ISN Tier Fees Explained: Why the $5,525 Renewal Invoice Keeps Growing

You opened your ISNetworld renewal invoice and it says $5,525. Last year it was $4,200. Two years ago it was $2,800. Same business, same revenue, same approximate field staff — but the number on the bill keeps marching up. Your CFO wants an explanation. Your operations manager wants to know if you're being overcharged. The answer is almost always: no, the math is right, but the math is not what you think it is.

ISN's pricing is genuinely confusing because three things move at once: your tier (which is based on a three-year average of your employee count), the number of hiring clients connected to your account, and the annual price escalator. Add a one-time startup fee in year one, and you have a billing structure that almost no contractor predicts correctly the first time. This guide breaks down exactly how the invoice is calculated, what the tier ranges actually look like in practice, and why the line you really need to manage is the client-connection list.

The Three Components of an ISN Invoice

Every ISN bill is built from three layered components:

1. Annual subscription fee. Determined by your tier, which is determined by a three-year average of your employee count.
2. Per-client connection fees. Each hiring client connected to your account adds a per-connection charge. The fee per connection also scales by your tier.
3. Startup fee (year one only). A one-time charge in your first year that does not repeat — a frequent source of "wait, why is renewal cheaper than new?" confusion.

None of these are negotiable. ISN does not discount based on bid volume, project size, or the size of your hiring client.

How the Tier Is Calculated: The Three-Year Average

The single most misunderstood part of ISN pricing is the tier calculation. ISN does not use your current employee count. It uses a rolling three-year average of your reported headcount, drawn from your MSQ and your annual updates.

Why this matters in practice:

• If you grew from 25 employees to 75 employees over three years, your tier is calculated against the average — roughly 50 — not the current 75. That works in your favor.
• If you peaked at 200 employees during a major project then dropped back to 60, your tier still reflects the historical peak for two more years. That works against you.
• Adding a busy season of 1099 subs to your headcount can quietly push you up a tier even if your W-2 employees never grew.

Contractors who lay off after a project sometimes call ISN expecting an immediate tier reduction; the rolling average means it takes two to three full years of lower headcount before the tier follows the headcount down.

What the Tiers Actually Look Like

ISN does not publish a perfectly clean public tier table — pricing is configured per account at renewal, and the bands shift slightly year over year. The structure most contractors see in practice looks like this:

Numbers above are typical ranges contractors report; ISN does not publish a single fixed price list. Your actual invoice will be specific to your tier, your client count, and the year's pricing schedule.

Why That $5,525 Invoice Looks the Way It Does

Take a typical mid-sized industrial contractor: roughly 80 employees on a three-year average (Tier 4), connected to seven hiring clients, in their third year on the platform. The invoice math looks something like this:

• Tier 4 base subscription: ~$2,650
• 7 hiring client connections × ~$185/connection: ~$1,295
• Subtotal: ~$3,945
• Annual price escalator (typically 4–7%): ~$200–280
• Add-on services (RAVS reviews on additional programs, T&E modules, drug consortium administration, etc.): variable, often $500–1,500
• Year-three renewal total: ~$5,000 – $5,800

The same account in year one would have looked very different: a startup fee of typically $200–400 on top of subscription and connection fees, often partially offset by a smaller initial set of hiring client connections (clients usually connect over the first 60 to 90 days).

The Annual Increase Nobody Plans For

ISN raises prices most years. The escalator is rarely flagged loudly in the renewal email — it's baked into the new invoice. Increases of 3% to 7% per year on subscription and per-connection fees are typical. Combined with tier creep (which we'll get to in a moment), this is the reason your invoice grew $1,300 between year two and year three despite the business not changing materially.

Multiply that escalator by the per-connection fees too — if you have ten clients and each connection went from $170 to $180, that's another $100 on its own.

Tier Creep: The Quiet Killer

Most contractors pay attention to the subscription line and stop there. The line item that sneaks up is tier creep — moving from one tier to the next as the rolling employee average climbs.

The tier change is not subtle on the invoice. Moving from Tier 3 to Tier 4 typically adds $800–$1,200 to the subscription and another $30–$60 per hiring client connection. With ten connections, that's a $1,400 to $1,800 step change in a single renewal — entirely from headcount growth, not from any change in your project mix or how you use ISN.

Worse, the rolling average means the step change persists for two to three years even if you reduce headcount. There is no fast way to drop a tier; you wait it out.

The Startup Fee: Why Year One Looks Different

First-year ISN accounts pay a one-time startup fee on top of the standard subscription and per-client connection charges. The fee scales with tier (typically $200 at Tier 1, climbing to $400+ at higher tiers) and is not refundable if you let the account lapse.

This is why the first-year invoice and the second-year invoice rarely match. Year-one contractors sometimes assume their renewal will be cheaper because the startup fee disappears — which is true on that line item — but tier creep, escalators, and new hiring client connections in year one usually overwhelm the savings.

Why the Hiring Client Count Keeps Growing

Per-connection fees are the single most controllable line on your bill — and the one most contractors don't actively manage.

Hiring clients keep getting added because:

• New project = new connection. Every new owner-operator you bid for typically requires you to connect on their account, even for a single short job.
• Connections do not disappear automatically. Once a client adds you to their list, you stay connected until they remove you — and most procurement teams never bother.
• Mergers and acquisitions multiply connections. When two of your hiring clients combine, you may end up paying two connection fees that don't collapse into one.
• Subsidiary instances. Some large operators have separate ISN instances per business unit. You can be connected to "BigCo Refining" and "BigCo Midstream" as two billed connections even though it's one logical customer.

How to Audit and Trim the Invoice

The realistic places to find savings are not on the subscription side. They are on the connection list and the add-ons.

1. Pull the connections list every January. ISN can produce a report of every hiring client connected to your account. Walk through it line by line. For each client you have not bid in 24 months, email procurement and ask them to disconnect.
2. Disconnect dormant subsidiaries. If a hiring client has multiple instances and you only work with one, ask the others to remove you.
3. Audit add-on modules. Training matrix add-ons, advanced T&E, and consortium administration are sometimes billed long after you stopped using them. Match each line to a current process.
4. Confirm the tier calculation at renewal. Ask ISN support to send you the three-year average employee count they have on file. Discrepancies between your reality and their record are the only way to legitimately push a tier down faster than the rolling average.
5. Don't cancel and re-register to "reset." Cancelling does not reset the tier — your historical headcount is on file — and you'll pay the startup fee again on top of everything else.

Reality check: The single largest controllable saving for most contractors is the connection list, not the tier. Disconnecting four dormant clients at $200 a connection saves $800 in a year — and it's a one-hour project. Trimming your tier is not realistically available to you in less than 24 months.

Budgeting for Next Year

If you want a defensible number for next year's ISN line in your budget, build it like this:

• Take this year's subscription and add 5% for the escalator.
• If your three-year average headcount is within 10% of a tier boundary, model both tiers and budget the higher one.
• Take this year's number of connections, add the connections you know are coming for next year's bidding, and apply the same 5% escalator to the per-connection rate.
• Add a 10% contingency for new hiring client connections you can't predict yet.

For most mid-sized contractors that lands somewhere between 4% and 12% above this year's invoice — tighter at the low end if your headcount is flat, looser if you're crossing a tier or adding clients quickly.

The Bottom Line

The renewal invoice is not growing because ISN is overcharging you. It's growing because three things compound at once: your tier (driven by a three-year average that lags reality), the number of hiring client connections (which only ever increases unless you actively disconnect), and the annual price escalator. The startup fee inflates year one and disappears after that, masking the underlying climb in years two and three.

The subscription tier is largely outside your control on a yearly horizon. The connection list is entirely inside your control — and is the line that quietly grows the fastest. Audit it once a year, and the next renewal stops being a surprise.

PrequalPilot tracks your ISN connections, RAVS submissions, and renewal calendar in one dashboard, so the renewal invoice never lands without a forecast behind it. See pricing →