Personal service, backed by 20+ years of expertise
Mystique Accounting Services provides reliable, affordable and fully compliant accounting for small to medium businesses and individuals — in South Africa and beyond.
Meet Olga Augusto
Short in stature but full of energy and passion, Olga has spent more than 20 years in the accounting industry.
She works with clients throughout South Africa and internationally, providing accounting and tax services with a warm personality, sharp expertise and a genuinely personal approach. Clients don’t deal with a call centre — they deal with Olga.
Many of her client relationships go back 15 to 17 years, which says more about the service than we ever could.
Talk to OlgaQualifications & registrations
Mystique is run by a registered, professionally accountable practitioner.
Our vision
To provide accurate, reliable and personalised accounting and tax services that keep individuals and businesses fully compliant with SARS — allowing them to focus on running and growing their businesses with confidence.
Our mission
To be the trusted accounting partner for small and medium businesses across South Africa and beyond — simplifying compliance, empowering business owners and building long-term relationships.
What we stand for
Integrity
Accuracy, honesty and ethical practices form the foundation of everything we do.
Reliability
Consistent delivery on deadlines and compliance, month after month.
Personalised Service
Solutions tailored to each client’s individual needs.
Professional Excellence
More than 20 years of experience, held to the highest standards.
Communication
Clear, friendly and responsive communication is at the heart of our service.
Client Empowerment
Helping you understand your numbers so you can make better decisions.
Long-Term Relationships
Building trust through consistent support — many clients have been with us 15+ years.
What our clients say
“Our company has been working with Mystique Accounting Services, headed by Olga Augusto, for 17 years, and her professionalism and expertise have been invaluable.”
“Olga Augusto of Mystique Accounting Services is a professional with the utmost integrity and having known her for about 15 years, I can recommend her highly.”
“Working with Olga Augusto from Mystique Accounting has been an absolute pleasure. She brings a rare combination of technical precision and genuine client care.”
“We have been with Mystique Accounting for many years and have always received excellent service. Olga goes out of her way to assist.”
“Working with Olga has been transformative for my business. Her expertise, dedication, and genuine care shine through in everything she does.”
“We’ve had the pleasure of working with Mystique Accounting and Tax Services for over 16 years and their service has been nothing short of exceptional.”