Constant Systems Limited
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2026
- $101.22K
- $101,222under this UEI
- FY2026 obligations
- $101.22K†
- $101,222Provisional
- Awards and orders
- 2
- with positive net obligations
- Latest action
- Sep 28, 2026
- SAM.gov registration
- Active
- Registration expiration date Jun 9, 2027
Registration
- Entity structure
- Partnership or Limited Liability Partnership
- Business start date
- Oct 18, 1989 (37 years)
- Location
- Daventry
- Purpose of registration
- All Awards
- Website
- constantsystems.com
† FY2026 obligations (provisional; DoD awards signed after Jul 26, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI Y4TDH5NFB5D1. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2026. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: $101,222 (provisional)
Total across 1 fiscal year: $101,222
Top awarding agencies
- Department of Health and Human Services$101,222, 100%
Top awarding sub-agencies
- National Institutes of Health$101,222, 100%
Top NAICS by obligations
- 334516Analytical laboratory instrument manufacturing$101,222, 100%
Top product and service codes by obligations
- 6640Laboratory equipment and supplies$101,222, 100%
Capabilities
NAICS codes
SBA certifications
No certification in the SBA profile data.
Product and service codes (PSC)
- 6640LABORATORY EQUIPMENT AND SUPPLIES
- J066MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- INSTRUMENTS AND LABORATORY EQUIPMENT
- N066INSTALLATION OF EQUIPMENT- INSTRUMENTS AND LABORATORY EQUIPMENT
Contracts
Latest awards and orders
- 75N98026P01931Purchase orderDepartment of Health and Human ServicesNational Institutes of HealthLatest action
- 75N98026P01022Purchase orderDepartment of Health and Human ServicesNational Institutes of HealthLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for Constant Systems Limited lists a physical address and a separate mailing address, along with 2 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
11 Low March Industrial Estate Low March
Daventry, NN11 4SD
GBR
Mailing Address
11 Low March Industrial Estate Low March
Daventry, NN11 4SD
GBR
Government Business Contact
Richard P Mallabar
Managing Director
Constant Systems Limited
11 Low March, Daventry
Daventry, NN11 4SD
GBR
Electronic Business Contact
Richard P Mallabar
Managing Director
Constant Systems Limited
11 Low March, Daventry
Daventry, Northamptonshire, NN11 4SD
GBR
Additional Details
As of . Source: SAM.gov Entity Registration.
Constant Systems Limited has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires June 9, 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 responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation