Bonaventure Capital

Bonaventure Capital, LLC is a venture capital firm established in 1998 and based in Birmingham, Alabama. The firm specializes in investments in mid-stage to emerging growth businesses across various sectors, including internet services, networking infrastructure, financial services, energy services, and manufacturing. It primarily focuses on companies located in the Southeastern United States. Bonaventure Capital typically invests between $0.5 million and $1.5 million per transaction, making minority investments in firms with revenues ranging from $3 million to $20 million and EBITDA of up to $3 million. The firm also engages in control investments in companies with revenues between $5 million and $50 million and EBITDA between $1 million and $5 million. Bonaventure Capital partners with management teams to develop strategies aimed at fostering rapid growth and achieving aligned goals.

Carter Burleson

Director

William Reiser Jr.

Founding Partner and Partner

Billy Reiser Jr.

Partner

14 past transactions

LAIIER

Seed Round in 2025
LAIIER is an innovative B2B technology company specializing in smart, connected solutions for early leak detection in commercial buildings and industrial facilities. With a foundation in advanced printed sensor technology, LAIIER's products, such as the Severn WLD™ smart tape, combine precision sensing, easy installation, and wireless communication to deliver real-time monitoring of water and hydrocarbon leaks. These solutions mitigate damage, reduce operational downtime, and enhance sustainability. Leveraging a subscription-based business model, LAIIER serves industries including commercial real estate, industrial machinery, and roofing, providing actionable insights through its proprietary cloud platform. Backed by a portfolio of patents and collaborations with leading industry partners, LAIIER is driving innovation at the intersection of IoT and sustainability, empowering businesses to prevent costly leaks while reducing their environmental footprint​​​.

Iyris

Series A in 2024
Iyris Advanced Desert Greenhouses specializes in agriculture glazing, focusing on enhancing crop production in the challenging climates of the Middle East. The company collaborates with leading glass manufacturers to offer ultra-clear glazing equipped with advanced anti-reflective and light diffusive coatings. Additionally, Iyris develops agroclimatic technologies that integrate climate control, plant science, and intelligent control systems. This approach aims to create sustainable food production in water-scarce regions, effectively reducing both the carbon and water footprints of local farming. By designing innovative agricultural technologies tailored for harsh environments, Iyris enables farmers to grow food with fewer resources, ultimately lowering costs and improving crop yields.

Mad Capital

Seed Round in 2022
Mad Capital is a financing platform focused on supporting the agricultural sector, specifically targeting regenerative organic farmers. The company aims to facilitate the growth of regenerative and organic farming practices by providing farmers with access to strategic financial products and resources. Through its initiatives, Mad Capital seeks to make a significant impact on the expansion of regenerative and organic farmland, thereby contributing to the advancement of sustainable agricultural practices.

Conserv

Series A in 2022
Conserv is a software and sensors company revolutionizing the art conservation industry with its comprehensive platform tailored for conservation professionals. The company specializes in environmental monitoring, a vital aspect of conservation work, and has created a unique wireless monitoring system specifically designed for this purpose. Its mobile application facilitates accurate, real-time data collection, allowing users to easily set up and customize environmental standards based on the specific needs of their art collections. By integrating various conservation tasks into a single solution, Conserv aims to enhance the efficiency and effectiveness of conservation efforts.

Red Sea Farms

Series A in 2021
Red Sea Farms, based in Thuwal, Saudi Arabia, specializes in sustainable agriculture solutions tailored for arid environments. The company focuses on developing innovative technologies that enable greenhouse and hydroponic farms to cultivate high-quality produce while minimizing water and energy consumption. This approach not only enhances food production efficiency but also promotes sustainability and cost savings for farmers. In addition to its proprietary technologies, Red Sea Farms offers consultancy services, providing expert technical advice on the design and project management of saltwater-based and desert agricultural systems. Through its diverse range of products and services, the company aims to address the challenges of agriculture in water-scarce regions.

Second Nature

Series C in 2020
Second Nature Brands, Inc. is a consumer goods company based in Raleigh, North Carolina, that specializes in subscription-based delivery services for home air filters. Founded in 2012, the company offers a web-based platform for customers to easily order air filters tailored to the specific needs of their heating, ventilation, and air conditioning (HVAC) systems. By providing automatic, recurring shipments of the correct size air filters directly to customers' doorsteps, Second Nature helps improve indoor air quality while also protecting HVAC systems. Additionally, the company offers health, vision, and dental insurance solutions. Formerly known as FilterEasy Inc., it rebranded to Second Nature Brands, Inc. in August 2019.

Rachio

Series B in 2018
Rachio, Inc. is a Denver-based company that specializes in intelligent sprinkler controllers aimed at enhancing water efficiency for residential landscapes. Founded in 2013, Rachio offers a WiFi-enabled device that allows users to remotely manage their sprinkler systems via a smartphone application. The system automatically adjusts watering schedules based on various factors, including local weather conditions, soil characteristics, and individual water budgets. By leveraging cloud-based technology, Rachio enables users to control their outdoor irrigation from anywhere, ultimately helping them save both water and money.

Second Nature

Series B in 2017
Second Nature Brands, Inc. is a consumer goods company based in Raleigh, North Carolina, that specializes in subscription-based delivery services for home air filters. Founded in 2012, the company offers a web-based platform for customers to easily order air filters tailored to the specific needs of their heating, ventilation, and air conditioning (HVAC) systems. By providing automatic, recurring shipments of the correct size air filters directly to customers' doorsteps, Second Nature helps improve indoor air quality while also protecting HVAC systems. Additionally, the company offers health, vision, and dental insurance solutions. Formerly known as FilterEasy Inc., it rebranded to Second Nature Brands, Inc. in August 2019.

Deep Fiber Solutions

Venture Round in 2017
Deep Fiber Solutions, Inc. specializes in converting coaxial cable networks to fiber-optic infrastructure, facilitating the deployment of advanced telecommunications services. Founded in 2013 and headquartered in Roswell, Georgia, the company offers a range of turnkey services, including span qualification testing, potholing, temporary fiber or coax installation, coax coring, fiber optic cable blowing, and splicing. It also provides installation services for nodes and RFoG/GPON terminals, catering to both underground and aerial applications. With additional operations in Deerfield Beach, Florida; Charlotte, North Carolina; and Oklahoma City, Oklahoma, Deep Fiber Solutions enables clients to enhance their network capabilities while minimizing the complexities associated with traditional construction methods.

MemberSuite

Series A in 2015
MemberSuite is a leading provider of association management software solutions tailored for associations and nonprofits. Founded in 2008 and based in Atlanta, Georgia, the company leverages cloud technology to offer a unified platform that supports a wide range of organizational activities, including fundraising, event planning, accounting, and dues collection. By combining enterprise-level functionality with the convenience of a Software as a Service (SaaS) model, MemberSuite delivers an effective and cost-efficient solution suitable for organizations of all sizes. Their software not only enhances operational efficiency but also promotes continuity and visibility for their clients.

EnteGreat

Venture Round in 2013
EnteGreat, Inc. specializes in providing operational excellence and manufacturing intelligence solutions to manufacturers across North America. Founded in 2000 and based in Birmingham, Alabama, the company offers a variety of consulting and integration services tailored to the manufacturing sector. Its services include the enCONTEXT platform for manufacturing analytics, as well as specialized frameworks such as the Compliant Manufacturing Framework and Manufacturing Performance Framework. EnteGreat addresses various industry challenges, assisting clients in sectors such as food and beverage, life sciences, pharmaceuticals, automotive, and more. Additionally, the company provides professional development training and energy and water management enablement services, enabling clients to optimize their manufacturing processes and improve supply chain management. Through its comprehensive offerings, EnteGreat aims to transform manufacturing data into actionable insights that enhance competitive advantage for its customers.

Musicbank

Venture Round in 2000
Musicbank is a San Francisco-based company founded in 1999 by Michael Downing and Pierce Ledbetter. The company offers on-demand access to and portability of consumers' personal music collections, enabling users to listen to and manage their music via the web without the need to upload content. Prior to its launch in fall 2000, Musicbank secured licensing agreements with major music labels, including BMG Entertainment, Universal Music Group, Warner Music Group, and Sony Music Entertainment. Additionally, the company formed an exclusive retail partnership with Virgin Megastores, positioning itself to provide a unique service in the digital music landscape. Financial support has come from notable investors such as Atlas Venture, Bertelsmann Ventures, and Bonaventure Investments Ltd.

EXP

Venture Round in 2000
EXP is a professional services firm specializing in engineering, architecture, and design. It offers a wide range of services, including building science, structural engineering, lighting design, technology integration, intelligent building systems, project management, and infrastructure development. Additionally, EXP provides mission support services, ensuring secure and efficient operations for its clients. The company serves both public and private sectors, focusing on the built and natural environments.

Redundant.net

Series A in 2000
Redundant.net is a revolution in the servicing of mission critical applications for your business. Founded in 1999, they are the internet industry's first Redundant Internet Service Provider (RISP) and service customers that already have a dedicated high speed (T1+) connection to the Internet. They are not a primary ISP and never will be. They are dedicated exclusively to providing a redundant connection and eliminating all single points of failure in your company's network architecture. When they say that they are eCommerce insurance, they mean that literally. With their Managed Service Provider product, you can pay a small premium monthly to have your network monitored by professionals whose sole focus is providing backup connectivity OR you can take your chances with the numerous points of failure in your Internet connection chain.
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