Cryptocurrency tax software for traders and accountants to calculate capital gains and prepare filings

About Nextens eXcellerate
Nextens eXcellerate is an add-on module for the Nextens income tax return package in the Netherlands. Nextens belongs to RELX. Its site says it moved its return software to the cloud in 2014 and handled roughly half of Dutch income tax returns.
Main features
- Income tax returns: the base package includes checks, calculations and warnings for private clients.
- Provisional returns and deferrals: extra options unlocked by the module.
- Advice signals: flags points to raise with clients, with supporting documents and tools on the same screen.
- Process registration: records the steps taken per client.
- Client portal: clients can approve returns through the portal.
- Knowledge link: ties return software directly to the Nextens knowledge base.
Who it serves
Tax and financial professionals preparing returns for private clients.
Key facts
- Parent group: RELX.
- Certification: ISO 27001 for data security.
- Based in: the Netherlands.
Profile written by TrustList from the business's own published information, Oct 2026.
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Updated 8/11/2026
Rankings
As of 2026-10-25. Organic ranks only; sponsored placements are never ranks.
What the business tells TrustList
- Security certifications
- ISO 27001 evidence sent
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