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Summerhill Venture Partners has backed over 40 management teams and has built a track record of success since 1987.  The firm has played an active role in assisting portfolio companies through IPO's and acquisitions. Our active investments portfolio list is below.



Bridgeport Networks
Chicago / Boston
www.bridgeport-networks.com

BrigePort Networks (tm) is leading the seamless convergence of mobile and voice over IP services using a single phone number. The core product, the NomadicONE (tm) Network Convergence Gateway (NCG), uses roaming technology to extend single identity phone number services over multiple access networks, comprising end-to-end solutions that improve the quality, coverage and cost of mobile service delivery. Co-Investors: General Catalyst Partners, Polaris Venture Partners and TD Capital Ventures.

Ellacoya Networks
Merrimack/NH
www.ellacoya.com

Ellacoya Networks is a leading provider of carrier-class intelligent bandwidth management solutions for broadband IP networks. Its IP Service Control System identifies subscribers, classifies and controls applications on a per-subscriber basis, improves performance and customer satisfaction, and delivers revenue-generating IP services. Co-Investors: Canaan Partners, Lightspeed Venture Partners, Flagship Ventures, and Atlas Ventures.

Intellon
Florida / Toronto
www.intellon.com

Intellon is a global leader in powerline communications, providing HomePlug® compliant and other powerline integrated circuits for home networking, networked entertainment, BPL access and commercial applications. Intellon created the baseline technology for HomePlug 1.0, and is a major contributor to the baseline technology for the new 200-Mbps HomePlug AV powerline standard. Co-investors: Fidelity Ventures, Comcast Interactive Capital, Intel Capital, Motorola Ventures and Goldman Sachs Capital.

JumpTap
Massachusetts
www.JumpTap.com

JumpTap is a Cambridge, MA based company that seeks to maximize carrier value from mobile search. While search has transformed the way people use the Internet, mobile search is an untapped value source for mobile operators. JumpTap provides mobile carriers with the technology, content, and advertising inventory to immediately launch a carrier branded search experience. Through a centralized search box, users can easily search and access a variety of content including carrier portals, mobile commerce items, mobile web sites, yellow pages, white pages, shopping comparison, news/sports/weather, and more. JumpTap's marketing platforms deliver relevant results to users while supplying new revenue streams to carriers. Co-investors: Redpoint Ventures, Valhalla Partners and General Catalyst Partners.

NexTone Communications
Gaithersburg
www.nextone.com

NexTone Communications develops carrier-grade products for delivering scalable control of real-time IP services, such as voice over IP (VoIP). NexTone's solutions enable carriers, service providers, and enterprises to securely, simply, and cost-effectively interconnect networks for end-to-end control and management of IP traffic. NexTone's real-time IP technology is installed by more than 370 service providers and enterprises worldwide to dramatically reduce capital expenditures and deliver ongoing operational efficiencies, such as reduced interconnect "turn-up" time and simplified network operations. Co-Investors: Safeguard Scientifics, Core Capital, Mid Atlantic Venture and One Equity Partners (OEP).

Radian6
Fredericton
www.radian6.com

Radian6 is a pioneer in the field of monitoring and analyzing social media. The extremely rapid proliferation of social networks and consumer-generated content has created an emerging shift in power from institutions and mainstream media to the consumer and communities. Radian6 provides public relations, advertising and marketing communications professionals with the next generation solutions they need to be able to quickly adapt to this shift. Co-Investors include: Brightspark and BDC Capital.

Simpler Networks
Montreal / New Jersey
www.simplernetworks.com

Simpler Networks is a leading telecommunications equipment manufacturer specializing in Automated Distribution Frames (ADFs) enabling automated copper loop management. These products reduce the operational costs, increase the quality of service and generate additional revenues for incumbent local exchange carriers. Co-Investors: Highland Capital Partners, Kodiak Venture Partners, Fonds de la Solidarite and Lothian Partners.

Sylantro Systems
Silicon Valley
www.sylantro.com

Sylantro Systems provides the premier software platform for advanced Hosted PBX and IP Centrex services. The company's customers include incumbent carriers, PTTs and next-generation service providers. Co-Investors: Accel Partners, Azure Capital Partners, Bank of America, CIT Group, Hook Partners, JP Morgan, Mayfield, Pyramid Technology Ventures and Vanguard Ventures.

Tello
Silicon Valley
www.tello.com

Tello Corporation supports instant communication and collaboration across networks, applications and devices in the context of critical business processes. The company is headquartered in San Mateo, California. Co-investors include Eagle River, Evercore Partners, Rho Ventures and Intel Capital.

Third Brigade
Ottawa
www.thirdbrigade.com

Third Brigade Inc. provides proactive Deep Host Intrusion Protection (HIP) solutions to financial services, health care, public sector and other organizations that require a defense-in-depth strategy. The company's practical Deep HIP solutions protect Linux, Windows and other servers from attacks, ensure regulatory compliance, improve operational efficiency and protect revenue and customer satisfaction. Co-Investors: Celtic House Venture Partners and BDC Venture Capital.

Trust Digital
McLean
www.trustdigital.com

Trust Digital is the leading provider of mobile security software, securing enterprise data that resides at the edge of the network where Smartphones and mobile devices have access to corporate information. By implementing Trust Digital's policy-based software solution, corporations eliminate the regulatory and financial risks associated with the accidental or malicious disclosure of data. Co-Investors: Core Capital, TD Capital and Avansis Partners.

Vantrix
Montreal
www.vantrix.com/

Vantrix is a leading vendor in the emerging multimedia content adaptation market, a technology that addresses the impediments to the seamless delivery of mobile rich-media data services. Its carrier-grade product, SPOT xdeR Server, effectively eliminates device and network interoperability errors while allowing virtually all devices to participate in revenue generating value-added services. Co-investors: BDC Capital, Entrepia Ventures, Innovacom Venture Capital and VoiceAge Corp.