About Us

Why should you as a business owner contact us.

Osservi Outsource Services is a leading service provider in the field of Bookkeeping, Payroll, and has been transforming businesses across Ireland.

Ireland's payroll experts, on your side — we've been managing payroll for Irish businesses, handling every PAYE submission, PRSI calculation, and Revenue filing so you don't have to.

We fix your paperwork headaches.

Osservi Outsource Services is a leading service provider in the field of Bookkeeping and Payroll, and has been transforming businesses across Ireland. Active in the Outsourcing Industry since 2018, we have come a long way in making companies work efficiently in how they handle their financial paperwork.

Pioneers in Bookkeeping services in Ireland, we have been using the latest technology like AI to execute tasks daily. It led us to reduce the processing time in terms of output while enhancing the accuracy for our clients. We get to pass on these efficiencies in the form of cost savings to our clients. That is what makes us one of the most sought-after outsourcing bookkeeping companies.

Just hit the Free Consultation button to see how much we can help. Let the transformation begin.

Free Consultation
DJ

Dana Johnson

Accountant

Part of the Osservi team helping Irish businesses stay on top of bookkeeping and payroll with clarity and confidence.

Osservi Our Mission

You will know where your business is financially at all times.

Every business owner gets to the stage where their financial information feels out of control. We help by simplifying this for busy business owners. We take care of all the supplier and sales invoices every month and we give you 3 simple one-page monthly reports to tell you how your business is doing.

Packages to suit your budget
(we are on avg 30% better value than competitors).

We are here to help business owners gain control and clarity on their business financial information.

Business made simple is our motto.

Customer first

Passion

Integrity

Excellence

Get a personal consultation.

Our Story

Founded in Dublin.
Built for Irish business.

Osservi was founded in Dublin with one mission: to make payroll simple, compliant, and stress-free for Irish businesses of every size — from sole traders to companies with hundreds of employees.

We understand Irish employment law, Revenue requirements, and the unique challenges that Irish business owners face. Our team of dedicated payroll specialists are here to handle it all.

With Osservi, you get a named contact who knows your business — not a call centre, not a bot. Real people, real expertise.

8
Years serving
Irish businesses
500+
Active clients
across Ireland
99.8%
Payroll accuracy
rate
4.9★
Average client
rating
Our Values

What drives us every day

Personal Service

You get a dedicated payroll specialist who knows your business. Every question answered, every problem solved — personally.

Accuracy First

Every payslip, every submission, checked and double-checked. We take full responsibility for getting it right, every time.

Full Compliance

We stay ahead of every Revenue change, budget update, and employment law amendment so your business is always protected.

Our Team

Meet the people behind Osservi

MO

Mick O'Brien

FOUNDER & DIRECTOR

20 years in Irish payroll and accounting. Former Revenue-trained tax specialist.

SM

Sinéad Murphy

HEAD OF PAYROLL

Certified payroll specialist with expertise in PAYE Modernisation and multi-sector payroll.

DK

Darragh Kelly

HR & COMPLIANCE

Employment law specialist keeping our clients protected and fully compliant at all times.