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Top 35 SaaS Companies in Northern Ireland, United Kingdom, May 2026

As of May 2026, there are 35 SaaS companies based in Northern Ireland. They have combined revenues of $180.2M and employ 1.3K employees. They've raised $27.4M in capital and serve 4.5K customers combined.

Companies
35
Revenue
$180.2M
Funding
$27.4M
Employees
1.3K

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Top SaaS Companies in Northern Ireland

Showing 10 of 11 companies ranked by annual revenue.

1
Lead Onion

Portstewart, Northern Ireland, United Kingdom

Find in-market accounts at every buyer journey stage. By capturing buyer research signals across 20 distinct sources, Lead Onion gives you market-leading coverage and intelligence on your target audience. With built-in AI and sales tools, it ensures your outreach succeeds by connecting you with companies precisely when they need you.

Revenue
$1M
Customers
-
Year founded
2020
Funding
-
Team size
11
Growth
-
2
TimeKeeper

Belfast, Northern Ireland, United Kingdom

Meet TimeKeeper, simple time and attendance software for small businesses. Employees can simply clock in and out, track time against jobs and request leave all via their mobile or on a tablet. Never again do you have to worry about calculating how many hours an employee has worked, how long each employee is spending on a job, breaks they are due or how much leave they have remaining. FEATURES • Employees can clock in and out with their unique 4 digit pin on Kiosk mode or using their own mobile account • Manage and view employee annual leave on the app • Photo capture and facial recognition is used at clock in/out to ensure the employee is who they say they are. Can opt out. • Never having to worry about manually calculating employee timesheets • Automatic track the time each employee is spending working on each job • Eliminate hours of manual timesheet data entry into payroll software • Run sophisticated reports on our web platform including Who's In, Staff Timesheets, Job Reports, Timesheet and Payroll Exports. • Secure and safe data storage with automatic backups in the cloud

Revenue
$880K
Customers
-
Year founded
2018
Funding
-
Team size
8
Growth
-
3
Continually

Belfast, Northern Ireland, United Kingdom

Never miss a lead from your website

Revenue
$673.1K
Customers
-
Year founded
2018
Funding
$486.7K
Team size
3
Growth
71.22%
4
iSensing

Belfast, Northern Ireland, United Kingdom

Provider of transportation analytics platform intended to help cities plan for the future of transportation.. The company's platform collects full-spectrum data by deploying sensor networks in cities capturing citizen data, real-time movements and duration, enabling governments and private organizations to meet smart city demands, city growth planning and infrastructure planning.

Revenue
$588.1K
Customers
-
Year founded
2013
Funding
-
Team size
1
Growth
118.43%
5
Gig Grafter Limited

Belfast, Northern Ireland, United Kingdom

Say hello to increased efficiency, flexibility, cost savings, and happier employees with our powerful workforce management platform! Gig Grafter streamlines the processes from Rota Planning, Holiday Management, Time Tracking to Payroll, saving you valuable time. With Gig Grafter, you'll experience a more effortless and effective way to manage your workforce, freeing you up to focus on what really matters - growing your business! Contact [email protected] to request a demo or head over to www.giggrafter.com and start your trial today!

Revenue
$440K
Customers
-
Year founded
2016
Funding
-
Team size
4
Growth
-
6
Diverse Talent AI

Belfast, Northern Ireland, United Kingdom

The Inclusive Hiring Platform. Decreasing recruitment discrimination and increasing diverse workplaces.

Revenue
$440K
Customers
-
Year founded
2020
Funding
-
Team size
4
Growth
-
7
SERP AI

Northern Ireland, United Kingdom

SERP AI is an artificial intelligence research company & platform for all things AI / ML & Data Science

Revenue
$330K
Customers
-
Year founded
2022
Funding
-
Team size
3
Growth
-
8
DisplayNote Technologies

Belfast, Northern Ireland, United Kingdom

Developer of an online interactive presentation software designed to improve how people share ideas and turn those ideas into action. The company's platform enables people to present, share, connect and collaborate in real-time across large-format displays, desktop and mobile devices.

Revenue
$239K
Customers
-
Year founded
2012
Funding
-
Team size
39
Growth
26.5%
9
Zym AI

Portstewart, Northern Ireland, United Kingdom

From uncovering future customers to promoting your business and converting sales fast. Zym’s flexible marketing platform puts you in control of the right tools at the right time. So you can grow your business the way you want to.

Revenue
$220K
Customers
-
Year founded
2020
Funding
-
Team size
2
Growth
-
10
Tubular

Belfast, Northern Ireland, United Kingdom

Capture leads from multiple sources and campaigns, nurture and track deals through in your sales pipeline. Create beautiful sales reports in seconds.

Revenue
$217.5K
Customers
-
Year founded
2016
Funding
-
Team size
3
Growth
-