The leading platform for tendering and subcontractor management in the construction industry

With the Cosuno platform, you can manage your whole planning cycle for all your projects in one place. Store documents, send messages to subcontractors and manage the entire tendering process on our platform. All while we make sure to find you the best bids.

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General Contractors

Use Cosuno for all your construction projects and benefit from our broad network of subcontractors and the simplified tendering process.

Book a free demo

Platform for purchasing construction services


Optimize and manage tendering and awarding: Benefit from the largest subcontractor network, create full transparency of your purchasing processes and increase your profit margins.

5,7% Cost savings
180k qualified subcontractors
Avg. 3.4 bids


construction projects already awarded on Cosuno

Logo: Aug.Prien
Logo: Lindermann

How Cosuno works

Achieve higher response rates, efficient procurement processes, and satisfied subcontractors with Cosuno.

Find suitable bidders for your projects

Use our platform to publish tenders and find the best bidders for your construction needs. With the price comparison list, you can see all bids in one place and negotiate for the best prices.

More about General contractors

Manage invoices and payments efficiently

Save time by using our platform for all your planning processes, manage contracts, review invoices and addendums and pay your subcontractors faster and on time by keeping all communication in one place.

More about Project developers

Expand your network and receive more bids

Find the most suitable partners for your construction projects and benefit from a higher contract award profit. Our best-in-class network delivers more bids and guarantees better prices for your construction plans.

More about Architects

Certified software



Qualified subcontractors in our network



Time savings through automation of manual processes



average response rates through easy bidding



Increase in contract award profit as a result of more bids


"Once we booked a demo with Cosuno, we immediately realised that the software was what we needed. Within three days, we were able to manage the entire manual tendering and awarding process online with the Cosuno software."

Dennis Beckmann

Purchasing manager


J. Lindemann GmbH & Co. KG

"With Cosuno, we have professionalised our projects in individual bids and bid packages: Thanks to the number of qualified bids, we can minimise price risks and form new, long-term partnerships."

Alexander Knoop



SIB Capital

"It is a big relief not having to keep composing a new email, but being able to contact subcontractors easily."

Kim Brandes



Kondor Wessels

"More automation, more transparency, fewer manual processes and thus more time for essential tasks: efficient communication on a familiar basis with subcontractors."

Andreas Paul

Purchasing manager


Gebr. Neumann

We are always available for support. How can we help you?

Would you like to learn more about Cosuno, or do you need technical support? Our experienced team will be happy to help you at any time and without obligation. We are usually available immediately.

Bastian Bornkessel

Sales Director

+49 (30) 896 778 739

Request demo

Reach out to our team and book your personal introduction to our software and how it will help you.

Request demo