Books, payroll and the year
1099 or W-2, and why getting it wrong is expensive
You are about to bring someone on. They would prefer to invoice you, you would prefer not to run another payroll, and the arrangement suits everybody.

It is an easy conversation to have and an expensive one to have wrongly. The agreement between the two of you is not what decides the answer, and the cost of a wrong answer sits almost entirely on one side.
This is not a rare or technical problem. It is one of the most common expensive errors in small business, and it usually starts with two reasonable people agreeing on something they were not free to agree.
The misconception
That it is a preference the two of you agree. That because they asked to be a contractor, and you accepted, and there is a signed agreement saying contractor, the relationship is what the paper says it is.
The agreement is evidence and it is not the determination. A document describing a relationship that does not match the facts describes the wrong relationship.
What actually decides it
It is a test about control and independence, applied after the fact, by somebody looking at how the work was really done rather than at what it was called.
The question is not what you agreed. It is who controlled the work, and that gets answered later by somebody reading the facts.
The factors cluster into a few areas. Behavioural control, meaning who decides when, where and how the work is done, whether there is training, whether there are set hours, whether the person can decline work or send somebody else. Financial control, meaning who supplies the tools, whether the person has unreimbursed costs, whether they can make a loss, how payment is structured, and whether they serve other clients. And the nature of the relationship itself, meaning permanence, whether the work is core to what the business does, and whether employee style benefits are provided.
No single factor is decisive and the weight given to each varies. A different standard may apply for different purposes, and some states apply a stricter test than the federal one, which means a person can be a contractor for one purpose and an employee for another.
The direction of travel in most states over recent years has been toward a stricter test, so an arrangement that was comfortable some years ago should be looked at again rather than assumed to be settled.
The number
As a range, reclassification costs the business the employment taxes that should have been withheld and paid, plus interest for the period, plus potential additions, and the exposure runs across every year the arrangement was in place and remains open. Add unpaid overtime and benefit entitlements where employment law reaches the same conclusion, and any state level assessment on top.
For a single worker over a short period the figure can be modest. For several workers over several years it becomes a number that threatens the business, and the reason is simply that the same error repeated is the same error multiplied.
The rates, thresholds and any relief provisions involved change, so any figure should be checked for the years actually in question.
What this requires
- An honest assessment against the factors before the person starts, not a label chosen for convenience.
- A written agreement that describes what will really happen, and then a working relationship that matches it.
- Contractors who look like contractors, with their own tools, their own hours, their own other clients and their own invoices.
- A review whenever the relationship changes, because a contractor can drift into an employee without anybody deciding to change anything.
Drift is the underrated risk. Somebody starts on a defined project, becomes useful, and two years later has a company email address, attends the weekly meeting and works only for you. Nothing was decided. The classification changed anyway.
Who this is not for
Nobody is exempt, so use this for the clearest cases on each side, because most real situations sit near one of these poles rather than in the difficult middle.
Clearly a contractor. An established business with its own clients, its own insurance and its own equipment, engaged for a defined piece of work, invoicing on its own terms, deciding for itself how and when the work is done. A design studio, a law firm, a contractor who arrives with a van and a crew.
Clearly an employee. Someone who works set hours you determine, at a place you provide, with equipment you own, under supervision, on the core activity of your business, exclusively for you, for an indefinite period. Calling that person a contractor does not make them one, and this is by far the most common version of the mistake.
Where a case genuinely sits in the middle, that is the point to get advice rather than to pick the answer you prefer. There are formal routes for obtaining a determination, and there are relief provisions in some circumstances for businesses that treated workers consistently and had a reasonable basis.
When this happens
Decided before the person starts and reviewed as the relationship changes. Fixing it going forward is straightforward. Fixing the years behind it is not, and that is where the cost lives.
The point
This is not paperwork. It is a structural decision with a multi year tail, made in a five minute conversation at the start of a working relationship.
That makes it planning rather than filing. Your Charter team works through classification before somebody starts, which is the only point at which it is cheap.
Where this goes next
- BookkeepingBooks kept current enough to plan from. Scoped and quoted.
- Tax planningThe written plan, the tiers and what each one covers.
- Tax SnapshotEight questions, two minutes, nothing stored.
This is general information, not advice on your own situation. Whether any of it applies to you depends on facts this article does not know.
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