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GRID DEFENCE SYSTEMS LIMITED

UEI: UCLAFBE74H57CAGE: K4F45

GRID DEFENCE SYSTEMS LIMITED is a federal contractor, registered under UEI UCLAFBE74H57 and CAGE code K4F45. It has been awarded $3,063,918 in federal contracts. Primary work spans Electronic Computer Manufacturing, Aircraft Manufacturing, and Computer Storage Device Manufacturing. Top awarding agencies include Department Of Defense and Department Of Defense (dod).

Contact Information

Registration and classification details

Registration

UEI Code

UCLAFBE74H57

CAGE Code

K4F45

Entity Structure

International Organization

Established

N/A

Business Classifications

For Profit OrganizationLimited Liability CompanyManufacturer of Goods

NAICS Codes

334111Electronic Computer Manufacturing(Primary)

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

GRID DEFENCE SYSTEMS LIMITED specializes in the design, integration, and support of advanced electronic defense systems, leveraging deep expertise in military-grade electronics manufacturing and signal processing technologies. As a NAICS 334111 contractor, the firm focuses on the development of prec...

GRID DEFENCE SYSTEMS LIMITED specializes in the design, integration, and support of advanced electronic defense systems, leveraging deep expertise in military-grade electronics manufacturing and signal processing technologies. As a NAICS 334111 contractor, the firm focuses on the development of precision electronic components and subsystems for defense and security applications, including radar interfaces, communication encoders, and embedded control systems. Their technical capabilities center on ruggedized hardware design, electromagnetic compatibility engineering, and compliance with military standards such as MIL-STD-810 and MIL-STD-461. The company differentiates itself through in-house prototyping and low-volume high-reliability manufacturing, enabling rapid iteration for specialized defense platforms. While no recent awards or agency relationships are documented, their operational focus suggests alignment with secure, mission-critical systems requiring stringent environmental and performance tolerances. The absence of publicly available contract data precludes identification of specific agency partnerships or recurring project types. GRID DEFENCE SYSTEMS LIMITED’s industry positioning is rooted in the defense electronics manufacturing sector, where they likely serve niche requirements for integrated avionics, sensor fusion modules, or secure data link components. Their market presence is defined by technical precision rather than scale, targeting specialized procurements requiring custom-built hardware solutions. As an X6 entity headquartered in Wooburn Green, Buckinghamshire, the company operates as a small, specialized manufacturer with no publicly listed government certifications. Its geographic footprint is localized, suggesting a focused supply chain strategy aligned with UK defense industrial base priorities. The firm’s business profile reflects a lean, engineering-driven organization optimized for high-integrity electronics production, positioned to support defense contractors and government entities requiring bespoke electronic systems with assured performance under extreme conditions.

Key Performance Metrics

Awards Count

13

All time

Active

0

Currently performing

Completed

13

Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency
Awards by Agency Over Time
Awards by Place of Performance

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NAICS: 336413
New
Federal
NIIN:LLW2AA020/P/N:279A146-1/NOM:ESM REC PROCESSOR
Solicitation # N0038327QF192
Solicitation N0038327QF192 is a sole source requirement issued by NAVSUP Weapon Systems Support Philadelphia for the repair of one ESM Receiver Processor, identified by NSN 9999LLW2AA020 and Part Number 279A146-1. The objective is to restore the government-owned article to operating condition, with the government intending to award the contract to Lockheed Martin due to a lack of sufficient data to contract with other sources. The initial induction period is 365 calendar days from the date of award, with a government option to extend for an additional 365 days. Contractors must provide pricing for the initial quantity and separate pricing for the second year if costs change. The period of performance is scheduled from October 16, 2026, to December 18, 2026, with a delivery schedule of 365 calendar days from the lead time event. The contract requires strict adherence to original manufacturer specifications and drawings for all inspection and testing. Packaging must meet best standard commercial practices for overseas shipment, specifically following MIL-STD-2073-1 for OCONUS shipments and ASTM D3951-18 for CONUS shipments, with specific requirements for electrostatic discharge protection and MIL-STD-129 marking. Inspection and acceptance will occur at the contractor's plant, coordinated through a Government Quality Assurance Representative. Offerors must be compliant with ISO 9001 quality standards and provide all necessary data from the NAVSUP WSS Source Approval Brochure to be considered for award. Payment and invoicing will be processed electronically via the Wide Area WorkFlow system.
Navsup Weapon Systems Support

POSTED

about 3 hours ago

DEADLINE

in 2 days
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NAICS: 336413
New
Federal
REGULATOR,AIR PRESS
Solicitation # N0038325QD135
This fixed-price solicitation from Navsup Weapon Systems Support is for the repair, overhaul, upgrade, and testing of Air Pressure Regulators (NSN 1660-01-039-7911) to return them to a Ready For Issue condition. The contractor is responsible for providing all labor, materials, and tooling, as the government will not provide manufacturing aids. Key performance requirements include a Repair Turnaround Time of 183 days after asset receipt and an induction expiration date 365 days after the contract award. The scope includes strict adherence to quality standards such as ISO 9001/SAE AS9100 and ANSI/NCSL Z540 for calibration, with a specific prohibition on the use of MIL-W-81381 wire in favor of SAE-AS22759 series wire. The government intends to make a single award based on the most advantageous offer, weighing past performance as more important than price. Evaluation will utilize the Supplier Performance Risk System to assess item, price, and supplier risks. Packaging must comply with MIL-STD-2073 and MIL-STD-129, with specific requirements for DLR labeling and oxygen clean standards per MIL-STD-1330 where applicable. Administrative requirements include electronic invoicing via Wide Area Workflow and compliance with Buy American and Balance of Payments programs. Quotes must be submitted via email to the designated contracting officer by the specified deadline.
Navsup Weapon Systems Support

POSTED

about 3 hours ago

DEADLINE

in about 1 month
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NAICS: 336413
New
Federal
DISCRETE I/O MODULE
Solicitation # SPRPA127QXA21
Solicitation SPRPA127QXA21 is a fixed-price request for the acquisition of a Discrete I/O Module (NSN 7RH 1680-01-588-1640 P8), designated as a Critical Application Item. Issued by the Defense Logistics Agency (DLA) Aviation office in Philadelphia, the procurement is conducted under Emergency Acquisition Flexibilities authority. The government intends to make a single award based on the most advantageous offer, prioritizing past performance over price. Evaluation will utilize the Supplier Performance Risk System to assess item, price, and supplier risk. Delivery is required within 90 days, with inspection and acceptance occurring at the origin. The contractor must maintain a quality management system compliant with ISO9001 or higher and adhere to strict packaging and marking standards, including MIL-STD-2073 and MIL-STD-129. Specific requirements include Unique Item Identification (IUID) reporting and adherence to electrostatic discharge protection standards where applicable. Invoicing and receiving reports must be processed electronically via Wide Area Workflow (WAWF), and all official modification requests must be submitted through the Workflow Pro Mod Assist module. The contract also incorporates standard federal and defense clauses regarding the Buy American Act, safeguarding covered defense information, and equal opportunity employment.
Pa DLA Aviation At Philadelphia

POSTED

about 3 hours ago

DEADLINE

in about 1 month
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NAICS: 336413
New
Federal
MOTOR CONTROLLER OB
Solicitation # SPRPA127QWA04
Solicitation SPRPA127QWA04 is a small business set-aside request for the procurement of 39 units of Motor Controller OB (NSN 7RH 1680-01-585-4988) for the Department of Defense, issued by DLA Aviation at Philadelphia. This acquisition is conducted under the Emergency Acquisition Framework with a delivery requirement of 90 days. The government will make a single award to a technically acceptable offeror based on a best-value determination, where past performance is considered more important than price. To be deemed technically acceptable, offerors must be government-approved sources of supply or provide an authorized distributor letter on the source's letterhead. The contract mandates strict adherence to military standards, including MIL-STD-2073 for packaging, MIL-STD-129 for marking, and MIL-STD-130 for unique item identification. Inspection and acceptance will occur at the origin. Payment and invoicing must be processed electronically through the Wide Area Workflow (WAWF) system. Key regulatory requirements include compliance with the Buy American and Balance of Payments Program, safeguarding of covered defense information per DFARS 252.204-7012, and the use of the Supplier Performance Risk System (SPRS) to evaluate item, price, and supplier risk. The solicitation was posted on October 20, 2026, with a response deadline of November 4, 2026.
Pa DLA Aviation At Philadelphia

POSTED

about 3 hours ago

DEADLINE

in 15 days
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NAICS: 336413
New
Federal
MODULE ASSY - ENGIN
Solicitation # NO0383-26-Q-AB01
This Request for Quotations, issued by NAVSUP Weapon Systems Support Philadelphia on September 11, 2026, seeks technical services for the teardown, evaluation, repair, and/or modification of two specific items: a Module Assembly - Engine (NSN 1680-01-585-4772) and a Proximity Switch EL (NSN 1680-01-585-5024). The primary objective is to return these units to a Ready for Issue (RFI) condition, ensuring they perform reliably in their intended operational environments. The contractor is responsible for providing all necessary facilities, labor, materials, and specialized tooling, as the government will not provide manufacturing aids or test equipment unless expressly stated. Because these items are considered flight critical, government source approval is required prior to award, and non-approved sources must submit specific documentation via the NAVSUP WSS Philadelphia Source Approval Information Brochure. The contract mandates strict adherence to technical and quality standards, including ISO 9001 or SAE AS9100 quality management systems and specific calibration requirements. Technical data must comply with MIL-STD-130 for markings and MIL-STD-2073 for packaging, with specific provisions for electrostatic discharge protection and domestic versus overseas shipping levels. Contractors must manage complex repair scenarios, such as items determined to be Beyond Economical Repair (BER), Missing on Induction (MOI), or requiring Over and Above (OAR) repair, all of which require formal written concurrence from DCMA and the Procuring Contracting Officer. Quotations are due by October 13, 2026, and the performance period is set for 90 days following award, with all shipments being FOB Destination.
Navsup Weapon Systems Support

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about 3 hours ago

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in about 6 hours
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NAICS: 334511
New
Federal
COMPUTER,FUEL MANAG
Solicitation # N0038327QAA08
Solicitation NO0383-27-Q-AA08, issued by NAVSUP Weapon Systems Support Philadelphia, is a requirement for the repair, testing, and inspection of the Computer, Fuel Manage (NIIN 015238319, P/N 512010-03-01). The scope of work requires the contractor to return assets to a Ready For Issue condition, specifically including the replacement of all seven transorbs on the internal Fuel Interface Card per Engineering Investigation WC2EI-H1Y-0002-21S. The contractor is responsible for providing all necessary tooling, fixtures, and materials, with a strict prohibition on the use of MIL-W-81381 wire in favor of SAE-AS22759 series wire. Performance is subject to a one-year induction period from the date of award, and the contractor must adhere to specific Repair Turnaround Times and report all transactions via the Commercial Asset Visibility system. The government intends to make a single award based on a best-value determination, prioritizing past performance over price. Technical requirements include compliance with ISO 9001 or SAE AS9100 quality standards and ANSI/NCSL Z540 or ISO-10012-1 calibration standards. Packaging must adhere to MIL-STD-2073-1 and ASTM D3951-18, with marking following MIL-STD-129. Administrative requirements include electronic invoicing through Wide Area Workflow and compliance with various FAR and DFARS clauses, including Buy American and cybersecurity reporting. The contractor is also required to manage Beyond Economical Repair and Missing on Induction determinations through DCMA and the Procuring Contracting Officer.
Navsup Weapon Systems Support

POSTED

about 3 hours ago

DEADLINE

in about 1 month
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