About Trellis Partners
Trellis Partners is a venture capital firm founded in 1997. It is primarily based out of Cedar Creek, United States. As of Sep 2012, Trellis Partners has invested in 17 companies. It primarily invests in Series B round in United States based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to High Tech and Enterprise Infrastructure. Most recently it participated in the $***** Series A round of Flash Valet Overall, Trellis Partners portfolio has seen 9 acquisitions including key companies like Xtera, Zilliant and EKOS Corporation. A lot of funds co-invest with Trellis Partners, with names like Sevin Rosen sharing a substantial percentage of its portfolio. Trellis Partners has team of 2 people including 1 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series A, Series B & 2 more
Portfolio Acquisitions
Portfolio Soonicorns
Trellis Partners' List of Top Investments
Trellis Partners has a portfolio of 17 companies. Their most notable investments are in Ziften and Zilliant.Their portfolio spans across and United States. They have invested in Enterprise Applications, High Tech, Enterprise Infrastructure and 15 other sectors, across stages such as Series A, Series B and 2 more. Here is the list of top investments by Trellis Partners:1. Xtera
Xtera Communications provides optical transport solutions. Its patented product Wise Raman provides Amplication for High Capacity Optical transmission. Its other products include networking platform Optima, management system Nu-Wave Management and has recently launched a self-management supportive with SDN architecture to meet demand requirements and low latency.Its customers include service providers, enterprises and government bodies.
Key facts about Xtera
- Founded Year: 1998
- Location: Allen (United States)
- Stage: Acquired
- Total Funding till date: $349M
- Employee Count: 122 as on May 31, 2026
- Investors: New Enterprise Associates, Saints Capital and 21 Others
- Latest Funding Round: Series E, Sep 03, 2015, $*****
- Highlight: Acquired
2. Genband
Unified communication and IP products provider. Its product portfolio consists of SBCs, call controllers, and session gateways for various types of communications. The product portfolio also covers IP multimedia subsystems, unified communications. Recent product enhancements have moved towards the delivery of the existing portfolio in the form of virtual network functions.
Key facts about Genband
- Founded Year: 1999
- Location: Plano (United States)
- Stage: Series D
- Total Funding till date: $694M
- Employee Count: 607 as on Jun 30, 2026
- Investors: Western Technology Investment, Saints Capital and 25 Others
- Latest Funding Round: Venture Debt, Jul 27, 2016, $*****
- Highlight: Editors' Pick
3. Zilliant
Provider of AI-driven pricing and revenue optimization software for B2B. The company offers a suite of products designed to manage pricing strategies, optimize prices, and configure quotes. It provides solutions for pricing teams and sales teams across manufacturing and distribution industries. The company also offers customer support, product documentation, and partner resources.
Key facts about Zilliant
- Founded Year: 1998
- Location: Austin (United States)
- Stage: Acquired
- Total Funding till date: $80M
- Employee Count: 172 as on Jun 30, 2026
- Investors: Trellis Partners, Goldman Sachs and 13 Others
- Latest Funding Round: Series G, Apr 05, 2017, $*****
- Highlight: Acquired
Developer of a device for thrombolysis to treat pulmonary embolism. The EkoSonic Endovascular System is used in dissolving clots with its first generation of ultrasound thrombolytic technology. The acoustic energy from the device conditions clots by thinning fibrin, increasing porosity, and creating a pressure gradient that transports clot-dissolving drug deep inside the occluding thrombus. The company's products are used in the treatment of Deep Vein Thrombosis, Pulmonary embolism, and Peripheral arterial occlusion.
Key facts about EKOS Corporation
- Founded Year: 1995
- Location: Bothell (United States)
- Stage: Acquired
- Total Funding till date: $58.8M
- Employee Count: 64 as on Jun 30, 2026
- Investors: Trellis Partners, Arch Venture Partners and 17 Others
- Latest Funding Round: Series D, Jan 28, 2011, $*****
- Highlight: Acquired
5. TabbedOut
TabbedOut is a free mobile application for iPhone and Android that allows consumers to pay their bar or restaurant tab from their phones. Customer payments is integrated with merchant's POS system which updates payment information directly in POS systems. Additionally, TabbedOut has a merchant marketing solution called Periscope which enables merchants to access customer data, marketing reports and the ability to offer personalized special offers delivered straight to the customer’s smartphone.
Key facts about TabbedOut
- Founded Year: 2009
- Location: Austin (United States)
- Stage: Series C
- Total Funding till date: $41.1M
- Employee Count: 40 as on Dec 31, 2013
- Investors: New Enterprise Associates, Union Grove Venture Partners and 8 Others
- Latest Funding Round: Series C, Dec 10, 2015, $*****
Trellis Partners' Investments by Stage
Trellis Partners has made 5 investments in Series A stage with an average round size of $9.87M, 5 investments in Series B stage with an average round size of $24.4M, 2 investments in Seed stage with an average round size of $875K and 1 investment in Series C stage with an average round size of $26M.Stage of entry | No. of Investments |
|---|---|
Series A | 5 |
Series B | 5 |
Seed | 2 |
Series C | 1 |
Note: We have considered here, only first round of investments
Trellis Partners' Investments by Sector
Trellis Partners has a diverse portfolio, with companies operating in the Enterprise Applications, Enterprise Infrastructure, Vertical SaaS, FinTech and Telecom. Notably, it has invested in 15 Tech companies, 14 Enterprise (B2B) companies, 9 Software companies and at least 6 companies focusing on Saas.Sector | No. of Investments |
|---|---|
Enterprise Applications | 7 |
Enterprise Infrastructure | 5 |
Vertical SaaS | 3 |
FinTech | 2 |
Telecom | 2 |
Others | 13 |
Note: We have considered here, only first round of investments
Trellis Partners' Investments by Geography
Trellis Partners has made most investments in United States (13).Trellis Partners' recent investments
Trellis Partners has not made any investment in 2026 so far.Here are the most recent investments by Trellis Partners:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Sep 19, 2012 | United States | Series A | 8858 | [+2] | |
Jun 15, 2012 | United States | Series B | 1690 | ||
Sep 28, 2011 | United States | Seed | 6511 | - | |
Jul 14, 2011 | United States | Series A | 5441 | ||
Aug 27, 2010 | United States | Seed | 2370 |
Acquired companies in Trellis Partners' Portfolio
9 companies from Trellis Partners' portfolio have been acquired. The most recent acquisition was Xtera in Dec 2025 by Prysmian for $*****.Here are Trellis Partners' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Dec 29, 2025 | - | - | 2077 | |
May 17, 2022 | - | - | 7273 | |
Dec 06, 2021 | Oct 14, 2002 | Series B | 7912 | |
May 29, 2014 | - | - | 6718 | |
May 22, 2013 | Mar 21, 2006 | Series C | 1058 |
Team profile of Trellis Partners
Trellis Partners has a team of 2 members including 1 Partner and 1 Venture Partner located in United States. Trellis Partners' team does not sit on the board of any company as of now.Co-investors of Trellis Partners
Over the past 26 years, 80 investors have co-invested in Trellis Partners's portfolio companies. This includes funds and angels.
- Invested before Trellis Partners: Venrock, AT&T and 13 others have invested in rounds before Trellis Partners. There are 2 companies where Venrock has invested before Trellis Partners and 1 company where AT&T has invested before Trellis Partners.
- Top Co-investors of Trellis Partners: 34 investors entered a company along with Trellis Partners. These include investors like Sevin Rosen (2 companies).
- Invested after Trellis Partners: A total of 31 investors have invested in Trellis Partners's portfolio after their investments. Top Investors include Alcatel-Lucent (1 company), Next47 (1 company) and TeleSoft Partners (1 company).
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