CREXA Consulting
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About Us

Tax and finance, audit, process and software: four perspectives, one team.

About Us

Hüseyin Türk

Hüseyin Türk

Hüseyin Türk began his career in 2006 at Karine Y.M.M., working as an assistant auditor and auditor, and qualified as a Certified Public Accountant (S.M.M.M.) in Turkey in 2009. At EY, Nexia and Crowe Horwath he advised national and multinational companies on tax, accounting, social security and VAT. He then spent more than 2 years at Toksöz Group in the Internal Audit Department and on projects in Turkey and Spain. At Zumos Palma S.L.U. he served as Internal Audit Manager for more than 7 years in total. Over his career he has taken part in the audits of nearly 200 small, medium and large companies.

As an internal auditor he got to know every department of a company closely: sales and marketing, purchasing, production and planning, quality, warehouse and logistics, foreign trade, accounting, finance and treasury, budgeting and reporting, human resources and payroll, IT, legal and compliance, administration, fixed assets, customer service and more. Along the way he worked with programs such as SAP, Logo (Tiger, GO, Netsis), Mikro (Mikro Fly, Mikro Jump, Mikro Run), Orka, ETA, Paraşüt and Xero; he worked alongside developers on many software projects, wrote procedures and was part of the teams that turned controls into systems.

He founded CREXA Consulting in 2024. Today this experience is the foundation of CREXA, which develops company-specific software. If you are looking for a partner who can both identify the problem and build the solution, you are in the right place.

  1. 2024 –CREXA Consulting, Founder, Independent Consultant · Madrid, Spain
  2. 2018 – 2023Cámara de Comercio Hispano Turca, Board Member · Madrid, Spain
  3. 2015 – 2022Zumos Palma S.L.U., Internal Audit Manager · Madrid, Spain
  4. 2013 – 2015Toksöz Group, Internal Audit Specialist · Istanbul, Turkey
  5. 2011 – 2013EY, Senior Auditor, Tax Compliance · Istanbul, Turkey
  6. 2008 – 2011Nexia Turkey · Crowe Horwath, Senior Auditor, Tax Compliance · Istanbul, Turkey
  7. 2006 – 2008Karine Y.M.M., Auditor · Istanbul, Turkey

Don't try to fit your software,let your software fit you.

Instead of struggling with the limits of off-the-shelf software, contact CREXA Consulting: we analyse how your business really works and build your system around it.

Turkish Law No. 6698 on the Protection of Personal Data

KVKK privacy notice (summary)

Data controller
CREXA Consulting (Hüseyin Türk), Madrid, Spain · info@crexaconsulting.com
Data processed
Full name, company name, industry, number of employees, program used, email address and the description you write in the form.
Purpose
To assess your consultation request, contact you and schedule the meeting.
Legal basis
Steps towards entering into a contract at your request (Art. 5(2)(c)) and the consent you give in this form.
Transfers
Data is not shared with third parties for marketing purposes. Because the data controller is based in Spain, your data is processed abroad, on the servers of the email and hosting providers (Art. 9).
Retention period
Until your request is concluded. If no business relationship follows, the data is deleted within 1 month at the latest once this is clear.
Your rights (Art. 11)
To learn whether your data is processed, to request information, to request correction or deletion, to object to processing and to claim compensation for damages. Requests: info@crexaconsulting.com

Full privacy policy →

EU General Data Protection Regulation 2016/679

GDPR privacy notice (summary)

Data controller
CREXA Consulting (Hüseyin Türk), Madrid, Spain · info@crexaconsulting.com
Data processed
Full name, company name, industry, number of employees, program used, email address and the description you write in the form.
Purpose
To assess your consultation request, contact you and schedule the meeting.
Legal basis
Pre-contractual steps at your request (Art. 6(1)(b)) and the consent you give in this form (Art. 6(1)(a)). You can withdraw your consent at any time.
Recipients
Data is not shared with third parties for marketing purposes; it is processed only by email and hosting providers.
Retention period
Until your request is concluded. If no business relationship follows, the data is deleted within 1 month at the latest once this is clear.
Your rights (Art. 15–22)
Access, rectification, erasure, restriction of processing, data portability and objection. You can lodge a complaint with the Spanish Data Protection Agency (AEPD). Requests: info@crexaconsulting.com

Full privacy policy →

Sample text

Non-disclosure agreement (NDA)

  1. Parties. On the one hand [Company name], [address] (the “Company”), and on the other hand Hüseyin Türk (CREXA Consulting), Madrid, Spain (the “Consultant”).
  2. Subject. This agreement governs the confidentiality of the information the Company shares with the Consultant in the course of a process analysis and possible collaboration.
  3. Confidential information. All information shared in writing, orally or electronically is confidential information, including financial statements, trial balances and accounting records, customer, supplier and employee information, prices, contracts, business processes, and software and system information.
  4. Consultant's obligations. The Consultant uses confidential information only for the purpose of this agreement and does not share, copy or reproduce it with or for third parties without the Company's written permission. The Consultant limits access to the information to those who need it for the work and ensures that they comply with the same confidentiality obligation.
  5. Exceptions. Information that is public, that the Consultant already knew before it was shared, that was lawfully obtained from a third party, or that must be disclosed by order of a court or competent authority is not considered confidential information.
  6. Personal data. If the shared information contains personal data, the parties comply with Turkish Law No. 6698 (KVKK) and the EU General Data Protection Regulation (GDPR).
  7. Return and destruction. When the work ends or when the Company requests it, the Consultant returns or permanently deletes all confidential information and confirms this in writing.
  8. Term. The agreement takes effect on the date of signature. The confidentiality obligation continues for [3] years after the work between the parties ends.
  9. Governing law. The governing law and competent courts are agreed by the parties: [Turkish law, courts of Istanbul] or [Spanish law, courts of Madrid].
  10. Signature. Drawn up and signed in two copies. Date: [__/__/____] · For the Company: [name, title, signature] · Consultant: Hüseyin Türk [signature]

This text is a sample for information purposes and is adapted to the parties. The agreement to be signed is finalised together, based on your company's needs.

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