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SEMPER OFFSHORE LLC (MA)

Registration facts

SAM.gov registration as of

SAM.gov registration
Active
Registration expiration date Jun 18, 2027

Registration

Entity structure
Sole Proprietorship
Business start date
Oct 7, 2019 (7 years)
State
MA

Source: SAM.gov entity registration for SEMPER OFFSHORE LLC. Contact details and street address are not published for this record.

Performance

Capabilities

NAICS codes

Show all 13 NAICS codes

Small: small business for that NAICS, self-certified in SAM.gov registration.

SBA certifications

No certification in the SBA profile data.

Business types self-reported in SAM.gov registration:

  • Veteran-Owned Business

Federal Capability Statement

Semper Offshore operates commercial vessels that perform many types of marine services; marine construction, scientific and military research, geophysical survey work. Semper Offshore has extensive experience working with global companies including Orsted, Excelerate Energy, WHOI, Engie, General Dynamics, Raytheon, USGS, Navy-NUWC, Tetra Tech, and JHU-Applied Sciences. Our vessels are operated by the best trained crew available. Each with years of experience on many highly complex projects along the eastern seaboard. We operate under a unique Management System that maintains the highest standards for safety, environment, and quality. Our vessels are outfitted to meet SOLAS standards and are USCG certified. They are also inspected by ABS, OVID, and CMID. Semper is based in Charlestown, MA where we have shore support for dockage, crane service, warehousing, and staging facilities. We have partnered with other shore facilities in MA, Rhode Island, Connecticut, NY, NJ, and Virginia.

Capabilities & Services

Marine
Construction
demolition
offshore
dive support
support vessel
material and equipment transportation
inspection
repair
review
marine research
offshore monitoring
offshore emergency repair
commercial support
defense support
power and energy
scientific research support

Contracts

Additional Details

As of . Source: SAM.gov Entity Registration.

SEMPER OFFSHORE LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires June 18, 2027.

Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.

Compliance & Risk Assessment

Source: SAM.gov FAR responses

Suspension/Debarment Status

SAM.gov registration reports no active exclusion

Public Display

Entity information is publicly displayed

Disaster Relief Registry

Registered for disaster relief contracting

Bonding Information

No bonding information provided

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Profit Structure:For Profit Organization
Organization:Limited Liability Company

Registration Details

Source: SAM.gov

Initial Registration

Feb 19, 2020

Last Update

Jun 23, 2026

Registration Activation

Active — Jun 23, 2026

Fiscal Year End

12/31

Country of Incorporation

USA