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Top 34 SaaS Companies in Belfast, United Kingdom, June 2026

As of June 2026, there are 34 SaaS companies based in Belfast. They have combined revenues of $113.2M and employ 860 employees. They've raised $27.5M in capital and serve 4.5K customers combined.

Companies
34
Revenue
$113.2M
Funding
$27.5M
Employees
860

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Top SaaS Companies in Belfast

Showing 10 of 34 companies ranked by annual revenue.

1Lightyear logo
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%
2Sensoteq logo
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
-
3Datactics logo
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%
4Frank AI logo
Frank AI

Belfast, Antrim, United Kingdom

Frank is an independent award-winning design company. We make ideas that move companies, brands, audiences and people. We provide expertise in brand identity, motion graphics and digital content design and co-create ideas that move across a variety of media platforms. Frank opened its doors in 2004 as an energetic creative studio with a broad skill-set and ambitious ideas to match. Since then we’ve been doing different things for lots of different people, steadily building our reputation as a design company known for creativity, intelligence and technical excellence. We help brands connect with people by creating distinctive work of cultural relevance and commercial value. We believe that brand communication should be dynamic, relevant and human so we think empathically about customer experience and create ideas that move physically and emotionally. We plan everything we do and take a measured strategic approach to brand building and creative expression. We combine design thinking with technical rigor to deliver outputs across a wide range of media. This approach sees us developing comprehensive branding programmes, award-winning websites and dynamic motion graphics for TV and film. In 2007, we entered our first award ceremony and won in three categories at the Irish Design Awards. Since then, we’ve received many more nominations and awards for our creativity, including best Young Marketing Company at the Chartered Institute of Marketing awards. As an Investor in People, we’re passionate about learning and continuous improvement. And through our strong roster of client relationships, we have developed relative expertise working in a number of industry sectors including arts & culture, TV & film, tourism & leisure, food & drink and technology.

Revenue
$9.9M
Customers
-
Year founded
2004
Funding
-
Team size
90
Growth
-
5TeamFeePay logo
TeamFeePay

Belfast, Northern Ireland, United Kingdom

TeamFeePay is a specialized platform designed to streamline the management of football clubs, primarily serving grassroots and community clubs. It operates as a payment and membership management system that helps sports clubs collect all forms of payments and donations from their members.

Revenue
$9.4M
Customers
-
Year founded
2018
Funding
-
Team size
74
Growth
-
6Storm Harvester logo
Storm Harvester

Belfast, Northern Ireland, United Kingdom

Developer of an automated water management software designed to reduce urban flooding and facilitate water reuse and recycling.

Revenue
$8.2M
Customers
-
Year founded
2012
Funding
-
Team size
88
Growth
-
7Replyify logo
Replyify

Belfast, Northern Ireland, United Kingdom

B2B sales platform to automate cold emails & follow-ups generating a consistent pipeline of leads to your inbox and CRM

Revenue
$5.3M
Customers
2K
Year founded
2017
Funding
-
Team size
9
Growth
31.78%
8Cloudsmith logo
Cloudsmith

Belfast, Northern Ireland, United Kingdom

Cloudsmith is your friendly neighborhood SaaS for Package Management. Level up your DevOps with enterprise-grade hosted repositories for Alpine, Composer, Debian, Maven, Npm, Python, RedHat, Ruby, Vagrant, Raw & More!

Revenue
$3.4M
Customers
-
Year founded
2016
Funding
$18.1M
Team size
57
Growth
73.69%
9Anaeko logo
Anaeko

Belfast, Northern Ireland, United Kingdom

Developer of enterprise software designed to solve complex technical problems. The company's multi-cloud cloud integrator platform specializes in the development, integration, and testing of hybrid cloud products and solutions, enabling cloud providers with cloud development and test services.

Revenue
$3.2M
Customers
-
Year founded
2004
Funding
-
Team size
36
Growth
49.92%
10Hurree logo
Hurree

Belfast, Northern Ireland, United Kingdom

Hurree is a mobile marketing and engagement platform.

Revenue
$3.2M
Customers
-
Year founded
2014
Funding
$461.1K
Team size
38
Growth
49.53%