Meet the Team

We’re a team of dedicated professionals who believe in making accounting simple, supportive, and tailored to you.

Who We Are


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Gladys Alarcon

Accountant, Tax Agent & Co-Owner

Gladys is a knowledgeable, skilled and dedicated Accountant who has been in the industry for over 21 years in the areas of bookkeeping and accounting.

After graduating from The University of Wollongong, she started Citrine Solutions & Bookkeeping which she ran for over 10 years working along side small to medium business owners helping them with their bookkeeping and compliance needs.

Gladys then started working at a local accounting firm eventually getting her tax agents license and transitioning on to owning her own business specialising in Tax Accounting in the Illawarra. Together with that business she has now partnered with Oriana Katselos opening up her newest firm in the Shell Cove area. Gladys specialises in Taxation for SMSF's and still enjoys Tax Accounting.

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Oriana Katselos

Accountant & Co-Owner

Oriana is an experienced and driven Accountant. She has over 15 years experience in the Bookkeeping and Accounting industry and enjoys specialising in Taxation for individuals and companies providing support and assistance to people in need.

Oriana graduated with her Degree in Accounting from the University of Wollongong and is working towards becoming a Chartered Practising Accountant.

As a partner at A.K & Associates she is responsible for preparation and lodgement for tax returns for all types of entities and co-leads the firm together with Gladys Alarcon into a brighter future.

A smiling man wearing a white dress shirt and black pants stands in a modern office or waiting area, with framed certificates on a dark wall in the background, and wooden furniture including chairs and a small table.

Nicholos Katselos

Senior Accountant

Nicholos is our Senior Accountant and has been in the industry for over 15 years, specialising in Small  Business and Management Accounting. He is one of the latest members to the A.K  & Associates team.

Nicholos graduated from the University of Wollongong with a degree in Accounting accomplishing this with a distinction average. After a well deserved 3 month European holiday, he worked at a top mid-tier firm in Sydney for 2 years before returning to Wollongong where he has found great pleasure working with business owners and imparting his invaluable knowledge and experience.

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Our Admin Team

The Heart of Our Firm

Behind every smooth-running accounting practice is a dedicated admin team ensuring everything runs seamlessly.

They’re the friendly voice on the phone, the prompt reply in your inbox, and the steady support during busy tax periods.

With strong attention to detail and a highly organised approach, they keep our systems, schedules, and client records in order—allowing our accountants to focus on delivering expert advice.

From managing appointments and processing documents to supporting day-to-day operations, they play a vital role in creating a smooth and efficient client experience.

At the heart of our firm, our admin team ensures every interaction is professional, timely, and well supported.

Don’t just take our word for it…

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