Seaport Capital
Private equityNew York · Seed–Late Stage · 14 people tracked
Also known as SEAPORT CAPITAL, LLC
Investment thesis
Seaport Capital is a lower middle-market buyout firm focused on private companies with EBITDA of $3M to $15M in the communications services, business and information services, and media sectors. It pursues primarily control-oriented investments and partners with management teams to grow businesses both organically and through acquisitions, taking a long-term approach to building lasting, leading companies.
Source: firm website, verified Aug 25, 2026.
Team · 14 people
from the firm's website & curatedWhat they invest in
from 19 of 55 portfolio companiesEnterprise Software ×6Media & Entertainment ×5Cloud Computing ×4Marketing Tech ×4AdTech ×3Cybersecurity ×3Hardware ×3IoT ×3
HQs:United States×10
Investments · 55 tracked
founders shown can be your intro pathOutdoor advertising company in rural and suburban markets located in Texas, Arkansas and Oklahoma
All Traffic Data Services (ATD) is a transportation data services company that collects and analyzes traffic data—including vehicle counts, turning movements, origin-destination studies, radar speed, Bluetooth, crash diagrams, and roadside asset inventories—for public and private clients.
Data & InfrastructureMobility & TransportationWheat Ridge, US
B Media Group operates a network of over 500 high-impact out-of-home advertising locations across multiple formats, letting brands place promotional campaigns.
AdTechMarketing TechMedia & Entertainment
Bay Communications develops, owns, and operates cellular communication towers across the United States, providing wireless infrastructure that supports antennae and equipment from multiple carriers.
HardwareIoT
New England based CLEC providing voice and data services to small and medium sized businesses
CyberlinkASP is a managed IT services provider offering 24/7 IT support, secure cloud hosting, Desktop-as-a-Service (DaaS), cybersecurity, and business continuity for small and mid-size businesses across the United States.
Cloud ComputingCybersecuritySaaS
UMPG Audio Branding (formerly Elias) is an audio branding studio that develops custom sonic identities, mnemonics, and original scoring for brands through a strategy-led process.
Creator EconomyMarketing TechMedia & Entertainment
Cable company offering cable television, telephony and high-speed Internet services in suburban Kansas City
Family Entertainment Holdings is an entertainment holding company that develops family-oriented live events, including the Magic of Lights holiday drive-through experience and licensed Mattel productions such as Hot Wheels Monster Trucks Live and the Hot Wheels Stunt Show.
ConsumerMedia & EntertainmentWoodstock, US
FMC Global Sat (MTN) provides managed satellite internet and wireless connectivity solutions, including its StarEdge multi-network system combining LEO, VSAT, 5G/4G-LTE, and near-shore Wi-Fi with automatic failover.
EnergyEnterprise SoftwareSpace TechFort Lauderdale, US
Adam Ferguson(Chief Technology Officer)Robert Kubat(Chief Financial Officer)Emmanuel Cotrel(Chief Executive Officer)Chris MacDonald(Chief Operating Officer)
BoardEdward M Stern(Director)
Healthcare Linen Services Group (HLSG) provides outsourced healthcare linen products and commercial laundry services to healthcare facilities.
Healthtech
Joseph LaPorta(CEO)
Co-investorsSterling GroupThompson Street Capital Partners
Platform formed to pursue opportunities in the radio sector through consolidation and operational improvements
Provider of high-speed data communications services using Digital Subscriber Line technology
MediaBrains operates a network of industry-specific B2B trade directory websites that connect business buyers with vendors, products, and services.
AdTechB2B MarketplacesMarketing Tech
Owner of cable systems in and around Lake Winnipasaukee, New Hampshire
Independent local exchange carrier offering cellular, cableTV, paging and Internet services
MTN provides fully managed satellite internet and wireless connectivity solutions—combining LEO, VSAT, 5G/4G/LTE, and near-shore Wi-Fi networks with automatic failover—for the maritime, enterprise, and energy industries.
Enterprise SoftwareIoTSpace Tech
Municipal Communications is a wireless communications infrastructure provider that develops cell towers and wireless facilities for wireless carrier clients across the United States.
GovTechHardwareIoTAtlanta, US
Direct response marketing services platform focused on direct response television and online lead generation industries
Largest 24 hour sports talk radio network in the US with owned and operated AM radio stations
Independent local exchange carrier offering telephone, cable television, long distance and Internet access services
Market leader in community application software and outsourced online community management services
Provider of online learning solutions guiding Global 2000 companies in creating extended learning exchanges through the Web
Pearl Media provides premium out-of-home advertising inventory placed in high-traffic neighborhoods of major cities.
AdTechMarketing TechMedia & Entertainment
Quality Uptime Services provides UPS and battery maintenance, repair, and emergency service programs for mission-critical facilities such as data centers, servicing all major OEM equipment.
EnergyEnterprise SoftwareHardware
Independent local exchange carrier offering local and long distance telephone service, cable television and high speed Internet access
Leading provider of library automation using advanced technology to provide information systems for libraries, businesses and archives
Developer, acquirer and operator of communications towers in Georgia, Florida, North Carolina, South Carolina and Tennessee
Provider of comprehensive suite of e-products and services to the meeting and events industry
Co-investorsStrattech Partners, LLC
Publisher of Metro Community News and advertising newspapers delivered to households across multiple states
Provider of carrier neutral co-location facilities for telecommunications companies in major US and European cities
Developer of enterprise quality broadband service providing two-way connection from end-user premises to the Internet at or above T-1 speeds
Owner, developer and purchaser of communication towers in Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island and Vermont
Publisher of national trade magazines and producer of trade shows and events across natural products, telecommunications, and lifestyle sectors
Co-investorsOak Investment Partners
Entity formed to purchase and operate LMDS spectrum
InsurTech
Exits · 3
IPOs and acquisitions across the tracked portfolioStarCiteacq. by The Active NetworkSurgient Networksacq. by Quest SoftwareWorley Claims Servicesacq. by Alacrity Solutions
Portfolio news
latest coverage across their companiesPearl Media · oohtoday.com · Aug 10, 2026
CyberlinkASP · focusbankers.com · Mar 3, 2026
Frequently asked questions
- How many investments has Seaport Capital made?
- Seaport Capital has 55 tracked investments, 3 of which have exited via acquisition or IPO.
- What stage does Seaport Capital invest at?
- Seaport Capital invests at the Seed, Growth, Late Stage stages.
- What is Seaport Capital's typical check size?
- Seaport Capital typically writes checks of $10M – $40M.
- What sectors does Seaport Capital focus on?
- Seaport Capital focuses on Data & Infrastructure, Enterprise Software, Media & Entertainment.
- Where is Seaport Capital located?
- Seaport Capital is headquartered in New York, US.
- Does Seaport Capital lead rounds?
- Yes, Seaport Capital leads investment rounds.
- Who does Seaport Capital co-invest with?
- Seaport Capital most often shares deals with Oak Investment Partners, Sterling Group, Strattech Partners, LLC, among 4 tracked co-investors.
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