Discover Our Canned Cold Brew RTD Offering

We offer a wide selection of ready-to-drink products, all of which are crafted with care. And if you want to expand your brand or start a new one, we can help you with our flexible private label services.

Private Label RTD: Brewed Better With Hardtank

Shop-to-go

Shop-to-go

Perfect for brands and retailers who want to offer RTD drinks for busy, urban consumers who value convenience, wellness, and premium taste—ideal for cafés, speciality stores, and hotel chains in trend-driven markets. As a stylish and easy way to show off your brand, they're great for events and marketing campaigns.

Custom formula

Custom formula

It is ideal for brands ready to create something unique. Collaborate with our experts to develop a custom formula that fits your vision. It is tailored to your taste, concept and market. And the final product bears your brand and label.

Functional Beverages

Functional Beverages

Our functional beverages development offer is as broad as your ambitions: from pilot batches to large-scale factory orders. Whether you’re a boutique roaster or a fast-growing brand, you will have access to the latest beverage innovations and premium quality products. Expand your reach into the retail, convenience, or hospitality industries with products that stand out for their taste and functionality.

Shop-to-go

Shop-to-go

Perfect for brands and retailers who want to offer RTD drinks for busy, urban consumers who value convenience, wellness, and premium taste—ideal for cafés, speciality stores, and hotel chains in trend-driven markets. As a stylish and easy way to show off your brand, they're great for events and marketing campaigns.

Custom formula

Custom formula

It is ideal for brands ready to create something unique. Collaborate with our experts to develop a custom formula that fits your vision. It is tailored to your taste, concept and market. And the final product bears your brand and label.

Functional Beverages

Functional Beverages

Our functional beverages development offer is as broad as your ambitions: from pilot batches to large-scale factory orders. Whether you’re a boutique roaster or a fast-growing brand, you will have access to the latest beverage innovations and premium quality products. Expand your reach into the retail, convenience, or hospitality industries with products that stand out for their taste and functionality.

Choosing Hardtank means you get a real edge in the ready-to-drink market:

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Low logistics minimums

Start your private label RTD journey with just 3,000 units per SKU—ideal for specialty coffee roasters and brands that want to test new products or scale up with less risk.

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Long shelf life

Our black coffee cans stay fresh for up to 12 months in ambient temperature (coffee with plant-based milk up to 10 months), thanks to advanced canning and pasteurisation processes.

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Higher functional content

Enjoy higher caffeine, lipid, and antioxidant levels in every can, delivering a more potent and beneficial beverage for your customers.

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Clean, natural ingredients

We believe in short, transparent ingredient lists—no unnecessary additives, just pure, speciality-grade and functional ingredients.

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Private label & contract canning

Launch your own branded line or let us handle contract canning, with full support from formulation to packaging and logistics.

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Sustainable packaging

All our products come in infinitely recyclable aluminium cans—lightweight, durable, and eco-friendly.

Which Products Do We Use In Our Recipes?

We use only premium, speciality-grade coffee and teas, sourced directly from origin partners who share our values for quality and sustainability. Our functional drinks are crafted with natural ingredients—think adaptogens, collagen, MCT oil, and plant-based milks—to meet the wellness and lifestyle needs of today’s consumers.

We keep our ingredient lists short and transparent, so our customers know exactly what’s in every can. All our products are shelf-stable, and free from unnecessary additives. We source responsibly, prioritising traceability and ethical standards at every stage.

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Our RTD’s Are Canned Products

We focus exclusively on cans—never bottles—because cans are better for your product, your brand, and the planet. Cans are lightweight, durable, and infinitely recyclable, making them the smart choice for modern beverage brands. Our standard can sizes include 200 ml and 250 ml slimline formats, perfect for on-the-go convenience and standout shelf presence.

Check out our can mockups and see how your brand could look!

Our Patented RTD Cans

Our unique process extracts more from every coffee bean—delivering richer flavour, higher caffeine, and longer shelf life—all in a fraction of the time traditional methods require. This technology ensures every can is packed with fresh, natural taste and functional benefits, while maintaining the highest food safety standards, including BRCGS Grade AA certification.

High Caffeine Content

Our patented rapid cold brew extraction delivers a beverage with over 2.5 times more caffeine than typical energy drinks, giving your customers a natural and powerful energy boost.

Health Benefits

Hardtank technology increases the amount of antioxidants, lipids, and chlorogenic acids (CGA) in every can, making our beverages not just delicious, but also functionally beneficial for wellness-focused consumers.

Ready to Drink Nitro Cold Brew can by Hardtank

Minimized Oxidation

The extraction process minimizes oxidation, which protects the flavour profile and ensures long-lasting freshness in every can—so your product tastes great from the first sip to the last.

Hardtank ready-to-drink cans are BRCGS certified.

BRCGS Certified

All our canned cold brew beverages are produced under BRCGS Grade AA certification for non-alcoholic beverages, guaranteeing the highest standards of food safety and quality.

High Caffeine Content
Our patented rapid cold brew extraction delivers a beverage with over 2.5 times more caffeine than typical energy drinks, giving your customers a natural and powerful energy boost.
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Health Benefits
Hardtank technology increases the amount of antioxidants, lipids, and chlorogenic acids (CGA) in every can, making our beverages not just delicious, but also functionally beneficial for wellness-focused consumers.
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Can of Hardtank RTD
Minimized Oxidation
The extraction process minimizes oxidation, which protects the flavour profile and ensures long-lasting freshness in every can—so your product tastes great from the first sip to the last.
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BRCGS Certified
All our canned cold brew beverages are produced under BRCGS Grade AA certification for non-alcoholic beverages, guaranteeing the highest standards of food safety and quality.
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Hardtank ready-to-drink cans are BRCGS certified.

Meet our customers & partners

Kuban Atolye
Vedan
Altro Trading SRLS Italy
Urnex
Silverskin Coffee Roasters
Smoothie Barmen
Sucasu
Renaluxe
Nordico Coffee House
Seas Gida
Methods Specialty Coffee
Muddle Me
Nooz
MP
Liberica International
Muas Coffee
Kaffebryggeriet
ICS Roasters and Merchants
Imeso
Global Espresso Machines
Gniazdo Coffee
Gourmet Style
Five Oceans Coffee
Department of Coffee
De La Sierra Coffee Roasters
Black Mountain Cold Brew Coffee
Colt Coffee
Chill and Brew Roastery
Benki Brewing Tools
Best CS Horeca
Berliner Kaffeerosterei
Kuban Atolye
Vedan
Altro Trading SRLS Italy
Urnex
Silverskin Coffee Roasters
Smoothie Barmen
Sucasu
Renaluxe
Nordico Coffee House
Seas Gida
Methods Specialty Coffee
Muddle Me
Nooz
MP
Liberica International
Muas Coffee
Kaffebryggeriet
ICS Roasters and Merchants
Imeso
Global Espresso Machines
Gniazdo Coffee
Gourmet Style
Five Oceans Coffee
Department of Coffee
De La Sierra Coffee Roasters
Black Mountain Cold Brew Coffee
Colt Coffee
Chill and Brew Roastery
Benki Brewing Tools
Best CS Horeca
Berliner Kaffeerosterei

Want to find out why it's worth partnering with us?

Discover the values that have earned us the trust of our customers: innovation, transparency and an ongoing commitment to quality. We're proud to support coffee roasters, specialty retailers, and hospitality brands across the globe who would like to offer something truly special in every beverage they serve.

About us
Partnership Team Meeting

See reviews and case studies from our partners

Read stories from partners who've grown their business with Hardtank's solutions. See how our technology, expertise, and support make the difference from day one.

“In less than 2 hours, we can get the bold flavours, the notes of complex speciality coffee that we were looking for. We worked with Hardtank not just to delegate production complexities but also because the company’s groundbreaking technology helps…

"Before investing in the Hardtank, the production process was quite a labour-intensive and inefficient operation, especially as it began to scale up. The Hardtank has been a game-changer, offering a controlled brewing environment that ensures consistency across multiple batches. The…

“We started by using Baby Hardtank at an international food fair, and did some fascinating showcases extracting cold coffee. We realised we could do cold brew extraction as well as infusing fruit to create signature drinks that were highly appreciated…

“Brewing in the fastest time, clear coffee, unique flavors and extremely high beauty.”

“The quality, solid and real dedication to create the best equipment to have the best cold brew in every subject is what made my experience with Hardtank really great. I have been following them for a long time, and now…

“It’s a pleasure to work with Hardtank. Hardtank gives me an opportunity to diversify the approach of extracting things. I’m not limited to a boring menu. I’ve always thought of Hardtank not only in coffee context…For me it has a…

"We like that Hardtank is developing new formulas and new drinks, like the vegan matcha latte. That’s one of the good things, because there are specific recipes companies can use for their private label drinks. It makes it easy for…

“Hardtank is a very thoughtful equipment which crates a wide pallet of drinks and allows your flight of imagination. It is a real game changer!”

“Anyone who has experienced and witnessed the cold brew production from Hardtank knows that it is the best solution in the market.”

“Hardtank redefines the cold brew experience by opening new creative possibilities. Not only is it incredibly user-friendly, but it also amazed me with the variety of innovative beverages I could create—from coffee to tea and herbal infusions.”

“Hardtank was the first choice, which simply caught our eye. Once we saw this is a Polish company, we already knew that we were going for it. We started in the summer season with flat white based on dark roasted…

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Contact Us Directly

Have a question, or are you ready to launch your own custom formula RTD? Select a contact below to connect directly with the right sales representative for your needs.

Kinga Markiewicz

Business Development Manager

Kinga is our RTD business development expert. She’s here to guide you through every step of creating your own RTD brand — from initial concept and product selection through to launch.

Languages: English, Polski

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We welcome all inquiries - just reach out!

Simply select the topic you want to discuss, and we’ll make sure your inquiry reaches the right expert.

You’ll get a response from our team within 48 hours (excluding weekends), always from a @hardbeans.com email address. Your inquiry will be handled by a specialist who understands your needs and can guide you every step of the way.

Who will respond to you?

Kinga Markiewicz

Private Label & RTD Development

Vidin Andonov

Hardtank Equipment & Distributor Opportunities

Maciej Duszak

Distributor Opportunities

HARD BEANS Sp. z o.o.

ul. Armii Krajowej 35, 45-071 Opole, Poland 🇵🇱

Frequently Asked Questions About Canned Cold Brew Beverages

Our patented technology extracts more flavor, caffeine, and antioxidants from every coffee bean, resulting in a richer, more functional beverage. Plus, our cans offer a 12-month shelf life without preservatives, using only natural ingredients and a short, transparent ingredient list.

Absolutely! We offer full R&D and formulation support, so you can develop a unique recipe or choose from our proven recipes. From private label manufacturing to packaging and regulatory compliance, we handle the process end-to-end, making it easy to launch your own branded canned beverages.

We believe cans are the best choice for cold brew: they’re lightweight, infinitely recyclable, and protect your beverage’s taste and freshness. Our cans come in convenient sizes, perfect for on-the-go customers and sustainable logistics.

Beyond classic cold brew, we specialize in a wide range of functional beverages—think vitamin-infused coffee, adaptogen blends, collagen drinks, and more. All our recipes are crafted with clean, natural ingredients to meet today’s wellness trends.

It’s simple—just fill out our contact form and select your topic of interest. Our team will respond within 48 hours, connecting you with a specialist who can answer your questions and guide you through the next steps.

We typically ship pallets containing 3,000 or more cans, which is also set as our minimum order quantity.

Customers can choose between standard box sizes containing either 12 or 40 cans.

The MOQ for private label cans is 3000 pieces per SKU.

We offer slim cans in two sizes: 20 cl and 25 cl.

Yes, customized box designs are available. We provide a label design template and support to help you create your own unique packaging.