Cay Electronics

What Cay Electronics does

Cay Electronics is a privately held marine and mobile systems engineering company that designs, supplies, installs, and services electrical and electronic systems for vessels, recreational vehicles, and off-grid applications. Founded circa 1984 and headquartered in Portsmouth, Rhode Island with a regional office in Tortola, British Virgin Islands, the firm operates as Cay Electronics Inc (USA) and Cay Electronics Ltd (BVI). It serves private boat owners, boatbuilders and yards, commercial operators, and superyacht owners and captains primarily in New England, the Caribbean, and worldwide on a dispatch basis, and has expanded into van/RV and commercial off-grid power segments.

The company's core technology centers on integrated marine electronics and power management: navigation and communication systems, autopilots, radar, sonar, AIS, vessel monitoring, digital switching, lithium battery banks, inverters, chargers, solar charge controllers, and satellite connectivity (Starlink, Iridium). Proprietary capabilities include custom CAD-based system drawings that auto-generate bills of materials and wire lists, and satellite-enabled remote troubleshooting. Cay Electronics holds authorized dealer or distributor relationships with eight leading manufacturers, including Raymarine (Premier Dealer), Garmin, B&G, Furuno, Victron Energy, Mastervolt, CZone, and Solbian, and employs NMEA- and ABYC-certified technicians.

Revenue is generated through six streams: equipment sales and distribution (hardware resale), professional installation services, on-site service and repairs, custom system design (CAD), consulting, and commissioning including sea trials and training. Pricing is quote-based for installations and time-and-materials for non-quoted labor, with travel billed from shop departure to return and travel time exceeding four hours invoiced at half rate. The go-to-market motion is enterprise field sales delivered by certified technicians at customer locations, supplemented by an e-commerce storefront (caystore.us) for direct equipment purchases. Ownership appears to be family-operated, with Rufus Van Gruisen as Company President and Rogan Van Gruisen as Installations Department Manager.

Name

Cay Electronics

Legal name

Cay Electronics Inc

Website

https://cayelectronics.com

Company type

Private

Founded year

1984

Operating status

Operating

Headcount range

11–50 employees

Short description

Cay Electronics is a marine and mobile systems engineering firm that designs, supplies, installs, and services electrical and electronic systems for vessels, RVs, and off-grid applications, operating from Portsmouth, Rhode Island and Tortola, British Virgin Islands as an authorized dealer for leading manufacturers.

Ownership category

akta.pro rank

Product category

Marine Electronics and Systems Engineering Services

NAICS

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600), Industrial Instruments For Measurement, Display, And Control (3823), Wholesale-Electronic Parts & Equipment, Nec (5065), Electronic Components & Accessories (3670)

akta.pro primary industry

Marine Electrical Installation, Commissioning & Field Services (IMAJAJAL)

akta.pro secondary industries

Integrated Marine Electrical Systems & Switchboards (IMAJAJAA), Electrical Engineering & Power Distribution (Generation, Switchboards, Cabling, Lighting) (IMAJAGAF), Automation, Controls & Instrumentation Engineering (IAS, PMS, Control Logic) (IMAJAGAG), Electrical, Automation & Control Systems (Power, PLC/SCADA, Navigation/Comms Integration) (TLAHAMAE)

Keywords

• Marine electronics
• Marine systems engineering
• Vessel electrical systems
• Marine navigation equipment
• Marine power management

Headquarters

HQ city

Portsmouth

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Equipment Sales and Distribution: Sales of marine electrical and electronic equipment as authorized dealers and distributors for top manufacturers including Raymarine, Garmin, B&G, Furuno, Victron, Mastervolt, CZone, and Solbian. Products include navigation systems, power management, communication equipment, and audio/video systems.
2. Installation Services: Professional installation of electrical and electronic systems performed by certified technicians. Services include navigation, communication, power management, and electrical system integration for vessels.
3. Service and Repairs: On-site repairs, troubleshooting, and maintenance for all marine electronics and electrical systems. Includes dockside support across New England, the Caribbean, and worldwide locations.
4. System Design: Custom CAD drawings and system design services for vessels, including bills of materials and wire lists generation. Tailored solutions for new builds and refits.
5. Consulting: Expert guidance for owners, builders, and yards on system selection, project planning, and problem solving for marine electrical and electronic systems.
6. Commissioning: System calibration, configuration, sea trials, and hands-on training services to ensure equipment optimization and operational readiness.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Cay Electronics is a marine and mobile systems engineering company that sells, designs, installs, commissions, and services electrical and electronic systems on powerboats, sailboats, superyachts, commercial vessels, and RVs/vans. The company operates as an authorized dealer for leading marine electronics brands (Raymarine, Garmin, B&G, Furuno, Victron, Mastervolt, CZone, Solbian) and supplements equipment sales with custom CAD-based system design, certified installation, sea-trial commissioning, and worldwide dockside repairs.

Product overview

Cay Electronics is a marine and mobile systems engineering company offering a comprehensive portfolio of products and services. Their core offering consists of authorized dealer relationships with leading marine electronics brands including Raymarine (navigation, radar, autopilots), B&G (sailing-specific electronics), Garmin (sonar, radar, multifunction displays), Furuno (navigation, fishfinding), CZone (digital switching), Mastervolt and Victron (power management, lithium batteries, inverters), and Solbian (solar panels). The company provides professional services including Consulting, System Design, Equipment Supply, Installation, Commissioning, and Service & Repairs. Products span navigation/charting, autopilots, radar, sonar, vessel monitoring, electrical systems (lithium batteries, solar, inverters, digital switching), communications (VHF, satellite TV, AIS, Starlink, Iridium), and audio/video systems. All services are delivered by NMEA and ABYC certified technicians with over 40 years of experience.

Differentiator

Problem solved

Functional benefit

Products and services

• Marine Systems Consulting

Quantifiable outcome

• 12-month installation warranty in addition to manufacturer equipment warranty
• +1 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Eight partnerships are on record, tiered core.

• RaymarinecoreChannel Partner/ Reseller/ DistributorAuthorized Premier Raymarine Dealer. Cay Electronics sells, installs, and services Raymarine marine electronics including chartplotters, radar systems, autopilots, and sonar equipment. Raymarine specializes in navigation and marine electronics designed for reliable performance.
• Victron EnergycoreChannel Partner/ Reseller/ DistributorAuthorized Victron Distributor. Cay Electronics offers Victron power management products including lithium batteries, inverters, chargers, and solar charge controllers designed for flexibility and durability in marine environments.
• B&GcoreChannel Partner/ Reseller/ DistributorAuthorized B&G Dealer specializing in sailing electronics including chartplotters, instruments, and sailing computers. B&G products are designed specifically for sailing with features like wind optimization and race tools.
• MastervoltcoreChannel Partner/ Reseller/ DistributorAuthorized Mastervolt Distributor providing lithium batteries, inverters, and power supplies for marine applications. Mastervolt specializes in reliable power solutions designed for efficiency and seamless integration.
• GarmincoreChannel Partner/ Reseller/ DistributorAuthorized Garmin Dealer offering Garmin marine electronics including sonar, radar, and multifunction displays. Garmin is known for innovative marine technology with reliability and ease of use.
• CZonecoreChannel Partner/ Reseller/ DistributorAuthorized CZone Distributor specializing in digital switching systems. CZone provides displays, control modules, and keypads that simplify complex onboard electrical systems into intuitive interfaces.
• FurunocoreChannel Partner/ Reseller/ DistributorAuthorized Furuno Dealer providing Furuno marine electronics including navigation, radar, and fishfinding equipment. Furuno is trusted for precision and performance in both recreational and commercial vessels.
• SolbiancoreChannel Partner/ Reseller/ DistributorAuthorized Solbian Distributor offering flexible, lightweight solar panels for marine, mobile, and off-grid applications. Solbian panels use SunPower cells with 24% efficiency for maximum power output.

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Atlantic Marine Electronics: East Coast marine electronics installer and service provider offering similar navigation, communication, and electrical integration services to private and commercial vessels. Directly comparable business model (sales, installation, service) and overlapping customer base in the U.S. Northeast.
• Maritime Electronics Services: Marine electronics installation, integration, and repair provider serving recreational and commercial vessel operators. Comparable scope across consulting, design, and commissioning work.
• Yacht Marine Electronics: Independent marine electronics installer/dealer providing Raymarine, Garmin, and similar-brand sales along with custom installation and repair services to yacht owners. Closely aligned service-led business model and customer profile to Cay.

Emerging players

• Lumishore: Specialty marine LED lighting manufacturer with overlap on vessel-system integration, particularly for superyacht and high-end recreational segments. Niche product focus rather than full-line installer model.
• Siren Marine: Connected-boat vessel-monitoring and IoT provider. Overlaps with Cay's vessel-monitoring and remote-diagnostic offerings, but as a software/IoT specialist rather than a hardware integrator.

Broad incumbents

• MarineMax: Largest U.S. recreational boat dealer with in-house marine service operations. Comparable end-customer base (private boat owners, yacht buyers) and overlapping service categories, though MarineMax's primary business is vessel sales rather than electronics specialization.
• West Marine: Largest U.S. marine retail chain with growing installation and service capabilities. Overlaps with Cay on equipment sales (same brands) and increasingly on professional installation services, but operates at much greater scale and a much broader product portfolio.

Others

• Raymarine: Marine navigation-electronics manufacturer; Cay is a Premier Raymarine Dealer. Overlapping product category (autopilots, radar, chartplotters) and end-customers, but Raymarine is a supplier-partner rather than a service competitor.
• Victron Energy: Power-management systems manufacturer (lithium batteries, inverters, solar charge controllers) for which Cay is an authorized distributor. Overlaps with Cay's marine power-management service line as a supplier rather than a competitor.
• Garmin Marine: Marine electronics manufacturer and Cay authorized-dealer partner. Operates in the same product category (chartplotters, radar, sonar) and shares end-customers, but is a supplier/enabler rather than a direct competitor in installation services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/CayElectronics
• LinkedInlinkedin.com/company/cay-electronics-inc

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Cay Electronics