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Sigma Global Review 2026: High Returns, Unclear Risks

Sigma Global is a centralized investment platform advertising short-term crypto plans and high stated returns. Its investment strategy and key claims about regulation and custody are not independently substantiated on the site.

By the DappsAtlas editorial team · Updated Nov 6, 2026

DappsAtlas score

2.0/10

Weak

Visit Sigma Global

Our verdict on Sigma Global

2.0/10

Sigma Global may interest people looking for a centralized service with fixed-term crypto investment plans, but the displayed returns are unusually high and the platform does not explain how they are generated. Its claims about New Zealand regulation and secure custody are not independently substantiated on the site. The listed plan terms offer some basic clarity on duration and investment limits, but strategy, withdrawals, general fees and independent security evidence remain unclear. Treat the platform as high risk and verify its claims before considering a deposit.

Score breakdown

How Sigma Global scores

Security: 2.0/10
Ease of use: 5.0/10
Fees: n/a
Features: 4.0/10

Scores run from 0 to 10 and are based only on facts we could verify. Where information was missing we mark the score n/a rather than guess.

What is Sigma Global?

Sigma Global Investment Cooperation is a centralized investment platform that advertises plans for Bitcoin and other cryptocurrencies, alongside stocks and other financial instruments. Its listed plans show returns of 12% to 55%, with durations of one to 30 days and different minimum and maximum investments.

The site says customer assets are held in full reserve and multisignature cold storage, and claims the company is licensed and regulated in New Zealand. It does not name a regulator, explain its investment strategy or publish independent evidence for its custody claims. The high stated returns and limited detail warrant caution.

How Sigma Global works

Sigma Global presents itself as a centralized investment service rather than a self-custody protocol. Users are invited to create an account and choose an investment plan; the site lists plan minimums, maximums, durations and percentage returns. It does not explain how deposited assets are invested or how the displayed returns are produced.

The platform says it holds customer assets in full reserve, does not lend them and uses multisignature cold storage. Those are claims made by the company, not independently verified safeguards. Customers would need to rely on Sigma Global to manage the funds and honor withdrawals, so counterparty and operational risks remain.

5 features

Key features

Fixed-term plans

The site lists six investment plans, with displayed rates ranging from 12% to 55% and durations from one to 30 days.

Multiple asset types

Sigma Global says it supports Bitcoin and other cryptocurrencies, as well as investments in stocks and other financial instruments.

Full-reserve custody claim

The platform claims assets are held 1:1 and not lent out. These custody claims are not independently substantiated on the site.

Multisignature cold storage

Sigma Global says customer funds are held offline and transactions require multiple signatures.

Recurring investment option

The site advertises zero fees on recurring investments, but does not provide a full fee schedule.

Pros and cons

What we like

Plan durations and investment minimums and maximums are displayed.
The platform says it supports crypto as well as stocks and other financial instruments.
The site describes its claimed custody approach, including full reserves and multisignature cold storage.
Zero fees are advertised for recurring investments.

Watch out for

The advertised plans show returns of 12% to 55% over periods as short as one to 30 days, but the site does not explain how these returns are generated or whether the percentages are guaranteed.
The investment strategy, counterparties and allocation of deposited assets are not disclosed.
The site claims New Zealand licensing and regulation but does not name a regulator or provide details that establish the claim.
No independent audit or evidence supporting the full-reserve and multisignature custody claims is published.
Withdrawal terms, general fees and the process for resolving disputes are not clearly described.

Sigma Global fees

Sigma Global advertises zero fees on recurring investments. It does not publish a complete fee schedule covering other investments, deposits, withdrawals or plan types. Check the account terms and confirm any charges with support before committing funds.

Is Sigma Global safe?

Sigma Global claims that it is licensed and regulated in New Zealand, but does not name the regulator or provide details on the site that establish the claim. It also says customer funds are held 1:1 in multisignature cold storage and are never lent out; no independent audit or other verification is published.

This is a centralized service, so customers depend on the company to safeguard assets and process withdrawals. The investment strategy behind the advertised short-term returns is not explained, and the site does not clearly set out withdrawal terms or a full fee schedule. These gaps create substantial counterparty and investment risks.

5 steps

How to get started with Sigma Global

1
Read the investment plan descriptions and terms, including the duration and displayed return for each plan.
2
Check whether investing through the platform is permitted where you live and independently verify its New Zealand regulatory claim.
3
Ask Sigma Global for its investment strategy, withdrawal terms, complete fee schedule and evidence for its custody claims.
4
Create an account only if you are comfortable with the counterparty and investment risks.
5
Review the deposit asset, amount and selected plan carefully before sending funds.

Open Sigma Global

Who Sigma Global is for

Sigma Global is aimed at people seeking managed, fixed-term investments in crypto and other assets rather than self-custody tools or a decentralized protocol. It is a poor fit for anyone who needs independently verified custody, a transparent investment strategy or clearly documented withdrawal and fee terms.

Sigma Global FAQs

What returns does Sigma Global advertise?

The site lists plans with stated returns from 12% to 55% and durations from one to 30 days. It does not explain how those returns are generated or clarify whether the percentages are guaranteed.

Is Sigma Global licensed in New Zealand?

Sigma Global says it is licensed and regulated in New Zealand, but does not name the regulator or provide enough detail on the site to verify the claim. Check the relevant official register before considering an investment.

How does Sigma Global custody customer funds?

The site claims assets are held in full reserve and offline multisignature cold storage, but does not publish an independent audit or other evidence confirming those claims. Depositing with a centralized platform also involves counterparty risk.

What fees does Sigma Global charge?

The site says recurring investments have zero fees, but does not publish a complete fee schedule for other services or plan types. Review the terms and confirm all charges before depositing.

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