What AI assistants recommend when buyers ask about tax compliance software — measured weekly across engines, published as open data.
Sample: 44 AI answers · Window: May 22, 2026 – Jun 19, 2026 (4-week rolling)
| # | Product | Share | Trend | Engines | |
|---|---|---|---|---|---|
| 1 | Avalara avalara.com | 86.4% avg pos 3.9 | — | GROK 100%CHATGPT 77.8%CLAUDE 75%PERPLEXITY 94.4% | Claim |
| 2 | TaxJar taxjar.com | 68.2% avg pos 4.2 | — | GROK 75%CHATGPT 83.3%CLAUDE 50%PERPLEXITY 55.6% | Claim |
| 3 | Anrok anrok.com | 47.7% avg pos 5.8 | — | GROK 100%CHATGPT 11.1%CLAUDE 75%PERPLEXITY 66.7% | Claim |
| 4 | Vertex vertexinc.com | 40.9% avg pos 6.6 | — | GROK 75%CHATGPT 27.8%PERPLEXITY 55.6% | Claim |
| 5 | Stripe Billing stripe.com | 31.8% avg pos 8.8 | — | GROK 75%CHATGPT 27.8%PERPLEXITY 33.3% | Claim |
| 6 | Sovos Tax Compliance sovos.com | 25% avg pos 9.3 | — | CHATGPT 38.9%PERPLEXITY 22.2% | Claim |
| 7 | Thomson Reuters ONESOURCE tax.thomsonreuters.com | 25% avg pos 9.3 | — | GROK 50%CHATGPT 11.1%CLAUDE 25%PERPLEXITY 33.3% | Claim |
| 8 | Sphere | 20.5% avg pos 4.2 | — | GROK 25%CHATGPT 5.6%CLAUDE 25%PERPLEXITY 33.3% | Claim |
| 9 | Sovos | 20.5% avg pos 10.2 | — | GROK 75%PERPLEXITY 33.3% | Claim |
| 10 | Quaderno | 20.5% avg pos 11 | — | GROK 100%CHATGPT 5.6%PERPLEXITY 22.2% | Claim |
| 11 | TaxCloud taxcloud.com | 18.2% avg pos 4.3 | — | GROK 50%CHATGPT 5.6%CLAUDE 50%PERPLEXITY 16.7% | Claim |
| 12 | Zamp zamp.com | 18.2% avg pos 7.3 | — | GROK 75%CHATGPT 5.6%CLAUDE 50%PERPLEXITY 11.1% | Claim |
| 13 | Numeral numeral.com | 15.9% avg pos 3.5 | — | GROK 50%CLAUDE 50%PERPLEXITY 16.7% | Claim |
| 14 | Kintsugi | 15.9% avg pos 7.3 | — | GROK 75%CHATGPT 5.6%CLAUDE 75% | Claim |
| 15 | QuickBooks Time quickbooks.intuit.com | 13.6% avg pos 6.6 | — | CHATGPT 33.3% | Claim |
| 16 | Shopify Plus shopify.com | 11.4% avg pos 3.6 | — | CHATGPT 16.7%PERPLEXITY 11.1% | Claim |
| 17 | Fonoa fonoa.com | 11.4% avg pos 9.7 | — | GROK 25%PERPLEXITY 22.2% | Claim |
| 18 | Xero JAX xero.com | 11.4% avg pos 11 | — | CHATGPT 27.8% | Claim |
| 19 | TaxAct | 9.1% avg pos 2.7 | — | CHATGPT 11.1%CLAUDE 25%PERPLEXITY 5.6% | Claim |
| 20 | Galvix | 9.1% avg pos 5 | — | GROK 25%PERPLEXITY 16.7% | Claim |
| 21 | Xero | 9.1% avg pos 6.5 | — | CHATGPT 16.7%CLAUDE 25% | Claim |
| 22 | WooCommerce | 6.8% avg pos 2.5 | — | CHATGPT 5.6%PERPLEXITY 11.1% | Claim |
| 23 | H&R Block Business hrblock.com | 6.8% avg pos 4.3 | — | CHATGPT 16.7% | Claim |
| 24 | Drake Tax | 6.8% avg pos 5 | — | CHATGPT 11.1%PERPLEXITY 5.6% | Claim |
| 25 | Wave Payroll waveapps.com | 6.8% avg pos 10.7 | — | CHATGPT 16.7% | Claim |
| 26 | Fintua Comply | 6.8% avg pos 11.7 | — | GROK 25%PERPLEXITY 11.1% | Claim |
| 27 | Chargebee | 6.8% avg pos 14 | — | CHATGPT 5.6%PERPLEXITY 11.1% | Claim |
| 28 | Shopify | 4.5% avg pos 2 | — | PERPLEXITY 11.1% | Claim |
| 29 | EY GVRT ey.com | 4.5% avg pos 2.5 | — | PERPLEXITY 11.1% | Claim |
| 30 | DAVO davosalestax.com | 4.5% avg pos 5 | — | CLAUDE 25%PERPLEXITY 5.6% | Claim |
| 31 | Woo Marketplace woocommerce.com | 4.5% avg pos 6 | — | CHATGPT 11.1% | Claim |
| 32 | Amazon Associates amazon.com | 4.5% avg pos 7 | — | CHATGPT 5.6%PERPLEXITY 5.6% | Claim |
| 33 | FreeTaxUSA freetaxusa.com | 4.5% avg pos 7 | — | CHATGPT 5.6%PERPLEXITY 5.6% | Claim |
| 34 | TaxValet | 4.5% avg pos 7 | — | GROK 25%PERPLEXITY 5.6% | Claim |
| 35 | VAT IT / ABACUS vatit.com | 4.5% avg pos 8 | — | PERPLEXITY 11.1% | Claim |
| 36 | PayPal Invoicing paypal.com | 4.5% avg pos 13.5 | — | CHATGPT 11.1% | Claim |
| 37 | Paddle Retain paddle.com | 4.5% | — | PERPLEXITY 11.1% | Claim |
| 38 | QuickBooks Sales Tax | 4.5% | — | CLAUDE 50% | Claim |
| 39 | Savant savantlabs.io | 4.5% | — | PERPLEXITY 11.1% | Claim |
| 40 | Thomson Reuters ONESOURCE Indirect Compliance tax.thomsonreuters.co.uk | 4.5% | — | PERPLEXITY 11.1% | Claim |
| 41 | Adobe Acrobat Sign adobe.com | 2.3% avg pos 1 | — | PERPLEXITY 5.6% | Claim |
| 42 | BigCommerce B2B Edition bigcommerce.com | 2.3% avg pos 1 | — | PERPLEXITY 5.6% | Claim |
| 43 | ATX | 2.3% avg pos 2 | — | PERPLEXITY 5.6% | Claim |
| 44 | BigCommerce | 2.3% avg pos 2 | — | PERPLEXITY 5.6% | Claim |
| 45 | QuickBooks Online with Intuit Assist intuit.com | 2.3% avg pos 2 | — | PERPLEXITY 5.6% | Claim |
| 46 | Stripe Tax | 2.3% avg pos 2 | — | PERPLEXITY 5.6% | Claim |
| 47 | WooCommerce Tax | 2.3% avg pos 3 | — | CHATGPT 5.6% | Claim |
| 48 | Intuit ProConnect proconnect.intuit.com | 2.3% avg pos 5 | — | CHATGPT 5.6% | Claim |
| 49 | Taxamo taxamo.com | 2.3% avg pos 5 | — | CHATGPT 5.6% | Claim |
| 50 | VAT IT | 2.3% avg pos 5 | — | PERPLEXITY 5.6% | Claim |
| 51 | Square Invoices squareup.com | 2.3% avg pos 6 | — | CHATGPT 5.6% | Claim |
| 52 | Génesis Tax | 2.3% avg pos 7 | — | CHATGPT 5.6% | Claim |
| 53 | Abacus abacus.com | 2.3% avg pos 8 | — | PERPLEXITY 5.6% | Claim |
| 54 | Oltio | 2.3% avg pos 8 | — | CHATGPT 5.6% | Claim |
| 55 | TurboTax Business | 2.3% avg pos 8 | — | CHATGPT 5.6% | Claim |
| 56 | Webgility webgility.com | 2.3% avg pos 8 | — | PERPLEXITY 5.6% | Claim |
| 57 | Lovat | 2.3% avg pos 9 | — | GROK 25% | Claim |
| 58 | KPMG Spark kmpspark.com | 2.3% avg pos 10 | — | CHATGPT 5.6% | Claim |
| 59 | Taxify | 2.3% avg pos 12 | — | CHATGPT 5.6% | Claim |
| 60 | Etsy etsy.com | 2.3% avg pos 13 | — | CHATGPT 5.6% | Claim |
| 61 | FreshBooks Lite freshbooks.com | 2.3% avg pos 13 | — | CHATGPT 5.6% | Claim |
| 62 | TaxSlayer Pro taxslayerpro.com | 2.3% avg pos 16 | — | CHATGPT 5.6% | Claim |
| 63 | Efficient Tax | 2.3% avg pos 17 | — | CHATGPT 5.6% | Claim |
| 64 | Taxilla | 2.3% avg pos 21 | — | GROK 25% | Claim |
| 65 | ARKK | 2.3% avg pos 23 | — | GROK 25% | Claim |
| 66 | Cordiance Modios | 2.3% avg pos 23 | — | GROK 25% | Claim |
| 67 | ZapTax zaptax.com | 2.3% avg pos 25 | — | CHATGPT 5.6% | Claim |
| 68 | Abacus by VAT IT | 2.3% | — | GROK 25% | Claim |
| 69 | Amazon | 2.3% | — | PERPLEXITY 5.6% | Claim |
| 70 | AvaTax | 2.3% | — | GROK 25% | Claim |
| 71 | Bloomberg Tax pro.bloombergtax.com | 2.3% | — | PERPLEXITY 5.6% | Claim |
| 72 | CCH Integrator | 2.3% | — | CHATGPT 5.6% | Claim |
| 73 | Commenda commenda.io | 2.3% | — | PERPLEXITY 5.6% | Claim |
| 74 | Complyt | 2.3% | — | PERPLEXITY 5.6% | Claim |
| 75 | DualEntry dualentry.com | 2.3% | — | CLAUDE 25% | Claim |
| 76 | Financial Cents | 2.3% | — | CLAUDE 25% | Claim |
| 77 | Jetpack Workflow | 2.3% | — | CHATGPT 5.6% | Claim |
| 78 | KPMG Link kpmg.com | 2.3% | — | CHATGPT 5.6% | Claim |
| 79 | LinkdIn Tax Compliance | 2.3% | — | CHATGPT 5.6% | Claim |
| 80 | LumaTax | 2.3% | — | CLAUDE 25% | Claim |
| 81 | NetSuite OneWorld netsuite.com | 2.3% | — | PERPLEXITY 5.6% | Claim |
| 82 | QuickBooks | 2.3% | — | CHATGPT 5.6% | Claim |
| 83 | Qvinci | 2.3% | — | CHATGPT 5.6% | Claim |
| 84 | Rippling rippling.com | 2.3% | — | PERPLEXITY 5.6% | Claim |
| 85 | Sage Business Cloud Accounting sage.com | 2.3% | — | CHATGPT 5.6% | Claim |
| 86 | Stripe | 2.3% | — | PERPLEXITY 5.6% | Claim |
| 87 | TaxDome | 2.3% | — | PERPLEXITY 5.6% | Claim |
| 88 | Taxually taxually.com | 2.3% | — | CLAUDE 25% | Claim |
| 89 | Thomson Reuters CoCounsel thomsonreuters.com | 2.3% | — | CHATGPT 5.6% | Claim |
| 90 | Zoho zoho.com | 2.3% | — | CHATGPT 5.6% | Claim |
| 91 | Zybooks | 2.3% | — | CHATGPT 5.6% | Claim |
| 92 | eBay ebay.com | 2.3% | — | PERPLEXITY 5.6% | Claim |
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