Taxwire
Taxwire is an AI-native global sales tax compliance platform founded in 2023 that automates nexus monitoring, registration, rooftop-accurate tax calculation, and filing across 100+ countries for fast-growing SaaS and e-commerce finance teams.
- Company typePrivate
- Founded2023
- HeadquartersNew York, United States
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What Taxwire does
Taxwire (legally Conviction Labs, Inc.) is a New York-based AI-native sales tax compliance platform founded in 2023. The company automates the full lifecycle of global sales tax compliance — nexus understanding and product taxability mapping, registration and back-filings, real-time tax calculation, and automated monthly and quarterly return filing — for finance teams at fast-growing SaaS and e-commerce companies. Its core product combines continuous AI-powered monitoring (tracking both economic nexus from sales thresholds and physical nexus from HRIS, warehouse, and contractor data) with a Tax Engine API that returns rooftop-accurate sales tax, VAT, and GST rates across more than 100 countries and 45+ US states. Differentiated modules include the AI Virtual Mailbox for government notice handling, auto-registration/autofiling, exemption certificate management, and audit-proof reporting with citations to source statutes.
The company is built by veterans from TaxJar, Stripe, Avalara, Amazon, Zillow, Anrok, and the Big Four, including the 1st tax hire at TaxJar and the Tax Lead at Stripe. It sells through enterprise field sales, inside sales with a 'Request Demo' motion, and an API-first developer channel, targeting VP Finance and CFO buyers at companies ranging from early-stage startups (Pulley) through mid-market (Levanta) to enterprise (Italic). Pricing is annual subscription, scaled to the number of jurisdictions a customer actually owes in rather than a flat monthly fee, with professional services attached for nexus studies, back-filings, and voluntary disclosure agreement initiation. Documented customer outcomes include $200K+ in overpayment recovery (Italic), $13K+ recovery from a prior vendor's over-collection (Levanta), compliance restoration across 20+ jurisdictions within weeks, and protection of a $230K MRR growth trajectory. Taxwire is SOC 2 Type II certified and has raised approximately $12.9M in total funding across a $3.9M seed round in January 2025 and a $9M Series A in July 2025.
Taxwire firmographics
Firmographics- Name
- Taxwire
- Legal name
- Conviction Labs, Inc.
- Website
- https://taxwire.com
- Company type
- Private
- Founded year
- 2023
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Taxwire is an AI-native global sales tax compliance platform founded in 2023 that automates nexus monitoring, registration, rooftop-accurate tax calculation, and filing across 100+ countries for fast-growing SaaS and e-commerce finance teams.
- Ownership category
- akta.pro rank
Taxwire industry classification
Industry- Product category
- Sales Tax Compliance Software
- NAICS
- Accounting, Tax Preparation, Bookkeeping, and Payroll Services (5412), Tax Preparation Services (541213)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Revenue Systems, E-Filing & Digital Tax Administration (BPAIADAO)
- akta.pro secondary industries
- Excise, VAT/Sales Tax & Indirect Tax Administration (BPAIADAH), Tax Return Filing, Processing & Assessment (BPAIADAC), Tax Advisory & Compliance (BPAHABAB)
Keywords
Where Taxwire is headquartered
LocationHeadquarters
- HQ city
- New York
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Taxwire business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure, Others
Revenue model
- SaaS Subscription - Tax Compliance Platform: Subscription-based pricing model for ongoing access to the tax compliance platform including monitoring, calculation, filing, and remittance services. Pricing is based on jurisdiction count rather than flat monthly SaaS fee, so cost scales with how many states the customer actually owes in.
- Professional Services: Implementation services including nexus studies, compliance audits, historical cleanup, back-filings, registration assistance, and VDA initiation. Professional services may be included in initial onboarding or billed separately.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Contact sales for custom pricing |
Go-to-market motion3 records
Distribution channels3 records
Marketing channels7 records
Taxwire product offering
Product offeringCore offering
Taxwire is an AI-native global sales tax compliance platform that automates the full compliance lifecycle—from nexus understanding and product taxability mapping, through registration and back-filings, to real-time rooftop-accurate tax calculation and automated monthly/quarterly filing. It also exposes this calculation engine as a Tax Engine API for developers embedding tax into custom billing or commerce setups, supplemented by in-house tax experts who handle government notices and remediation on the customer's behalf.
Product overview
Taxwire is a unified global sales tax compliance platform built on a modular architecture. At its core is the Taxwire Platform, which orchestrates the full compliance lifecycle (understand nexus exposure, register, calculate, file and pay) for finance teams. The Tax Engine API exposes the same calculation engine to developers for real-time, embedded tax determination in custom billing or commerce setups. The product suite includes AI Virtual Mailbox (AI-routed government notice handling), Nexus Monitoring (continuous economic and physical nexus tracking with predictive alerts), Taxability Mapping (AI product labeling for tax rules), Exemption Certificate Management, Autofiling (automated return filing), Rooftop Accuracy (geocoding-based jurisdiction resolution), and Reporting Data & Citations (audit-proof filing documentation). These modules share a unified expert-curated tax database and are designed to be implemented together within weeks via no-code integrations (QuickBooks, Xero, NetSuite, Stripe, Shopify, WooCommerce, Chargebee, Recurly) or the Tax Engine API.
Differentiator
Problem solved
Functional benefit
Products and services
- Taxwire Platform
Quantifiable outcome
- Go live in weeks, not months - full compliance within 1-2 weeks including registration, historical cleanup, and exemption certificate validation
- +4 more outcomes
Companies that use Taxwire
Customer profileNamed customers3 records
Segments3 records
Ideal customer profiles2 records
Taxwire technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration8 records
AI capability5 records
Feature7 records
Taxwire partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core.
- StripecoreIntegration with Stripe for billing and transaction data sync. Taxwire connects to Stripe to monitor sales volume, calculate tax at point of transaction, and sync transaction data for compliance reporting.
- QuickBookscoreNative integration with QuickBooks for accounting and invoice-level tax calculation. Tax calculates natively on invoices in QuickBooks, Xero, NetSuite, and more.
- XerocoreNative integration with Xero for accounting and invoice-level tax calculation.
- NetSuitecoreNative integration with NetSuite for accounting and ERP-based tax calculation.
- ShopifycoreIntegration with Shopify for ecommerce tax calculation at checkout. Collects the right sales tax amount at checkout across all products and channels.
Scale indicators6 records
Recent moves6 records
Expansion highlights6 records
Taxwire competitors and assessment
Company assessmentEmerging players
- Numeral: AI-native sales tax and bookkeeping platform targeting SaaS and e-commerce. Comparable in technology approach (AI-driven automation) and customer segment overlap.
- Quaderno: Tax compliance solution for digital businesses (now part of Avalara's ecosystem). Comparable on global VAT/sales tax calculation for SaaS and digital product sellers.
- Zamp: AI-native sales tax platform founded by veterans of Avalara and other incumbents. Closely comparable in AI-first positioning and target SaaS/ecommerce customer profile, with overlap in team pedigree.
Direct peers
- TaxJar: Now owned by Stripe after acquisition. Closely comparable sales tax API and compliance platform with strong SMB focus; Taxwire's founders came from TaxJar/Stripe lineage, making it the most direct product peer.
- Anrok: AI-native sales tax platform targeting SaaS businesses. Closely comparable in product positioning, AI-first architecture, and target customer (B2B SaaS), competing head-to-head for many of the same accounts.
- Fonoa: Tax automation API focused on global VAT, GST, and sales tax for digital businesses. Closely comparable in API-first developer go-to-market and global coverage ambition.
Broad incumbents
- Avalara: The dominant incumbent in automated sales tax compliance, acquired by Vista Equity Partners. Directly comparable to Taxwire across calculation, filing, and nexus monitoring — Avalara is the primary competitor Taxwire positions against.
- Vertex: Long-standing incumbent in indirect tax determination and compliance, particularly strong in enterprise and ERP-integrated deployments. Comparable on calculation accuracy and global tax content.
- Stripe Tax: Stripe's native tax module built on TaxJar technology, embedded directly into Stripe Billing. Represents a bundled competitor that can undercut Taxwire's API and integration advantage for any Stripe-based customer.
- Sovos: Global tax compliance platform spanning sales/use tax, VAT, and withholding. Comparable on end-to-end compliance scope and enterprise customer base, though Sovos skews larger and more ERP-integrated.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Taxwire social profiles
Digital presenceTaxwire compliance and trust
Trust signalCompliance1 record
Taxwire financial estimates
Financial estimateRevenue estimate
Valuation estimate
Taxwire leadership team
Management profileNumber of profiles
Profiles6 records
Taxwire funding detail
Funding detailFunding overview
Funding rounds4 records
Investors9 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Taxwire M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Taxwire
What does Taxwire do?
Taxwire is an AI-native global sales tax compliance platform that automates the full compliance lifecycle—from nexus understanding and product taxability mapping, through registration and back-filings, to real-time rooftop-accurate tax calculation and automated monthly/quarterly filing. It also exposes this calculation engine as a Tax Engine API for developers embedding tax into custom billing or commerce setups, supplemented by in-house tax experts who handle government notices and remediation on the customer's behalf.
Is Taxwire a public or private company?
Taxwire is a private company. It is classified as venture growth investor backed and is currently operating.
When was Taxwire founded?
Taxwire was founded in 2023. It employs 11 to 50 people.
Where is Taxwire based?
Taxwire is headquartered in New York, United States, in the North America region.
How does Taxwire make money?
Two revenue lines are on record. SaaS Subscription - Tax Compliance Platform is the primary driver. The others are professional Services.
Who are Taxwire's main competitors?
Emerging players on record are Numeral, Quaderno and Zamp. Direct peers are TaxJar, Anrok and Fonoa. Broad incumbents are Avalara, Vertex, Stripe Tax and Sovos.
Does Taxwire have an API?
Yes. Taxwire offers a Tax Engine API that enables developers to implement real-time tax calculation for custom billing or commerce setups. The API returns precise sales tax, VAT, or GST rates for complex use-cases in milliseconds, supports rooftop-accurate address validation across tens of thousands of expert-curated jurisdictions globally, handles complex exemptions, partial exemptions, consumer use tax, and is built to scale for complex businesses including marketplaces, construction, and SaaS. Developer documentation is at www.taxwire.com/tax-engine-api.
What industry is Taxwire in?
Taxwire's product category is Sales Tax Compliance Software. Its primary akta.pro industry code is BPAIADAO, Revenue Systems, E-Filing & Digital Tax Administration, with a secondary code of BPAIADAH, Excise, VAT/Sales Tax & Indirect Tax Administration. Its NAICS code is 5412 and its SIC code is 7370.