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Gusto — IT Setup Guide

One-time setup steps to connect Gusto to SIA

2 min readUpdated Nov 1, 2026

This guide is for IT administrators and Gusto account owners. Gusto connects to SIA through Composio — a managed connection service that handles authentication with a single sign-in. There's nothing to generate ahead of time.

Once setup is complete, your HR team can start using SIA's capabilities directly from Gusto. See the Gusto HR Workflow Guide for what they can do from there.

Note: Connecting Gusto to SIA connects it for your entire organisation, not just your account. Disconnecting it turns it off for everyone — confirm with your team before making any changes.

Before you begin

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All you need is a login to Gusto with enough permissions to approve a third-party integration, usually an admin or owner account. There's nothing to generate or copy ahead of time.

Step 1 — Open Connectors in SIA

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  1. Log in to your SIA account
  2. Click your Profile icon in the bottom-left corner
  3. Click Connectors from the menu
  4. You'll land on the Connectors page

Step 2 — Find Gusto and connect

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  1. Search for Gusto by name
  2. Click Connect on its tile

Step 3 — Authorise access

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  1. You'll be redirected to Gusto's own sign-in page
  2. Log in with an account that has permission to approve integrations
  3. Review the permissions SIA is requesting and click Approve

Step 4 — Back in SIA

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  1. Once you approve, you're redirected back to SIA automatically
  2. The Gusto tile now shows Connected

Nothing to copy or paste at any point. The entire flow runs through Gusto's own login screen.

Enable automatic syncing

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To enable automatic syncing of your Gusto data with SIA, reach out to the Senseloaf team at support@senseloaf.com. The team will configure and enable the bidirectional sync for your organisation.

What happens once connected

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Once Gusto is connected, SIA begins syncing data automatically — no further setup required from IT. For a full overview of what the HR team can do from here, see the Gusto HR Workflow Guide.

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