Vision
To become one of the most competent, efficient, and effective firm in providing Tax, Accounting and Business advisory services to the public and private sectors, inside and outside Tanzania.
Professional advisory for confident business decisions.
S6 Advisory Service helps enterprises and public sector institutions strengthen compliance, financial clarity, governance, operations, payroll, and technology performance.
Integrated expertiseTax, accounting, advisory, payroll, secretarial, and IT support in one coordinated service model.
Local understandingPractical knowledge of Tanzanian business, regulatory, and institutional environments.
Execution focusClear deliverables, reliable documentation, and communication that supports decisions.
About S6 Advisory
S6 Advisory Service is a professional services firm established in 2020, headquartered in Tanzania. The firm is dedicated to delivering tailored solutions to business enterprises and the public sector, ensuring sustainable growth, operational efficiency, and compliance with local and international standards.
Mission
To provide broad and coordinated range of excellent, timely, value-for-money services that help our clients make the best business decisions.
Established 2020
Advisory built for clarity, control, and confident execution.
S6 values integrity, professionalism, team work and excellence as essential factors in service delivery. These values position us very strategically in enhancing efficiency in our client’s business operations.
- Integrity
- Professionalism
- Team work
- Excellence
- Sustainability
Services
Our services help organizations solve practical finance, compliance, governance, operations, and technology challenges with clear professional guidance and accountable delivery.
Tax Services
Practical tax compliance and planning support for businesses, individuals, projects, and institutions operating in Tanzania.
- Tax planning and advisory
- Return preparation and filing
- Tax Audit Support and dispute resolution
- Tax Due Diligence Audits
- Training and Capacity Building
- Transfer Pricing
Accounting Services
Reliable accounting systems and reporting that help leaders understand performance, obligations, and cash flow with confidence.
- Bookkeeping and reconciliations
- Management accounting
- Review and preparation of financial reporting
- Developing Accounting system and financial and Operational manual
- Financial projections for budgeting, loan/ fund request and project proposal
- Stock and other asset verification
- Assist the company on Statutory audit with external auditors
Payroll Management
Confidential payroll administration built around accuracy, statutory deductions, staff records, and timely monthly processing.
- Timely monthly payroll computations
- To make and track payroll and related income tax payments (i.e PAYE, SDL)
- To assist the company on submission of all other statutory deduction and all payroll cost including NSSF, WCF, NHIF, HESLB etc.
- To assist the company on filling quarterly WCF return as required by WCF act.
- To assist the company on filling semi-annual and annual return of withholding tax, SDL and PAYE as required by income tax act
Business Advisory
Structured advice for strategy, operations, growth, restructuring, risk, and performance improvement across private and public sector work.
- Strategy and market analysis
- Operational improvement
- Risk and compliance advisory
Secretarial Services
Corporate compliance support that keeps company records, filings, meetings, and governance documentation properly maintained.
- Company registration
- Annual returns and statutory records
- Board and shareholder documentation
IT Consulting Services
Technology advisory that helps organizations improve productivity, resilience, data protection, and digital service delivery.
- IT strategy and systems review
- Cybersecurity guidance
- Digital transformation support
Built for organizations that need clarity, control, and growth.
We support clients across business and institutional environments where accuracy, compliance, and practical judgment matter.
Private Enterprises
Support for growing companies that need dependable tax, accounting, payroll, and governance capacity.
Public Sector
Advisory and compliance services aligned with accountability, value for money, and institutional performance.
Projects & Donor Programs
Financial controls, reporting discipline, documentation, and operational support for funded initiatives.
Professional Firms
Back-office, payroll, compliance, and technology support for firms that need trusted execution.
Let’s build your success story together.
Partner with S6 Advisory Service and take the first step toward sustainable growth, operational excellence, and confident compliance.
Why clients choose S6 Advisory
We combine professional discipline with practical commercial awareness, so clients receive advice that is clear, implementable, and aligned with their goals.
Tailored Solutions
Every organization is unique, and so are our solutions.
Experienced Professionals
Seasoned experts with knowledge across industries and sectors.
Client-Centric Approach
We work closely with clients to understand goals and deliver practical results.
Commitment to Excellence
We focus on high-quality service, satisfaction, and long-term success.
A clear approach from diagnosis to delivery
Our engagement model keeps work focused, measurable, and easy for client teams to follow.
1
Discover
We understand your organization, obligations, operating risks, and decision-making priorities.
2
Design
We shape a clear scope, service plan, reporting rhythm, and compliance calendar.
3
Deliver
We execute with discipline, transparent communication, and practical documentation.
4
Improve
We review outcomes and recommend better controls, systems, and operating practices.
Advisory perspectives that improve operations
Strong organizations are built through consistent controls, reliable information, and timely professional judgment.
Compliance that protects growth
Good compliance is more than filing on time. It gives management clean records, reduces penalties, and creates confidence for investors, boards, and regulators.
Advisory grounded in execution
We combine strategy with the accounting, tax, payroll, governance, and technology details that determine whether plans actually work.
Systems for better decisions
Reliable financial information, documented controls, and well-managed technology help leaders act earlier and with less uncertainty.
Trusted by clients across sectors
We support private and public organizations with dependable advisory, accounting, tax, payroll, secretarial, and technology services.
Get in Touch with Us
Whether you have questions about our services, need advice on a specific project, or are ready to partner with us, our team is ready to assist you.
Physical Address
Mlimani Tower, Opposite Mlimani City Mall
7th Floor, Sam Nujoma Road
P.O.Box 13456, Dar es Salaam, Tanzania
Call
Open Hours
Office Schedule
Monday
08:30 - 17:00
Tuesday
08:30 - 17:00
Wednesday
08:30 - 17:00
Thursday
08:30 - 17:00
Friday
08:30 - 17:00
Saturday
By appointment
Sunday
Closed
Consultations outside office hours can be arranged in advance.