Our Services

Expert accounting solutions for entrepreneurs, freelancers, and individuals to simplify your financial management.

Tax Filing Services

We provide personal and corporate tax filing to ensure compliance and maximize your returns.

Two service windows with blue signs above each window. The left sign reads 'Facturacion Caja' and the right one reads 'Faturamento Caixa.' These windows appear to be part of a billing or payment service area. A few items, such as boxes and papers, are placed behind the windows. A small digital display shows a number.
Two service windows with blue signs above each window. The left sign reads 'Facturacion Caja' and the right one reads 'Faturamento Caixa.' These windows appear to be part of a billing or payment service area. A few items, such as boxes and papers, are placed behind the windows. A small digital display shows a number.
Bookkeeping Services

Our bookkeeping services help you maintain accurate financial records, tailored to your business needs.

A storefront featuring services like money transfer, cheque cashing, and bureau de change. The awning prominently displays 'International Money Transfer' and various notices and advertisements are visible around the entrance. Adjacent to the entrance, fresh produce from a fruit vendor can be seen. The overall setting suggests a busy street, likely in an urban area.
A storefront featuring services like money transfer, cheque cashing, and bureau de change. The awning prominently displays 'International Money Transfer' and various notices and advertisements are visible around the entrance. Adjacent to the entrance, fresh produce from a fruit vendor can be seen. The overall setting suggests a busy street, likely in an urban area.

Accounting Services

Simplifying financial management for entrepreneurs and individuals alike.

A vertical sign displaying multiple business names in both English and Korean. The businesses include a spa, restaurant, karaoke bar, church, tailoring and alteration services, and a sushi restaurant. The sign is brightly lit with a mix of blue, red, and white colors.
A vertical sign displaying multiple business names in both English and Korean. The businesses include a spa, restaurant, karaoke bar, church, tailoring and alteration services, and a sushi restaurant. The sign is brightly lit with a mix of blue, red, and white colors.
Tax Filing Help

Expert assistance with personal and corporate tax returns.

Two business cards placed on a white sheet. The cards are orange and dark blue, each with the text 'CASTRO CAPITAL' printed in uppercase.
Two business cards placed on a white sheet. The cards are orange and dark blue, each with the text 'CASTRO CAPITAL' printed in uppercase.
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A storefront with multiple businesses, including a fashion hair salon, an insurance agency, and a shop selling ginseng and dried seafood. The facade is colorful with signs in both English and another language. Neon lights and an open sign are visible in the salon window.
A storefront with multiple businesses, including a fashion hair salon, an insurance agency, and a shop selling ginseng and dried seafood. The facade is colorful with signs in both English and another language. Neon lights and an open sign are visible in the salon window.
A stack of business and entrepreneurship books on a table. The titles are oriented towards strategies, innovation, and startup guidance, including 'Zero to One', 'Ego is the Enemy', and 'The Startup Owner's Manual'. The setting appears to be in a modern office or study environment.
A stack of business and entrepreneurship books on a table. The titles are oriented towards strategies, innovation, and startup guidance, including 'Zero to One', 'Ego is the Enemy', and 'The Startup Owner's Manual'. The setting appears to be in a modern office or study environment.
Bookkeeping Support

Reliable bookkeeping services tailored to your business needs.

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Optima Tax Management made my accounting simple and stress-free. Highly recommend their services for entrepreneurs!

John Doe

A rustic stone building with a sign advertising services such as masseur and midwife. The building has weathered stone walls and a tin roof overhang. Yellow and black signs next to the entrance list various other services.
A rustic stone building with a sign advertising services such as masseur and midwife. The building has weathered stone walls and a tin roof overhang. Yellow and black signs next to the entrance list various other services.
A person holding a black book against a plain background. The book is titled 'The Rules of Entrepreneurship' and is grasped with both hands. The person is wearing a plaid shirt with long sleeves and has a ring on one finger.
A person holding a black book against a plain background. The book is titled 'The Rules of Entrepreneurship' and is grasped with both hands. The person is wearing a plaid shirt with long sleeves and has a ring on one finger.

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