Federal contractor profile

CONSTANT SYSTEMS LIMITED

UEI Y4TDH5NFB5D1CAGE U2HR8Company website ↗

Active

Overview

Legal name: CONSTANT SYSTEMS LIMITED
Registered location: DAVENTRY, GBR
Website: Company website ↗
Primary NAICS: 334516 — Analytical Laboratory Instrument Manufacturing
Latest award activity: Jul 14, 2026

Read company summary

CONSTANT SYSTEMS LIMITED is associated with UEI Y4TDH5NFB5D1 and CAGE U2HR8 in public federal records. AcornBids currently links 1 prime award totaling $33.8K in obligations to this entity. Its largest recorded federal customer by obligations is Department of Health and Human Services. Its recorded federal awards include work classified as Analytical Laboratory Instrument Manufacturing. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 334516 (Analytical Laboratory Instrument Manufacturing). Its public SAM.gov registration lists DAVENTRY, GBR.

At a glance

Lifetime prime obligations$33.8K

Prime awards1

Awards with future end dates1

Top-agency concentration100.0%

Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Sep 28, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name: CONSTANT SYSTEMS LIMITED
UEI: Y4TDH5NFB5D1
CAGE: U2HR8
Registered address: 11 LOW MARCH INDUSTRIAL ESTATE LOW MARCH, DAVENTRY, NN11 4SD, GBR
Registration status: Active
Primary NAICS: 334516 — Analytical Laboratory Instrument Manufacturing
SAM activation: Jun 9, 2026
Initial registration: Jun 4, 2026
Entity start: Oct 18, 1989
SAM updated: Jun 9, 2026
Registration expires: Jun 9, 2027
Fiscal year end: Dec 31
Place of incorporation: GBR

View SAM.gov source

Federal award analysis

Net transaction obligations by federal fiscal period.

Transaction history is not available in the loaded data. Annual funding is not estimated from current award totals.

Recent federal awards

Prime contract awards. Select an award to review its history and source evidence.

Award / description	Awarding agency	Obligations	Start date	End date
75N98026P01022NIDDK: 1. ONE SHOT 40KPSI 2. ONE SHOT 110V 60HZ 3. TRAINING AND INSTALLATION	Department of Health and Human Services	$33.8K	Jul 17, 2026	Jul 16, 2027

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Upcoming positioning windows

Modeled recompete windows are estimates, not announced solicitations or guarantees.

NIDDK: 1. ONE SHOT 40KPSI 2. ONE SHOT 110V 60HZ 3. TRAINING AND INSTALLATION

Department of Health and Human Services$33.8K obligationsEnds Jul 16, 202760% recompete estimate

Registration, certifications & contacts

Registration evidence	Date
SAM updated	Jun 9, 2026
Source loaded	Sep 26, 2026
Initial registration	Jun 4, 2026
Entity start	Oct 18, 1989

Industry	Reported size status
334516 — Analytical Laboratory Instrument Manufacturing	Not reported

Contact	Role	Published contact methods	Evidence	Source date
RICHARD P MALLABAR	Government business	Contact method not published	SAM registration	Not available
RICHARD P MALLABAR	Electronic business	Contact method not published	SAM registration	Not available

Registered industries

334516 — Analytical Laboratory Instrument Manufacturing

Registered products and services

6640 — Laboratory Equipment and Supplies
J066 — Maintenance, Repair and Rebuilding of Equipment: Instruments and Laboratory Equipment
N066 — Installation of Equipment: Instruments and Laboratory Equipment

Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source