Public Sector Software.
Built for Europe.

We build a leading platform of highly specialised software companies serving the Public Sector, creating additional value through deep expertise in Cyber Security and GRC. Our focus spans Mobility, Energy, and Public Safety. As part of CHAPTERS Group AG , we provide a long-term entrepreneurial home for management teams and employees to drive innovation and deliver sustainable value for their customers.

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6

Portfolio companies

320+

Employees

13

European countries

100M+

European citizens served

98%+

Customer retention

BENEFITS FOR YOUR COMPANY

Voices of our operating leaders

These leaders offer their perspectives on growth, innovation, and the changes happening within their organizations.

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What we are looking for

Highly specialized software companies

In the Public Sector, especially in Mobility, Energy, Public Safety, and Cyber Security.

Profitable
and growing

Your company is run profitable and is growing.

40% or more
recurring revenue

At least 40% of your revenues are recurring. Either maintenance, support or SaaS fees.

A loyal customer base

Your customers are long-standing and loyal.

Team

We are led by a team of seasoned investment professionals, entrepreneurs, and software experts.

andreas-philippi-image
Andreas Philippi
Co-Founder and CEO
Christian Auth image
Christian Auth
CFO
Timm Overmans imge
Timm Overmans
M&A
kai-frenzel-image
Kai Frenzel
Portfolio
Dominik Seng
Value Creation
team picture of altamount posing indoors wearing white T-shirts with a logo, standing and kneeling in front of glass doors.
Eight professionals standing in front of a blue SOMENTEC banner that reads 'Vom Service bis zum System,' smiling at the camera at a business event.
Large group of smiling people indoors giving thumbs up in front of a screen.

Ready to take the next leap in your career?

We are constantly looking for talent to join one of our portfolio companies in roles ranging from Head of Transformation to COO, CPTO, CFO or even CEO. If you are a senior leader with experience in (public sector) software, please reach out!

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We are part of and backed by CHAPTERS Group

CHAPTERS Group is a publicly traded holding company that invests in small to mid-sized businesses through long-term entrepreneurial investments. Chapters Group is supporting Altamount through its permanent capital base fueling growth and supporting our vision

Key shareholders of CHAPTERS Group

Mitch Rales

Co-Founder Danaher & Co-Owner Washington Commanders

Daniel Ek

Co-Founder Spotify & Co-Owner Stravaigin Family office

MIT

Massachusetts Institute of Technology

Rick Buhrman, Paul Buser & Greg Dugard

Co-Founders Sator Grove

Will Thorndyke

Co-Founder Sun Mountain Partners and Author of “The Outsiders”

In October 2025, our CEO Jan Mohr joined our long-standing investors from Sator Grove again in their Podcast “Joys of Compounding”

In November 2024, our CFO Marlene Carl gave an interview on the podcast “Smart Investing” (in German only)

In November 2023, our CEO Jan Mohr joined our long-standing investors from Sator Grove in their Podcast “Art of Investing”

CHAPTERS Group: CEO Jan-Hendrik Mohr presents at Redeye Serial Acquirers Conference 2025

Reach out to us to learn more!
Contact us