A zero-knowledge, sovereign accounting and tax platform. Every field on every form is a service that helps you understand and compute your answer from your own operational truth. The operator — us — cannot read your data. Only you can.
End-to-end encryption with customer-held keys. Your data is encrypted in your browser before it ever touches our servers. We hold ciphertext and public keys — nothing useful without your password.
Each customer gets their own isolated database. No shared tables, no "tenant_id" columns, no admin overrides. Storage-layer isolation on sovereign infrastructure.
Each field on each form is computed through a visible derivation tree — from your consented ledger facts and cited IRS rules. You leave understanding the math, not trusting a black box.
You decide what each node sees. Grant your accountant access to Schedule C Part II for 30 days. Grant a case worker access to exactly one field. Revoke any grant instantly.
Daily access via passkey (FaceID, fingerprint, hardware key). Recovery via 24-word BIP-39 mnemonic, same proven pattern Bitcoin uses. No "forgot password" emails — by design.
We follow the actual government form, line by line. File via any path — paper, fax, FreeTaxUSA, TurboTax, direct IRS e-file, your accountant. You own your data, your format, your choice.
Global Northstar serves 1,000 of the world's most exclusive clubs. We serve everyone else — with stronger sovereignty.
| Dimension | Northstar & peer platforms | HELM |
|---|---|---|
| Target market | Privileged clubs (talk to sales) | Anyone building legitimate business |
| Data architecture | Single shared database | Per-customer sovereign database |
| Encryption | At-rest (provider-held keys) | End-to-end (customer-held keys) |
| Operator can read your data? | Yes | Structurally impossible |
| Compliance posture | Not publicly certified | FAR 52.204-21 / NIST 800-171 / SOC2 / GDPR native |
| Pricing | Undisclosed (talk to sales) | Public tiers, including a sovereign-compliant free tier |
| Lock-in | Proprietary formats | JSON interchange — export everything, anytime |
The form is the onboarding. Every field tells the system what data it needs. You answer in whatever way you have data. Five paths, pick any combination.
Sign up. Biometric enrollment. You save a 24-word recovery mnemonic. No password reset emails. No "trust me" account recovery.
Tell HELM what you're filing this year. HELM loads the forms, renders every field with calculation guidance, and shows exactly what data is still needed.
Upload last year's return for instant scaffolding. Upload bank PDFs for local extraction. Answer interview questions for anything you don't have documents for. Never a third-party processor.
Every number you file is computed in front of you — from your consented facts and cited IRS rules. Click any number to see the full derivation. Fork any step with a documented deviation.
Export a ready-to-mail paper PDF. Import into FreeTaxUSA or TurboTax. Hand a full JSON bundle to your CPA. Submit directly to the IRS. Your data, your path.
Sovereign accounting and tax infrastructure. Free to start. Your keys, your data, your filing.
Create your sovereign ledger