COI Partners

COI Partners is a private equity firm based in Zurich, Switzerland, with additional offices in Frankfurt am Main and Berlin. Established in 2000, the firm specializes in investing in mid-sized growth companies within German-speaking countries, specifically targeting those ranked among the top three in their respective markets. COI Partners looks for businesses with proven models, positive unit economics, and revenues exceeding EUR 10 million, while focusing on sectors such as health, e-commerce, SaaS, advanced materials, and automation. The firm typically invests equity tickets between EUR 15 million and 25 million, including follow-on investments. With over 50 equity investments under its belt, COI Partners currently manages 11 active investments and benefits from a professional investment team and a robust network of entrepreneurial shareholders who participate in its investment activities. Notable past investments include Mister Spex, Fixatti, Euroimmun, and Casualfood.

Jan Claußen

Investment Director

Christopher Wehmeier

Investment Associate

28 past transactions

Grover

Series C in 2022
Grover is an online platform that allows consumers to rent a wide variety of tech products through monthly subscriptions. With a catalog of over 3,000 items, Grover offers access to smartphones, laptops, VR gear, wearables, and smart home appliances. The company's business model emphasizes sustainability by refurbishing and re-circulating returned products, thereby extending their lifespan and minimizing electronic waste. By enabling users to rent instead of purchase, Grover provides an affordable alternative for accessing consumer electronics. The company operates in multiple markets, including the United States, Germany, Austria, the Netherlands, and Spain.

Grover

Series C in 2022
Grover is an online platform that allows consumers to rent a wide variety of tech products through monthly subscriptions. With a catalog of over 3,000 items, Grover offers access to smartphones, laptops, VR gear, wearables, and smart home appliances. The company's business model emphasizes sustainability by refurbishing and re-circulating returned products, thereby extending their lifespan and minimizing electronic waste. By enabling users to rent instead of purchase, Grover provides an affordable alternative for accessing consumer electronics. The company operates in multiple markets, including the United States, Germany, Austria, the Netherlands, and Spain.

Freaks 4U Gaming

Series A in 2021
Freaks 4U is a comprehensive marketing and communications agency that specializes in the gaming and esports sectors. The company offers a variety of services, including brand and marketing consulting, social media and community management, editorial services, event management, logistics, creative services, and media production. By focusing on the unique needs of the gaming community, Freaks 4U aids clients in executing integrated marketing campaigns designed to effectively reach and engage their target audiences.

Keller Sports

Venture Round in 2020
Keller Sports is operates as an online merchant for sports equipment in Europe. The company provides tennis clothes, shoes, rackets, bags, strings, and balls; running clothes, shoes, and accessories; and fitness and training products, including clothes, shoes, trainers, and equipment for men, women, and kids. It also sells nutrition products, such as gels, drinks, and energy bars; and running belts and backpacks, bags, water bottles, accessories, dumbbells and free weights, Yoga mats, and heart rate monitors/GPS.

Mister Spex

Private Equity Round in 2020
Mister Spex, established in 2007 and headquartered in Berlin, Germany, is a leading online eyewear retailer in Europe. The company offers a wide range of over 5000 products, including prescription glasses, sunglasses, sports eyewear, and contact lenses from renowned brands like Adidas, Gucci, and Acuvue. Customers can also access eye examination services. Mister Spex operates both online and through a network of retail stores in Germany, and has expanded its reach to several other European countries.

TSE Systems

Private Equity Round in 2019
TSE Systems GmbH is a manufacturer of advanced analysis and measurement systems tailored for preclinical research within the pharmaceutical industry. The company offers a diverse range of products, including conditioning and response systems, home cage systems, sensors, and tracking devices designed for behavioral applications. Additionally, TSE Systems provides inhalation systems, metabolic monitoring tools, and software solutions for analyzing behavior, tissues, and physiological metrics. With a focus on modular designs, the company aims to deliver integrated hardware and software platforms that support neuroscience, phenotyping, drug screening, and toxicology research. Established in 1886 and headquartered in Bad Homburg, Germany, TSE Systems also maintains an office in Chesterfield, Missouri, enhancing its global service capabilities.

TTTech

Venture Round in 2019
TTTech is a prominent provider of safe networked computing platforms that facilitate advancements in the Internet of Things and autonomous mobility. With over 20 years of technological expertise, TTTech's solutions are utilized in sectors such as mobile machinery, aerospace, smart manufacturing, and automation. The company employs approximately 2,300 individuals across 14 countries, ensuring global proximity to its customers and partners. TTTech is renowned for pioneering Deterministic Ethernet and contributing significantly to the IEEE TSN standard and SAE Time-Triggered Ethernet standard. These deterministic networking standards enable highly integrated, safe, and efficient software platforms, making TTTech a trusted partner for many leading market players.

Keller Sports

Venture Round in 2017
Keller Sports is operates as an online merchant for sports equipment in Europe. The company provides tennis clothes, shoes, rackets, bags, strings, and balls; running clothes, shoes, and accessories; and fitness and training products, including clothes, shoes, trainers, and equipment for men, women, and kids. It also sells nutrition products, such as gels, drinks, and energy bars; and running belts and backpacks, bags, water bottles, accessories, dumbbells and free weights, Yoga mats, and heart rate monitors/GPS.

Kohler Transfer

Private Equity Round in 2017
Köhler-Transfer is a leading provider of transportation services for individuals with disabilities in Germany, operating across three federal states. With a workforce of over 2,100 employees and a fleet of approximately 1,500 vehicles, the company aims to enhance the mobility of people with physical and mental challenges by offering door-to-door transport to schools and workshops. Köhler-Transfer establishes long-term contracts with various organizations, including sheltered workshops and public bodies, focusing on the integration of disabled individuals into daily life. The company's operational efficiency is bolstered by its proprietary route planning software, which optimizes cost and capacity utilization. The vehicles in its fleet adhere to stringent standards, ensuring compliance with current regulations, which is essential for public tenders. The dedicated and trained staff play a crucial role in building strong relationships with passengers, enriching the overall service experience and facilitating meaningful interactions.

Nextbike

Venture Round in 2015
nextbike GmbH is a leading provider of bike rental services, operating in over 200 cities worldwide, including major urban areas such as Berlin, Warsaw, and Glasgow. Founded in 2004 and headquartered in Leipzig, Germany, the company has developed a sustainable bike-sharing system that integrates with public transport, making cycling a natural part of urban mobility. Users can rent bikes through various platforms, including the nextbike website, mobile app, terminals, and hotlines. The company's business model relies on partnerships with cities, public transport providers, universities, and consumer brands, promoting eco-friendly travel and zero emissions. nextbike offers a range of tariffs tailored to different user needs, ensuring affordable and sustainable transportation options for casual riders, frequent users, and cycling enthusiasts.

Tranquini

Private Equity Round in 2015
Tranquini GmbH, founded in 2014 and based in Vienna, Austria, specializes in producing relaxation beverages designed to alleviate stress, reduce anxiety, and enhance focus. The company offers a variety of products, including Tranquini sparkling drinks with flavors such as mixed berries, green tea, ginger lemongrass, hibiscus, and hops malted barley, as well as Tranquini still drinks and Tranquini water+juice in flavors like lemon mint and passion fruit. The beverages are formulated with ingredients like theanine, a green tea extract known for its calming effects, alongside other natural herb extracts. Tranquini aims to promote positive relaxation and well-being through its offerings, encouraging consumers to embrace a more serene lifestyle.

coa

Private Equity Round in 2014
Coa Holding GmbH, founded in 2005 by brothers Constantin and Alexander von Bienenstamm, is a fast-casual restaurant chain based in Frankfurt, Germany, specializing in Asian cuisine. The founders, influenced by their upbringing in Asia, sought to create a lifestyle-oriented dining experience that prioritizes fresher and healthier food options, setting themselves apart from traditional fast-food establishments. As of 2014, Coa operates seven company-owned restaurants located in Frankfurt, Mannheim, and Stuttgart, alongside two franchise locations in Berlin and Prague. A distinctive feature of the restaurants is the live kitchen concept, allowing guests to observe the preparation of their meals, ensuring transparency regarding ingredient freshness. Since late 2014, a co-investor has supported the company's growth and expansion by providing expertise and capital.

Kofler & Kompanie

Private Equity Round in 2013
Kofler & Kompanie, founded in 1991, is a provider of premium catering services, managing exclusive event locations, restaurants, and cafes primarily in Germany. Renowned for its award-winning innovativeness and commitment to high-quality standards, the company also specializes in top-tier airport lounges and sports hospitality, operating in major German cities and London. With a focus on transforming traditional catering into a unique "food experience", Kofler & Kompanie hosts temporary culinary events like "Pret A Diner" in stylish urban settings, featuring renowned chefs. Recognized as "caterer of the year" in 2011, the company continues to receive accolades for its exceptional service, including the 2012 Food Service Award from Leaders Club International.

Schaetti

Private Equity Round in 2013
Schaetti AG specializes in the development, manufacturing, and sale of polymers, focusing on thermoplastic hot-melt adhesive powders and metal coatings. Established in 1957 and headquartered in Wallisellen, Switzerland, the company leverages over 55 years of expertise and a skilled team of chemists and process engineers to provide tailored solutions across various industries, including apparel, automotive, civil engineering, and textiles. Schaetti's extensive product portfolio includes co-polyamide, polyurethane, co-polyester, and other specialized polymers, catering to diverse customer needs. The company serves a global clientele through a network of representatives and has production facilities in Germany and China. Since expanding its value chain in 2009, Schaetti has pursued continuous growth through regional diversification and the exploration of new market segments.

Casualfood

Private Equity Round in 2012
casualfood GmbH, founded in 2005 and headquartered in Frankfurt am Main, Germany, operates in the fast food and travel catering sector. The company specializes in providing prepared-to-go food options at high-traffic locations, particularly airports, where it has established a strong presence. Its offerings include a variety of sandwiches, salads, muesli, and smoothies, catering to the needs of travelers. casualfood gained recognition for its innovative mobile sales units, first deployed at Frankfurt Airport. Over the years, the company has expanded its operations to include locations in Berlin and Düsseldorf, featuring both mobile and stationary sales areas under various concepts. With a workforce of approximately 360, casualfood aims to continue its growth by extending its reach to additional airport locations and exploring opportunities in railway stations and motorway service areas. The company has been supported by Co-Investor since 2012, benefiting from strategic guidance and capital investment.

bio.logis

Venture Round in 2011
bio.logis GmbH is a human genetics diagnostic company based in Frankfurt am Main, Germany, that specializes in genetic diagnostics and counseling services. Founded in 2008, the company focuses on diagnostic and molecular genetics, providing explanations and interpretations of laboratory results related to genetic disorders, hereditary diseases, and prenatal diagnosis. bio.logis also offers guidance on the effects of potentially toxic substances during pregnancy and postnatal life. A key component of its service is the pharma.sensor, an online tool that helps identify medications influenced by specific genes. Additionally, bio.logis Genetic Information Management (GIM) GmbH, part of the bio.logis Group since 2013, has developed a Genetic Information Management Suite (GIMS) that translates genetic data into actionable medical information for physicians and patients. This innovative software automates the interpretation and reporting of genetic data, facilitating informed clinical decision-making at the point of care.

Cool Chain Group

Private Equity Round in 2010
Cool Chain Group provides temperature-controlled and tailor-made logistics solutions. They also provide transportation, logistics, supply chain, direct transport, part loads, and storage services.

SECUDE

Private Equity Round in 2009
SECUDE is a global leader in providing innovative IT security software solutions and consulting services tailored for enterprises and governmental organizations. The company specializes in data protection software designed to help businesses secure sensitive information and ensure compliance with legal regulations. In addition to cloud security, SECUDE offers services in identity and access management, along with system security audits, aimed at enhancing overall corporate governance and safeguarding critical data.

Phenex Pharmaceuticals

Venture Round in 2009
Phenex Pharmaceuticals AG is a drug discovery and development company founded in 2002 and headquartered in Ludwigshafen, Germany, with additional laboratories and offices in Heidelberg. The company specializes in small-molecule drug discovery, focusing on nuclear receptors to address various disease areas, including liver diseases, intestinal diseases, and cancer. Current research includes developing RORγt inverse agonists for autoimmune diseases and FXR agonists for non-alcoholic steatohepatitis. Phenex is dedicated to not only creating therapeutics for established targets but also identifying novel molecular mechanisms, which has led to the development of proprietary therapeutic small molecules. The company operates within the Biotech Cluster Rhine-Neckar, leveraging its expertise in biology and chemistry to advance innovative treatment options.

EUROIMMUN AG

Private Equity Round in 2008
EUROIMMUN AG develops and manufactures medical laboratory reagents for the diagnosis of autoimmune and infectious diseases and allergies. It offers indications for autoimmunity, infections, allergology, antigen detection, and molecular diagnostics; autoimmunity products for rheumatology, hepatology, gastroenterology, endocrinology, neurology, nephrology, dermatology, and infertility; and infection products for immunity determination, CSF diagnostics, emerging viruses, avidity, BIOCHIP Mosaics for infectious serology, and others, as well as additional reagents for determination of acute infections.

SMB SA

Private Equity Round in 2008
SMB SA specializes in metal forging and finishing solutions, focusing on both medical and industrial applications. In the medical sector, the company produces essential components such as hip and knee replacement systems, trauma products, and shoulder replacements. For industrial applications, SMB manufactures parts for special vehicles and off-road trucks, turbine blades, and components for industries such as power generation, defense, railways, aerospace, and oil and gas. Additionally, the company provides general mechanical engineering services tailored to the needs of various sectors, ensuring a diverse and comprehensive range of offerings.

Toplink

Private Equity Round in 2007
Toplink is a provider of cloud-based telecommunication services, specializing in Voice over IP (VoIP) solutions. The company was a pioneer in distributing the first cloud-based telephone systems and developed the Session Initiation Protocol (SIP) trunk as a key interface for these services. In 2010, Toplink launched "myTelco," a cloud conference service aimed at enhancing communication capabilities for businesses. The company focuses on delivering secure, efficient, and tailored telecommunication solutions, making sustainable communication accessible from the cloud to meet the diverse needs of its clients.

Occlutech

Private Equity Round in 2007
Occlutech, established in 2003, is a European company focused on developing and manufacturing cardiac occlusion devices and vascular implants. The company aims to enhance the quality of life for individuals with heart conditions by creating innovative products for structural heart and interatrial shunt treatment. Utilizing advanced technology and proprietary expertise, Occlutech has introduced a range of unique medical devices designed to improve patient outcomes in cardiac care.

Nordsee

Private Equity Round in 2006
NORDSEE Holding GmbH operates a fast-food restaurant chain specializing in seafood, offering a diverse menu that includes fresh fish dishes, fish spreads, grilled fish, salads, and a variety of snacks such as sandwiches, wraps, and sushi. The company provides its products through multiple sales channels, including its own restaurants, retail outlets, supermarkets, and delivery services. With a presence of 315 branches in Germany, 33 in Austria, and 24 across Europe and the Middle East, NORDSEE also franchises its restaurants. Founded in 1896 and based in Bremerhaven, Germany, the company focuses on delivering ready-to-eat food items, catering to customers seeking convenience without sacrificing quality.

Ice Age Ice

Private Equity Round in 2006
Ice Age Ice GmbH is a manufacturer of ice products based in Bad Vilbel, Germany. The company specializes in producing ice cubes, crushed ice, and gin ice that are designed for various applications, including food cooling and beverage preparation. Ice Age Ice serves a diverse clientele, supplying food retailers, hypermarkets, beverage chain stores, gas stations, and bulk consumers both domestically and internationally. Their products feature an optimal grain size, making them suitable for use in cocktails, decorations, and drinks, thereby enhancing the customer experience in both retail and hospitality sectors.

SYSGO

Private Equity Round in 2004
SYSGO is a prominent European provider of embedded software, specializing in real-time operating systems tailored for critical applications across various industries. Established in 1991 and headquartered in Germany, the company delivers high-quality products designed to fulfill stringent Safety and Security requirements. SYSGO's key offerings, PikeOS and ELinOS, serve as platforms for systems that must comply with industry-specific certification standards. The company caters to major global clients, including DaimlerChrysler, EADS, Raytheon, Rockwell Collins, Rohde & Schwarz, and Siemens. In addition to its headquarters, SYSGO has subsidiaries in France and the Czech Republic, along with a worldwide distribution network, enhancing its capability to serve the embedded market effectively.

Mobotix

Private Equity Round in 2004
Mobotix AG is a manufacturer of digital high-resolution and network-based video security systems, offering a wide range of products including various types of indoor and outdoor cameras, IP video door stations, and thermographic cameras. Established in 1999 and headquartered in Winnweiler, Germany, the company focuses on innovative and autonomous IP cameras, utilizing CMOS sensors to enhance performance and reliability. Mobotix cameras feature built-in software for automatic event detection, alarm messaging, and video analysis, as well as two-way audio capabilities. The company also provides a suite of software solutions, including MxManagementCenter for video management and MxAnalytics for integrated video analysis, alongside developer tools and training services. Targeting multiple sectors such as industry, retail, education, and public services, Mobotix markets its products through a network of distributors and sales partners. The company is recognized for its commitment to quality, with its cameras designed to be weatherproof and compliant with high protection standards.

Nanogate SE

Private Equity Round in 2001
Nanogate SE is a global specialist in high-tech surfaces and components, focusing on high optical quality and multifunctionality. The company provides integrated systems that enhance plastic, metal, and other surfaces with properties such as scratch resistance, chemical protection, UV shielding, and ease of cleaning. Its offerings include industrial coatings for various sectors, including automotive, aviation, and building interiors, as well as do-it-yourself systems for textile care under the feldten and Empire brands. Nanogate is involved in the development and production of innovative plastic components for medical technology and other applications, while also serving markets such as electrical engineering, construction, and security. The company operates with production facilities on both sides of the Atlantic and emphasizes a commitment to improving product functionality and environmental performance through advanced surface technologies. With a strategic collaboration in place, Nanogate continues to position itself as a key innovator in design-oriented surface solutions. The company is headquartered in Quierschied, Germany.
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