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Grindstone Accelerator

Grindstone Accelerator

Cape Towngrindstonexl.com

Overview

Grindstone Accelerator is a structured entrepreneurship development programme that assists high-growth innovation-driven companies to become sustainable and fundable. Jointly owned by venture capital firm Knife Capital and consultancy Thinkroom, the accelerator provides companies with knowledge, networks, market access, and funding readiness.

Year Founded

2013

Portfolio Companies

1

Investments

CompanyDateStageLead
GworkAug 2020AcceleratorLead

Key People

Keet van Zyl

Co-Founder

Onthatile Masombuka

Founder In Incubation Grindstone E² Accelerator Programme (Cohort 2025 26)

Rapelang Rabana

Venture Partner

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2026

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Firmographic Details

HeadquartersCape Town
Year Founded2013

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