Organization · Angel Group
Mack Capital, LLC
Mack Capital, LLC is a New York-based angel investment firm that focuses on early-stage investments in technology startups, particularly in marketing technology for large retailers and brands.
Overview
What Mack Capital, LLC does
What Mack Capital, LLC is
Mack Capital, LLC is a New York-based angel investment firm that focuses on early-stage investments in technology startups, particularly in marketing technology for large retailers and brands.
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
- Angel Group
- Structured capabilities
- Funder
- Last reviewed
- March 4, 2026
Official channels
Find Mack Capital, LLC elsewhere
Open the official website or a supported primary organization account.
Capability profile
Mack Capital, LLC as a funder
Investment thesis
Mack Capital invests in early-stage B2B technology startups with recurring revenue models, emphasizing marketing technology, data analytics, and artificial intelligence. The firm supports companies until they reach valuations of $150 million to $200 million.
Focus narrative
Mack Capital primarily invests in B2B companies with recurring revenue models that emphasize marketing technology, data analytics, and artificial intelligence. The firm typically invests between $100,000 and $300,000 in the initial financing round and participates in follow-on rounds until the enterprise reaches a valuation of $150 million to $200 million. The investment strategy includes a focus on real-time software solutions that enhance efficiency and drive return on investment for clients.
Terms and economics
- Typical check
- $100,000–$300,000
Focus and fit
- Stages
- Seed · Seed+ · Series A
- Regions
- North America
Availability
- Currently deploying
- Yes
Portfolio and track record
Portfolio context
Mack Capital has invested in several notable companies, including: Sightly: A video advertising technology firm that secured $1.7 million in seed financing led by Mack Capital. Ensighten: A company that has received support from Ralph Mack in various aspects, including fundraising and talent recruitment. Axial: Another portfolio company where Ralph Mack has played a significant role as an early investor.
Common questions
What to know about Mack Capital, LLC
Upseed classifies Mack Capital, LLC under the Angel Group 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
March 4, 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.