About Us — Montag SAP Finance Consulting

Who We Are

An independent team that understands finance and transforms it on SAP.

Montag Yazılım Bilişim A.Ş. was founded in 2015 to analyse the complex business needs that enterprises face in their finance, treasury, cost management, planning and reporting processes, and to design sustainable solution architectures on the SAP platform.

Today, with a team of 38 specialists, we have delivered more than 120 SAP projects for over 80 enterprise clients. Our R&D centre at Çanakkale Technopark supports our capacity for technology development, research and solution engineering.

We are not merely a consultancy that implements SAP applications; we are a solution partner that analyses processes, strengthens decision-making mechanisms and accompanies organisations on their transformation journey.

11+

Years of Experience

120+

SAP Finance Projects

80+

Enterprise Clients

38

Expert Consultants

Company Profile

Founded

15 October 2015

Team

38 specialists

SAP Status

Trusted Vendor (2020)

Headquarters

Kalamış — Kadıköy / Istanbul

R&D

Çanakkale Technopark

Core Service

SAP Financial Modules

Partners

Strong partnership, deep expertise.

Montag operates in partnership with Golive Yazılım A.Ş. (a GoLive Company) and under the leadership of three founding partners, each an expert in their field.

Golive Yazılım A.Ş.

Strategic Partner

Mete Çağlayan

Founding Partner

Güney Tüzün

Founding Partner

Ömer Faruk Şahin

Founding Partner

Managing Partners

Leadership proven in the field.

Mete Çağlayan

Solution Architect · Managing Partner

25+ years of experience in SAP financial modules, including 8 years as an FI/CO and TRM consultant at SAP Turkey. A pioneer of TRM and BPC cash flow implementations in Turkey. Recipient of the quality award for the Coca-Cola İçecek cash flow project; the SOCAR project he architected received the Financial Transformation award.

Güney Tüzün

Solution Architect · Managing Partner

18+ years of experience in SAP financial modules. Specialises in Central Finance, IFRS, Real Estate Management, Financial Accounting and customer credit limit processes.

Ömer Faruk Şahin

Financial & Technical Consultant · Managing Partner

15+ years of SAP financial module and technical consulting experience. Has worked on numerous projects in bank integrations, payment systems, IFRS and ABAP development.

Why Montag?

We stand on four pillars.

01

We Know Your Needs

More than 11 years of accumulated experience lets us approach projects as solution architects and position the right solutions.

02

Experience

We have served almost every company in Turkey's top 20 in the areas of Central Finance, Treasury, IFRS and Cash Flow.

03

Technical Know-How

We have had the opportunity to implement almost every module in the SAP finance world across different industries. Deep technical expertise.

04

Quality

Applying SAP Best Practices and staying within module standards is our priority.

Milestones

An 11-year journey, grown together with the industry.

2015

Montag was founded in Istanbul on 15 October. The decision was taken to specialise in SAP financial modules.

2017–2019

Projects for industry leaders such as Turkish Airlines, Coca-Cola İçecek and Mercedes-Benz were completed successfully. Comprehensive programmes including Turkcell IFRS 16, Türk Telekom IFRS 15 and the SOCAR Central Treasury Solution went live.

2020

SAP Trusted Vendor status was earned. The Golive partnership began.

2022

The Çanakkale Technopark R&D centre was established.

2023

The Getir S/4HANA project went live.

2024–2025

Large-scale projects such as Tüpraş, Getir and Borçelik were completed.

A trusted partner in SAP finance transformation
since 2015.