Custom Bathroom Fixture and Kitchen Sink Development for Businesses
Share your idea and we turn it into a ready-to-manufacture product for your brand
Discover our custom development service or explore 4 other ways to work with us
Custom product development is one of the five services we offer.
Share your idea and our design team will transform it into a ready-to-manufacture bathroom fixture or kitchen sink.
Explore our custom design service, book a call below or explore other collaboration options.
Custom bathroom fixtures & kitchen sinks — crafted for elegance and durability
Who do we most often design custom sanitary ware and washbasins for?
Our custom product development service is designed for partners who need a completely new bathroom or kitchen product — elegant, distinctive, and crafted to perfection.
Brands & retailers
…who aim for a premium product and need a manufacturer able to deliver flawless, technically complex designs.
Architects
…who need a one-of-a-kind bathroom fixture or sink created for a signature project or premium hospitality interior.
Furniture manufacturers
…who want bespoke sanitary ware and kitchen sinks tailored to match the aesthetic of their collections.
6 reasons to work with Marmorin on your next custom design
Here are some of the main reasons why brands and businesses trust Marmorin to develop refined, technically sophisticated products that combine beauty and durability.
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Award-winning designers
True experts in advanced, elegant sanitary ware and kitchen sink designs.
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Innovative materials
Quartz, dolomite, resin and gelcoat allow forms and details others can’t realise.
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Consultative approach
We ask the right questions to make your vision not only beautiful but feasible.
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In-house expertise
Design, R&D, and tooling under one roof ensure precision, control, and speed.
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European quality, friendly pricing
Premium standards paired with cost advantages of our Polish location.
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Nearly 4 decades of experience
Over 38 years of designing high-end bathroom products and kitchen sinks.
150+ adaptable designs
A refined portfolio of forms and sizes that can be adjusted to your market’s needs.
150+ adaptable designs
A refined portfolio of forms and sizes that can be adjusted to your market’s needs.
150+ adaptable designs
A refined portfolio of forms and sizes that can be adjusted to your market’s needs.
150+ adaptable designs
A refined portfolio of forms and sizes that can be adjusted to your market’s needs.
150+ adaptable designs
A refined portfolio of forms and sizes that can be adjusted to your market’s needs.
150+ adaptable designs
A refined portfolio of forms and sizes that can be adjusted to your market’s needs.
150+ adaptable designs
A refined portfolio of forms and sizes that can be adjusted to your market’s needs.
What custom bathroom fixtures and kitchen sinks does Marmorin design?
Our team is able to design premium products that many others will not or cannot take on, making this service well suited for upscale collections and projects where aesthetics matter. All custom designs are based on the same materials used in Marmorin’s standard collections: bathroom products are developed using dolomite-based composite stone, while kitchen sinks are designed using quartz-based composite.
Marmorin offers custom design and development for the following products:
Custom washbasins
Custom bathtubs
Custom shower trays
Custom kitchen sinks
Interested? Would like to discuss your options with an expert?
Our partners about us
Don’t take our word for it. Here’s what our customers say about us
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“A leading European manufacturer in their sector”
We have worked with Marmorin as our own label supplier since 2010 and found them to be a leading European manufacturer in their sector. Our partnership has resulted in several projects where unique new designs have been brought to market against tight development timescales, achieving target price points.
Managing Director
European bathroom & kitchen products brand
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“Marmorin has been a reliable partner for us”
As a bathroom furniture manufacturer, Marmorin has been a reliable partner for us. We particularly value their consistent product quality, adaptability to our needs, and professional communication throughout the process.
Thomas Goddeeris
Purchaser at DETREMMERIE
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“A delight to work with”
As a sanitary ware and kitchen sink ODM manufacturer, Marmorin is a delight to work with. We value the high level collaboration, innovative product development and design relevant to our target markets. Their attention to detail with respect to quality and materials used is well reflected in the final product outcome. They are a very trusted, valuable partner.
Owner
Designer and supplier of kitchen and bathroom solutions
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“We are thoroughly impressed by their quality”
Our company has worked with Marmorin for many years, and has continued to be thoroughly impressed by their service, quality, and willingness to support our business.
Buyer
Global manufacturer of premium kitchen and bathroom products
Book a consultation with our team!
Our specialists will gladly answer your questions, walk you through our cooperation options and recommend the solution best suited to your market. You can contact any of them directly.

Natalia Kalicińska
Business Development Manager
With over a decade of expertise in international sales, Natalia is responsible for acquiring new clients and expanding Marmorin’s global reach. She communicates in English, French, and Russian, and is your dedicated first contact, always ready to provide comprehensive support.

Agnieszka Maliszewska
Chief Sales Officer
As Chief Sales Officer, she drives our company’s growth by combining a high-impact sales strategy with a truly partnership driven approach to clients. Fluent in English and French, delivers solutions that strengthen customers business — quickly, effectively, and with full commitment.
How our custom product development service works
Partnering with Marmorin is clear, efficient and built to create value throughout the entire process.
Step 1: Concept consultation
You share your idea or sketch — we discuss its technical and aesthetic possibilities.
Step 2: Design & engineering
We create 3D models and detailed technical documentation for your concept.
Step 3: Prototype preparation
A prototype is produced for testing and approval before the manufacturing stage of final products begins.
Step 4: Materials & finishes
We propose materials and finishes tailored to your market and design vision.
Step 5: Production (low MOQs!)
With low MOQs, manufacturing takes place entirely in-house — ensuring precision and top quality.
Step 6: Delivery & support
We handle logistics and provide after-sales assistance for lasting partnerships.
Need a different service?
Marmorin provides five collaboration paths to cater for different business needs. If you’re looking for something other than custom development, discover the remaining four options here:

Private & White Label
You select a product from our catalogue and we will deliver it as-is with your branding.

ODM (Original Design Manufacturer)
You choose one of our designs and we adapt it to your requirements.

OEM (Original Equipment Manufacturer)
You bring us your design, and we manufacture it to your exact specifications.

Marmorin Brand
You order our products in bulk and sell them under the Marmorin brand in your market.
