Accelerate Engine
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About Accelerate Engine
Accelerate Engine – ACC Levy Review & Managed Service
Accelerate partners with accounting firms around New Zealand to uncover historical ACC levy overpayments and deliver full ACC administration support.
Using our specialist review team and boutique software, we analyse client ACC invoices dating back to 2002, identifying overpayment events caused by incorrect billing assumptions such as ceased self-employment, business structure changes, or part-time status errors.
Accelerate's software scans 23 years of ACC invoicing to accurately detect refund opportunities and tidy up historic ACC records—returning clients overpayments and reducing ongoing administrative burden.
With no cost to the firm, and if there is no refund, then no fee for the clients.
Accounting firms are expected to provide comprehensive ACC support for their clients. Accelerate makes this easy.
Our ACC Managed Service provides end-to-end ACC administration, invoice checks, cover comparisons, and ongoing support—ensuring clients receive the correct cover at the correct cost.
Helping Canterbury accounting firms deliver better ACC outcomes with confidence.
Services Provided
- Working closely with ACC Accelerate Engine reviews client historical ACC levy invoices from 2002 to discover overpayments. On average 30% of clients are owed refunds. Accelerate provides their ACC Managed Service that provides end-to-end support for firms and their clients.


