TAX SERVICES

Tax is complicated. Your solution shouldn't be.

Varsa automates the heavy lifting, connects your systems, and finds the dollars you’re missing. Transform your tax function from a liability into your newest competitive advantage with expert implementation and support included.
  • Faster delivery with fewer escalations
  • Accurate, audit-ready compliance across 12,000+ jurisdictions
  • Lower run costs and fewer “hero fixes”

Where we help

Tax Engine Implementations

Tax Engine Platforms: Thomson Reuters ONESOURCE (Sabrix), Vertex

ERPs/Apps: SAP ECC/S4H, Coupa, Oracle, NetSuite, e‑commerce, BRIM, cloud apps, like, Tradeshift, deltek costpoint, vantagepoint, maconomy and many others.

Outcome: Smooth go-live, stable day‑2, no integration drama.

” We make tax engine integrations less taxing on your resources. Seriously, we’ll handle the heavy lifting while you focus on business.

TaxAPI — the universal connector

Modern REST/JSON middleware that bridges your source apps to ONESOURCE or Vertex.

Secure auth without ripping up your app

Certified integration for Deltek Costpoint

Ready patterns for Deltek Maconomy, Ivalua, Tradeshift, and more

” Think of us as the universal adapter for your tax systems. No more “doesn’t play well with others issues.

Refund Recovery (no engine required)

We run historical transactions to identify overpayments.

Risk‑free evaluation

Clear estimate of recoverable dollars

We work with your accounting firm or our partner firms, to execute the claim

” We’re like detectives for your overpaid taxes. Our magnifying glasses are out and ready to find your money.

Expert Support, on your terms

Keep your engine healthy without rigid contracts.

À la carte troubleshooting and enhancements

Rules, transeditors, tax assist, SAP GlobalNext, RFCs, Vertex Accelerator+

Practical SLAs that match your volume

” We don’t ghost you after implementation. Consider us your tax technology life partners.

All tax services provided by Varsa Solutions are delivered by 8020 Advisory LLC

How we work

Listen. Map. Prove.

  1. Discovery — current state, bottlenecks, and target outcomes
  2. Blueprint — integration map, config approach, testing plan
  3. Pilot — prove it on a real flow before scaling
  4. Scale — templates, automations, and handoff that sticks

Proof

  • S/4HANA + ONESOURCE rollout: 30% faster go‑live using Varsa accelerators.
  • Coupa + ONESOURCE augmentation: Zero defects in UAT with certified SMEs.
  • Hybrid delivery: Up to 40% cost reduction vs onshore‑only models.

Toolkit that speeds you up

VarsaMap

AI‑assisted product mapping. Your team reviews and approves. Weeks shrink to days.

” Because manually mapping products is about as fun as watching paint dry.

VarsaCheck

Run thousands of test cases in one pass. Pass/fail with exact deltas.

” Testing tax scenarios shouldn’t require a PhD in patience. We fixed that.

VarsaSAP

Ready‑to‑use guides and utilities for S/4HANA tax. From codes to IDOCs, we’ve got patterns.

” SAP tax issues? We speak that language fluently – no translation needed.

TaxAPI

Secure, modern connector that keeps integrations light and maintainable.

What makes Varsa different

Outcome first. We anchor on time to value, not billable hours.
Senior hands. Certified configurators who have seen the edge cases.
No handcuffs. Transparent scope, flexible support, clean handoffs.

FAQs

Yes. Onshore leadership with certified offshore SMEs. You get speed and savings.

Yes. We begin with a pilot integration or focused refund review.

No. taxAPI keeps changes minimal and reversible.

Let’s start with a 30‑minute working session. Bring one use case. We’ll outline the map, risks, and ROI.

Varsa Solutions operates as the specialized tax technology and services brand of 8020 Advisory LLC, leveraging their deep expertise and operational excellence to deliver our outcome-first solutions.  
 

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