About usAscen Tax USA is a tax-filing platform developed and owned by Ascendum Corporate Advisory LLC, based in Kansas City. Before you share a single document, here is who we are, what we do, and how we protect your information.
Ascen Tax USA was built on a straightforward principle: taxpayers deserve a filing experience that is accurate, transparent, and respectful of their time. Nirav Shah brought deep expertise in global tax and audit; Mehul Shah brought decades of experience in financial systems and technology. Together, they developed a platform that combines professional judgement with modern infrastructure.
Today, clients upload documents securely from any device, our systems extract and organize the relevant data, and a licensed professional reviews every figure before a draft is presented. The technology streamlines the process; the accountability remains human.
We prepare, review, and electronically file US federal and state tax returns. Our practice is focused exclusively on tax compliance and advisory — no bundled bookkeeping packages, no insurance products, no refund-based financing.
Personal federal and state income tax returns for wage earners, independent contractors, joint filers, dependents, itemized deductions, Schedule C income, and multi-state compensation.
Corporate and pass-through entity returns: Forms 1120, 1120-S, and 1065, with precise K-1 preparation and distribution to shareholders and partners.
International tax planning for globally mobile individuals and businesses, including foreign income, tax credits, treaty benefits, and residency determinations.
Compliance beyond the filing season: extensions, amended returns, IRS notice responses, transcript review, and quarterly estimated tax planning.
Nirav contributes more than 25 years of global tax, audit, and advisory experience. Mehul contributes more than 25 years of technology and financial systems architecture. That pairing is uncommon in a practice of our size, and it is precisely what complex, modern tax work requires.
We advise, not persuade. Our responsibility is to explain what the law permits, present the result clearly, and let the client decide. Every return is explained before it is signed, priced before it is prepared, and reviewed by a CPA before it is filed.
We serve a diverse client base, from individual wage earners to multi-entity businesses.
W-2 employees, first-time filers, and families who value a reviewed draft and a clear explanation before signing.
Closely held S corporations, C corporations, and partnerships requiring reconciled books, accurate K-1s, and filings that agree with their records.
Individuals with foreign income, accounts, or assets who need US returns that withstand scrutiny across jurisdictions.
Retail and service locations offering secure QR-based intake, allowing clients to upload documents directly from their mobile devices.
You are entrusting us with sensitive financial information. These are the individuals accountable for how it is handled.
MBA, CPA, CISA (ISACA)
Co-founder — Global tax practice and assurance
Nirav brings more than 25 years of experience in global tax, public accounting, corporate finance, and information systems audit. As a CPA, he oversees the technical accuracy of every filing position. As a CISA, he establishes the access controls, review workflows, and data safeguards that govern how taxpayer information is handled within the firm.
M.Tech
Co-founder — Technology and client operations
Mehul brings more than 25 years of experience in technology and financial systems architecture. He designed the document extraction pipeline, encrypted storage layer, and client portal, and oversees client operations — ensuring the team that answers your questions is directly connected to the platform that holds your file.
Ascen Tax USA is a tax-filing platform developed and owned by Ascendum Corporate Advisory LLC. It is one of several independent products in our portfolio. AscenPay, AscenAI, and AscenMark are separate, standalone applications — each with its own website, sign-in, subscription, and data — built by the same team and available on their own, whether or not you file with Ascen Tax USA.
Payroll — independent product
Multi-company, multi-state payroll. AscenPay runs payroll for accountants and business owners managing dozens of companies and their store locations across MN, IA, WI, MO, KS, OK, IL and TX — with print-perfect stubs and employee, store, and cluster-level portals.
AI accounting — independent product
The AI accounting product: cloud accounting that codes your bank feed for you. AscenAI connects a business's bank and card accounts, categorizes every transaction into a real double-entry ledger, and produces an income statement and balance sheet the same minute — no spreadsheets and no month-end scramble.
Global brand hub — independent product
The global brand hub for trademarks. AscenMark lets founders and businesses search, apply for, and manage trademark registrations across countries and regions from one place — instead of navigating each national trademark office separately.
Founded as a client-focused tax practice in Kansas City, serving individuals, small businesses, and referrals through disciplined work and personal accountability.
We replaced manual document handling with a secure, encrypted portal: clients upload documents from any device, structured data is extracted for review, and drafts are delivered for approval.
A comprehensive filing platform supporting federal Forms 1040, 1120, 1120-S, and 1065, with encrypted storage, e-file capability through an authorized provider, and year-round client support.
Expanded cross-border coverage, deeper state-level guidance, and continued alignment with IRS Publication 4557 security and privacy standards.
Contact us by email or phone to speak with a member of our team before you begin.