBD analysis) Latent models require a failure rate and test interval to be defined. They calculate the mean unavailability for two or three dependent latent events. For two latent events: Model assumes that a repair is performed at if both components fail or the test interval is reached. For three failures a repair is performed if three components fail or the test interval is reached.
5. There is now a project option to enable users to choose ‘Route 2H’ to be applied when determining IEC61508 HFT values. A validation warning is also given if the user chooses Route 2H for a type B failure model with coverage < 60%.
6. Users may now choose between staggered or non-staggered testing for the ‘Alpha’ CCF failure model.
7. Non-operating temperatures (Siemens standard) may now be modified globally using the Special Functions menu.
8. A clear add mode toolbar option has been added to the FMECA module for diagram editing.
9. Apportioned modes may now be assigned to the selected block rather than creating a new child block. A new check box has been added to the apportionment selection dialog to facilitate this.
10. RBD model verification now identifies the input and output objects that violate the requirement to have a single input and output for each page.
11. The Maximum Likelihood Estimate method has been added to the WeibullSet options.
12. Confidence contour plots and confidence bounds methods have now been added to the Weibull module.
13. The EPRD 2024 parts library has now been added.
14. Chinese and other double-length character languages now have their descriptions recorded correctly in the user parts and user part groups tables of the parts library after import.

Reporting

1. Find Next and Find Previous menu buttons have been added to the print preview toolbars to allow users to search for text in text column reports. The report must be in print preview mode to be searched.

Expertise and market share as a booster for future technology offensive

PeakAvenue GmbH announces the acquisition of the renowned software company APIS Informationstechnologien GmbH. With this strategic move, PeakAvenue further expands its market position for end-to-end engineering and quality management systems and extends the portfolio of the PeakAvenue software family.

APIS, based in Wörth, Germany, is one of the world's leading FMEA software providers with an established customer base and highly specialized know-how. In the future, APIS solutions will be an integral part of the PeakAvenue product family e1ns, Quality Center and Isograph.

The expertise, industry knowledge and market feedback of the APIS team will be specifically incorporated into the ongoing development of the PeakAvenue platform. The aim is to further strengthen FMEA within the "Digital Thread" and thus offer customers an even more comprehensive solution for the entire product life cycle in the long term.

Ulrich Mangold, CEO at PeakAvenue, emphasizes:

“We are thrilled to announce the acquisition of APIS, a renowned provider of world-class FMEA software. This strategic addition marks a significant milestone in enhancing the PeakAvenue platform. By integrating APIS’s leading FMEA capabilities into our cloud-based solution, we will significantly elevate the value delivered to our customers. The integration will enable seamlessly connected quality loops, access to intelligent AI-driven solutions, and audit-proof data storage—further strengthening our commitment to smarter, more integrated engineering and quality management.”

Peter Rosenbeck and Julia Dietz, Co-CEOs of APIS, comment:

“The sale of APIS to PeakAvenue represents a significant step in our company's history. We are delighted that our company and our solutions will now continue in such a forward-looking and innovative environment. We are convinced that APIS will benefit enormously from being part of this new, global force - and that together we will set new standards in the world of engineering and quality management. This partnership will create real value for our employees, customers and the industry as a whole.”

Dorian Berndt, Investment Director at Main Capital Partners, concludes:

“Managing the ever-growing complexity in product development and quality management processes has been the focus of PeakAvenue’s buy-and-build strategy. We see FMEA software as key to operate safety critical functions reliably, reducing the risk of accidents and system failures. The acquisition of APIS will significantly strengthen PeakAvenue in its quest to become a global leader in engineering & quality management software.”

About PeakAvenue

PeakAvenue is a dynamic and innovative international provider of software solutions specializing on engineering and quality management. With a focus on setting new benchmarks across the product life cycle, the company empowers organizations to work smarter and more efficiently in an increasingly complex environment. Through the strategic integration of best-in-class companies in the domains of RAMS (Reliability, Availability, Maintainability & Safety), Risk Management, and Quality Management Systems (QMS), PeakAvenue delivers a unified, user experience–optimized platform that supports the entire digital thread. This modular integration acts as a cohesive force, seamlessly aligning and enhancing customer workflows. With over 30 years of industry expertise, PeakAvenue serves a global customer base exceeding 2,500 organizations.

About APIS

https://www.apis.de/

Established in 1988, APIS is a market leading software provider in the FMEA software space. With around 53 employees across three subsidiaries in Germany, USA and China, APIS provides functional safety analysis, FMEA, FTA and design review by failure mode applications. APIS’ software is used by over 1,500 companies worldwide with customers from various engineering verticals such as transportation, telecommunications, electronics and automotive.

About Main Capital Partners

https://main.nl/

Main Capital Partners is a leading software investor in the Benelux, DACH, France, the Nordics, and the United States with approximately EUR 6 billion in Assets under Management. Main has over 20 years of experience in strengthening software companies and works closely with the management teams in its portfolio as a strategic partner to achieve profitable growth and larger outstanding software groups. As a leading software investor managing private equity funds active in Northwestern Europe and North America, Main has 90 employees operating out of its offices in The Hague, Düsseldorf, Stockholm, Antwerp, Paris, and an affiliated office in Boston. Main maintains an active portfolio of over 45 software companies. The underlying portfolio employs over 12,000 employees. Through its Main Social Institute, Main supports students with grants and scholarships to study IT and Computer Science at Technical Universities and Universities of Applied Sciences.

October 2024 - Isograph are pleased to announce the release of Data Link Manager 3.0.1

• Users may now link Isograph’s Reliability Workbench, Availability Workbench and AttackTree to PeakAvenue e1ns.

July 2024 - Isograph are pleased to announce the release of Reliability Workbench 15.0.2.5

1. Excel spreadsheet import has been speeded up dramatically for workbooks with large shared string tables.
2. Two new functions have been added to the SSA Special functions menu: Generate situations and generate failures. The generate situations dialog allows users to select combinations of situations to be created underneath a situation type. The generate failures dialog then allows users to quickly create groups of failures under a function using guidewords and situation combinations.
3. Guidewords and guideword types have been added to the SSA module.
4. Check is now done for out of specification stress values for Siemens Relays and switches.
5. IEC61709 Table 26 and Siemens-12 PI_L calculation modified.
6. Situation types have been added to the SSA module.
7. PI_S has been added for relays to accommodate inclusion of this pi factor in 61709.
8. Prediction users may now set a 62380 26262 prediction preference in project options. When this option is set IC calculations will weight the number of elements for each IC according to the total number of elements under the parent block.
9. Help files provide better explanation of disjoint event groups work in conjunction with NOT logic.
10. The number of FMECA Action priority values are now counted for each category (High, Medium, Low). AP counts are produced at system and block level. Note that block quantities are not applied for AP counts as the method is designed to indicate the number of lower level failure modes that need to be addressed. System AP counts may be viewed in the FMECA results dialog. Block counts may be viewed in the grid control.
11. FMECA MSR monitoring rankings are now a separate field to process design detection rankings. The appropriate ranking is now displayed when switching to and from MSR preference in project options.
12. Users may now set a custom action priority matrix in the FMECA module by setting the ‘Use custom action priority matrix’ project option. The custom matrix may then be set from the Analysis, Action Priority Matrix menu. The matrix will be set for MSR calculations if the MSR preference is selected.
13. When the MSR preference option is selected occurrence labels are now replaced with frequency.
14. FMECA MSR frequency(occurrence) rankings are now a separate field to process design occurrence rankings. The appropriate ranking is now displayed when switching to and from MSR preference in project options.

We are excited to announce that Isograph is joining PeakAvenue, a portfolio company of Main Capital Partners.

With its RAMS software, Isograph is a logical expansion of PeakAvenue’s platform, and strengthens the software suite by adding Fault Tree Analysis and Functional Safety functionalities. The combination leverages Isograph's proficiency in functional safety and security analysis and adds another component to PeakAvenue’s goal to offer an unbeatable, highly integrated and web-based software suite along the entire “Digital Thread” – from idea to product over the entire product lifecycle. Both companies cater to similar clients.

The combined group employs an exceptional team of around 155 employees dedicated to supporting the ongoing development and support of the world’s leading quality and safety software products.

Richard Pullen, CTO and Co-Founder of Isograph, comments: “We are excited to join forces with PeakAvenue and contribute our extensive experience in Functional Safety and Security analysis. Together, we aim to create unparalleled solutions that meet the evolving needs of our clients and accelerate the web-development of our software.”

Stephen Flanagan, CEO and Co-Founder of Isograph, comments: “We are very pleased to be joining the PeakAvenue group. Our software products are complementary to each other, and that combination will provide a powerful set of solutions for quality, system safety, reliability and asset performance practitioners.”

About PeakAvenue
PeakAvenue is a dynamic and innovative international software solutions company for engineering and quality management. It was founded in 2022 through the merger of two well-known German companies PLATO GmbH and iqs Software GmbH. PeakAvenue offers a comprehensive suite of high-quality tools and services, tailored to meet diverse industry needs, fostering continuous improvement and excellence in the global market. Thanks to the many years of experience of the founding companies, PeakAvenue focuses on providing state-of-the-art software solutions for product lifecycle management, risk analysis, and requirements engineering, empowering businesses to enhance product development efficiency and compliance. In addition, PeakAvenue is a leading provider of quality management software (Computer Aided Quality, CAQ), helping organizations streamline their quality control processes, achieve regulatory compliance, and elevate overall product quality. PeakAvenue stands for trend-setting solutions that guide engineers, manufacturers, and suppliers along the Digital Thread.

Availability Workbench 5.0.0.2 released

March 2024 - Isograph are pleased to announce the release of Availability Workbench 5.0.0.2.

• The stress factor for an ALT set may now be exported or included in reports.
• Microsoft Edge may now be used for help display in Windows 11.
• Users are now prohibited from choosing a fixed failure distribution with an ‘as good as old’ corrective maintenance condition. This lead to an infinite closed loop in the simulation process.
• Ellipse downloads now handle spares downloads if the spare type table is missing from the Ellipse database.
• Starting up AWB using url now allows objects such as consequences, RCM location hierarchy elements and weibull sets to be located.
• Failure model parameters are now no longer shown in diagrams for system blocks.
• Excel spreadsheet import has been speeded up dramatically for workbooks with large shared string tables.

January 2024 - Isograph are pleased to announce the release of AttackTree 5.0.2

1. Indicators may now be assigned an initiator flag. Primary events that are assigned an initiator
indicator will be automatically flagged as an indicator primary event.

2. A new view option has been added to allow users to view the maximum cut set probability for a
gate as a preference.

3. AttackTree now caters for negative likelihood levels assigned to indicator options.

4. The maximum number of indicator types has been increased from 8 to 10.

5. The F3532-22 aircraft standard has been added to the standard templates.

6. The HEAVENS template settings have been changed so that Low Consequence weights match V2 of the
standard. (10 rather than 20 for the first two consequence categories and 1 rather than 2 for the
next 2 categories).

7. The mouse wheel may now be used with AttackTree diagrams to zoom (ctrl key) or shift left to
right (shift key).

8. Drag and drop indicator to a primary event in an attack tree now changes the likelihood
displayed if appropriate. Previously this was only done after a calculation or when using the edit
dialog.

9. Standard templates now set indicator values to zero.

10. Move up and Move down options now retains the previous selection for Likelihoods, Risk levels
and Indicator options.

11. Cut set and path set likelihood levels are now displayed in the result dialog (in brackets with
indicator values) if the ‘Treat cut sets as independent’ option is selected. They may also be
displayed in gate and path cut set reports. Likelihood levels are now displayed in the indicator
tab of the primary event properties dialog.

12. Users may now drag and drop likelihoods and indicator options from the project tree onto
AttackTree diagram primary events.
13. The CAPEC library has been updated to version 3.9.

14. Multiline text fields may now be exported to csv files (Excel).
15. Microsoft Edge may now be used for help display in Windows 11.

October 2023 - Isograph are pleased to announce the release of Data Link Manager 3.0

1. Users may now link to Availability Workbench as well as AttackTree and Reliability Workbench.
2. The Application Object dialog now displays the status, URL and any messages associated with the application object. The URL display text has also been converted to a hyperlink.
3. The status of application objects may now be viewed in a diagram as well as the grid control. Diagrams allow for an easier comparison of linked objects and the consistency of data
4. The status of links is now set when application objects are updated.
5. Client-side project differencing may now be applied by selecting the appropriate option on the Tools menu.

October 2023 - Isograph are pleased to announce the release of Hazop+ 7.0.1

1. HTML5 based help has been implemented.
2. Support for high DPI displays has been implemented.
3. More informative messages are displayed when a drawing image file is not selected, fails to display or cannot be found.
4. The speed of browsing through large numbers of actions has been significantly increased.
5. A user setting has been introduced that allows study column widths that are less than the default width to be saved between node selections.