One place for every surplus lines filing you owe

All 50 states in one system: correct tax and fee math, every deadline, every filed report and confirmation, and payment tracking.

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19,000+
surplus lines filings processed
$46M+
in E&S premium filed
50 + DC
states filing-ready
2024
running in production since

Rates, rules, deadlines, stored reports and payment tracking for all 50 states and DC. Direct electronic filing in 24 states, generated state filings in 7 more, and prepared filings in the remaining 19 states and DC. Figures are from our own filing records. Security: each client runs in its own database, TLS 1.3 in transit, secrets in AWS SSM. Read the security page.

Who files on SLTax360 today

Client names are withheld until each has approved a case study. Ask on a call and we'll walk you through their actual filing history.

A multi-state filing bureau

Runs its entire daily filing operation on the platform (intake, filing, confirmations and client reporting) under its own brand.

A wholesale brokerage

Files its surplus lines business through SLTax360 across multiple states, with every submission reviewed before it reaches the state.

How one filing moves through SLTax360

From the carrier's invoice to a confirmed state filing, without anyone re-keying it.

1

Send it

Forward the carrier's invoice or declarations page, drop in a spreadsheet, or push it through the API. Document AI reads the PDF and builds the transaction: premium, fees, coverage codes, risk location.

2

Review and file

Everything lands in a queue a person approves before it goes anywhere. Then it files through the state's own channel, whether that is SLTX SMART, SLIP, SLAS, OPTins, or the portal itself.

3

Watch until confirmed

We re-check state responses every minute and turn rejections into errors you can act on. Nothing sits marked “Filed” when the state never accepted it.

Email processing pipeline: emailed carrier documents moving through extraction, OCR, AI processing and invoice creation
Step 1: the intake pipeline. An emailed binder becomes a filing-ready record with the duration and the linked filing on every row.
Dashboard: total filings, premium and surplus lines tax with a month by month chart
Step 3: volume, premium and tax by month, so the month-end reconciliation is a glance, not a spreadsheet.

Built on the state systems you already use

SLTax360 connects to the states' own filing systems under your licence and your credentials.

SLTX SMART (Texas) SLIP (California) FSLSO (Florida) SLAI (Illinois) SLASuite (Georgia OCI) ELANY (New York) NCSLA (North Carolina) SLIP+ (SLAS clearinghouse states) OPTins (NAIC) WSLA (Washington) MNSLA (Minnesota) SLAOR (Oregon) NSLA (Nevada) DCI (Missouri) MIA (Maryland) Ohio ODI Kentucky eServices

These are the names of the states' filing systems. No stamping office or regulator endorses any vendor, and none is affiliated with SLTax360.

Which states we file for you, and which we prepare

You file everywhere you write business. How much of it we transmit for you depends on what the state allows.

How it reaches the state Where What happens
We transmit it 24 states, including Texas, California, Florida, Illinois, Georgia, New York and the SLIP+ clearinghouse states The filing goes out through the state's own system and the state's confirmation is stored on the filing. In most of these states the confirmation number comes back automatically and rejections surface as errors within the minute.
We build the state's file 7 more states The platform builds the exact file the state asks for, such as a monthly workbook or an OPTins return, and it is submitted through the state's portal or OPTins. The confirmation is stored with the filing.
We prepare it, it goes into your portal The remaining 19 states and DC The platform applies that state's rates and rules, builds the report or form it wants, and flags what is due when. Your team submits it in your own state portal account; on a supported plan, ours does it for you. The confirmation is stored back in the same place as everything else.

You keep your own licenses and state portal logins. SLTax360 works with them, not around them. Direct e-filing exists only where a state offers a machine channel; we say plainly which states those are rather than calling everything “automated.” See the state-by-state detail.

What changes for your filing team

Built and run day to day by the people who file on it.

Nothing sits falsely filed

Florida, Georgia and the SLAS states accept an upload first and reject it days later, inside a portal nobody re-opens. We poll every minute and surface the rejection reason while there is still time to fix it.

No more re-keying carrier documents

Forward the PDF and document AI turns it into a filing-ready transaction. It lands in a review queue your team approves. The checking step is the point, not an afterthought.

The right rate in every state

Tax rates, stamping fees, which fees are taxable, and the filing rules that differ state by state are all kept current, so nobody is checking a bulletin by hand. Our public calculator runs the same engine, free and without a signup, so you can check our math first.

Every deadline in one calendar

Monthly, quarterly and annual obligations across all the states you write in, on one calendar, with what is due and what is still outstanding, instead of a spreadsheet somebody has to remember to open.

Every report in one place

Filed reports, submitted payloads, state responses and confirmation numbers are stored together, per state and per period, whether we transmitted it or your team filed it in the portal. When an auditor or stamping office asks, the answer is already on file.

Know what is owed and paid

Track tax and stamping-fee amounts owed to each state against what has actually been paid, so a filing that was submitted but never funded does not turn into a penalty later.

Also included: a documented REST API for your policy admin system or quoting portal, imports from IMS and spreadsheets, and your own dedicated database so your filings never share tables with another firm's (security controls).

Surplus lines filing in all 50 states and DC

Each state page has its current tax rate, stamping fee, filing rules and how we file it. Or compare them all in the state directory.

Compare all state rates

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.

Independent

Self-managed filing

  • Full platform access, all 50 states & DC
  • Direct e-filing where the state supports it
  • You control validation & reporting

For teams that review their own filings. The platform does the tax math and tracks every deadline.

Start 30-day free trial

Professional

Supported filing

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

For teams that want a second check. Our staff review every submission before it goes to the state.

Start 30-day free trial

Enterprise

Fully managed filing

  • Everything in Professional
  • State reports generated by our staff
  • Dedicated same-day support

For high volume. Our staff prepare the state reports and answer the same day.

Contact sales
Compare plans in detail

See it run on the states you file in

Tell us the states you file in and we'll show you exactly how each one would run: which we transmit directly, which we prepare for your portal, and what your month would look like. The call takes 15 minutes.

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Prefer to look around first? The tax calculator is free and needs no account.