Pentablock, a unique interlocking vertical construction block system, was started by Joel Norford in 2010. As of January 2024, Pentablock net worth is $6.5 million and they have annual revenue below $5 million. 

In 2016 June, they appeared on season 02 of Shark Tank Australia and made a deal with Janine Allis, for $350,000 for 33% of equity. The final valuation was $882K million, down from the founder’s initial estimate of $3.5 million.

As of 2024 January, the company is still in business. You can get their services by visiting their website

Pentablock Net Worth

Net worth$6.5 million
Annual Sales RevenueBelow $5 million
Lifetime sales
InvestorJanine Allis
FounderJoel Norford 
Employees1-10 employees

Pentablock Net Worth Timeline

Net Worth 2024$6.5 million
Net Worth 2023$6.2 million
Net Worth 2022$5 million
Net Worth 2021$4.5 million
Net worth valuation 2016 after appearing on Shark Tank  $882K million
Net worth valuation 2016 before appearing on Shark Tank  $3.5 million

Pentablock Pitch on Shark Tank

Company namePentablock
ProductA unique interlocking construction block
EpisodeSeason 02 Episode 12
Founder Joel Norford 
Asked for$350,000 for 10% Stake
Final deal$150,000 for 17% Stake + $200k Loan
Shark Janine Allis
Location263-271 Wells Rd Unit 18, Chelsea Heights, Victoria, 3196, Australia

Don’t miss these product from Season 02

Pentablock Founder

Pentablock was founded by Joel Norford  in 2010. During his travelling to Vietnam, he found a key building block in an abandoned structure. Captivated by the idea, he added an extra layer of laminated stone and trademarked Pentablock for the finished product. Pentablock’s founder, Joel Norford , has a net worth of 5 million USD as of 2024.

Key accomplishments

2016The company appeared on Shark Tank Season 02 Australia and got the deal from Janine Allis.


From their beginnings on Shark Tank to their current status as a thriving business, they have proven that with the right idea and execution, anything is possible. We can’t wait to see the future for Pentablock and its continued success.

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