Grindstone Accelerator
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.
Investments
| Company | Date | Stage | Lead |
|---|---|---|---|
| CreditAIs | Aug 2022 | Accelerator | Co-investor |
| Luxity | Aug 2020 | Accelerator | Co-investor |
| Allxs Media | Nov 2018 | Accelerator | Co-investor |
| Loop | - | Accelerator | Co-investor |
| EyeGym | Dec 2014 | Seed | Co-investor |
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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.
FAQ
Where is Grindstone Accelerator based?
Grindstone Accelerator is headquartered in Cape Town, South Africa.
When was Grindstone Accelerator founded?
Grindstone Accelerator was founded in 2013.
How many portfolio companies does Grindstone Accelerator have?
Grindstone Accelerator has 12 portfolio companies in Caplight's dataset.
What are some companies in Grindstone Accelerator's portfolio?
Portfolio companies visible on Caplight include CreditAIs, Luxity, Allxs Media, Loop, EyeGym.
What was Grindstone Accelerator's most recent investment shown here?
Grindstone Accelerator's most recent investment in this portfolio sample was in CreditAIs in 2022.
What sectors does Grindstone Accelerator focus on?
Grindstone Accelerator focuses on Consumer & Commerce, Enterprise Software, Consumer & Commerce, Healthcare & Life Sciences, Mobility, Transportation & Logistics, FinTech, AI, Data & Cloud Infrastructure, FinTech, FinTech, Enterprise Software, Enterprise Software, Healthcare & Life Sciences, Enterprise Software, AI, Data & Cloud Infrastructure, Consumer & Commerce, AI, Data & Cloud Infrastructure, Enterprise Software, Enterprise Software, AI, Data & Cloud Infrastructure, Enterprise Software, Enterprise Software, Enterprise Software.
What company stages does Grindstone Accelerator focus on?
Grindstone Accelerator typically invests at the Early stage.
What is Grindstone Accelerator's AUM?
Grindstone Accelerator's assets under management are estimated between $6.5M and $6.5M.