About Siman Systems
Siman Systems is a Financial Services company based in London (United Kingdom) founded in 2019 by David Simpson, and was acquired by HazelTree in August 2025. Treasury management software is provided for margin replication and optimization. It operates in the Financial Services and Technology sectors. Its chief executive, as recorded, is David Simpson. Its focus areas include FinTech, Investment Tech, Capital Market IT and Trade Management.
Company details
Provider of treasury management software. This software offers accurate replication of prime broker margin and financing cost models. It includes margin optimization capabilities, portfolio manager attribution tools, and support for uncleared margin rules. The software also provides real-time cash reporting and facilitates stress testing to assess the impact of various market conditions and liquidity stresses. The platform helps firms reduce financing costs, attribute capital to traders, and improve overall capital efficiency. It enhances transparency in prime broker relationships and improves the economic and liquidity health of asset managers.
- Headquarters London, United Kingdom
- Founders David Simpson
- Stage Acquired
- SectorsFinancial ServicesTechnology
- Email••••••••
- Phone•••• ••••
- Website simansystems.com
- Social LinkedIn
- Acquired by HazelTree (Aug 2025)
Investors in Siman Systems
Siman Systems has secured backing from 1 investor. Prominent investors backing the company include HazelTree.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Treasury management solutions are offered for cash and collateral optimization. | 2009 | hazeltree.com | New York, United States |
Investor details for Siman Systems
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- Round participation
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People of Siman Systems
1 people are tracked at Siman Systems (1 in leadership).
| Name | Role | Group |
|---|---|---|
David Simpson | Founder & CEO | Leadership |
Complete people profiles for Siman Systems
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- Full employee list
- Team structure
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Verified entity values are shown only after access is granted.
Timeline of Siman Systems
2 dated milestones of Siman Systems across 6 years, from founding to its latest funding, stage changes and deals.
- Founded Siman Systems is founded.
- Exit Acquired by HazelTree.
Top companies in Regulatory & Compliance Tech
3 companies that operate in the same segment as Siman Systems (Regulatory & Compliance Tech) in United Kingdom, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Cloud-based anti-money laundering solutions are provided for compliance. | 2014 | London, England, United Kingdom | USD 167.21 M | USD 45.67 M | 443 | |
AI-powered data and decision intelligence solutions are provided for businesses. | 2016 | London, England, United Kingdom | USD 545.02 M | USD 161.29 M | 886 | |
Identity verification solutions are provided for multiple industries digitally. | 2014 | London, England, United Kingdom | USD 48.99 M |
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Frequently Asked Questions about Siman Systems
Siman Systems was founded in 2019.
Siman Systems is headquartered in London, United Kingdom. It is registered at London, England, United Kingdom.
David Simpson is the CEO of Siman Systems, as recorded in our data. They have also founded this company.
Provider of treasury management software. This software offers accurate replication of prime broker margin and financing cost models. It includes margin optimization capabilities, portfolio manager attribution tools, and support for uncleared margin rules. The software also provides real-time cash reporting and facilitates stress testing to assess the impact of various market conditions and liquidity stresses. The platform helps firms reduce financing costs, attribute capital to traders, and improve overall capital efficiency. It enhances transparency in prime broker relationships and improves the economic and liquidity health of asset managers.
Siman Systems has 1 investor. Key investors include HazelTree.
Yes. Siman Systems was acquired by HazelTree in August 2025.