Organization · Micro VC
Southport Ventures
Southport Ventures is an operator-led micro-private equity firm focused on acquiring and managing mission-critical B2B software businesses. They emphasize operational excellence and target companies with established revenue streams.
Overview
What Southport Ventures does
What Southport Ventures is
Southport Ventures is an operator-led micro-private equity firm focused on acquiring and managing mission-critical B2B software businesses. They emphasize operational excellence and target companies with established revenue streams.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Micro VC
- Structured capabilities
- Funder
- Last reviewed
- April 24, 2026
Official channels
Find Southport Ventures elsewhere
Open the official website or a supported primary organization account.
Capability profile
Southport Ventures as a funder
Investment thesis
Southport Ventures focuses on investing in mission-critical B2B software businesses with a strong operational history and high gross margin potential.
Focus narrative
Southport Ventures invests in mission-critical B2B software businesses that have three or more years of operational history and an annual recurring revenue (ARR) between $1 million and $5 million. The firm targets companies with high gross margin potential and a customer revenue churn rate of less than 20% per year, ensuring a solid foundation for growth.
Value beyond capital
Southport Ventures adds value to its portfolio companies through operational expertise and a hands-on approach to management, ensuring that businesses not only grow but thrive in their respective markets.
Terms and economics
- Typical check
- $1,000,000–$5,000,000
Focus and fit
- Stages
- Friends and Family · Angel · Seed · Seed+ · Series A · Series B · Series C · Growth Equity
- Regions
- Global
Availability
- Currently deploying
- Not published
Portfolio and track record
- Recorded portfolio count
- 1
Portfolio context
Notable portfolio company includes QBench, a Laboratory Information Management System (LIMS) for testing labs that manages the end-to-end testing workflow from sample receiving to automated results reporting. Trevor Ewen serves as COO of QBench post-acquisition.
Common questions
What to know about Southport Ventures
Upseed classifies Southport Ventures under the Micro VC organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
April 24, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.