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HaysMac

London-based chartered accountancy and tax advisory firm known for sector-focused audit, tax and business advice.

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Highlights

#29 UK accountancy firm, 2025
Accountancy Age ranking; £67.5m UK income fee and 39 UK partners for the year ended 31 March 2025.
Over 650 employees, 2025
HaysMac reported headcount growth from 175 in 2001 to more than 650 in 2025.
Over 40 listed-company audit clients
Clients span the Main Market, AIM and Acquis.
Over 1,000 audit clients
The audit practice serves clients ranging from public interest entities to charities.
100% of externally reviewed audit files passed inspection
Reported by HaysMac for the past year.
25 years since the 2001 merger
January 2026 marked the anniversary of the Hays Allan and MacIntyre & Co merger.

About HaysMac

HaysMac traces its professional heritage to 1866 and was formed in its current lineage through the 1 January 2001 merger of Hays Allan and MacIntyre & Co. It is headquartered in London and has expanded to a second office in Cape Town, opened in January 2024.

The firm provides audit and assurance, tax, outsourcing, deal advisory, risk assurance and corporate finance services to businesses, listed companies, charities, social-purpose organisations, entrepreneurs and private clients. Its work is organised around sector expertise spanning areas such as financial services, fintech, property, hospitality, technology, media and social purpose.

HaysMac is particularly strong in audit: it acts for more than 40 listed companies and over 1,000 audit clients, and reports that all audit files reviewed by external regulators in the past year passed inspection. For students, it offers placement and graduate routes in audit, tax and outsourcing, with ACA training through the ICAEW.

Current openings

1 live · 2 total
Open
Rolling
Graduate Scheme, September 2026
Graduate · UK
Closed
21 Jan 26 closed

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