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Top 33 SaaS Companies in Belfast, United Kingdom, May 2026

As of May 2026, there are 33 SaaS companies based in Belfast. They have combined revenues of $112.9M and employ 857 employees. They've raised $27.4M in capital and serve 4.5K customers combined.

Companies
33
Revenue
$112.9M
Funding
$27.4M
Employees
857

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Top SaaS Companies in Belfast

Showing 10 of 3 companies ranked by annual revenue.

1
Lightyear

Belfast, Northern Ireland, United Kingdom

Lightyear is a global Software as a Service (SaaS) business focused on developing and building cutting edge fintech products.

Revenue
$17M
Customers
-
Year founded
2017
Funding
$1.3M
Team size
60
Growth
70.64%
2
Sensoteq

Belfast, Northern Ireland, United Kingdom

Sensoteq is a market leader in industrial wireless sensing for condition monitoring, specialising in wireless sensor solutions for remote machine health monitoring. Their technology enables predictive maintenance of industrial applications.

Revenue
$12.4M
Customers
-
Year founded
2016
Funding
-
Team size
58
Growth
-
3
Datactics

Belfast, Northern Ireland, United Kingdom

Developer of data quality software intended to tackle common issues in banks largely arising due legacy IT systems. The company's software offers to deliver continuous data quality and regulatory compliance to comply with financial regulations and improve data quality, enabling clients to have their data in order and quickly respond to new standards.

Revenue
$10.2M
Customers
-
Year founded
1999
Funding
$6M
Team size
48
Growth
75.79%