Justin So Net Worth (Estimated)

Who is Justin So?

Justin So is a founder at Sidekick, a company that was part of Y Combinator's Summer 2023 batch.

Highlights:

• Stanford University
• Google
• Stripe

About Sidekick

Sidekick is an AI-powered SMS assistant for frontline workers in manufacturing, auto dealerships, and retail. The idea came from Justin's father, who owns a manufacturing facility and asked him to build a tool to help with worker onboarding, training, and organizing company knowledge. Workers text questions in any language and get instant answers from their company's documents — no app, no login, works on any...

Model inputs

• Stage: seed
• Valuation tier: fallback-seed
• Valuation note: Series A £7.8M raised in Feb 2026; no post-money valuation disclosed. [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise] [scale: cleared name-collision raise]
• Research as-of: 2026-08-04
• Funding source: https://startupsmagazine.co.uk/wealthtech-startup-sidekick-raises-7-8m

FAQ: Justin So net worth and Sidekick valuation

What is Justin So's net worth?

Justin So's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Justin So net worth

Justin So's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. This Justin So net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Justin So worth?

Justin So's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. How much Justin So is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Justin So?

Justin So's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. “How rich is Justin So” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Justin So fortune

Justin So's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. This Justin So fortune figure is estimated paper wealth only, not a verified statement of assets.

Justin So equity value

Justin So's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. Justin So equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Sidekick valuation?

Sidekick's estimated valuation on Entrepreneurial Check is $20.0M. Independent model output, not a verified appraisal or official mark.

What is Sidekick post-money valuation?

Sidekick's estimated valuation on Entrepreneurial Check is $20.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is Sidekick funding?

Sidekick funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Sidekick raised is not a complete cap table — figures are estimates only.

How much did Sidekick raise?

How much Sidekick raised, when disclosed, informs the estimated Sidekick valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.

How much money did Sidekick raise?

How much money Sidekick raised, when a public figure is available, is a model input for the estimated Sidekick valuation on this profile. Estimates only — not a complete cap table.

What is Sidekick series funding?

Sidekick series funding, when a public raise is disclosed, informs the estimated Sidekick valuation here. Not a complete financing history.

What company is Justin So building?

Justin So is Founder at Sidekick, a Y Combinator-backed startup (batch S26).

What does Sidekick do?

Sidekick — AI-powered SMS assistant for deskless workers.

What YC batch is Justin So from?

Justin So is associated with Y Combinator batch S26.

Where did Justin So go to school?

Public profiles associate Justin So with Stanford University.

What other companies is Justin So connected to?

Public associations for Justin So include Google, Stripe.

Where is Justin So based?

Public directory data lists Justin So's region as United States of America.

What industry is Justin So in?

Justin So is listed under B2B, Operations.

How big is Sidekick?

Public data lists Sidekick's team size as 1.

What else is notable about Justin So?

Stanford University.

Is Entrepreneurial Check affiliated with Y Combinator?

No. Entrepreneurial Check is an independent informational site and is not affiliated with, endorsed by, or sponsored by Y Combinator or the profiled companies.