360° Compliance & Advisory Solutions

Moddassar A Siddique & Co. · Chattogram, Bangladesh

Precision.
Clarity.
Financial Excellence.

Trusted by Bangladesh's leading corporations for over 25 years. We simplify compliance, power growth, and protect your business with expert Tax, VAT, RJSC, and Advisory services.

View Our Packages
25+
Years Experience
360°
Compliance Coverage
8+
Expert Professionals
350+
Trusted Clients
Moddassar Ahmed Siddique FCA, CMA (ANZ), MBA
FCA · CMA
Moddassar Ahmed Siddique
FCA · CMA (ANZ) · MBA
Founder & Proprietor · 25+ Years Experience
Tax Computation & Filing VAT Return Submission RJSC Registration Business Advisory Offshore Accounting Due Diligence Reports Payroll Processing NBR Liaison Corporate Compliance Tax Computation & Filing VAT Return Submission RJSC Registration Business Advisory Offshore Accounting Due Diligence Reports Payroll Processing NBR Liaison Corporate Compliance
FCA · CMA (ANZ) CertifiedInternational professional standards
NBR & RJSC RegisteredFully licensed & compliant practice
25+ Years of ExcellenceServing Bangladesh's top corporations
4-Hour Response GuaranteeDedicated support via WhatsApp & email
Hear from Our Founder

A Legacy Built on
Trust & Precision

Moddassar Ahmed Siddique, FCA, CMA (ANZ), MBA brings over 25 years of experience in delivering precise and innovative financial solutions across Bangladesh and internationally.

At Moddassar A Siddique & Co., we go beyond numbers — delivering strategic insight, proactive risk management, and end-to-end compliance across Tax, VAT, RJSC, and business advisory.

From the corridors of Bangladesh Petroleum Corporation to Mobil Oil and Eastern Refinery Limited, our track record is built on results. We are not just accountants — we are partners in your business journey.

Full Regulatory Alignment
NBR, RJSC, VAT & Tax compliance managed end-to-end.
Strategic Growth Focus
Advisory that drives informed decisions and profitability.
International Standards
CMA (ANZ) certified with global accounting frameworks.
Trusted Partnership
Long-term relationships built on transparency and results.
25 Years
Expert
Founder's Message — Moddassar Ahmed Siddique, FCA · CMA (ANZ) · MBA
Our Service Model

Structured for Every Stage of Growth

In response to significant client demand, we have introduced a structured service model — designed to support businesses at every phase of their lifecycle with precision, control, and full regulatory alignment.

Launch360™ · Startup Package
Start Smart.
For new businesses, entrepreneurs & startups
  • RJSC Entity Formation
  • Trade License Assistance
  • BIN (VAT) Registration
  • TIN Certificate Setup
  • Initial Accounting Setup
  • 45-min Strategy Session
Compliance360™ · Corporate Package
Full Control.
For corporates & import/export firms
  • Advanced VAT & Tax Planning
  • RJSC Annual Filing & Compliance
  • NBR & RJSC Authority Liaison
  • Dedicated Account Manager
  • Business Restructuring Advisory
  • Due Diligence Reports
Need Something Specific?
Specialized Add-On Services — bespoke solutions for complex business needs. Click any to learn more.
"Empowering businesses to start right, grow efficiently, and operate with confidence — from startup formation and regulatory setup, to scalable SME support and end-to-end corporate compliance management."
— Moddassar Ahmed Siddique, FCA · CMA (ANZ) · MBA · Founder
What We Do

Comprehensive Services
for Every Need

360° advisory designed to ensure your business remains compliant, competitive, and confidently positioned for long-term growth in Bangladesh and beyond.

01
Tax Computation & Filing
Accurate income tax computation, filing with NBR, and proactive planning strategies tailored to your business structure and goals.
02
VAT Registration & Returns
BIN registration, monthly VAT return submission, dispute resolution, and full compliance with Bangladesh VAT Act 2012.
03
RJSC Registration & Compliance
Company formation, annual returns, share transfers, directorship changes, and all RJSC legislative requirements expertly managed.
04
Bookkeeping & Financial Reporting
Full bookkeeping, P&L statements, balance sheets, cash flow analysis, and management accounts prepared to IFRS standards.
05
Payroll & HR Compliance
Monthly payroll processing, salary slips, provident fund administration, and statutory compliance for domestic and international payrolls.
06
Offshore Accounting Services
End-to-end outsourced accounting for international clients — cost-efficient, cloud-based, and delivered to global standards.
Why Choose Us

The MAS Difference

Internationally Certified
FCA & CMA (ANZ) accreditation ensures advice aligned with global accounting standards and best practices.
End-to-End Compliance
From NBR filings to RJSC amendments, we handle the entire compliance lifecycle so you can focus on your core business.
Dedicated Account Manager
Every client gets a named point of contact who understands your business deeply — not a call centre.
4-Hour Response Commitment
We guarantee a 4-business-hour response. Your urgent matters are never left waiting.
Our People

Meet the Experts Behind
Your Success

A team of certified professionals dedicated to delivering excellence and integrity across every client engagement.

Moddassar Ahmed Siddique
Moddassar Ahmed Siddique
FCA · CMA (ANZ) · MBA · Proprietor
Engr. Zidan Mabrur Siddiqui
Engr. Zidan Mabrur Siddiqui
Chief Information Officer
Zahin Sakhawat Siddiqua
Zahin Sakhawat Siddiqua
MBA · CA (CL) · Accounting Manager
Hari Bandhu Dey
Hari Bandhu Dey
ITP · MBA · Tax & VAT Supervisor
Shahriar Sajjad
Shahriar Sajjad
MBA · Operations Manager
H.M Rabiul Ahasan
H.M Rabiul Ahasan
CMA (ANZ) · Financial Advisory Lead
Ishrak Shams
Ishrak Shams
MBA · CTO & Financial Advisory Lead
Trusted By

Our Valued Clients

Bangladesh's most respected public & private sector organisations

Eastern Refinery Limited
Bangladesh Shipping Corporation
Standard Asiatic Oil Company Limited
Padma Oil PLC
Bangladesh Petroleum Corporation
Chittagong Dry Dock Limited
Jamuna Oil Company Limited
Mobil Oil Company
Get in Touch

Let's Discuss How We Can
Serve Your Business

Whether you're a startup taking your first steps or a corporation managing complex compliance needs — we're ready to provide the clarity and expertise you need. Book a free consultation today. No obligation, just insight.

Phone / WhatsApp
Office Address
Facy Building, 87 Agrabad C/A
Chattogram 4100, Bangladesh
Office Hours
Sunday – Thursday: 9:00 AM – 6:00 PM

Send Us a Message

We respond within 4 business hours — guaranteed.

What You Are Delegating
    The Result

    What You Are Delegating
      The Result