About Longworth Venture Partners
Longworth Venture Partners is a venture capital firm founded in 1999. It is primarily based out of Waltham, United States. As of Dec 2018, Longworth Venture Partners has invested in 55 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 Retail and Enterprise Infrastructure. Most recently it participated in the $***** Series E round of NuoDB Overall, Longworth Venture Partners portfolio has seen 1 IPO and 37 acquisitions including key companies like Constant Contact, Applause and GoDaddy. A lot of funds co-invest with Longworth Venture Partners, with names like Atlas Venture sharing a substantial percentage of its portfolio. Longworth Venture Partners has team of 1 people including 1 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series B, Series A & 3 more
Portfolio IPOs
Portfolio Acquisitions
Longworth Venture Partners' List of Top Investments
Longworth Venture Partners has a portfolio of 55 companies. Their most notable investments are in Kitsy Lane and NuoDB.Their portfolio spans across United States, India and Israel. They have invested in Enterprise Applications, Retail, Enterprise Infrastructure and 13 other sectors, across stages such as Series B, Series A and 3 more. Here is the list of top investments by Longworth Venture Partners:Digital marketing platform for businesses. It simplifies and amplifies online marketing efforts for small businesses. It provides a range of tools and solutions to drive sales, grow a customer base, and engage with target audiences. It specializes in email marketing, SMS, social media, and CRM tools for small businesses
Key facts about Constant Contact
- Founded Year: 1998
- Location: Waltham (United States)
- Annual Revenue: $100M - $500M as on Dec 31, 2014
- Stage: Acquired
- Total Funding till date: $37M
- Employee Count: 1,156 as on Jul 31, 2026
- Investors: El Toro Capital Management, Siris Capital and 14 Others
- Latest Funding Round: Post IPO, Oct 07, 2025, $*****
- Highlight: Acquired
2. Applause
Platform offering crowdsourced testing solution. It offers crowd-driven automated testing, user experience testing, AI testing, security testing, etc. The platform integrates with development tools systems and environments that include APIs, bug tracking, bug fix verification system, etc. It offers codeless automation, test case management, etc.
Key facts about Applause
- Founded Year: 1966
- Location: Framingham (United States)
- Stage: Acquired
- Total Funding till date: $116M
- Employee Count: 1,615 as on Jul 31, 2026
- Investors: Questmark Capital Management, Goldman Sachs and 18 Others
- Latest Funding Round: Series F, Dec 21, 2016, $*****
- Highlight: Acquired
3. GoDaddy
Provider of web hosting, domain registration, and IT support services. It's other services include website creation & building tools, web security, digital marketing, website design, social media marketing, and SEO optimization.
Key facts about GoDaddy
- Founded Year: 1997
- Location: Tempe (United States)
- Annual Revenue: $1B+ as on Dec 31, 2025
- Stage: Public
- Employee Count: 8,980 as on Mar 31, 2026
- Investors: Starboard Value, Longworth Venture Partners and 4 Others
- Latest Funding Round: Post IPO, Apr 04, 2023, $*****
- Highlight: Public
4. Sermo
SERMO is a provider of a social community for physicians. It offers a social community for doctors to discuss cases, research, conduct polls, etc. Doctors can ask each other real-life questions and gather advice and second opinions about the diagnosis.
Key facts about Sermo
- Founded Year: 2005
- Location: New York City (United States)
- Stage: Acquired
- Total Funding till date: $43M
- Employee Count: 647 as on Jul 31, 2026
- Investors: Deerfield, Savant Growth and 6 Others
- Latest Funding Round: Series C, Feb 17, 2011, $*****
- Highlight: Acquired
5. Escrow.com
Licensed escrow service provider. Provides the best online escrow transaction services and accounts that facilitate and accelerate e-commerce by assuring a secure settlement. It reduces the risk of fraud by collecting, holding, and disbursing funds. Escrow.com is audited regularly and uses industry-standard technologies to protect online information. It also monitors the entire transaction, from shipping to delivery, to ensure that the buyer and seller hold up to their ends in the agreement.
Key facts about Escrow.com
- Founded Year: 1999
- Location: Rancho Santa Margarita (United States)
- Stage: Acquired
- Total Funding till date: $30M
- Employee Count: 172 as on May 31, 2026
- Investors: PCCW, Longworth Venture Partners and 3 Others
- Latest Funding Round: Series C, Apr 25, 2000, $*****
- Highlight: Acquired
Longworth Venture Partners' Investments by Stage
Longworth Venture Partners has made 20 investments in Series B stage with an average round size of $11M, 16 investments in Series A stage with an average round size of $4.47M, 7 investments in Seed stage with an average round size of $1.75M, 2 investments in Series D stage with an average round size of $11M and 1 investment in Series E stage with an average round size of $7.5M.Stage of entry | No. of Investments |
|---|---|
Series B | 20 |
Series A | 16 |
Seed | 7 |
Series D | 2 |
Series E | 1 |
Note: We have considered here, only first round of investments
Longworth Venture Partners' Investments by Sector
Longworth Venture Partners has a diverse portfolio, with companies operating in the Enterprise Applications, Enterprise Infrastructure, Consumer, Media & Entertainment and Business Services. Notably, it has invested in 43 Enterprise (B2B) companies, 41 Tech companies, 32 Software companies and at least 13 companies focusing on Saas.Sector | No. of Investments |
|---|---|
Enterprise Applications | 30 |
Enterprise Infrastructure | 13 |
Consumer | 7 |
Media & Entertainment | 6 |
Business Services | 4 |
Others | 17 |
Note: We have considered here, only first round of investments
Longworth Venture Partners' Investments by Geography
Longworth Venture Partners has made most investments in United States (43), followed by India where it has made 1 investment.Country | No. of Investments |
|---|---|
United States | 43 |
India | 1 |
Israel | 1 |
Niger | 1 |
Note: We have considered here, only first round of investments
Longworth Venture Partners' recent investments
Longworth Venture Partners has not made any investment in 2026 so far.Here are the most recent investments by Longworth Venture Partners:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Dec 28, 2018 | United States | Series E | 7420 | [+3] | |
Nov 01, 2017 | United States | Series D | 2947 | [+1] | |
Dec 21, 2016 | United States | Series F | 1894 | [+6] | |
Dec 31, 2015 | United States | Series C | 8134 | ||
Oct 14, 2015 | India | Series B | 7885 |
IPOs and Publicly Listed companies in Longworth Venture Partners' Portfolio
1 of Longworth Venture Partners' portfolio company became public - GoDaddy. It got listed on the New York Stock Exchange (NYSE), in Apr 2015 at marketcap of $3.05BHere are Longworth Venture Partners' portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Apr 02, 2015 | - | - | 6523 |
Acquired companies in Longworth Venture Partners' Portfolio
37 companies from Longworth Venture Partners' portfolio have been acquired. The most recent acquisition was Jeeng in Jan 2023 by OpenWeb for $*****.Here are Longworth Venture Partners' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Jan 26, 2023 | Aug 16, 2011 | Seed | 5371 | |
Jan 10, 2023 | - | - | 5931 | |
Sep 13, 2022 | Feb 18, 2015 | Series B | 3718 | |
Jun 28, 2022 | - | - | 3834 | |
Nov 26, 2020 | Apr 13, 2012 | Series B | 6192 |
Team profile of Longworth Venture Partners
Longworth Venture Partners has a team of 1 member located in United States. Longworth Venture Partners' team does not sit on the board of any company as of now.Co-investors of Longworth Venture Partners
Over the past 27 years, 183 investors have co-invested in Longworth Venture Partners's portfolio companies. This includes funds and angels.
- Invested before Longworth Venture Partners: MassVentures, Zelkova Ventures and 47 others have invested in rounds before Longworth Venture Partners. There are 2 companies where MassVentures has invested before Longworth Venture Partners and 2 companies where Zelkova Ventures has invested before Longworth Venture Partners.
- Top Co-investors of Longworth Venture Partners: 57 investors entered a company along with Longworth Venture Partners. These include investors like Atlas Venture (5 companies).
- Invested after Longworth Venture Partners: A total of 77 investors have invested in Longworth Venture Partners's portfolio after their investments. Top Investors include SoftBank Capital (2 companies), MMV Financial (2 companies) and NewSpring (2 companies).
Recent News related to Longworth Venture Partners
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Applause raises $35 million to grow its ‘in-the-wild’ software-testing servicesVentureBeat•Sep 14, 2016•Applause, UBS, Accenture, QuestMark Partners and 4 others
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Rize Raises $4M in Seed Funding |FinSMEsFinSMEs•Jul 20, 2016•Palitra, Longworth Venture Partners, SB Capital Partners
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RapidMiner Secures $16 Million Investment | RapidMinerRapidMiner•Jan 05, 2016•RapidMiner, Ascent Venture Partners, Earlybird, Longworth Venture Partners and 2 others
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Mobiquity Secures $5 Million New Venture Funding
VentureDeal•Oct 15, 2015•Mobiquity, Longworth Venture Partners, NewSpring
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With A Fresh $15 Million, Olapic Will Replace Brands’ Stock Photos With Your Instagram Pics – TechCrunchTechCrunch+•Jun 23, 2015•Olapic, Longworth Venture Partners, Unilever Ventures, Felix Capital and 1 other
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Swirl nets $18 million from Twitter Ventures and SoftBank CapitalFortune•Apr 23, 2015•Swirl, Hearst, SoftBank Capital, Twitter Ventures and 1 other
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Modern Analytics Leader RapidMiner Nabs $15 Million in Funding | RapidMinerRapidMiner•Feb 18, 2015•RapidMiner, Earlybird, Longworth Venture Partners, Ascent Venture Partners and 1 other
