# Housatonic Partners

> Housatonic Partners is a VC fund backing Health Care. See 63 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Boston, United States
- Total investments: 63
- Last investment: Aug 2022
- Lead investor: 16%
- Last fund: Feb 2015
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/housatonic-partners
- Website: http://www.housatonicpartners.com

Housatonic Partners is a private equity investment firm founded in 1994 with over $1 billion in capital under management. They invest in growing, profitable companies in the recurring services, media and communications industries. They have partnered with exceptional management teams in more than fifty small to mid-sized companies in theseindustries over the last thirteen years.

## Contacts

5 contacts available for Housatonic Partners. Shizune tracks 2 team members at Housatonic Partners. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/housatonic-partners?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 13 | 21% |
| Information Technology | 9 | 14% |
| Software | 7 | 11% |
| Advertising | 7 | 11% |
| Medical | 4 | 6% |

74 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Private Equity | 35 | 56% |
| Pre-Seed | 8 | 13% |
| Funding Round | 6 | 10% |
| Series A | 4 | 6% |
| Series B | 4 | 6% |

7 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 49 | 78% |
| Japan | 1 | 2% |
| Brazil | 1 | 2% |
| Canada | 1 | 2% |
| Australia | 1 | 2% |

7 countries tracked in total.

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Joe Niehaus | Managing Director | 3 | https://shizune.co/investors/profile/joe-niehaus |
| William N. Thorndike | Founding Partner | 1 | https://shizune.co/investors/profile/william-n-thorndike |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Key Media | Key Media is an events and niche publishing company. |  | Private Equity | Aug 16, 2022 |  |
| Mobile Vascular Physicians | Mobile Vascular Physicians is a concierge vascular and interventional service (commonly called 'Special Procedures'), with a concentration in lower extremity venous and arterial disease. |  | Private Equity | Jan 05, 2022 |  |
| Veridic Solutions | Veridic Solutions is a well-known producer of cloud-based applications. To address the most difficult challenges, they bring together people with knowledge and creativity. The engineers with cloud certifications are specially qualified to assist with any cloud projects. |  | Private Equity | Sep 22, 2021 |  |
| Working Solutions | Working Solutions they connect with customers for brand sales. |  | Private Equity | Jan 12, 2021 |  |
| Maxitransfers | Maxitransfers offers business services such as money transfer, bill payment, pre-paid long-distance calling and top-ups. |  | Private Equity | Oct 01, 2020 |  |
| Aymira | Aymira provides healthcare technological tools and services to improve the wellness of the community. |  | Private Equity | Oct 01, 2020 |  |
| EOI Service Company | EOI Service Company is a national benefits communication and enrollment firm. |  | Private Equity | Oct 01, 2020 |  |
| e123 | The leading life and health insurance distribution management system. |  | Private Equity | Jun 01, 2020 |  |
| D2C Media | D2C is a leading vertically focused provider of tech-enabled digital marketing solutions to auto dealerships in Canada. |  | Private Equity | Oct 01, 2019 |  |
| CitiXsys | CitiXsys is a leader in retail management software that is recognized worldwide for its rich functionality, multi-national capabilities, and unparalleled flexibility. The flagship solution suite, iVend Retail helps retailers to optimize business operations to gain more time to focus on what really matters – cultivating customer engagement andcapitalizing on retail trends. iVend Retail is the chosen retail management platform for thousands of retailers in over 46 countries. Their high quality and cost-effective solutions help these retailers increase revenue, build customer loyalty, reach new customers and lower their operating costs. | $20M | Series B | Oct 30, 2018 |  |

10 of 63 investments shown.

## Co-investors
- [Advanced Technology Ventures](https://shizune.co/investors/profile/advanced-technology-ventures) — VC Fund, 2 deals together
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 1 deal together
- [Alta Communications](https://shizune.co/investors/profile/alta-communications) — VC Fund, 1 deal together
- [Atlas Venture](https://shizune.co/investors/profile/atlas-venture) — VC Fund, 1 deal together
- [AT&T](https://shizune.co/investors/profile/at-t) — VC Fund, 1 deal together
- [BancBoston Capital](https://shizune.co/investors/profile/bancboston-capital) — VC Fund, 1 deal together

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## FAQ

### What does Housatonic Partners invest in?

Housatonic Partners invests primarily in Health Care, Information Technology and Software startups, most often at Private Equity and Pre-Seed stage. Most of the 63 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Housatonic Partners?

Public channels for Housatonic Partners include LinkedIn 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 Housatonic Partners?

The team at Housatonic Partners includes Joe Niehaus (Managing Director) and William N. Thorndike (Founding Partner). 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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