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about
About Us

Cloud Based &
Client Focused

A cloud-enabled outsourcing partner for US accounting firms

Nimbus Accounting Outsourcing Pvt Ltd is a specialized offshore partner for US accounting firms, delivering reliable, cloud-enabled bookkeeping and tax support. We operate as a seamless extension of your internal team, helping firms reduce workload pressure, maintain accuracy, and scale confidently. Our clients typically achieve a minimum of 50% reduction in operating costs while gaining dependable capacity, overnight turnaround, and consistent quality - without compromising security or compliance.

Core Values

Our guiding principles that shape how we work

Accuracy

We maintain strict quality controls to ensure every deliverable is precise, reliable, and audit-ready.

Integrity

We uphold confidentiality, ethical practices, and transparency in every client engagement and internal process.

Efficiency

We use technology, structured workflows, and skilled talent to deliver timely, consistent, and scalable results.

Partnership

We operate as an extension of our clients’ teams—focused on long-term relationships, accountability, and shared success.

Positive Work Culture

We foster respect, collaboration, and continuous professional growth to drive great work.

our team

Our Team

Sanjeev Kumar
Managing Director – Sanjeev Kumar
Enrolled Agent (EA) | MBA | US Tax & Outsourcing Operations

Sanjeev Kumar is an IRS Enrolled Agent with hands-on experience supporting US CPA and accounting firms across individual and business tax engagements. He has worked closely with US firms on tax preparation, bookkeeping, workpaper support, and year-end processes, ensuring accuracy and IRS-compliant workflows.

He also holds an MBA in Finance, which complements his practical experience in US taxation and enables him to develop structured, technology-driven outsourcing solutions. His combined expertise in finance and tax operations helps Nimbus maintain clear documentation, robust review processes, and scalable delivery models perfectly aligned with the expectations of US practitioners.

Sanjeev leads Nimbus with a strong focus on quality control, data security, software adaptability, and transparent communication. His experience managing offshore teams for US firms ensures consistent results and dependable long-term partnerships.

Mitali Sonigra
Executive Director – Mitali Sonigra
CA Inter | Bookkeeping & Client Success

Mitali Sonigra holds a Bachelor’s degree in Commerce and has completed CA Inter, giving her a strong foundation in accounting, reconciliations, and financial reporting. She has extensive hands-on experience supporting US-based CPA and accounting firms with end-to-end bookkeeping and operational workflows.

Her work spans daily bookkeeping, clean-up and catch-up projects, reconciliations, payroll coordination, vendor management, and client communication. She is known for her attention to detail, responsiveness, and ability to manage multiple workflows without compromising accuracy.

Mitali plays a key role in client onboarding, team training, workflow standardization, and quality assurance. Her leadership ensures Nimbus delivers a consistent, professional outsourcing experience built on clarity, reliability, and client care.

our services

Accounting Solutions For Your Business

Bookkeeping
Accurate daily transaction recording and financial record maintenance.
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Tax Preparation
Expert tax filing and compliance services for businesses and individuals.
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Payroll Services
Complete payroll processing and employee tax management.
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Data Security & Confidentiality

"Security is a priority—not an afterthought". Our operational framework is strictly aligned with the SOC 2 Trust Services Criteria, enforcing military-grade data protection, confidentiality, and controlled access. We understand the extreme sensitivity of US financial and tax data. At Nimbus, we follow secure, structured, and compliance-driven practices to safeguard taxpayer information (PII) at every stage of engagement.

  1. Secure Access Controls — Work is performed through secure remote systems, highly encrypted environments, and strict role-based access controls to limit data exposure.
  2. Confidentiality Agreements —We back our commitment with corporate-level NDAs, and every individual team member signs strict, enforceable confidentiality and data-handling agreements.
  3. Encrypted File Transfer — All documents are exchanged through approved secure channels, including encrypted email, secure portals, or your firm’s preferred systems.
  4. No Local Data Storage Policy — Client data never leaves your environment. No data is ever downloaded or stored on local hard drives or personal devices; all work remains within your secure cloud.
  5. Monitored & Structured Workflows — Active operations monitoring, restricted peripheral access, and strict internal review checkpoints ensure consistent compliance and protection of sensitive information.
free consultation
how it works

Simple 3-Step Process

Schedule a Call or Consultation
Understand your workflow, software, and needs.
Start a Free Trial
Send sample work (books or tax return), we deliver quality work quickly.
Approve & Scale
Happy with trial? Onboard a dedicated offshore team / staff based on your volume.