Best HR Software with Slack Integration (2026)

Last updated: February 2026

If your team lives in Slack, your HR workflows should too. The right integration brings time-off requests, performance feedback, employee directories, and onboarding directly into the channels where work happens—no app-switching required.

        Quick Answer: BambooHR and Rippling offer the most comprehensive Slack integrations for full-suite HR. For performance management and engagement specifically, Lattice and 15Five lead the pack. Gusto is best for payroll-focused Slack notifications.
    

Why Slack Integration Matters for HR

Over 18 million people use Slack daily for work. Forcing them to leave Slack to request time off, check the company directory, or submit feedback creates friction that kills adoption. Native Slack integration meets employees where they are.

Key Benefits of HR-Slack Integration:

Reduced Context Switching: Handle HR tasks without leaving your communication hub
Faster Approvals: Managers approve PTO, expenses, and requests via Slack buttons in seconds
Real-Time Notifications: Get instant alerts for payroll runs, new hires, birthdays, and work anniversaries
Employee Directory Access: Look up contact info, org charts, and who's out today without opening another app
Higher Engagement: Employees are 3x more likely to complete surveys and feedback when prompted in Slack
Streamlined Onboarding: Automate welcome messages, provisioning, and first-day checklists via Slack workflows

What to Look For: Key Slack Integration Capabilities

Not all HR-Slack integrations are created equal. Here's what separates basic bots from powerful workflows:

1. Time-Off & Leave Management

Request PTO via slash commands (e.g., /pto request 3 days starting June 15)
Manager approvals via interactive buttons (Approve/Deny in Slack, no login required)
Calendar integration showing who's out today/this week
Automatic "Out of office" status sync when PTO is approved
Balance inquiries via DM (/pto balance)

2. Employee Directory & Org Charts

Profile lookups (birthday, anniversary, manager, department)
Org chart visualization within Slack
Auto-sync Slack profiles with HRIS data (title, phone, location)
New hire announcements to #general or team channels

3. Performance & Feedback

1-on-1 agenda creation and meeting notes in DMs
Peer recognition (e.g., /kudos @teammate for crushing that deadline)
Pulse surveys & eNPS delivered via Slackbot
Goal check-ins and OKR updates prompted via scheduled messages
360 feedback requests sent and collected in Slack

4. Onboarding & Offboarding

Automated welcome messages to new hires
Buddy/mentor assignments via DM introduction
Onboarding checklist reminders (complete I-9, benefits enrollment, etc.)
Department-specific channel invitations
Offboarding notifications for IT and managers

5. Payroll & Admin Notifications

Payroll run confirmations sent to finance/HR
Paystub availability alerts to employees
Benefits enrollment deadlines and reminders
Compliance alerts (I-9 expirations, required training, etc.)

Top HR Software with Slack Integration

1. BambooHR — Best Overall Slack Integration

Pricing: Custom (starts ~$200/month) | Slack Features: Time-off, directory, approvals, notifications

BambooHR's Slack app is the gold standard for full-suite HRIS in Slack. It handles everything from PTO requests to employee lookups without ever opening BambooHR's web interface.

What Works in Slack:

Time-off requests via /bamboohr time off with interactive date pickers
Manager approvals via Approve/Deny buttons (no login required)
Employee directory — search by name, see full profile (phone, email, manager, department)
Who's Out calendar — view who's off today or this week
Birthday & anniversary notifications to celebrate team milestones
New hire announcements with custom welcome messages
Automatic Slack status sync when PTO is approved

✅ Pros:

Most comprehensive Slack integration in HRIS
Intuitive slash commands and UI
Two-way sync (Slack ↔ BambooHR)
Auto-updates Slack user profiles
Free onboarding support

❌ Cons:

Custom pricing (can be expensive for small teams)
No payroll in Slack (uses partner integrations)
Performance management features limited in Slack

Best For: Companies that want a robust HRIS with best-in-class Slack UX for everyday HR tasks.

2. Rippling — Best for IT + HR Automation

Pricing: $8/user/month (base) + modules | Slack Features: Provisioning, PTO, directory, payroll notifications

Rippling's Slack integration shines when you need to automate employee lifecycle events. It connects HR, IT, and finance in Slack—perfect for remote-first companies.

What Works in Slack:

Automated onboarding workflows — trigger Slack invites, app provisioning, and welcome messages on day one
PTO requests & approvals via slash commands and interactive messages
Employee directory with real-time org chart access
IT provisioning alerts (laptop shipped, software access granted)
Payroll notifications for admins and employees
Offboarding automation — revoke access and notify teams when someone leaves

✅ Pros:

Best-in-class onboarding/offboarding automation
IT + HR unified in Slack
Workflow Builder support for custom triggers
Global payroll notifications
Strong API for advanced customization

❌ Cons:

Costs add up with multiple modules
Complex initial setup
Performance management not deep in Slack

Best For: Tech companies and remote teams that need full employee lifecycle automation in Slack.

3. Lattice — Best for Performance Management in Slack

Pricing: $11/user/month (Performance) | Slack Features: 1-on-1s, feedback, goals, engagement surveys

Lattice is a performance management platform first, and its Slack integration is designed to make feedback and check-ins feel natural and frequent.

What Works in Slack:

1-on-1 meeting prompts — Slackbot suggests agenda items before manager meetings
Peer recognition via /lattice praise (visible in public channels)
Goal updates — check in on OKRs via Slack reminders
Pulse surveys & eNPS delivered directly in DMs with one-click responses
360 feedback requests — collect reviews without email chains
Performance review reminders for managers and employees

✅ Pros:

Deep performance management features
High engagement rates (surveys in Slack get 60%+ response)
Clean, non-intrusive notifications
Integrates with BambooHR, Workday, ADP for employee data

❌ Cons:

Not a full HRIS (no payroll, benefits, time-off)
Requires separate HR system for core functions
Can feel like survey overload if not configured carefully

Best For: Companies prioritizing continuous feedback, goals, and engagement—often paired with BambooHR or Rippling for core HR.

4. 15Five — Best for Weekly Check-ins & Employee Engagement

Pricing: $8/user/month (Engage) | Slack Features: Check-ins, feedback, recognition, 1-on-1s

15Five focuses on manager effectiveness and employee engagement, with a Slack integration designed to make weekly check-ins frictionless.

What Works in Slack:

Weekly check-in reminders delivered via DM (answer questions directly in Slack)
High Five recognition — celebrate wins publicly in team channels
1-on-1 meeting agendas auto-populated from check-ins
Manager digest summarizing team sentiment and highlights
Pulse surveys with contextual follow-ups
Best-Self Review reminders during performance cycles

✅ Pros:

Excellent for building manager-employee connection
Non-invasive Slack prompts feel conversational
Strong focus on mental health and engagement
Affordable for small-medium teams

❌ Cons:

Not a full HR platform (no payroll, benefits, etc.)
Limited Slack functionality compared to BambooHR
Requires discipline to maintain weekly cadence

Best For: Manager-led cultures focused on weekly communication and employee well-being.

5. Gusto — Best for Payroll Notifications in Slack

Pricing: $40/month + $6/person | Slack Features: Payroll alerts, PTO, new hire announcements

Gusto's Slack integration is simpler than BambooHR or Rippling, but it excels at keeping teams informed about payroll and basic HR events.

What Works in Slack:

Payroll run notifications to HR/finance when payroll is submitted
New hire announcements with bio and photo to team channels
Work anniversary celebrations automatically posted
Time-off balance checks via slash command
Benefits enrollment reminders

✅ Pros:

Simple, clean integration
Great for small teams (under 50 people)
Affordable pricing
Quick setup (under 10 minutes)

❌ Cons:

Limited Slack features vs. BambooHR
No advanced workflows or automation
PTO requests still require web login

Best For: Small businesses (5-50 employees) who want basic Slack notifications without complexity.

6. CharlieHR — Best for UK/European Teams

Pricing: £4/user/month | Slack Features: PTO, directory, announcements

CharlieHR is popular in the UK and Europe, offering simple Slack integration for small teams with GDPR-compliant HR needs.

What Works in Slack:

Holiday requests via Slack with manager approval buttons
Employee directory lookup
Who's off today calendar view
Birthday and work anniversary alerts

✅ Pros:

Very affordable for European startups
GDPR-compliant
Simple, no-frills interface
Good for distributed teams

❌ Cons:

Limited features vs. BambooHR/Rippling
Less robust for US payroll/benefits
Smaller ecosystem and integrations

Best For: UK and European startups (under 100 employees) looking for affordable, compliant HR in Slack.

Comparison Table: Slack Integration Features

Platform	PTO in Slack	Directory	Performance	Onboarding	Best For
BambooHR	✅ Full (request & approve)	✅ Excellent	⚠️ Basic	✅ Good	Full HRIS in Slack
Rippling	✅ Full	✅ Excellent	⚠️ Basic	✅ Excellent	IT + HR automation
Lattice	❌ No	❌ No	✅ Excellent	⚠️ Limited	Performance & engagement
15Five	❌ No	❌ No	✅ Excellent	❌ No	Manager check-ins
Gusto	⚠️ View only	⚠️ Limited	❌ No	⚠️ Announcements only	Payroll notifications
CharlieHR	✅ Full	✅ Good	❌ No	⚠️ Basic	UK/EU small teams

Setup & Configuration Tips

Step-by-Step Integration Setup:

Install from Slack App Directory: Search for your HR platform (e.g., "BambooHR") and click "Add to Slack"
Authenticate: Sign in to your HR platform account to grant Slack permissions
Choose Channels: Decide where notifications go (e.g., #general for birthdays, #hr for admin alerts)
Configure Permissions: Set who can approve requests, view directories, etc.
Test with a Demo: Have a test employee request PTO or look up a profile to verify setup
Train Your Team: Post a quick guide to #general showing slash commands and features

Best Practices for Slack HR Workflows:

Don't Over-Notify: Too many automated messages to #general create noise. Limit to important events (new hires, milestones)
Use DMs for Personal Info: Paystubs, benefits, and sensitive data should only be sent via direct message
Enable Emoji Reactions for Approvals: Some tools let managers use 👍/👎 instead of buttons for quick approvals
Sync Slack Status with PTO: Auto-set "Out of office" status when time off is approved
Create a #who-is-out Channel: Post daily/weekly PTO calendars so teams know who's unavailable
Leverage Workflow Builder: Create custom Slack workflows that trigger HR actions (e.g., submit feedback form → create Lattice goal)

Common Issues & Fixes:

Slash commands not working: Re-install the Slack app and re-authenticate
Notifications going to wrong channel: Check channel settings in your HR platform's Slack configuration
Approval buttons not appearing: Ensure managers have proper permissions in both Slack and the HR system
Duplicate notifications: Check for multiple integrations or webhook triggers; disable redundant ones
Employees can't see directory: Verify Slack workspace permissions allow app access to user profiles

        Pro Tip: Create a pinned message in #general or #hr with a cheat sheet of all available slash commands (e.g., /bamboohr time off, /pto balance). New employees will thank you.
    

Slack vs. Microsoft Teams: Which Integration is Better?

Feature	Slack	Microsoft Teams
HR Platform Support	Excellent (all major platforms)	Good (improving, but fewer native apps)
Integration Quality	Deep, native experiences	Often web-based or bot-only
Ease of Use	Slash commands, interactive buttons	Adaptive cards, command bar
Best Platforms	BambooHR, Rippling, Lattice, 15Five	ADP, Workday, BambooHR
Best For	Startups, tech companies, SMBs	Enterprise, Microsoft 365 users

Bottom Line: Slack integrations are generally more mature and user-friendly. If you're already a Microsoft 365 shop, Teams integrations work fine, but Slack still leads in HR platform support and UX quality.

Frequently Asked Questions

Q: Can employees request time off entirely through Slack?

A: Yes, with BambooHR, Rippling, and CharlieHR. These platforms allow full PTO request submission and manager approval without leaving Slack. Gusto and some others require you to view balances in Slack but submit requests via the web app.

Q: Will my employee directory sync automatically to Slack?

A: Depends on the platform. BambooHR and Rippling sync employee data (title, department, manager) to Slack profiles automatically. Others (like Gusto) require manual profile updates or use a bot command to look up info.

Q: Can I control which Slack channels get HR notifications?

A: Yes. All platforms let you configure which events (birthdays, new hires, payroll) post to which channels. Best practice: use a dedicated #hr or #people-ops channel for admin alerts, and #general for celebrations only.

Q: Is sensitive HR data secure in Slack?

A: Yes, when configured properly. Direct messages (DMs) between employees and HR bots are private. Public channels should only receive non-sensitive info (birthdays, PTO calendars). Never post SSNs, salary, or performance reviews to channels. Slack is SOC 2 and GDPR compliant.

Q: Do these integrations work with Slack's free plan?

A: Yes, most HR integrations work fine on Slack's free tier. However, Slack's free plan limits message history to 90 days, which may impact long-term record-keeping. For compliance, consider Slack Pro or export data to your HR system.

Q: Can I customize the Slack bot's name and avatar?

A: Some platforms allow it, others don't. BambooHR and Rippling typically use their branded bot. If you want a custom "HR Assistant" bot, you may need to use Slack Workflow Builder with webhooks to your HR system's API.

Q: What if my team uses both Slack and Microsoft Teams?

A: Most modern HR platforms (BambooHR, Rippling, ADP) support both. You can run integrations in parallel, though it may create confusion about where to submit requests. Pick one as your "primary" HR interface to avoid fragmentation.

Q: Will Slack integration replace my HR platform's web app?

A: Not entirely. Slack is great for everyday tasks (PTO requests, lookups, approvals), but complex workflows (benefits enrollment, performance reviews, payroll changes) still require the web interface. Think of Slack as the "front door" and the web app as the "back office."

Final Verdict: Which HR Software Should You Choose?

🏆 Our Top Picks

Best Overall Slack Integration: BambooHR — Full HRIS features in Slack, excellent UX

Best for Remote/Tech Teams: Rippling — IT + HR automation, onboarding workflows

Best for Performance & Engagement: Lattice or 15Five — Continuous feedback and goals

Budget Pick: Gusto — Simple payroll notifications, great for small teams

Decision Framework:

Need full HRIS in Slack (PTO, directory, approvals)? → BambooHR or Rippling
Prioritizing performance management and feedback? → Lattice or 15Five (pair with BambooHR for core HR)
Small team (under 20) with basic needs? → Gusto or CharlieHR (UK/EU)
Remote-first company needing onboarding automation? → Rippling
Already using Microsoft 365? → Consider Teams integration instead

        Action Step: Start free trials with your top 2 picks. Have 5-10 employees test PTO requests, directory lookups, and notifications. The one that feels most natural wins. Slack adoption lives or dies on UX.
    

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