Square 1 Bank
VC Fund
Durham, United States
Square 1 Bank is a full service commercial bank dedicated exclusively to serving the financial needs of the venture capital community and entrepreneurs in all stages of growth and expansion. Square 1's expertise, focus and strong capital base provide solid support for its clients' needs. The bank offers tailored products and solutionsaided by the latest in technological innovations. To serve its relationships, Square 1 has offices coast to coast in Austin, Boston, DC, Denver, Durham, New York, San Diego, Santa Monica, Seattle, and Silicon Valley.
- Total investments:
- 105
- Last investment:
- Lead investor:
- 32%
Last updated:
For AI agents: llms.txt
Industries Square 1 Bank invests in
Stages Square 1 Bank invests in
Countries Square 1 Bank invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Series A
- $5M–$41M
- Post-IPO Debt
- $3M–$40M
- Debt Financing
- $1.5M–$15M
Investment Focus
Industry
- Software 32 (30%)
- Health Care 30 (29%)
- Biotechnology 27 (26%)
- SaaS 18 (17%)
- Medical 17 (16%)
Stage
- Debt Financing 73 (70%)
- Post-IPO Debt 7 (7%)
- Series A 5 (5%)
- Venture - Series Unknown 5 (5%)
- Funding Round 4 (4%)
Country
- United States 98 (93%)
- Israel 1 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Patrick Oakes
EVP, CFO
|
EVP, CFO | Total investments: 0 | Find email | |
James Duncan
Managing Director
|
Managing Director | Total investments: 2 | Find email | |
Joel Marquis
Senior Vice President
|
Senior Vice President | Total investments: 0 | Find email | |
Matt Garrity
Senior Vice President, Venture Banking
|
Senior Vice President, Venture Banking | Total investments: 0 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Everything ShopKeep does supports growing and independent businesses. Built by and for small business owners, ShopKeep provides an intuitive, secure, iPad point-of-sale system with POS software that empowers merchants to run smarter businesses by optimizing staffing, managing inventory and accessing real time sales reports and customer informationon one seamless, cloud-based platform. With more than 25,000 customers, ShopKeep’s award-winning customer care team is available to help 24/7 and provides a robust support network for growing business owners. ShopKeep is headquartered in New York City, with offices in Portland (OR), Chicago (IL), and Belfast (NIR). | $65M / Series E / Dec 11, 2018 | ||
| Everything ShopKeep does supports growing and independent businesses. Built by and for small business owners, ShopKeep provides an intuitive, secure, iPad point-of-sale system with POS software that empowers merchants to run smarter businesses by optimizing staffing, managing inventory and accessing real time sales reports and customer informationon one seamless, cloud-based platform. With more than 25,000 customers, ShopKeep’s award-winning customer care team is available to help 24/7 and provides a robust support network for growing business owners. ShopKeep is headquartered in New York City, with offices in Portland (OR), Chicago (IL), and Belfast (NIR). | Debt Financing / Dec 11, 2018 | ||
| ScienceLogic is a provider of AI-driven monitoring solutions for hybrid cloud management. The company specializes in hybrid IT service assurance. Over 50,000 global service providers, enterprises, and government organizations rely on ScienceLogic to significantly enhance IT efficiency, optimize operations, and ensure business continuity. Thecompany is a monitoring solution that provides a comprehensive, real-time view of all IT components, whether they reside in a public cloud environment or on-premises. With hundreds of packaged management apps and custom automation capabilities, they deliver the global scale, resiliency, and automation needed to simplify the constantly evolving task of managing IT infrastructure, applications, and services. | $25M / Debt Financing / Nov 05, 2018 | ||
| CallRail is a phone call tracking and analytics platform businesses use to understand which marketing campaigns drive leads and conversions. Its intuitive software helps data-driven marketers optimize the performance of their online and offline advertising campaigns, increase sales effectiveness, and improve customer retention. | $15M / Debt Financing / Oct 16, 2018 | ||
| Paro is the alternative employment model for the future of finance work. Through technology, Paro matches businesses with the highest vetted freelance bookkeepers, accountants, financial analysts, and CFOs who provide remote, on-demand, hourly support when clients need it.The company aims to empower business professionals to work on their ownterms, from day one with Paro through retirement, providing professional expertise to young companies as well as Fortune 500 businesses. Paro vets the talent, accepting only 2% of those applying to its platform, to ensure every client receives access to deeply experienced professionals who are the best fit to solve their specific financial needs. In parallel, Paro harnesses AI to offer these finance experts the tools and insights they need to build their own businesses and enhance their professional success.Founded in 2015, the company is headquartered in Chicago, Illinois. | $1.5M / Debt Financing / Oct 02, 2018 | ||
| Zurex Pharmacy is a specialty pharmacy and medical technology company with a novel antimicrobial technology platform. Their company's mission is to develop and commercialize a portfolio of new antimicrobial products designed to prevent healthcare-acquired infections with a focus on surgical site wounds and catheter-related infections.It wasfounded in 2010 and is headquartered in Middleton, Wisconsin. | $9M / Series D / Jun 12, 2018 | ||
| Recursion is a clinical-stage biotechnology company decoding biology by integrating technological innovations across biology, chemistry, automation, data science, and engineering, with the goal of radically improving the lives of patients and industrializing drug discovery. Central to our mission is the Recursion Operating System, or Recursion OS,that combines an advanced infrastructure layer to generate what we believe is one of the world's largest and fastest-growing proprietary biological and chemical datasets and the Recursion Map, a suite of custom software, algorithms, and machine learning tools that we use to explore foundational biology unconstrained by human bias and navigate to new biological insights which may accelerate our programs. We are a biotechnology company scaling more like a technology company. | $20.5M / Debt Financing / Jun 05, 2018 | ||
| AllyO tackles workplace engagement challenges, from hi to goodbye through the world's first AI powered HR Communications Platform. | $16M / Series A / Nov 30, 2017 | ||
| ViralGains is a video ad journey platform that enables marketers to engage people with relevant brand stories in the contexts that people most favor. Using the platform to engage in a two-way conversation, brands discover exactly what people want and how they feel and build a unique journey that connects highly qualified consumers with relevantmessages that generate awareness, motivate intent, and impact purchase decisions. ViralGains is headquartered in Boston, with regional offices in Chicago, Detroit, Los Angeles, San Francisco, and New York. | $13.5M / Series B / Sep 21, 2017 | ||
| Bizible is the unified repository to link data from the disparate sales and marketing data stores, linking CRM, marketing, web site, ad network, and customer support information for a unified view of marketing ROI and customer LTV. It also delivers unparalleled performance insights about all revenue-generating efforts, including demand gen, inboundmarketing, account-based marketing, and outbound sales. Bizible helps marketers at more than 300 companies worldwide discover their customer journey, lead transformation, and power growth. In the first release, Bizible has partnered with Salesforce.com to create an integrated marketing analytics platform that allows you to close the loop between online marketing and revenue. | $8.1M / Aug 09, 2017 | ||
| See all 105 investments → | |||
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FAQ
What does Square 1 Bank invest in?
Square 1 Bank invests primarily in Software, Health Care and Biotechnology startups, most often at Debt Financing and Post-IPO Debt stage. Most of the 105 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Square 1 Bank's check size?
Square 1 Bank typically joins rounds of $5M–$41M at Series A, $3M–$40M at Post-IPO Debt and $1.5M–$15M at Debt Financing. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Square 1 Bank participates in.
How do I contact Square 1 Bank?
Public channels for Square 1 Bank include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Square 1 Bank?
The team at Square 1 Bank includes Patrick Oakes (EVP, CFO), James Duncan (Managing Director) and Joel Marquis (Senior Vice President). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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