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Oyster HR
The subprocessor list as we last read it, on Nov 12, 2026.
Dates are when we read the list (UTC), not when Oyster HR changed it. Between two readings we don't know what it said.
tall: list changed · medium: document changed · short: read, no change · x: check failed · dotted: change dates only. Tap a tick or use the date box.
We record change dates, not every check, before Oct 11, 2026.
We have published no changes to this vendor's list; our first reading was Sep 28, 2026.
Read Nov 12, 2026 · 38 companies named as a subprocessor · stored document
| Name | Purpose | First read |
|---|---|---|
| Accountor Denmark A/S | Payroll Processing for Denmark Payroll Team Members | |
| Amazon Web Services, Inc. | Virtual Data Center Services | |
| Baker Tilly Kirk | Payroll Processing for Ireland Payroll Team Members | |
| Baker Tilly SAS | Payroll Processing for France Payroll Team Members | |
| BELL Consulting S.R.O | Payroll Processing for Czech Republic Payroll Team Members | |
| BillyPay BV | Payroll Processing for Belgium Payroll Team Members | |
| Box, Inc. | Bulk Uploading of Payroll Team Member Data for Onboarding | |
| Brain Payroll UK Ltd | Payroll Processing for UK Payroll Team Members | |
| Conceito-Consultoria de Gestao, S.A. | Payroll Processing for Portugal Payroll Team Members | |
| Crystal Clear Pte Ltd | Payroll Processing for Singapore Payroll Team Members | |
| De Hooge Waerder Beverwijk B.V. | Payroll Processing for Netherlands Payroll Team Members | |
| ECOVIS Hellas LTD | Payroll Processing for Greece Payroll Team Members | |
| Employee Managed Services Pty Ltd | Payroll Processing for Australia Payroll Team Members | |
| Europartner Brasil Sao Paulo A. E C. EMP. SOC. UNIP. LTDA | Payroll Processing for Brazil Payroll Team Members | |
| Google, LLC (G-Suite) | Data Collection, File Storage, and Communication | |
| Grupo IPS Especialistas de RH | Payroll Processing for Mexican Payroll Team Members | |
| HLB M2 Advisory & Business Services sp. Z o.o. | Payroll Processing for Poland Payroll Team Members | |
| Jet HR, Ltd. | Payroll Processing for Italy Payroll Team Members | |
| Leinonen Bulgaria EOOD | Payroll Processing for Bulgaria Payroll Team Members | |
| Leinonen Hungary KFT | Payroll Processing for Hungary Payroll Team Members | |
| Leinonen Suomi Oy | Payroll Processing for Finland Payroll Team Members | |
| Leinonen Sweden AB | Payroll Processing for Sweden Payroll Team Members | |
| Merge API, Inc. | Facilitation of API-based data transfers between the Oyster Platform and Customer HRIS and Payroll Systems | |
| Mochizuki Accounting Office | Payroll Processing for Japan Payroll Team Members | |
| Nexdigm Private Limited | Payroll Processing for India Payroll Team Members | |
| Nexia ABS Financial Services S.R.L. | Payroll Processing for Romania Team Members | |
| Nexia SAB&T | Payroll Processing for South Africa Payroll Team Members | |
| Payworks, Inc. | Payroll Processing for Canada Payroll Team Members | |
| Platin Personel Hizmetleri A.S. | Payroll Processing for Turkey Payroll Team Members | |
| Rosendahl Treuhand + Steuerberatung | Payroll Processing for Switzerland Payroll Team Members | |
| RPI Roehm Internatioan GmbH | Payroll Processing for Germany Payroll Team Members | |
| Sage Spain S.L. | Payroll Processing for Spanish Payroll Team Members | |
| Slack Technologies, LLC | Internal Communications | |
| Snowflake, Inc. | Data Analysis, including analyzing Messaging Data using Snowflake Cortex AI. | |
| trycourier.com, Inc. | Communications Platform for system and service messaging | |
| Unija Smart Accounting d.o.o. Beograd | Payroll Processing for Serbia Payroll Team Members | |
| Unija Smart Accounting d.o.o. Sarajevo | Payroll Processing for Bosnia and Herzegovina Payroll Team Members | |
| Zendesk, Inc. | Helpdesk Ticketing and People Partner Services Communications |
Built from the changes we published; changes we recorded without an alert (parser fixes, entries approved after review) don't appear. Where we later improved how we read a list, an earlier list may look different from the vendor's page at the time.
Gaps in our readings
No gaps since Oct 11, 2026.
All readings (34)
History starts Sep 28, 2026. Dates are UTC. Data CC BY 4.0. Shown as stored when this page was built.