Home/Our Services | KKDIK, REACH, MBDF, GBF, UFI/PCN Consulting
Our Services | KKDIK, REACH, MBDF, GBF, UFI/PCN Consulting
ONAY Mühendislik, at all stages of chemical regulatory compliance since 2010 — KKDIK, REACH, MBDF, sole representative office, Safety Data Sheet (GBF), SEA and UFI/PCN — is a Türkiye-based company that provides end-to-end consultancy. 2,000+ safely completes your registration obligations and 30 September 2026 audit preparation, with experience in consulting the company, 14,000+ carrying out the process of the substance, and 4,000+ UFI/PCN notification.
Counting unit and scope of these figures: KKDIK statistics — counting method
Our consultancy services
| Service | Scope |
|---|---|
| KKDIK Consulting | Individual/full record, lead file, tonnage and audit preparation |
| REACH Record | Exclusive representation and technical dossier for the EU market |
| MBDF Management | Data sharing, leader/partner coordination, LoA |
| Only Representative | KKDIK/REACH OR for foreign manufacturers |
| Safety Data Sheet (GBF) | Turkish SDS preparation with KDU, SEA compatible |
| UFI / PCN | Code and declaration UFI for hazardous mixtures |
Why ONAY Mühendislik?
With the collaboration of experience, technical infrastructure (data mining, SAR/QSAR) and DEKRA, we manage the entire process from registration to audit under one roof. Check out our KKDIK advisor selection guide for details.
Frequently Asked Questions
Is it advantageous to get all services from a single company?
Yes; Consistent and single-handed management of the registration, GBF, tag and UFI/PCN process reduces the risk of errors and costs.
30 How should I prepare for the September 2026 deadline?
The substance inventory should start with tonnage and role determination; ONAY does this evaluation and recording plan for you.
How are our services structured?
We start every run with inventory: items, CAS numbers, annual quantities, and company role. Without this table, it cannot be accurately said which liability has arisen, which document is required and what the cost will be. Technical work only starts after this step.
Main service areas
- KKDIK registration consultancy and sole representation
- MBDF management, data sharing and access letter negotiation
- IUCLID technical file and chemical safety report
- Safety data sheet (GBF/SDS) and labeling
- Code UFI and notification PCN
- EU REACH, UK REACH, biocidal, cosmetics and detergent legislation
Post-registration follow-up
Compliance is not a one-time job. We monitor the annual tonnage, notify the belt change in advance and update the file. When the classification changes, the safety data sheet and label are renewed together.
Related pages
Official full text of the regulation: KKDIK Regulation - Official Gazette.
Which service do you need? — status/service matrix
The table below shows which service is mandatory and which is dependent on your company's situation. The exact scope is evaluated by substance, use and annual tonnage.
| Your situation | Mandatory | Depending on the situation |
|---|---|---|
| I produce over 1 tons of material per year in Turkey | KKDIK register, MBDF, GBF | KGR (10 over tons), UFI/PCN (if you are selling a mixture) |
| I import over 1 tons of goods per year | KKDIK register, MBDF, GBF | If the Supplier appoints an Only Representative, the registration burden is removed |
| I am a foreign manufacturer, I export to Turkey | Only Representative | Tonnage tracking, importer list management |
| I sell harmful mixture (paint, cleaning, adhesive) | SEA classification, label, GBF, UFI/PCN | Registration for constituent substances |
| I buy and use from registered supplier | GBF archive, usage availability check | Subuser KGR if your usage is not in the scenario |
| I export to the EU | EU registration REACH or Only Representative in the EU | UK REACH (if shipping to the UK) |
| I sell biocidal / cosmetic / detergent product | Product specific legislation | KKDIK component obligations |
Typical duration and output of services
| Service | Concrete output | Typical time |
|---|---|---|
| Scope analysis | Item inventory, role and tonnage map, liability list | 1–2 week |
| Individual temporary registration | Temporary registration number obtained through KKS | Days per item |
| MBDF / common recording | Forum participation, LoA, joint presentation | Months (depending on forum speed) |
| Full record (file IUCLID) | Technical dossier submitted, registration number | 3–12 month according to data space |
| Chemical Safety Report | KGR and exposure scenarios | 2–6 month |
| GBF / extended GBF | SEA compatible Turkish 16 segmented form | Days per product |
| UFI / PCN notification | UFI code and completed notification | Days if formulation is ready |
| Only Representative | Carrying out assignment, registration and tonnage tracking | Continuous |
Five questions to ask when receiving a consultancy offer
- Do you have leading registration experience? Participating in joint registration and preparing the joint file are different tasks; What indicates technical depth is the number of leading files.
- Which items does the price include? Fee, LoA fee, forum management fee and possible testing cost must be written separately.
- What happens if there is a data gap? Is it specified in the contract how the additional cost will be calculated?
- Who keeps the file and data? If you change consultant, can you inherit the IUCLID file and LoAs?
- Is there post-registration maintenance? Are tonnage changes, classification updates and notification renewals covered?
Among these services, the most frequently requested document is the safety data sheet. When your customer says “Send MSDS” this is the requested document: What is MSDS? MSDS document · GBF/SDS preparation.