# How Halcyon uses Rillet

**5 days** Month-end close, down from 2 weeks

As published on [rillet.com](https://www.rillet.com/case-studies/how-halcyon-went-multi-entity-and-brought-its-entire-accounting-function-in-house). Captured by usedby on 2026-10-08.

- Company: [Halcyon](https://www.usedby.ai/companies/halcyon.md)
- Tool: [Rillet](https://www.usedby.ai/tools/rillet.md)
- Teams: Accounting, Finance

## What the story says

Halcyon uses Rillet as its ERP to run multi-entity, multi-currency accounting and consolidation across its international subsidiaries. It also handles revenue recognition, month-end close, flux analysis, ARR tracking tied to Salesforce, and investor reporting.

Summary written by usedby from the source page, in English. The figures are those of Rillet and Halcyon, not ours.

> The month-end close went from two weeks to five days. The team went from four people, two of them external, to two full-time employees in-house.

- **two to three days**: “The flux analysis, which had consumed two to three days at the tail end of every close, now runs inside Rillet”
- **week two**: “Budget-to-actuals reporting that used to go out in week three now goes out in week two”

> I can run reports on a subsidiary level, on a consolidated level, by a subsidiary in foreign currency. It's extremely easy to export and send to external teams. And it creates very professional-looking financials. I'm not sending investors an Excel spreadsheet anymore.
>
> Jackie Fenn, VP of Accounting at Halcyon

## What usedby checked

We compared the story with its live page on 2026-10-08.

- Checked: the figure 5 days is on the page; its label is our wording.
- Checked: the passage quoted above is copied word for word from the page, near the name of Halcyon.
- Checked: Halcyon uses Rillet. Confirmed line. Latest check across sources: 2026-10-08.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/halcyon-rillet · How we check: https://www.usedby.ai/methodology