Industry Solutions

Financial Data APIs for Accounting

Streamline tax research, client verification, and compliance work with accurate tax rates, SEC filings, and business verification. Olympus provides the data infrastructure accounting firms need.

13,000+
Tax jurisdictions
99.9%
Rate accuracy
18M+
SEC filings
Common Challenges

The Pain Points Accounting & CPA Firms Teams Face

1

Sales tax jurisdiction research is complex

2

SEC filing research is time-consuming

3

Client business verification is manual

4

Multi-state compliance is challenging

How Olympus Helps

Solutions Built for Accounting & CPA Firms

Purpose-built APIs that address your specific challenges

PLUTUS

Sales Tax Rate API

Sales tax rate research and compliance

Accurate rates for 13,000+ jurisdictions
DELPHI

SEC EDGAR Enhanced API

SEC filing access for audit and compliance

Searchable access to all SEC filings
JANUS

Business Verification API

Client business verification

Automate entity verification
ATLAS

ZIP Code Intelligence API

Location data for nexus analysis

Demographic data for tax planning
13,000+
Tax jurisdictions
99.9%
Rate accuracy
18M+
SEC filings

Ready to transform your accounting & cpa firms workflows?

Join leading accounting & cpa firms companies using Olympus to build faster, more reliable data integrations.