News & Insights

Recent News

BlackArch Partners Advises on Sale of Custom Window Systems

CHARLOTTE, NORTH CAROLINA (October 24, 2019) – BlackArch Partners (“BlackArch”) is pleased to announce the sale of Custom Window Systems, Inc. (“CWS” or the “Company”), a portfolio company of Nautic Partners (“Nautic”), to Pella Corporation (“Pella”). CWS, headquartered in Ocala, Florida, is a leading manufacturer of custom-configured, impact-resistant and non-impact-resistant windows, doors and porch enclosures, primarily serving single-family and multi-family housing customers located in hurricane-prone, coastal regions.  The Company’s high-quality offerings are consistently recognized for achieving superior levels of safety, security and energy efficiency.

BlackArch was retained by Nautic and management to serve as the Company’s lead financial advisor.

Bernie Buonanno, Managing Director at Nautic, commented:  “The BlackArch team consistently delivered outstanding service, guidance and support throughout the duration of the CWS process.  The strong industry experience, work ethic and professionalism brought by their entire team facilitated an exceptionally well-run process and ultimately resulted in a fantastic outcome for the Company.”

John Manzi, Chief Executive Officer at CWS, added:  “The entire BlackArch team was instrumental in working with our management team and took an enormous burden off our team throughout the process as we were running our business.  BlackArch guided us through a highly efficient process and helped the shareholders and management achieve a phenomenal outcome for the business.  It was a pleasure working with BlackArch, and I would welcome the opportunity to partner with them again.”

About Custom Window Systems

Custom Window Systems has manufactured high-quality windows and doors since 1986, specifically designing products for hurricane impact zones in Florida and other coastal regions. CWS’s modern manufacturing facility ensures superior levels of impact resistance, safety and security. Committed to innovation, the Company develops products that meet the most stringent coastal requirements. The Company’s manufacturing plant and general offices are in Ocala, Florida. For more information, please visit

About Nautic Partners

Nautic Partners is a middle-market private equity firm that focuses on three industries: healthcare, industrial products and outsourced services. Nautic has completed 136 platform transactions over its 33-year history. Nautic’s strategy is to partner with management teams to accelerate the growth trajectory of its portfolio companies via add-on acquisitions, targeted operating initiatives and increased management team depth. Nautic generally makes equity investments of
$25 million or more. For more information, please visit

About Pella Corporation

Pella Corporation doesn’t just create windows and doors, we innovate with purpose, design with passion, build with integrity and deliver with pride. From testing beyond industry requirements to continuous innovation, Pella goes beyond what meets the eye. Pella’s goal is to perfect every detail and make beautifully designed windows and doors. The company is headquartered in Pella, Iowa and employs nearly 7,000 people with 15 manufacturing locations and more than 200 showrooms across the country. For more information, please visit

About BlackArch Partners

BlackArch Partners is a leading middle-market investment bank offering a full spectrum of advisory services to financial sponsors, private companies and diversified corporations.  BlackArch addresses the needs of owner-operators, founders and shareholders of private companies with specialized services that include M&A advisory, strategic advisory and private capital solutions.  Headquartered in Charlotte, North Carolina, BlackArch features a total of 12 industry-focused practices that cover all sectors of interest to middle-market investors; BlackArch professionals have closed more than 350 transactions in 16 countries on four continents.  For more information, visit

Securities offered through BlackArch Securities LLC. Member FINRA and SIPC.  Testimonials may not be representative of the experience of all clients.  Testimonials are not a guarantee of future performance or success.