Surplus Lines Tax Filing for MGAs and Wholesalers

Plans for every filing volume. All 50 states. Automated filing via OPTins, SLIP+, and state portals — no manual entry. Backed by a free public tax calculator anyone can verify.

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All 50 States

Free 30-Day Trial

Audit-Ready Filing

“We built SLTax360 because the existing surplus lines filing tools were either clunky, expensive, or both. Our free public calculator runs the same engine we file with — anyone can verify our math.”

— Read our story

How It Works

Three simple steps to compliant surplus lines tax filing

Upload

Submit invoices via our portal, Excel import, or REST API. We support multiple formats including PDF extraction.

We File

Automated submission to state APIs with human review. Real-time status tracking and instant confirmations.

Stay Compliant

One-click confirmations, deadline tracking, and audit-ready reports. Never miss a filing deadline again.

Why Choose SLTax360

Built by insurance professionals, for insurance professionals

Lower Compliance Costs

Per-invoice pricing that scales with your filing volume — no hidden fees, no paying for capacity you don't use.

Zero Deadline Misses

Automated tracking, reminders, and a compliance calendar ensure you never miss a filing deadline.

Audit-Ready

Complete documentation and state confirmations. Every filing is traceable and verifiable.

Automated State Filing

Filing via OPTins, SLIP+, and state portals across all 50 states. No manual entry, no rekeying — submissions, confirmations, and status all in one place.

Security-First Architecture

TLS 1.3 in transit, encrypted at rest, AWS IAM instance-role authentication (no static keys in production), and AWS SSM-managed secrets.

REST API Access

Integrate with your policy admin systems. Full API documentation and developer support.

Surplus Lines Filing in All 50 States & DC

Click any state for current tax rates, stamping fees, and filing details — or see them all at once on the state directory.

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming

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Plans for Every Filing Volume

Three service levels, from self-managed to fully managed. Pay per invoice filed, with a quote matched to your volume.

Self-Managed

Independent

Self-managed filing

Full platform access, all 50 states
Automated state submission
You control validation & reporting

"You manage your own validation & reporting—full control, no wait time for staff assistance."

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Professional

Supported filing

Everything in Independent
Human review of every submission
API connectivity + priority support

"Let our experts handle verification and in-platform reporting while you focus on your business."