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Top 15 SaaS Companies in Portsmouth, United States, May 2026

As of May 2026, there are 15 SaaS companies based in Portsmouth. They have combined revenues of $464.3M and employ 3.7K employees. They've raised $44.8M in capital and serve 75K customers combined.

Companies
15
Revenue
$464.3M
Funding
$44.8M
Employees
3.7K

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Top SaaS Companies in Portsmouth

Showing 10 of 1 companies ranked by annual revenue.

1
Bottomline

Portsmouth, New Hampshire, United States

At Bottomline, we help businesses pay and get paid. As a trusted partner to banks, corporates, and financial institutions worldwide, we deliver secure, scalable, and innovative solutions that simplify complex payment workflows, reduce fraud risk, and drive operational efficiency. With decades of expertise in financial messaging, cash management, and digital banking, our SaaS platforms and services are built to meet the evolving needs of modern finance teams. Whether it's automating B2B payments, streamlining compliance, or enabling real-time visibility into cash flow, Bottomline is committed to making business payments seamless and secure. We serve over 1,200 financial institutions and 10,000 businesses globally, helping them navigate the future of payments with confidence.

Revenue
$315.4M
Customers
75K
Year founded
1989
Funding
-
Team size
2.9K
Growth
-
Portsmouth, United States SaaS Companies | GetLatka