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Become Our Client

Come in and take advantage of Zer's strategic purchasing solutions in your purchasing processes. Experience the advantage of saving while speeding up and streamlining your business processes.

Become Our Client

Become Our Supplier

By taking part in Zer's supplier pool, you can reach many companies from different sectors easily and quickly, deliver your products and services to a wide audience and thus, increase your volume of business. Join us now.

Become Our Supplier

Tenders

You can instantly view all the tender and price collection processes we have organized by selecting the sector. Click for details.

Tenders

OUR BRANDS

Araçiste

araçiste, one of the technology solutions of Zer, has been providing services to all of its companies provided with purchasing solutions in the area of transportation through the https://araciste.koczer.com/trips

Promena

Promena, the first brand of Turkey in its sector, has provided significant added value to its clients since 2001 through strategic purchasing solutions.

Zervis

In line with the centralization of the purchasing, Koç Holding, commonized the purchase of services for personnel transportation vehicles such as buses and minibuses in 2006.

SpenDNA

SpenDNA analyzes all of your company’s purchase expenses and allows you to see comparisons with previous years across categories and products, both in summary and detail based.

Promena

Promena, the first brand of Turkey in its sector, has provided significant added value to its clients since 2001 through strategic purchasing solutions.

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News

Yet another international achievement from Promena!

15 December 2020

Role changes and assignments as of January 1, 2021

08 December 2020

Mehmet Apak: “Creating a transparent, traceable experience where processes are digitalized from end-to-end is essential for the new normal.”

12 November 2020

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ZER IN NUMBERS

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TOTAL TENDERS

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CORPORATE CUSTOMERS

OUR REFERENCES

"All studies beginning along with the participation of Tüpraş to Koç Community turns into synergy in every passing day, indeed. Especially in recent years, this cooperation progressed with Tüpraş and Zer SAP systems' becoming integrated and our friends' who work for Tüpraş in Zer getting to know our Refineries more closely. In the forthcoming period, as Tüpraş, we target to work with on-time shipments and enhanced increasing volumes for our online catalogues and periodic timing works from Zer."

Göksel Baydar

Contract and Procurement Director Tüpraş

"Besides the financial gain, E-tender system speed-up our precess, especially multi-supplier based, progressive, complicated works. We can reduce a 2-week-job into one or two hours. That’s an added-value for us. It takes one click to receive a report, analiyze it and to make out."

Kutay Demirören

Construction Traffic & Logistics Manager Enka

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