Summer 2026

Luca IQ

API-first tax engine for CPA firms and developers

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What they do

tax calculation and e-filing API for accounting firms and fintechs

How close to us

2, near

One deterministic layer sold to accounting firms; engine, not an agent or memory product.

Wedges

  • W5 One layer for one type of small firm adjacent
L1 Company brain (knows the organisation) 0, none
L2 Agent team (runs agents, tools, approvals) 0, none
L3 Does and learns (finishes, checks, measures, updates the brain) 1, light

Who buys

Firm size
sme
Buyer type
developer
Role
accounting firms and fintech builders
UK
not known
Their own description (from YC)

Luca IQ is an API for deterministic tax calculation and an IRS Authorized e-filing engine - the foundation for accounting firms and fintechs building on tax.

Full teardown

No full teardown yet. On the deep list.

Technical detail
Slug
luca-iq
Lens hash
179096c479
Pass
screen
Stale
no