What should a company with 100 to 1,500 employees require from its payroll outsourcing provider?

Why is payroll outsourcing different for a company with 100 employees versus one with 1,500?

Because the challenge is no longer simply calculating a payroll correctly; it becomes managing a large-scale process involving numerous sources of information and legal obligations that apply only to companies of a certain size. At this scale, a single error doesn’t affect just one person—it is repeated in dozens or hundreds of payrolls, in the monthly contributions, and in the reports used by management.

In a small business, the typical challenge is continuity: if the person who calculates payroll leaves, no one knows how it was done. That analysis is included in our guide on whether it makes sense for an SME to outsource payroll. In a company with 100 to 1,500 employees, the challenge is different: coordinating various departments that report updates (management, shifts, sales, risk prevention), meeting deadlines for large volumes of data, and providing transparent, traceable responses to employees, unions, auditors, and the Labor Department.

For reference, the Labor Code classifies companies by number of employees: micro (1 to 9), small (10 to 49), medium (50 to 199), and large (200 or more). The range from 100 to 1,500 covers the upper end of medium-sized companies and a significant portion of large companies, which is precisely where the additional obligations described below are concentrated.

What employment obligations arise when a company has more than 100 or 200 employees?

Several obligations depend on the size of the workforce, and it is important for the payroll provider to be aware of them, since many of them rely on the same personnel data. These are the most relevant ones:

Added to this are obligations that apply to all companies but have a greater impact on larger ones: the gradual reduction in working hours under Law 21,561 (as of April 2026, the maximum regular workweek is 42 hours and will reach 40 hours in 2028), the harassment prevention protocol under the Karin Act (Law 21,643), the employer’s contribution under the pension reform (Law 21,735), which began in August 2025 and increases in stages, and the new personal data protection law (Law 21,719), which takes full effect in December 2026 and directly affects anyone who processes employee data.

None of these laws require outsourcing. What does change, however, is the cost of making a mistake: a poorly configured calculation for 400 people leads to recalculations, discrepancies in contributions, and a chain reaction of claims.

What should payroll outsourcing include for a medium- or large-sized company?

It should cover the entire process, not just the calculation. At this stage, the relevant question is not “Who does the calculation?” but “Who is responsible for each step, from the time a new transaction is received until the payment and contributions are reconciled?” A reasonable scope includes:

• Calculation and payment of compensation with reporting, including variables such as overtime, commissions, bonuses, shifts, the calendar week, and performance bonuses.
• Document management: contracts, attachments, severance payments, vacation time, sick leave, and absences, with an organized record that endures through personnel changes.
• Online access to information for HR and management, without having to rely on someone sending spreadsheets by mail.
• Self-service portal for employees, allowing each employee to download their pay stubs and certificates and check their vacation balances without having to go through the HR department.
• Integrated attendance tracking for shift-based operations or multiple locations, because attendance is the primary source of updates and errors.
• A private role for executives and senior management, offering true confidentiality—not just a password-protected file.
• Management reports: labor costs by cost center, turnover, absenteeism, and overtime—to make data-driven decisions.
• Labor law support to interpret regulatory changes, review complex cases, and prevent contingencies.

If you'd like to review the general criteria for comparing providers, you can read about how to choose a payroll outsourcing company.

How do you manage the volume of new items without losing track of the deadline?

With a written timeline for closing out payroll, clearly defined responsibilities for each type of update, and validations before calculations are made. In a company with 100 to 1,500 employees, the greatest risk does not lie in the payroll calculation formula—it lies in information that arrives late, is incomplete, or is duplicated.

A sound process typically includes the following components:

1. A single cutoff date for new developments (hires, terminations, salary changes, bonuses, leaves of absence), known to all department heads.
2. Upload data in a single file, preferably from the support system or a standard spreadsheet; never as individual messages.
3. Preliminary statement: a preliminary calculation that the client reviews before final approval, with alerts for unusual variations.
4. Reconciliation between amounts paid, reported contributions, and amounts recorded in the books, every month.
5. Change log: Who requested each adjustment, when, and on what basis.

Outsourcing doesn't mean washing your hands of the matter. The company remains the employer and must have an internal point of contact to approve the payroll. We explain this in detail in "How to Outsource Payroll Processing Without Losing Control."

What about companies that have branches, work sites, or shifts?

These are the sectors that benefit most from an integrated service, because each branch typically has its own way of tracking time. In retail, healthcare, mining, logistics, or services, the difference between a properly recorded workday and one that isn’t is directly reflected in overtime, late payments, surcharges, and breaks.

What should be demanded in these cases:

• An attendance tracking system that complies with Labor Department regulations, allowing employees to clock in from different branches and providing online access to back pay and overtime.
• Automatic blocking of former employees in the time-clock system to prevent improper entries.
• Implementation of each shift system and the reduction in working hours under Law 21,561, which requires a review of agreements and work schedule arrangements.
• Reports by cost center, to determine which branch or facility is responsible for the increase in labor costs.

How is confidential information about executives and employees protected?

With access rules, contracts, and procedures—not just technology. A company of this size handles sensitive data belonging to hundreds of people: salaries, sick leave, bank accounts, dependents, garnishments, and child support payments. Law 21,719 on the protection of personal data raises the standard of care and accountability for those who process such information.

When evaluating a supplier, ask:

• Which members of the supplier's team have access to what data, and whether they sign confidentiality agreements.
• How the private executive role is managed and who within the company can view it.
• Where is the data stored, how is it backed up, and what happens to it if the contract ends?
• How is it recorded who viewed or modified each piece of data?

If the main topic is senior management, check out our guide on executive compensation in the private sector.

Who is held accountable if there is an error in the pay for hundreds of workers?

The company is always responsible to the workers and the authorities, because the status of employer cannot be transferred. What can be defined is how the supplier is accountable to the company: deadlines for corrections, the cost of rework, fines attributable to its error, and service levels.

In medium and large companies, this issue carries greater weight for a practical reason: if an employee’s social security contributions are not up to date at the time of termination, the Labor Code stipulates that the termination is not effective until they are paid. With hundreds of employees and monthly turnover, a systematic error can affect many severance payments at once. That is why it is advisable for the contract to specify who reconciles the contributions each month and within what timeframe any discrepancy must be reported.

The specific provisions that should be reviewed concern who is liable if the payroll provider makes a mistake.

Payroll Software or Outsourcing: Which Is Better for Companies with Over 100 Employees?

It depends on whether the company wants to purchase a tool or outsource a process. Software automates the calculation, but it requires an in-house employee to configure it, upload updates, review the data, and respond to inquiries. Outsourcing provides a process managed by a team, typically on a payroll platform.

It's not an all-or-nothing decision: many companies outsource payroll processing while retaining responsibility for payroll, or start with a subsidiary or a group of employees. A comprehensive comparison of costs and risks can be found in the section on payroll software vs. outsourcing.

Does the vendor have to use my current system, or can they work with their own?

It can be done either way, and it’s best to decide which one before getting a quote. Many companies of this size already use a compensation or HR management platform, and switching to a new one involves costs. The important thing is that the provider be able to work with the chosen platform without losing traceability, and that the data remain the property of the company.

On its website, Wiseplan lists, among its partners, people management and attendance tracking platforms used in Chile, such as Buk, Talana, Rex+, HCM Front, and GeoVictoria. Always ask any provider which systems it has worked with and how historical data is transferred.

How much does payroll outsourcing cost for a company with 100 to 1,500 employees?

There is no standard price for comparison, because the cost depends on the number of employees and the services included. Two proposals with the same number of employees can be very different if one includes attendance tracking, a private payroll, severance pay, and employee support, while the other includes only payroll processing.

To ensure a fair comparison, ask each supplier to provide a quote for the same scope of work and to specify:

• Number of monthly payments included and amount per additional payment.
• Final settlements, recalculations, and reprocessing: whether they are included or charged separately.
• Attendance tracking, private role, and self-service portal.
• Reports included and frequency.
• Legal Support: Which inquiries are covered, and which are billed separately.
• Cost and implementation timeline, including the month of parallel processing.

On the other side of the scale, factor in the actual cost of the internal process: team hours, replacements, software licenses, rework, fines, and the time management spends reviewing errors. That comparison—using your own numbers—is worth more than any market average.

What is the implementation process like when hundreds of payroll runs are outsourced?

In stages, with at least one month of parallel processing. An orderly transfer typically follows this sequence:

1. Survey: standard contracts, pay items, shifts, benefits, collective bargaining agreements, cost centers, and current schedule.
2. Uploading master data: employee records, vacation history, current leaves of absence, loans, and deductions.
3. Definition of each item and validation with the company's counterpart.
4. Parallel calculation: For at least one month, calculations are performed on both systems, and all discrepancies are reviewed.
5. Live release with an agreed-upon release schedule and designated points of contact for each update.
6. A 90-day review to adjust processes, reports, and service levels.

The timeline depends on the quality of the source information. A company with well-organized data moves faster than one with scattered spreadsheets or agreements with many special rules. Always ask for the timeline in writing.

What compensation metrics should management review each month?

Those that show whether the process is under control and whether labor costs are fluctuating for the right reasons. With more than 100 employees, reviewing pay stubs one by one isn’t feasible; what works is a concise dashboard that you review every month:

• Total labor costs and labor costs by cost center, compared to the previous month and to the budget, broken down into base salary, variable pay, and employer contributions.
• Overtime by branch or area, because it’s often the first sign of staffing issues or poorly designed shifts, and its cost rises quickly.
• Absenteeism and sick leave, including lost workdays and their impact on substitutions and overtime.
• Turnover: Hires and terminations for the month, including the associated severance costs.
• Reprocessing: How many payroll runs were corrected after they were issued, and for what reason? If this number does not decrease, the problem lies in the source data or in the configuration.
• Workers' claims regarding pay discrepancies, and the time it took to resolve them.
• Social Security Status: Ensure that all reported amounts have been paid and reconciled, so there are no surprises in the event of termination.

A good provider doesn't just deliver this data: it alerts you when one of the metrics deviates from the norm and suggests what to check.

What questions should a large company ask a supplier before hiring them?

These questions help distinguish a vendor that's ready to handle high volume from one that just calculates salaries:

1. Which companies of a similar size to ours do you currently serve, and in which industries?
2. Who will be our day-to-day contact, and who will fill in for them when they're on vacation or leave?
3. What is your deadline schedule, and what happens if a new item is submitted after the deadline?
4. Do you submit a preliminary payroll for review before the final closing?
5. How do you reconcile payments, contributions, and accounting each month?
6. How do they handle shifts, branches, and reduced work hours?
7. How do they protect privacy and sensitive data, and what changes with Law 21,719?
8. What kind of legal support regarding employment matters do they provide, and who provides it?
9. What management reports do you provide, and how often?
10. What happens to our data if we terminate the contract?

A vague answer to the second, third, or tenth question is a red flag, even if the price is attractive. If you want to see how the leading companies in the industry compare based on publicly available criteria, check out the 2026 ranking of payroll outsourcing companies in Chile.

How does Wiseplan work with companies that have between 100 and 1,500 employees?

Wiseplan is a human resources consulting firm with more than 13 years of experience, operating in Chile and Peru, that primarily serves medium and large companies with 100 to 1,500 employees. Its payroll outsourcing service includes:

• Calculation and payment of compensation, including reporting.
• Document management for contracts, attachments, severance payments, vacation time, leaves of absence, and absences.
• Online access to information via the extranet.
• Self-service portal for employees.
• Strategic Reports for HR Decision-Making
• A private role for executives and senior management, handled confidentially.
• Biometric time and attendance system that complies with Labor Department regulations, with access to time records from different branches.

In addition, she combines compensation services with labor law advisory services, labor law litigation, and human resources consulting (workplace climate, salary structure, and performance evaluation)—which is particularly useful in companies where a compensation issue often ends up becoming a legal or workplace climate issue as well. She has worked with companies in industries such as retail, consumer goods, mining, and technology, and is a member of the Official Spanish Chamber of Commerce in Chile (CAMACOES), the Chilean-Peruvian Chamber of Commerce, and the Human Resources Network.

If your company has between 100 and 1,500 employees and you're considering outsourcing payroll, you can contact Wiseplan to review your workforce, your variables, and the scope of services you actually need.

Frequently asked questions

At what number of employees does it make sense to outsource payroll?

There is no legal minimum. In practice, once a company has around 100 employees, the volume, variables, and obligations associated with that size mean the process requires a team rather than a single person. The decision depends on whether such a team exists within the company and whether it can provide the necessary quality and oversight.

Can a company with more than 1,000 employees outsource its payroll?

Yes. This is common in companies with multiple branches, shifts, or subsidiaries. The important thing is to establish a closing schedule, designate an internal counterparty to approve the preliminary payroll, and define service levels in writing.

Does outsourcing payroll transfer the employer's responsibility?

No. The company remains the employer in relation to the workers and the authorities. The contract with the supplier defines how the supplier is liable to the company for its errors.

Is it possible to outsource only a part of it, such as the private division or a subsidiary?

Yes, it's usually possible. Many companies start with a private executive role, a subsidiary, or a group of employees, and expand their scope after the first few deals are closed.

What special obligations do companies with 100 or more employees have?

Among other requirements, the workforce inclusion quota established by Law 21.015 (at least 1% of employees must be people with disabilities or recipients of disability pensions, with an annual report submitted to the Labor Directorate) and, in mining, industrial, or commercial companies with more than 100 employees, the risk prevention department. For companies with 200 or more employees, the internal regulations must also include a list of job positions.

How long does it take to implement payroll outsourcing in a large company?

It depends on the quality of the data and the number of payment rules. It's a good idea to request a written timeline and allow for at least one month of parallel calculations before going live.