Seaport Headquarters & Office Locations

Date August 23, 2025
S

Seaport

LOCATION

360 Madison Avenue, 22nd Floor, New York, NY, USA

Seaport Capital Headquarters and Office Locations

Seaport Capital is a lower middle market buyout firm established in 1997 by Anton D. Nikodemus. Operating within the finance, venture capital, and private equity industry, Seaport Capital focuses on investments in communication infrastructure, business and information services, and media companies. The firm provides both financial and operational resources to help businesses grow, typically investing between $10 and $40 million of equity into companies generating EBITDA between $3 and $15 million. Seaport Capital employs 19 people, while its affiliate, Seaport Group, has 85 employees.

Seaport Capital has developed a robust network of offices and maintains a significant global footprint. The primary Seaport Capital corporate office is located in New York City, serving as the main point for its investment activities and business operations. In addition to its New York headquarters, the company has expanded internationally with a major presence in London and Singapore, and operates numerous satellite offices throughout the United States, Latin America, the Caribbean, and APAC regions. This broad network supports Seaport Capital’s ambition to deliver value and growth opportunities both domestically and globally, with a strategic approach towards the communication infrastructure and maritime sectors.

Office Locations

Headquarters

The principal Seaport Capital headquarters address is located at 360 Madison Avenue, 22nd Floor, New York, NY 10017, United States. This flagship office sits in the Midtown Manhattan business district, positioning Seaport at the center of the finance industry and facilitating access to key investment partners. The Seaport Capital headquarters serves as the main hub for executive leadership, core investment activities, and client relations.

London, United Kingdom

The London office is Seaport Capital’s International HQ, situated at Charles House, 7th Floor, 5-11 Regent Street, St James, London SW1Y 4LR, UK. This office allows Seaport Capital to strengthen its European market presence and better serve global clients from a strategic financial center.

Costa Mesa, United States

Located at 3090 Bristol Street, Suite 400, Costa Mesa, CA 92626, this Seaport Capital office anchors the firm’s West Coast operations, providing investment services and outreach to portfolio companies and clients throughout California.

San Francisco, United States

This office, at 580 California Street, Suite 1606, San Francisco, CA 94104, enhances Seaport Capital’s connectivity to the tech ecosystem and venture community in the Bay Area.

Greenwich, United States

Located at 2 Greenwich Office Park, Suite 150, Greenwich, CT 06831, the Greenwich office supports regional investment activities and offers direct access to clients and partners in the Connecticut area.

Miami Beach, United States

At 407 Lincoln Road, Suite 502, Miami Beach, FL 33139, this office extends Seaport Capital’s reach into the Southeast US and Latin American markets.

West Palm Beach, United States

222 Clematis Street, Suite 200, West Palm Beach, FL 33401, serves as another strategic Florida location, further supporting operations in the region.

Jacksonville, United States

At 245 Riverside Ave, Jacksonville, FL 32204, this office acts as a regional base for investment operations in the Southeast.

Chicago, United States

The Chicago office is located at 190 South LaSalle Street, Suite 570, Chicago, IL 60603, tapping into the Midwest’s financial and business sectors.

New Orleans, United States

650 Poydras Street, Suite 2715, New Orleans, LA 70130, hosts Seaport Capital’s Gulf Coast operations, supporting clients in the maritime and energy industries.

Montauk, United States

This office at 83 South Elmwood Ave, 2nd Floor, Montauk, NY 11954, underpins Seaport Capital’s regional interests and services.

Wayne, United States

353 West Lancaster Ave, 3rd Floor, Wayne, PA 19087, offers a base for operations in Pennsylvania and the broader mid-Atlantic area.

Charleston, United States

Located at 315 King Street, Apt 201, Charleston, SC 29401, this office enables Seaport Capital to engage more closely with the Southeastern market.

Houston, United States

712 Main St, Suite 920, Houston, TX 77002, serves Seaport Capital’s interests in energy and maritime investment sectors.

Middlebury, United States

The Vermont office, located at 73 Main Street, 2nd Floor, Middlebury, VT 05753, provides access to North East opportunities.

Dubai, United Arab Emirates

Office 9, Level 9, Tower 1, Al Fattan Currency House, PO Box 506990, DIFC, Dubai, UAE, supports Seaport Capital’s presence in the Middle East, overseeing regional financial service operations.

Singapore, Singapore

Level 19 Unit 1937 Singapore Land Tower, 50 Raffles Pl, Singapore 048623, is the hub for APAC operations, including liquidity and financial services.

Miami, United States (Seaport Agencies HQ)

Suite 805, 1110 Brickell Avenue, Miami, FL 33131 serves as the Seaport Agencies headquarters for its maritime transportation division.

Aruba, Aruba

Italiestraat #38, Oranjestad, Aruba, is home to a regional Seaport Agencies office focused on shipping agency operations.

Freeport, Bahamas

Located at West Mall Drive, Office No. 6, Executive Office Center, P.O Box: F-40553, Freeport, Grand Bahama, Bahamas, this office manages the company’s Bahamas shipping agency and client services.

Bonaire

Kaya Gob. N.Debrot No 67, Harbour Village Marina, Bonaire, provides services as a Seaport Agencies shipping agency office.

Curacao, Netherlands Antilles

Fokkerweg 26, Unit 202, Curacao, Netherlands Antilles, houses another shipping agency office for regional maritime clients.

Dominican Republic

Seaport Hub Agencies Dominican Republic (SEAHUBDR), S.R.L, manages Seaport Agencies’ Dominican operations in shipping.

Houston, United States (Seaport Agencies)

5353 W. Alabama St. Suite 580, Houston, Texas 77056 expands shipping-agency and maritime services.

Lake Charles, United States

5353 West Alabama, Suite 580, Houston, Texas 77056, serves as a logistics and shipping operations office.

Miami, United States (Shipping Agency Office)

1110 Brickell Av. Suite 805, Miami, Florida 33131, supports shipping agency and maritime logistics.

Jacksonville, United States (Shipping Agency Office)

6054 Arlington Expressway, Suite 1, Jacksonville, Florida 32211-7177, serves clients in Florida’s maritime sector.

New Orleans, United States (Shipping Agency Office)

2000 Old Spanish Trail, Suite 100, Slidell, LA 70458-8674, supports shipping and port agency activities.

New York, United States (Shipping Agency Office)

Metro Middlesex Plaza 200 Middlesex Essex Tpke, Suite 203B, Iselin, New Jersey 08830-2033, supports shipping agency clients in the Northeast.

Pascagoula, United States

761 Market Street, Pascagoula, MS 39567-6664, supports logistics and shipping agency services along the Gulf Coast.

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