Outsourced payroll services | Amesto

Full service, A to Z

Salary calculation, holiday pay, sick pay, travel expenses, pension, employer contributions and year-end. One team, every task.

Your team, not a hotline

A dedicated contact and a backup team behind them, all with the professional expertise to handle your payroll correctly. Employees can reach us directly. You never depend on a single consultant.

Backup at short notice

Our payroll backup service places an experienced consultant at short notice when your internal person is ill, on leave or has left. No lock-in required.

ISO-certified payroll in Norway

Payroll is more demanding than it looks

We are ISO-certified for payroll in Norway. Tax changes, new collective agreements, layoff regulations and system upgrades, running payroll requires increasingly specialized knowledge. Most businesses don't have the capacity to stay on top of it all. Our ISO-certified payroll consultants are ready to help you, specialized in Norwegian payroll.

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Recognized among the best in global payroll

Global Payroll Awards 2026

Global Payroll Awards is one of the most recognised accolades in the international payroll industry, celebrating companies and individuals who stand out for quality, innovation and professional excellence.

This year we were shortlisted for six nominations, and we are thrilled to have received two prestigious awards in Barcelona in June. It confirms that the work we do every day meets a high standard, measured against the best in the industry. We are committed to giving our clients better insight and more efficient payroll processes.

Questions?

Frequently asked questions

What does outsourced payroll include?

Salary calculation, holiday pay, sick pay, travel expenses, pension, a-melding reporting to Altinn, employer contributions and annual payroll reporting. Scoped to your size and structure.

What stays in-house?

Strategic HR decisions and employment contracts stay with management. Day-to-day payroll processing, compliance and reporting moves to us.

Can we switch payroll provider mid-year?

Yes. With a structured onboarding plan we take over without disrupting monthly runs, a-melding or year-end deadlines.

Which payroll systems do you work with?

Visma Payroll, SD Worx, Flex HRM, Hogia and others. We work in your existing system wherever possible and advise on migration only when it genuinely helps.

Can you cover a leave or vacancy at short notice?

Yes. Our lønnsberedskap service places an experienced consultant within short notice, for as long as you need. No minimum commitment, no notice period to end it.

Do you handle multiple legal entities?

Yes. We run payroll for single-entity clients and for groups with multiple entities across one or several countries.

Is my payroll data secure?

Yes. Role-restricted access, GDPR compliance, and SD Worx running ISO 27001-certified infrastructure for clients who use that system.

Does outsourcing payroll reduce costs?

It typically replaces fixed internal costs (salary, employer contributions, training, system licences) with a predictable per-employee monthly fee, while also eliminating key-person risk.

Hand over payroll. Keep the oversight.

One team, every month, no gaps.