Time to celebrate, time to look back
10 years of konzepthaus!

10 years full of exciting moments, groundbreaking decisions and incredible growth have passed since the company was founded on March 5, 2015. "konzepthaus has become exactly the company I envisioned. And even more than that!" sums up founder and Managing Director Thorsten Heissel. Reason enough to invite everyone to a large PeakSpot and customer event at the main site in Sonthofen and to look back on the first decade at a lively team party: With a view to change and transformation, constants and guiding principles during the shared journey. True to the motto: "In the stream of change, the person who adapts remains strong, but never forgets what they stand for!"

We are celebrating 10 years of konzepthaus

2015 - The start of a summit journey

Offering customized software development and individual service, founding an innovative company that takes ambitious like-minded people with it - that was the business idea of founder Thorsten Heissel. The location? Sonthofen, a small town in the Allgäu Alps. With a full rucksack of professional and life experience, a Munich-based company as a partner in the management and a pioneering spirit, Thorsten inspired the first digital fans with his idea. In a small, sparsely furnished office, a handful of inquisitive digital summiteers worked with him on the first orders. Soon to join them: office dog Ria.

Quite a few employees from the early days are still part of the team and will also be celebrating their personal 10th anniversary in 2025. As did the first customer. "At one of the first Christmas parties, we were a handful of people who spent a fun evening together in Thorsten's living room. Most of them young professionals. Today, well over forty of us come together, practically filling a mountain hut. A close-knit and well-coordinated team with a lot of know-how and expertise. Being honored for my own 10-year anniversary was an overwhelming moment." (Gregor Hafner)

"We were the very first customer and were impressed by the young company's top performance right from the start. Konzepthaus developed unique, fantastic solutions for us that we still use today." (Thomas Beisman, authorized signatory for IT and accounting at GILDE - Ihr Partner für das Lebensmittelhandwerk eG)

2018 - signposts

2018 saw the first major change: Konzepthaus had established itself with its very broad range of software solutions. However, the implementation of customer requirements was often so time-consuming and therefore costly that specialization was necessary. The same applied to the development of an in-house sales department. During this time of crisis, Thorsten Heissel made the courageous decision to become independent of the Munich-based company. A new signpost also emerged: in 2018, konzepthaus became a HubSpot partner, as this system convincingly offered what they wanted to stand for: sustainable software that could be implemented efficiently. This is when Monika Wisser, then self-employed with DREIFACH Agentur für Kommunikation, met the digital summiteers from the Allgäu region. She was also enthusiastic about HubSpot and was looking for tech professionals with courage for a groundbreaking project: it was an extensive tender from one of Germany's largest market research institutes - over almost ten thousand websites in twenty languages, including personalization.

The project was a success. Thanks to the fantastic teamwork between DREIFACH and konzepthaus as well as mutual trust, the mammoth project went down in the company's history as a great success. The websites were launched after just four months!

2020 - Stages Goal

Thorsten wanted to intensify the enriching cooperation with Monika Wisser. "How do you envisage that?" asked Monika. "Like this," Thorsten replied with a PowerPoint presentation containing a comprehensive code of values. Trust, fairness, openness, agility, courage. These values had already supported the company for five years and were exactly in line with how Monika wanted to work. So she dared to give up her own agency and join konzepthaus Web Solutions as a co-partner. She integrated the inbound marketing division and with it HubSpot. With her backpack full of professional and life experience, Monika Wisser helped shape the young company from then on. A second office was opened in Hennef in 2021. More office dogs moved in and the decision was made to rely exclusively on HubSpot as the central software solution.

"I always had full confidence that Thorsten and Monika would make the right decisions and be transparent here. We now know what we are really good at and which customers suit us." (Gregor Hafner)

2024 - The summit

The success story continued apace. After focusing on HubSpot, konzepthaus grew rapidly! A handful of employees became over forty, and the initial four projects grew to around 150. Just a few years ago, konzepthaus was a newcomer and achieved the distinction of being an official HubSpot Elite Solutions Partner - once again the highest level in the Solutions Partner Program.

Time to restructure: The newly established consulting team is making the HubSpot CRM platform even more profitable for customers. The internal processes were reorganized and the marketing department was set up. For Monika, this meant going back to the roots of marketing and sales.

"When I started at konzepthaus five years ago, we approached each other loosely for agreements. That has changed: We are much more structured. I see this as a sign of increased professionalism, which the larger projects also require." (Dominik Molz)

The success story of konzepthaus is also visible from the outside. The provisional-looking premises of the early days and the subsequent open-plan office have been transformed into an ultra-modern office with a special working culture. An innovative collaboration center for ambitious digital fans, a meeting point for HubSpot professionals and an extraordinary location for customer events were created at the main location in Sonthofen at Flurstraße 1a. And thus the visible realization of what founder Thorsten Heissel had as a vision 10 years ago.

"On the customer side, too, you can feel that the company has developed tremendously and has become increasingly professional in terms of service, for example. I appreciate the exchange of experiences that the PeakSpot events make possible. The HubSpot community meets at konzepthaus!" (Thomas Beisman, authorized signatory for IT and accounting at GILDE - Ihr Partner für das Lebensmittelhandwerk eG)

"Konzepthaus has developed tremendously as a company, and each and every one of us has had a strong career. By that I don't just mean professional expertise, but also soft skills. Together we are a strong team and have been able to develop the company into what we are today." (Gregor Hafner and Dominik Molz, 10 and 5 years at konzepthaus respectively)

Future - The outlook

One mountain peak has been climbed, many more lie ahead of konzepthaus. We look forward to new challenges and exciting stages. Full of confidence in our abilities and with the vision to shape sustainable growth. This is precisely what characterizes Thorsten and Monika's attitude as entrepreneurs according to the motto: "In the stream of change, the person who adapts, but never forgets what he stands for, remains strong!" (Motto of the keynote speech by Monika Wisser and Thorsten Heissel at PeakSpot 2025)

The aim is to continue to improve on the solid foundation of the existing corporate culture and to anchor it in such a way that it can withstand any change: Increasing employee numbers, additional locations, successors in management.

Trust, fairness, openness, agility and courage are the fundamental values. They are the compass for every new stage - with our employees and with our customers.

Congratulations and celebrations on our 10th anniversary! Good luck for the next decade!