Full Service Jewelry Manufacturing
We’re a woman-owned custom jewelry manufacturing company headquartered in New York. We fabricate fine and fashion jewelry for some of the nation’s most prominent retailers, brands, designers, and content creators, serving as a trusted production partner from concept through completion.
Our Clients Have Been Featured In
Madison 501 is a premier jewelry manufacturing and production firm based in New York. Founded by industry veteran Karen Taub, we bring over 40 years of experience helping retailers, designers, content creators, and brands—from multinational department stores to fast-growing startups—launch and scale successful collections.
We’re Not Your Typical Jewelry Manufacturer
Our hands-on approach, deep expertise, and trusted global network make us more than a jewelry manufacturer—we’re a true creative and strategic partner. We combine creative development with decades of manufacturing expertise.
Whether you’re developing your first SKU or scaling a multi-category assortment, we’re here to bring your vision to life— seamlessly, strategically, and at scale
“Karen is extraordinary in both character and capability.
Her passion, knowledge, and dedication are truly boundless, and she brings care, precision, and excellence to everything she does.”
jill / by jill martin
WHY MADISON 501
We make building your jewelry brand seamless.
We are a US based jewelry manufacturing and production firm that partners closely with brands from concept through production. Whether you are launching your first product or expanding an established line, we support each stage with clarity, consistency, and long term perspective.
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Decades of experience
With over 40 years in the industry, we’ve helped shape collections across every corner of the jewelry market. From fine to fashion jewelry, we know what sells and how to make it happen.
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True end to end partnership
We manage every step of the process, from early sketches to final packaging and delivery. With capabilities that span everything from precious metals to playful materials, our process is
designed to reduce stress, eliminate guesswork, and move at your pace. -
Trusted by industry leaders
We’ve worked with global retailers, fast-growing brands, and trendsetting creators. While client relationships remain confidential, collections we have produced have been featured on Oprah’s Favorite Things and across major retail and media platforms.
Our Capabilities
From precious metals to playful finishes, our capabilities span nearly every material, method, and detail you can imagine
- Fine & Fashion Metals
- Gem & Stone Sourcing
- CAD Renderings
- Design
- Enamel
- Engraving
- Wax Modeling
- Stone Setting
- material sourcing
- Soldering
- laser cutting
- Resin, Acrylic & Beads
If you don’t see it here, just ask. We’ve probably done it – and if not, we’ll find a way
Who We Work With
From multinational retailers to designers creating their first piece, we partner at every stage to bring custom jewelry to market.
Retailers
From multinational department stores to independent retailers, we create custom pieces that resonate with your specific customer.
Designers
Whether you're sketching your first piece or scaling your signature look, we help designers turn inspiration into reality.
Brands
We help lifestyle and fashion brands expand into jewelry with on-brand, scalable collections designed for your customer.
Content Creators
You bring the audience—we build the infrastructure. From idea to launch, we make custom jewelry lines a reality.
Licensing
From sports teams to film premieres, we produce custom jewelry for high-visibility partnerships.
Our Process
We’re your behind-the-scenes production team, bringing your vision to life from start to finish.
Inspiration
Share your references, sketches, or ideas
Design
Our team of designers creates renderings and refines them based on your feedback
Sampling
You review physical samples and make refinements before we move forward with production
Production
We manufacture at scale, ensuring quality and consistency at every step
Packaging
Pieces are assembled and packaged to align with your brand and vision
Let’s Build Your Jewelry Collection
- United States
- Thailand
- China
Chloe / Roller Rabbit