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SusPhos

SusPhos

Private
LeeuwardenEnergy & Sustainabilityhttps://www.susphos.com/

Last Round

Grant

Jun 1, 2022

Total Funding Raised

$3M

Company Overview

SusPhos is a Dutch cleantech company with a patented technology to recycle phosphate-rich waste streams into high-value products such as sustainable fertilizers and flame retardants.

Sector

Energy & Sustainability

Verticals

Circular Economy, Waste Management, Sustainable Materials, Clean Manufacturing

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting, Government Contracts

AI Layer

Non-AI

Keywords

phosphate recyclingphosphate recoverycircular economywaste to valuesewage sludge ashwaste upcyclingfertilizer raw materialcement substituteresource recoverynutrient recoverysustainable materialswet chemical extractionsludge-to-valueSupplementary Cementing Materialzero-waste process

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Caplight Momentum Score

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SusPhos Comparables

Compare SusPhos with similar companies based on industry and business-model similarity.

SusPhos comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Ragn-Sells Group
79%
Kemira Oyj
72%
Ostara
70%

SusPhos Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantJun 1, 2022
GrantDec 10, 2019
GrantNov 27, 2019
SeedNov 14, 2019
Convertible DebtNov 14, 2019

Key People

Founding team and executive leadership

Marissa de Boer

CEO Founder At SusPhos

Founding Team

Marissa Dierlam

CEO Founder At SusPhos

Founding Team

Wiebe Abma

CTO

Executive Team

Jeroen Bulk

Chief Financial Officer

Executive Team

SusPhos Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Feb 16, 2026

    Grew 67% QoQ, from 12 to 20 employees.

  • Mar 8, 2025

    Grew 24% QoQ from 17 to 21 employees.

SusPhos Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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SusPhos Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about SusPhos's valuation, stock price, and market status.

Firmographic Details

HeadquartersLeeuwarden
Employee Range20
Year Founded2019
Last FundingJun 1, 2022

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