Stewart-Macdonald

What Stewart-Macdonald does

Stewart-MacDonald Manufacturing Company, Inc., operating as StewMac, is a privately held specialty retailer and manufacturer founded in 1968 and headquartered at 21 N Shafer St., Athens, Ohio. The company serves luthiers, instrument builders, repair shops, and serious DIY musicians with a comprehensive catalog spanning six core categories: luthier tools and supplies, parts and hardware, tonewoods, electronics, DIY kits and projects, and strings and accessories. The portfolio combines proprietary own-brand products — including StewMac-branded hardware (tremolos, bridges, tailpieces), StewMac Pedals (boutique guitar effects), WOODSTAX tonewoods, ColorTone lacquers, Valve Factory amplifier kits, and Five-Star finishing products — alongside curated third-party brands. Operations are anchored on a direct-to-consumer e-commerce model through stewmac.com, supported by localized storefronts in Spanish, French, and German, a B2B wholesale program for dealers and shops, and the StewMAX annual membership offering free shipping. The company complements its product business with an extensive educational content library, including the Trade Secrets video series, wiring diagrams, and technical calculators, positioning itself as a one-stop knowledge and supply resource for the luthier trade. Distribution is global, with data stored on U.S. servers and compliance posture covering CCPA, COPPA, and WCAG 2.1 A/AA accessibility.

Name

Stewart-Macdonald

Legal name

Stewart-MacDonald Manufacturing Company, Inc.

Website

https://stewmac.com

Company type

Private

Founded year

1968

Operating status

Operating

Headcount range

101–250 employees

Short description

Stewart-MacDonald (StewMac) is a privately held specialty retailer and manufacturer, founded in 1968 and based in Athens, Ohio, supplying luthiers, instrument builders, repair shops, and DIY musicians globally with tools, hardware, tonewoods, electronics, kits, and educational content via e-commerce.

Ownership category

akta.pro rank

Product category

Luthier Tools and Instrument Building Supplies

NAICS

Musical Instrument Manufacturing (339992), Musical Instrument and Supplies Retailers (459140)

SIC

Musical Instruments (3931)

akta.pro primary industry

Audio Accessories & Consumables (Cables, Stands, Cases, Strings, Picks, Heads) (MPAIAJAF)

Keywords

• Luthier tools supplies
• Instrument repair parts
• Guitar building kits
• Tonewood products
• Musical instrument hardware

Headquarters

HQ city

Athens

HQ country

Greece

HQ region

Europe

Offices2 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Product Sales: Direct product sales through e-commerce platform including luthier tools, instrument parts, hardware, tonewoods, electronics, and kit projects. Mix of own-brand and third-party branded products.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Stewart-MacDonald (StewMac) is a specialty retailer and manufacturer that supplies luthiers, instrument repair shops, and guitar players with tools, parts, hardware, tonewoods, electronics, and DIY kits needed to build, repair, and maintain stringed instruments including guitars, basses, violins, banjos, mandolins, and ukuleles. The product mix combines StewMac's own branded tools, hardware, finishes, and pedals with curated third-party products. The company also produces free educational content through its Trade Secrets video series and technical guides.

Product overview

Stewart-Macdonald (StewMac) is a specialty retailer and manufacturer serving luthiers and guitar players with everything needed for building, repairing, and maintaining stringed instruments. The company operates primarily as an e-commerce platform offering its own branded tools, hardware, and electronics alongside curated third-party products. The core product portfolio spans six main categories: Luthier Tools + Supplies (professional-grade specialty tools organized by job and tool type), Parts + Hardware (replacement components organized by instrument), Tonewoods (premium instrument-grade wood via WOODSTAX brand), Electronics (amplifiers, pedals, pickups, and components with DIY kits), Kits + Projects (complete instrument-building and amplifier kits), and Strings + Accessories (strings, tuners, stands, and player gear). Notable proprietary brands include StewMac Pedals (boutique guitar effects), StewMac Hardware (tremolos, bridges, tailpieces), ColorTone Lacquers (guitar finishing products), and ELEVATE jigs. The company also provides free educational content through its Video + Ideas section featuring Trade Secrets tutorials and wiring diagrams. StewMac positions itself as a comprehensive one-stop shop for the luthier trade and serious DIY instrument builders.

Differentiator

Problem solved

Functional benefit

Brands

• StewMac: Primary brand name used for the company and its products
• WOODSTAX
• StewMAX
• StewMac Parts and Hardware
• ColorTone
• Valve Factory
• Five-Star

Products and services

• Luthier Tools + Supplies
• Parts + Hardware
• Tonewoods
• Electronics
• Kits + Projects
• Strings + Accessories
• ColorTone Finishing Products
• StewMAX Membership

Segments2 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

One partnership is on record.

• The Bureau of Internet AccessibilityminorImplementation/ SI/ Consulting PartnerEngaged for accessibility consulting to conduct full accessibility audit using BoIA's A11Y platform for WCAG 2.1 A/AA conformance

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Market position

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/stewmac_guitar
• Facebookfacebook.com/StewMac

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

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 Stewart-Macdonald