!
Quick answer

There is no single best leave management tool for UK small businesses. Book Time Off (£1 per user / month) is the most affordable dedicated tracker; Timetastic (£1.20) is the established UK leader; Leave Dates has the lowest headline price, from £0.75 per user per month; BrightHR, CharlieHR and BambooHR bundle leave with broader HR features at 4 to 5x the cost. Pick by team size, budget, and whether you need HR features beyond leave.

i
Part of the staff holiday management system
This guide is one part of the wider staff holiday management guide, which covers requests, approvals, holiday clashes, bank holidays, records, spreadsheets and software in one practical framework.

What to look for in 2026

Before comparing tools, get clear on what your team actually needs. UK SMEs typically need a small set of features done well rather than a sprawling HRIS. The criteria below apply across team sizes from 5 to 250.

📅
A real team calendar
Showing who is off, when, and at what stage of approval. A calendar that nobody opens is not a calendar; the tool needs to surface this view by default.
🇺🇰
UK bank holidays
Auto-loaded for the right region (England & Wales, Scotland, Northern Ireland) so they appear on the calendar without being deducted from anyone's allowance.
✅
One-click approvals
Managers should be able to approve or decline straight from an email, without logging in. The faster this loop, the lower the chance of bottlenecks.
⏱
Half-days & custom leave types
AM/PM bookings for medical appointments, plus custom types for sickness, maternity, jury service and the like under one shared approval workflow.
🔒
UK GDPR compliance
Data hosted in the UK or EU, a signed data processing agreement, audit logs, and clear retention controls. This is non-negotiable for UK businesses.
£
Honest pricing
Per-user, per-month, with no hidden setup fees, no minimum users, and no annual contract lock-in. For under 30 staff, anything over £2 / user / month for leave alone is hard to justify.
i
What you probably don't need

Performance reviews, document e-signature, payroll runs, applicant tracking, time clocking, and 360-degree feedback. These are all useful eventually, but adding them to your leave tool is the most common reason small teams overpay. Start with a dedicated leave tracker; upgrade to an HRIS only when leave is no longer the bottleneck.

The 7 picks at a glance

Each pick below is the strongest option in its category for UK small businesses in 2026. Pricing was checked against each provider's public pricing page in May 2026 and is per user per month inclusive of VAT where stated, exclusive of VAT where not.

1
Book Time Off
Best value

Book Time Off · best value at £1 / user / month

Book Time Off

£1 / user / month
UK-built · dedicated leave tracking only · that's us
Strengths: The lowest price among dedicated UK leave trackers. Calendar and wallchart views, custom annual allowances per person, custom leave types beyond annual leave (sickness, maternity, jury service), half-day bookings, one-click email approvals, departments with manager and capacity limits, UK bank holidays auto-loaded from the GOV.UK feed for England & Wales, Scotland, and Northern Ireland (never deducted from allowance), Timetastic import for switchers, 30-day free trial with no card required and no minimum users.
Trade-offs: A newer tool, so the brand is less recognised than Timetastic. No built-in HR features beyond leave (no contracts, no performance reviews, no document storage). No native mobile app yet (the web app is mobile-friendly, but if a separate app on the App Store matters to your team, look elsewhere). Per-person working day patterns are not supported · the working week is set company-wide.
Best for: UK SMEs from 5 to 100 staff who want a focused leave tracker at the lowest credible price, especially those moving off spreadsheets or looking for a cheaper alternative to Timetastic.
2
Timetastic
Best established UK tool

Timetastic · the UK market leader

Timetastic

£1.20 / user / month
UK-built · the original SME leave tracker · thousands of UK customers
Strengths: The most established UK SME leave tracker, with thousands of paying customers and a deep, polished feature set. Apps for iOS and Android, Slack and Microsoft Teams integrations, calendar feeds for Outlook and Google, and an established "Burnout Board" feature flagging staff who haven't booked time off. Strong onboarding flows and very mature documentation.
Trade-offs: 20% more expensive than Book Time Off on the standard tier. The Pro tier (£2.50 / user / month) adds approval workflows, working pattern controls and reporting that some teams find essential, lifting the real-world cost. As an established product, the interface carries some legacy patterns that newer tools have rethought.
Best for: UK SMEs that want a battle-tested tool from a known UK vendor, value the iOS and Android apps, or specifically need Slack and Teams integrations.
3
Leave Dates
Lowest headline price

Leave Dates · the lowest headline price

Leave Dates

From £0.75 / user / mo
UK-built · clean visual planner · tiered pricing
Strengths: Pricing starts at £0.75 per user per month on the annual Starter tier (£1 monthly), one of the lowest headline rates in the UK. Clean visual year-planner that some users prefer over a calendar grid. On monthly billing it is £1, the same as Book Time Off. 30-day free trial. UK GDPR compliant, UK-built and supported.
Trade-offs: The visual planner is the main interface, which works well for some teams and feels constrained for others; less flexible if you prefer a traditional team calendar. Reporting is lighter than Timetastic Pro or Book Time Off. The lowest rate needs annual commitment; on monthly billing it matches Book Time Off at £1.
Best for: Solo founders and very small teams who want the lowest headline price, or anyone who prefers a visual year-planner over a calendar grid.
4
BrightHR
Best with HR advice line

BrightHR · leave plus 24/7 employment law support

BrightHR

From £4 / user / month
UK HR platform · leave is one feature among many · advice line included
Strengths: Combines holiday booking with sickness tracking, document storage, contracts, shift rotas and performance. Owned by Peninsula, which means subscriptions can include 24/7 employment law guidance · valuable for SMEs without an in-house HR person. Strong UK compliance focus with policy templates aligned to UK law.
Trade-offs: Roughly four times the per-user cost of dedicated leave tools. Pricing is opaque and varies significantly by sales rep and contract length. Leave booking is competent rather than best-in-class · the tool is broader by design. Annual contracts are common.
Best for: UK SMEs of 20+ staff that genuinely value the 24/7 HR advice line and want a single tool for HR documents, sickness tracking and leave together.
5
CharlieHR
Best UK HRIS for under-50s

CharlieHR · UK HRIS for startups and growing teams

CharlieHR

From £4 / user / month
UK-built HRIS · design-led · leave plus core HR features
Strengths: Friendly, modern interface that startup teams find easy to adopt. Bundles leave with employee records, onboarding, performance reviews and HR documents. UK-built and supported, with a pricing model that scales by user. No-card free trial.
Trade-offs: Four times the cost of dedicated leave tools. Payroll is limited or absent depending on the plan. If leave is the only thing you need, the additional features make it harder to find the leave-booking flow without paying for a lot you may not use.
Best for: UK startups and creative agencies of 10 to 50 people who want a single tool for leave and core HR with a design-led UX.
6
BambooHR
Best mid-market HRIS

BambooHR · full HRIS with leave as a module

BambooHR

Quote-based · ~£5+ / user / month
US-built mid-market HRIS · UK-friendly but not UK-first
Strengths: A mature, full-featured HR information system. Onboarding workflows, performance reviews, payroll integrations, deep reporting, document storage, and e-signature. Holiday tracking is competent if not the headline feature. Widely used in the UK in the 50 to 500 employee bracket.
Trade-offs: Pricing is quote-based and well above dedicated UK trackers. Setup takes weeks rather than hours. The product is US-built so language and date defaults can need configuration ("PTO" rather than "annual leave"). Significant overkill if leave is your only requirement.
Best for: UK businesses of 50+ staff who need a proper HRIS and have HR admin beyond leave to consolidate.
7
Sage HR
Best for existing Sage users

Sage HR · the obvious pick if you already use Sage

Sage HR

From £4 / user / month
UK HR platform · modular pricing · integrates with Sage Payroll
Strengths: Made by Sage, the dominant UK accounting software vendor, so integration with Sage Payroll is excellent. Modular pricing · the leave module alone is competitively priced (around £1.40 / user / month) before adding shift scheduling, performance and recruitment. UK compliance focus.
Trade-offs: The leave module on its own is more expensive than Book Time Off or Leave Dates. The interface is mature and functional rather than fresh. The wider Sage HR product is a step less polished than CharlieHR for UX-focused teams.
Best for: UK businesses that already run Sage Payroll or Sage Accounting and want everything from a single vendor.

Pricing comparison

Quick side-by-side as of May 2026. Prices are per user per month, based on each vendor's published pricing page or, where pricing is quote-based, indicative figures from public reviews and reseller listings.

Tool Price Free trial Best for
Book Time Off £1.00 30 days, no card Lowest-cost dedicated tracker
Leave Dates From £0.75 From £0.75/user/mo Very small teams
Timetastic £1.20 / £2.50 Pro 1 month free Established UK leader
Sage HR (leave module) ~£1.40 30 days Existing Sage users
CharlieHR From £4.00 7 days UK startups (under 50)
BrightHR From £4.00 14 days HR advice line bundled
BambooHR Quote-based ~£5+ 7 days Mid-market HRIS (50+)
!
A note on quote-based pricing

Several HR platforms (BambooHR, BrightHR, occasionally CharlieHR for larger teams) only publish indicative pricing and require a sales call before disclosing real cost. Always ask for a written quote in writing covering the per-user price, the minimum contract length, and any setup or onboarding fees, then compare like-for-like against tools with public pricing.

How to choose in 5 steps

If you have read down to here and still aren't sure, work through this short framework. Most UK SMEs will have an obvious answer by step 3.

Decide whether you need leave alone or HR more broadly

If today's pain is "we are tracking holidays in a spreadsheet and someone keeps booking the same week", you need a dedicated leave tracker. If you are also struggling with contracts, performance reviews, document storage or onboarding, you may want an HRIS. Most teams under 30 are firmly in the first camp.

Set a per-user price ceiling

For 5 to 30 staff, a sensible ceiling is £2 / user / month. For 30 to 100 with broader HR needs, £5. Above that, you should be getting payroll, performance, document storage or specific compliance value · not just leave. This single decision rules out roughly half the market for most SMEs.

Trial 2 or 3 tools at the same time

Pick a couple from the picks above that fit your budget and run them in parallel for two weeks. Add the same 5 people, set up the same allowance, book a few requests, run an approval. The tool that feels fastest for you and clearest for the team is usually the right one. Free trials are designed for this; use them.

Check the data and contract terms

Before you commit, confirm: data is hosted in the UK or EU, the supplier signs a UK GDPR data processing agreement, you can export all your data on cancellation, and there is no annual lock-in unless explicitly agreed and discounted for. Most reputable tools clear all four; some larger HR platforms quietly fail on the lock-in test.

Migrate in one go, then never touch the spreadsheet again

The biggest source of admin pain is running two trackers at once. Pick a date, export your spreadsheet, import to the new tool, communicate the switchover to the team, and delete the spreadsheet's row reference from your bookmarks. Tools like Book Time Off and Timetastic support a direct import for migration; if you are coming from Timetastic specifically, see our companion Timetastic alternatives 2026 guide which covers the migration route in detail.

✓
Still on a spreadsheet?

If your current process is a shared Google Sheet or Excel file, the threshold to switch is lower than people think. For under £15 / month for a 15-person team, you remove the audit risk, the duplicate-booking risk, and roughly 30 minutes of admin time per week. See our companion guide on how to manage staff holidays without spreadsheets for the full case.

Frequently asked questions

What is the best leave management software for small businesses in the UK?

There is no single best tool because the right answer depends on team size, budget, and whether leave is the only thing being tracked. Book Time Off and Timetastic are the leading dedicated UK leave trackers; Leave Dates is the cheapest dedicated option for very small teams; BrightHR and CharlieHR suit teams that want broader HR features alongside leave; BambooHR is built for mid-market HRIS needs. Most UK SMEs are best served by a focused leave tracker rather than a full HRIS.

How much does leave management software cost in the UK?

Dedicated leave management tools in the UK typically charge between £1 and £2 per user per month. Book Time Off is £1, Timetastic is £1.20, and Leave Dates starts at £0.75 per user per month on its annual Starter tier. Full HR platforms that include leave alongside other features (BrightHR, CharlieHR, Sage HR) typically cost £4 to £6 per user per month, and HRIS systems like BambooHR are usually quote-based starting around £5 per user per month.

Do I need leave management software for a team of fewer than 10 people?

It is not a legal requirement, but spreadsheets become risky and time-consuming once the team passes around five people. Risks include miscalculated entitlement, unauthorised data access (a UK GDPR concern), missed approvals, and disputes over what was booked. For under 5 people, Leave Dates' Starter tier (from £0.75 per user per month) is usually the cheapest option. From 5 to 10 people, paying £1 to £2 per user per month is usually cheaper than the time it costs to maintain a tracker manually.

What features do small UK businesses actually need from a leave tracker?

The essentials are: a team calendar showing who is off, custom annual allowances per person, automatic UK bank holiday handling for the right region, half-day bookings, one-click approval workflows, days remaining at a glance, and CSV export for payroll. Nice-to-have features include departments with capacity limits, custom leave types (sickness, maternity, jury service), and integrations with Slack, Google Calendar, or Outlook. Most SMEs do not need performance reviews, payroll, or document storage in the same tool.

Should I pick a dedicated leave tool or a full HR platform?

If leave is the only thing you currently track in a spreadsheet, a dedicated tool is faster to set up, cheaper, and easier for the team to learn. If you also need contracts, performance reviews, document storage, or payroll integration, an HR platform like BrightHR or CharlieHR can be worthwhile despite the higher cost. A common pattern is to start with a dedicated leave tool for the first 1 to 30 employees, then upgrade to an HRIS once HR admin grows beyond leave alone.

Is leave management software UK GDPR compliant?

All major UK-targeted leave management tools (Book Time Off, Timetastic, Leave Dates, BrightHR, CharlieHR) are designed with UK GDPR in mind: they act as data processors, sign data processing agreements with you the data controller, host data in the UK or EU, and provide audit logs. UK SMEs should always check the supplier's privacy policy and data processing agreement before signing up, and prefer suppliers that host data within the UK or EU rather than transferring it abroad.

Sources

TopicSource
UK statutory leave entitlement (5.6 weeks) GOV.UK: Holiday entitlement
UK GDPR for SMEs (data processor obligations) ICO: UK GDPR guidance
UK bank holidays (data feed) GOV.UK: Bank holidays
ACAS guidance on holiday booking and refusal ACAS: Booking and taking holiday
Working Time Regulations 1998 (notice rules) legislation.gov.uk: WTR Reg 15
Pricing checked May 2026 against each vendor's public pricing page Book Time Off, Timetastic, Leave Dates, BrightHR, CharlieHR, BambooHR, Sage HR
About this guide

Written by the Book Time Off editorial team. We build leave management software for UK SMEs and write practical guides on UK employment law, holiday entitlement, and HR best practice. We make one of the tools listed above and have been upfront about that throughout. All pricing was verified against each vendor's public pricing page in May 2026.

!
This is not legal advice

This guide is a commercial comparison of leave management tools as at May 2026 and does not constitute employment law advice. For advice on a specific situation, contact a qualified solicitor or the ACAS helpline on 0300 123 1100.