The 13 SaaS Companies Ranked by Spend from Leeds (2026)
Leeds is home to 13 recorded SaaS and AI products headquartered here, led by AppCheck NG. The order uses recorded software spend share in the Cledara dataset; directory inclusion does not establish current paid usage. Data as of .
What this ranking measures
Location is the recorded headquarters, which may differ from where a company was founded or where its customers operate. Vendors are ordered by trailing-12-month software spend share in the Cledara dataset. Recorded products without a current paid observation remain in the directory; inclusion alone does not establish current paid usage.
Annual rank changes use the separate global popularity rank, based on payment activity. Missing calendar endpoints stay unavailable. Founding year, employee and funding fields are recorded enrichment facts, which can be incomplete or historical. Full source data is available from the CSV and JSON download links.
The headline and leader facts describe the complete published location. Search and category selections apply to the directory and its downloads.
Top SaaS companies from Leeds
| # | Product | Category | Founded | Employees | Funding | 12-mo activity rank change |
|---|---|---|---|---|---|---|
| 1 |  AppCheck NG AppCheck provides a cloud-based vulnerability scanning platform that identifies security vulnerabilities across websites, applications, networks, and cloud infrastructure. The platform performs automated scans to detect security risks and help organizations monitor and manage system vulnerabilities. | IT & Security | 51-200 employees | |||
| 2 | Gravita | Marketing & Growth | 2013 | 2-10 employees | ||
| 3 |  HLR Lookout HLR Lookup is an online platform that performs real-time Home Location Register (HLR) queries to check the status of mobile telephone numbers direct from mobile network operators’ subscriber databases. The platform returns technical details about a phone number’s current status and network information via a web interface, bulk upload, or API. | Sales & Revenue | 2011 | 11-50 employees | ||
| 4 |  Urlbox Urlbox is a service that provides a fast and reliable website screenshot API, allowing users to render URLs and HTML into shareable images. | Engineering & DevOps | 2012 | 2-10 employees | -102 | |
| 5 | Asda | 10,001+ employees | ||||
| 6 | Farnell | Operations & Supply Chain | 1,001-5,000 employees | |||
| 7 | Heart Internet | Engineering & DevOps | 2004 | 51-200 employees | ||
| 8 | Jet2 | 2002 | 10,001+ employees | |||
| 9 |  Little Warden Little Warden is a web-based monitoring tool that performs over 30 automated checks on specified URLs up to once per hour. It detects changes in DNS records (e.g., nameserver, MX, IP address), SSL certificate and domain expiration, HTTP response codes, redirect behavior, robots.txt, sitemap validity, and HTML elements like title tags and meta descriptions. Limitations include dependency on interne | Engineering & DevOps | 2017 | 2-10 employees | ||
| 10 |  Pacr Pacr is a platform that allows users to track the spend for all managed account across their media channels. | Marketing & Growth | 2022 | 2-10 employees | ||
| 11 |  RapidSpike RapidSpike is a website monitoring platform that detects performance issues, security vulnerabilities, and third-party risks, providing alerts and insights for optimization. | Engineering & DevOps | 2015 | 11-50 employees | $1M - $5M | |
| 12 | Uppbeat | Marketing & Growth | 11-50 employees | $10M - $25M | ||
| 13 | Wizu Workspace | Operations & Supply Chain | 2016 | 11-50 employees |
Leeds startups by size and funding
The largest SaaS company from Leeds by headcount is Jet2 (10,001+ employees).
2 of 13 have disclosed funding, topped by Uppbeat ($10M - $25M).
The newest entrant is Pacr (founded 2022).
What Leeds startups build
- Engineering & DevOps 4
- Marketing & Growth 3
- Other 2
- Operations & Supply Chain 2
- IT & Security 1
- Sales & Revenue 1
Leeds vs the United Kingdom
Leeds accounts for 1% of the 883 recorded SaaS products headquartered in the United Kingdom. See the full United Kingdom ranking →
Frequently asked questions
Which SaaS vendors lead the Leeds spend ranking?
AppCheck NG, Gravita and HLR Lookout are the leading SaaS products headquartered in Leeds, ordered by recorded software spend share in the Cledara dataset. Last updated 21 October 2026, 12:17 UTC.
How many SaaS companies are based in Leeds?
13 SaaS and AI products have recorded headquarters in Leeds in this directory. Products without current paid observations remain included. This is a Cledara dataset count, not a census of local companies.
How is this different from other Leeds startup lists?
This directory groups vendors by recorded headquarters and orders them by trailing-12-month software spend share in Cledara's customer dataset. The annual change column uses the separate global payment-activity rank. Neither measure is a distinct-customer adoption percentage.