FinSyncBook...

At FinSyncBook, we provide comprehensive, end-to-end solutions that combine expert bookkeeping, accurate financial reporting, and innovative digital strategies to empower businesses of all sizes. From monthly full-cycle bookkeeping to year-end and customized financial reporting, we ensure your financial operations are seamless, transparent, and compliant.

Contact Info
Follow Us
Follow Us
Sheikh Adnan Mahmud
Sheikh Adnan Mahmud
Co-Founder, Managing Partner & Director of Tax, Advisory and Business Development
Sheikh A. Mahmud is a business owner, financial services professional, tax practitioner, and licensed real estate salesperson with extensive experience helping individuals, entrepreneurs, and small businesses navigate financial, operational, and growth-related challenges.
Since 2016, Sheikh has worked across bookkeeping, tax preparation, payroll support, business operations, and financial consulting while actively owning and managing businesses in multiple states. His hands-on experience as both an advisor and business owner allows him to understand the real-world challenges clients face and provide practical solutions that support long-term success.
As an IRS-authorized tax professional holding a valid PTIN, Sheikh prepares and electronically files individual and business tax returns and assists clients with quarterly tax filings, sales tax compliance, and multi-state tax obligations. He works with business owners to maintain compliance, improve financial organization, and make informed business decisions throughout the year.


Md. Ekramul Hasan
Md. Ekramul Hasan
Visionary Founder & Director of Accounting Services
Md. Ekramul Hasan is the Visionary Founder and Director of Accounting Services at FINSYNC. With more than 15 years of experience in accounting, bookkeeping, financial management, and business advisory services, he has dedicated his career to helping businesses build stronger financial foundations and achieve sustainable growth.
Holding an MBA in Finance, Ekramul combines extensive accounting expertise with strategic business insight. Throughout his career, he has worked with startups, entrepreneurs, professional service firms, retailers, healthcare providers, and growing businesses, helping them improve financial reporting, maintain compliance, optimize cash flow, and make informed business decisions.
As the visionary behind FINSYNC, Ekramul recognized that business owners needed more than bookkeeping; they needed a trusted financial partner. His vision led to the creation of a collaborative team of accounting, tax, payroll, medical billing, coding, insurance, and advisory professionals dedicated to providing comprehensive business support under one organization.

Sheikh Asif
Sheikh Asif
Co-Founder & Director of Bookkeeping & Advisory Services
Sheikh Asif is a bookkeeping and financial advisory specialist with extensive experience supporting small and medium-sized businesses. He works closely with business owners to simplify financial management, improve cash flow visibility, and create reliable systems that support sustainable growth.

His expertise includes full-cycle bookkeeping, financial reporting, budgeting, forecasting, and advisory services for businesses across retail, e-commerce, service, and professional industries. He is known for translating financial data into practical recommendations that help clients make better business decisions.


Mohammad Moniruzzaman
Mohammad Moniruzzaman
Director of Medical Billing, Coding & Insurance Services
Mohammad Moniruzzaman is a healthcare revenue cycle specialist with experience in medical billing, medical coding, insurance claim management, and provider reimbursement optimization. He works closely with physicians, medical practices, and healthcare organizations to improve collections, reduce claim denials, and streamline billing operations. Holding a Master’s degree in Health Administration and an academic background in Pharmacy, Mohammad combines healthcare knowledge with financial and operational expertise. His experience includes working directly with insurance companies on behalf of healthcare providers, negotiating claim resolutions, and improving reimbursement outcomes.

Md. Moniruzzaman
Md. Moniruzzaman
Director of Technology, Automation & Digital Solutions
Md. Moniruzzaman is the Director of Technology, Automation & Digital Solutions at FINSYNC, bringing extensive experience in software development, website design, cloud technologies, business automation, and digital transformation. He specializes in building technology-driven solutions that help businesses improve efficiency, streamline operations, and enhance customer experiences.

With a strong background in software architecture and full-stack development, Moniruzzaman has worked on a wide range of technology projects, including business websites, client portals, workflow automation systems, e-commerce integrations, and cloud-based business solutions. His expertise allows organizations to leverage modern technology while maintaining security, scalability, and operational efficiency.

At FINSYNC, Moniruzzaman leads the firm’s Technology & Digital Solutions Division, overseeing website development, software implementation, automation initiatives, system integrations, and technology strategy. He plays a key role in developing digital solutions that connect accounting, bookkeeping, tax, payroll, CRM, and business management platforms into seamless workflows.

Mahmudul Hasan
Mahmudul Hasan
Senior Bookkeeper
Mahmudul Hasan is a Senior Bookkeeper at FinSyncBook with over 8 years of comprehensive bookkeeping experience, including full‑cycle accounting, financial reporting, and complex reconciliations. He is a Certified QuickBooks ProAdvisor (Advanced) and a Xero Certified Advisor with specializations in e‑commerce, retail, and professional services. Mahmudul joined FinSyncBook as one of the early team members and has since been instrumental in building the company’s quality control processes. He has personally cleaned up and rebuilt the books for over 100 clients — from startups buried in backlog to established companies needing to prepare for audit. He is also a go‑to expert for inventory accounting, COGS calculation, and multi‑entity consolidation. Beyond his technical skills, Mahmudul is a mentor to junior bookkeepers, having trained over 10 team members who now lead their own client portfolios. Clients love his responsiveness, attention to detail, and ability to meet tight deadlines without sacrificing accuracy. He holds a degree in Accounting and regularly pursues continuing education in tax and accounting standards. In his spare time, he writes short guides on bookkeeping best practices for small business owners. His motto: “Great bookkeeping is invisible — but when it’s done right, everything else works.”

Let’s Build Your Financial Future Together.