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SPECIFICTION
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Tax Series vs Tax1099

Tax Series

taxtechnologies.com

Tax1099

tax1099.com

Side by side

FigureTax SeriesTax1099
Price from—$20.75/mo
Free plan—Yes
Free trialYes—
Open source——
WebYesYes
iOS—Yes
Android—Yes
APIYesYes
Plans published15
Spec score · Tax Compliance Software8.0 (#25)9.0 (#5)
Founded20002010
HeadquartersHaworth, New Jersey, United StatesFayetteville, Arkansas, United States
IntegrationsTax Series Web Services can transfer data bi-directionally between Tax Series and client systems, validate data, and trigger calculations.Tax1099 advertises more than 12 no-code connections, including QuickBooks, ZohoBooks, Oracle NetSuite, Excel and Xero.
SecurityThe company says it obtains annual SOC 1 and SOC 2 reports from a third party and has in-house security staff.The site says its protections include annual SSAE-21 Type II audits, encryption, 256-bit security standards, TIN masking, and authentication procedures.
SupportEach client is assigned a dedicated support representative reachable by phone or email, and the company describes its support as proactive.Live chat support is listed Monday through Friday from 8:30 AM to 6:00 PM Central Time, with 24/7 support available during tax season.

Plans

Tax Series

  • Tax SeriesPriced on request

Tax Series pricing →

Tax1099

  • EssentialFree
  • Teams$249 a year
  • Scale$349 a year
  • Form eFiling$2.99, paid once
  • IRS eFile volume pricing$2.99, paid once

Tax1099 pricing →

In their own words

Tax Series

Tax Series is web-native corporate tax software for corporate income tax processes, with shared data used across tax work. Its modules cover worldwide provision reporting under ASC 740, corporate tax compliance, and BEPS reporting. Provision supports calculations under U.S. GAAP or IFRS. Compliance automates corporate tax calculations and population of forms including 5471, 8865, and 8858; BEPS supports Country-by-Country reporting and master and local files. Data Collector assigns packages to preparers, reviewers, and approvers and provides real-time project monitoring. Web Services supports two-way data transfer with client systems, data validation, and calculation triggers. A single database also supports planning, audit support, legal entity maintenance, tax calendar, and document management. The vendor describes the product as well suited to medium and large multinational corporate clients, and it supports U.S. corporate taxpayers and multinational corporations. Pricing is on request. Prospective clients can use it for a full tax cycle at no cost through a proof of concept, typically a 2–10 week process. After subscription termination, clients receive three months of read-only access to retrieve data.

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Tax1099

Tax1099 is an IRS-authorized e-filing and compliance platform for informational returns and related compliance data, available on the web and through an API. Listed forms include 1099, W-2, payroll, ACA, 1098, 1042, tax-exempt, and other forms. Filing supports the IRS, SSA, and states participating in the Combined Federal State Filing program. The platform lists corrected or void forms, scheduled filing, rejected-form resubmission, recipient copy downloads, reports, and AI-assisted e-filing. It offers two-way 1099 data sync with QuickBooks Online, Xero, and BILL, plus import options for QuickBooks Desktop and other services. Security measures listed include encryption, TIN masking, authentication procedures, and annual SSAE-21 Type II audits. The Essential plan is free and charges per form filed. Form e-filing is listed at $2.99, paid once for the first 20 forms, then tiered rates: $2.30, paid once for forms 21–150, $1.31, paid once for 151–500, and $0.68, paid once for 501–1,000; contact for 1,000+. Teams costs $249 a year and Scale costs $349 a year.

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