Precision Tax Calculations.
Instant Results.
Automate complex tax rules, guarantee global compliance, and eliminate friction from your workflows with our real-time determination engine built for modern firms.
Trusted by 10,000+ tax professionals
Built by tax professionals, for tax professionals
We are a team of tax professionals, engineers, and designers obsessed with removing the friction from global commerce. Vector is built from the ground up to handle the most complex tax scenarios with elegance and speed.
Intelligent tools for Modern firms
Automate complex calculations, reduce compliance risk, and seamlessly integrate with your existing tech stack through our unified global platform.
Open architecture, one data model
A singular data model across tax, API, EDI, and general ledger.
Tax calculation at speed
Determine tax accurately in milliseconds directly on checkout or via API.
Global rules, always current
Automatically maintained tax rules backed by deep global tax knowledge.
Easily configurable to your business
Configure custom tax rules, entity mapping and more without writing code.
Built for every firm, at every stage of growth
Whether you are a solo practitioner or a Top 100 firm, Vector OS provides the modular tools you need to accelerate your tax and accounting workflows.
Boutique Practices
Streamline your personalized client services and automate manual data entry so you can focus on advisory.
Mid-Sized Firms
Scale your operations effortlessly with unified workflows and intelligent document management.
Enterprise & Top 100
Handle high-volume, complex entity structures with enterprise-grade security and advanced K-1 analysis.
Fast to go live. Even faster to run.
Vector is engineered for incredible speed and massive scale. Whether you are a fast-growing startup or a global enterprise, our infrastructure handles your tax compliance without breaking a sweat.
190+
Jurisdictions covered
Real-time tax determination across VAT, GST, and Sales Tax.
<0.2s
Response time
No latency impact on checkout or invoicing flows.
99.99%
Uptime SLA guaranteed
Enterprise-grade reliability built for high-volume API requests.
10B+
Transactions processed
Trusted by leading platforms to handle massive global transaction volumes.
Ready to simplify your tax compliance?
Have questions about our tax engine? Want to see a custom demo? Our team of experts is ready to help you navigate global tax compliance.
hello@vectoriq.com
Phone
+1 (888) 123-4567
Office
100 Innovation Way, Suite 400 San Francisco, CA 94105
Trusted by finance teams worldwide
See how leading companies use Vector to automate compliance, reduce manual errors, and scale globally with confidence.
"Partnering with Vector was a game changer for us. They took the time to understand our challenges and helped us streamline our operations for success."
Sarah Jenkins
CFO at TechNova
"The seamless API integration and real-time calculation speed meant we could scale into Europe without a single hiccup in our checkout flow."
David Chen
VP of Engineering at Globex
"We used to spend weeks reconciling tax discrepancies. Vector's automated engine reduced our compliance overhead by 85% instantly."
Elena Rodriguez
Head of Finance at SwiftCart
"The seamless integration into our existing ERP system took less than a day. Vector is simply miles ahead of legacy tax solutions."
Marcus Johnson
CTO at Nexus Retail
"We expanded into 15 new countries this year, and tax compliance was the easiest part of the journey thanks to Vector's global engine."
Sophia Patel
Director of Operations at Horizon
"From accurate checkout estimates to automated end-of-month reporting, Vector has completely transformed how our finance team operates."
James Wilson
VP of Finance at Elevate
Frequently Asked Questions
Everything you need to know about integrating and scaling with Vector's global tax engine. Can't find the answer you're looking for?
Have a question not listed here?
Our team is here to help.
You'll Know What You're Getting
We believe in absolute transparency. No hidden fees, no complex pricing tiers, and no surprises. Just straightforward, enterprise-grade tax compliance that scales effortlessly with your business.