MKS Tax is a leader in cost effective end-to-end tax technology implementations. MKS Tax value proposition stems from agility, experience, and fluency in both tax and IT. The practice was launched as MK Strategies back in 2005 by former Vertex software engineers and consultants. Today, the new name highlights continued commitment to help clients manage indirect tax compliance worldwide.

MKS Tax implements the following Vertex applications:

  • Vertex Cloud
  • Vertex O Series - Sales Tax, Use Tax, Lease Tax, VAT 
  • Vertex Indirect Tax Returns - Global (VITR)

MKS Tax provides the following consulting services:

  • End-to-end compliance process review
  • Business requirements review
  • Technical requirements review
  • Project management
  • Solution design
  • Solution development
  • Taxability setup
  • Solution testing
  • User training
  • Go-live support
  • Tax system / ERP system reconciliation
  • Off hours and remote access support
  • Data intelligence and transformation
  • Upgrades from Vertex Q Series and L Series to Vertex Cloud or Vertex O Series

Rapid legislative changes, such as those stemming from the Wayfair ruling in the US, and the Making Tax Digital for VAT notice in the UK, require businesses to act now. For businesses using previous generation Vertex Q Series or L Series tax engines, MKS Tax provides a direct 2-week upgrade path to Vertex Cloud and Vertex O Series. No programmatic changes to the ERP systems are needed. With regard to VAT, MKS Tax supports the full spectrum of VAT compliance concepts, including reporting, partial input VAT recoverability, cash-based VAT accounting, currency conversion, consolidated invoicing, VAT withholding, and electronic invoice records submission.


MKS Tax connectors enable cost-effective tax compliance automation in all states and VAT regimes. MKS tax technology enables per-installation customizations of a common codebase to address customer-specific business and technical requirements. Supported ERPs include:

  • Microsoft Dynamics AX
  • Oracle JDE
  • Oracle JDE World
  • QAD
  • SAP
  • QuipWare
  • Ecometry
  • Lawson
  • Baan
  • ASW
  • Legacy and home-grown RPG billing systems.
  • Legacy and home-grown COBOL billing systems

MKS Tax Connectors Integrating Vertex Cloud With QAD, AX and JDE Now Available, read the press release for additional information.

Contact Information:

Richard Marko
National Contact

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