# Feedback

> A form to contact the Buff team.

Contacts

# Write to us

A question about the product, a rollout request or feedback — write to us and we will reply. If you just want to try it, [open the app](https://buff.systems/app).

Or have a look at the [documentation](https://buff.systems/en/docs).

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Message \*

By sending this form you agree to the processing of the data you entered in order to answer your enquiry and discuss terms, in accordance with the [Personal data processing policy](https://buff.systems/en/legal/privacy).

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Contractor details

- **Name**: NK-Technologies Limited Liability Company (LLC NK-Technologies) Общество с ограниченной ответственностью «НК-технолоджис» (ООО «НК-технолоджис»)
- **INN (taxpayer number)**: 7728713970
- **KPP (tax registration code)**: 773101001
- **OGRN (state registration number)**: 1097746641959
- **Address**: Slavyansky Boulevard 1, apt. 62, Moscow, 121352, Russia 121352, г. Москва, Славянский бульвар, д. 1, кв. 62
- **General director**: Anton Vladimirovich Voropaev Воропаев Антон Владимирович

- **Settlement account**: 40702810002720001489
- **Bank**: JSC ALFA-BANK АО «АЛЬФА-БАНК»
- **Correspondent account**: 30101810200000000593
- **BIC**: 044525593
- **Email for legally significant notices**: info@buff.systems

These are the details of the contractor under the [user agreement](https://buff.systems/en/legal/terms) and of the operator under the [personal data processing policy](https://buff.systems/en/legal/privacy). The balance is topped up by bank transfer to the same details — see [payment and refunds](https://buff.systems/en/legal/payment); in the payment reference, give the organisation’s name from the app.