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About Accountancy Outsourcing Services
Founded in 1998, AOS Ltd. began as a pioneering force in Business Process Outsourcing (BPO) and software implementation, delivering innovative accountancy solutions for small businesses in the UK. Driven by a vision for transformative solutions, AOS has evolved into a multi-sector industry leader with operations in agritech, real estate, healthcare IT, and more. With over 2,000 skilled professionals and a commitment to excellence, we provide clients with end-to-end solutions that drive efficiency, sustainability, and growth.
- Aviator app:
- Balloon app:
- Chicken road app:
- Sweetbonanza app: sweetbonanzaapp.win
Social Responsibility
Recent Work
Our Projects
Take a look at our some of the most recent projects that highlight our excellence in Information Technology.

Digital Land Records

Large Scale Data Entry & Scanning Projects

GIS Based Projects

Government Contracting

Agri Tech

Investments
AOS Serv Ltd. – Company Business Profile
Introduction
AOS Serv Ltd., established in 1998, initially focused on Business Process Outsourcing (BPO) and software implementation. The company aimed to provide innovative end-to-end accountancy solutions for small businesses in the UK, marking a transformative departure from traditional Chartered Accountancy services. A $9 million investment from Mercury Asset Management (now Hg Capital) enabled rapid growth, positioning AOS as a leading Accountancy Outsourcing provider in the UK.
Today, AOS, an ISO 9001:2000 and ISO 27001:2013 certified company, employs over 550 technical and support staff, with a commitment to revolutionizing software solutions across various sectors. Key projects include the Land Records Management Information System (LRMIS) in Pakistan, transforming land records management, and Ascot Drummond’s accountancy solutions for small businesses.
Objectives
AOS is committed to helping clients streamline their business processes through effective outsourcing, which enhances operational efficiency and reduces capital expenses. By leveraging its expertise in BPO and IT consultancy, AOS aims to seamlessly integrate, manage, and continuously improve its clients’ business processes with turnkey software solutions.
Philosophy
AOS’s philosophy emphasizes trust, understanding, and customized solutions. By fostering a culture of client-centered service, the company strives to create long-term value for clients and associates alike. Over 16 years of successful client relationships underscore AOS’s commitment to ensuring that client success leads to company growth.
Quality Policy
AOS is dedicated to delivering high-quality, precise, and timely products and services to exceed client expectations. The company maintains a culture of continuous improvement, innovation, and quality, inspiring employees to approach their roles with passion and excellence.
