Sphere
Sphere is an AI-powered cross-border compliance platform. We help companies like Lovable, Eleven Labs, Replit and Windsurf automate their sales tax, VAT, GST compliance obligations. What makes us different to other vendors on the market is: 1. we have spent the last 1.5 years building local rails into 100+ tax authorities in both the US and internationally to properly automate compliance processes, and 2. we've built the world's first AI-native tax engine which ingests, codifies and monitors tax
Y Combinator
yc-company-directory #4933Sphere is an AI-powered cross-border compliance platform. We help companies like Lovable, Eleven Labs, Replit and Windsurf automate their sales tax, VAT, GST compliance obligations. What makes us different to other vendors on the market is: 1. we have spent the last 1.5 years building local rails into 100+ tax authorities in both the US and internationally to properly automate compliance processes, and 2. we've built the world's first AI-native tax engine which ingests, codifies and monitors tax
sourceSphere is classified as AI infrastructure from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.
Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.
Companies similar to Sphere
A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.
Numeral
match 72Numeral is the fastest, easiest way to stay compliant with US sales tax and global VAT. Trusted by 3,000+ businesses, including Eight Sleep, Ridge, and Manus, our end-to-end platform keeps our customers compliant wherever they sell, with registrations, filings, calculations, and ongoing compliance support. Numeral’s AI-native solution covers more than 70 countries and tens of thousands of jurisdictions and is built for accuracy and scale.
shared extracted concept terms: native; shared product terms: us, sale, tax, vat; shared product theme: sales and marketing, security and compliance; same category: AI infrastructure; shared affiliation: Y Combinator
Soraban
match 69AI-native Tax workflow Platform for accounting firms from client request to delivery. We raised $18m from patient investors who are onboard to help us grow and serve tens of thousands of accounting firms. We're not in this market to grow fast and fail fast. We're in this to build something that'll last decades.
shared extracted concept terms: native, tax; shared product terms: native, tax, us, market; shared product theme: workflow automation; same category: AI infrastructure; shared affiliation: Y Combinator
Kestrel Labs
match 60Kestrel Labs is building the compliance engine for the built world. Our AI reads building codes like a lawyer, reasons like an architect, and checks 3D models for compliance in seconds. We flag violations, explain why they fail, and point to solutions, turning weeks of code research into instant, actionable answers. Faster design cycles, fewer mistakes, and safer buildings at scale.
shared extracted concept terms: compliance, engine; shared product terms: labs, compliance, engine, like; shared product theme: security and compliance; same category: AI infrastructure
Zoa Research
match 58Historically, quantitative models are domain specific. Brilliant people spend their best years testing features, tuning hyperparameters, and iterating architectures within a narrow domain. But scale is the panacea: large models will find patterns people, and specialized models, could not. Forecasting generalizes. Zoa trains cross-domain event forecasting engines. *Automating Iteration* LLMs—embedded in multi-agent optimization loops and evaluated against fixed policies—can automate the build-tes
shared extracted concept terms: engine, cros; shared product terms: cros, automate, year, engine; shared product theme: workflow automation; shared affiliation: Y Combinator
CLODO
match 58Clodo is the planet's best people discovery. Used in GTM, Recruiting, Marketing, and Ops at AI Natives, B2Bs, and Fortune 500s in SaaS, Manufacturing/Industrials, BioTech, Healthcare, Fintech, Compliance, and more
shared extracted concept terms: compliance, native; shared product terms: market, native, compliance; shared product theme: sales and marketing, security and compliance; same category: AI infrastructure; shared affiliation: Y Combinator
SignalsHQ
match 55SignalsHQ is building AI Tax Accountants that automate compliance workflows for US CPA firms
shared extracted concept terms: tax; shared product terms: tax, automate, compliance, us; shared product theme: workflow automation, security and compliance; same category: AI infrastructure