startups as
Overflow.Tax overflow.tax
on-stagehouse
Overflow as routing, not hiring: an agent prepares the first draft and workpapers inside the firm's own standards, and a credentialed preparer from gigs.tax reviews and signs, so the firm keeps the client and the relationship. The season makes signers scarce; the bench is shared.
From the Startup card at api.sb/overflow.tax · Designed · Service, Agent, Marketplace.
What it is
| Tier | house | Inferred · med · portfolio-lens-a.tsv (tier) | |
|---|---|---|---|
| Status | on-stage | Inferred · med · lens A stage next400 | |
| Product kind | — | no provenance | |
| Core noun | Return | Inferred · low · seed rule: the unit noun of lens B abstraction V-tax (portfolio-lens-b.md §1) | |
| Buyer and position | Firms offloading season overflow | Inferred · high · portfolio-lens-b.tsv (icp_or_position) | |
| Closed set or journey | S9 Tax stack · seasonal capacity | Inferred · med · portfolio-lens-a.tsv (set_or_journey) | |
| Abstraction | V-tax | Inferred · high · portfolio-lens-b.tsv (abstraction) | |
| Role (lens B) | projection | Inferred · high · portfolio-lens-b.tsv (role) | |
| Registrar | porkbun | Inferred · high · holdings ledger (domains repo, read-only) |
Its stack
Overflow.Tax centre
│
APIs.Finance the businesses
│
Headless.ly the abstractions
│
SaaS.Studio the abstractions
│
API.SB brands
│
Startups.Studio ────── StartupBuilder.Dev brands
Click any node to re-centre the stack on it; the trail above keeps the nesting. Each node's own page is one more click.
Neighbours
Same abstraction (V-tax)
APIs.AccountantsAmended.TaxEnrolled.TaxGigs.AccountantsGigs.TaxMoonlight.AccountantsPreparers.TaxShingle.AccountantAuditor.doAudits.doCPA.org.aiTax.org.aiTaxes.doAuditors.ExpertEngagementletters.coExchequer.TaxItemized.ClickQuarterlies.ClickSalestax.ClickTaxhome.DevTaxrates.Dev
Listed by
In logo rows
- APIs.Finance's row specified
- APIs.Accountants's row specified
- Gigs.Expert's row specified
- Workflows.Management's row buildable
- StartupBuilder.Dev's row specified
- API.SB's row runs today
- Gigs.Tax's row specified
Slices
in no slice
Relationships (8)
| from | verb | to | provenance | |
|---|---|---|---|---|
| Overflow.Tax | runs-on logo row: "Powering" / "Built on" (customer runs on supplier) | APIs.Finance | Inferred · medium · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvspecified [row] sb def overflow.tax: built on apis.finance [high] — Its leaf and llms.txt place it in the apis.finance family register; mailbox keys@apis.finance. | |
| Overflow.Tax | runs-on logo row: "Powering" / "Built on" (customer runs on supplier) | APIs.Accountants | Inferred · medium · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvspecified [row] sb def overflow.tax: built on functions/tax [medium]; apis.accountants is its preferred provider [medium] | |
| Overflow.Tax | runs-on logo row: "Powering" / "Built on" (customer runs on supplier) | Gigs.Expert | Inferred · medium · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvspecified sb def overflow.tax: built on functions/licensed-review [medium]; gigs.expert is its preferred provider [medium] | |
| Overflow.Tax | runs-on logo row: "Powering" / "Built on" (customer runs on supplier) | Workflows.Management | Inferred · low · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvbuildable [row] buildable: workflows run on fits supply/hitl/regulated | |
| Overflow.Tax | runs-on logo row: "Powering" / "Built on" (customer runs on supplier) | StartupBuilder.Dev | Inferred · medium · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvspecified sb/poc/startup-as-noun/defs/overflow.tax/startup.data.mdx | |
| Overflow.Tax | listed-by logo row on a catalog venue (listed by) | Startups.AX | Inferred · low · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvbuildable [row] buildable: listed for agents on fits supply/hitl/regulated | |
| Overflow.Tax | runs-on logo row: "Powering" / "Built on" (customer runs on supplier) | API.SB | Inferred · high · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvruns today api.sb/overflow.tax answers (status Designed, fetched 2026-10-24) | |
| Overflow.Tax | runs-on logo row: "Powering" / "Built on" (customer runs on supplier) | Gigs.Tax | Inferred · medium · docs/plans/research/2026-10-24-builder-brands/logo-graph.tsvspecified sb def overflow.tax: built on gigs.tax [medium] — Its supply of credentialed signers; the fan-out's agents list "licensed signer via gigs.tax" and gigs.tax exposes "tax signer (used by 3 ... |
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