At the beginning of 2025, there were approximately 67,500 private sector (including non-profit) businesses in Buckinghamshire. Just over half of these businesses (approximately 37,100) had no employees and were not registered for VAT / PAYE. There were 30,400 private sector VAT / PAYE registered enterprises in Buckinghamshire in 2025.

The vast majority of VAT/PAYE enterprises in Buckinghamshire are micro in size (employing fewer than 10 people). Buckinghamshire is home to 100 large enterprises (with more than 250 employees). Whilst they only account for 0.3% of all VAT/PAYE registered enterprises in Buckinghamshire, they provide 47% of all employee jobs.

Micro, small and medium-sized firms provide more employee jobs in Buckinghamshire than the national (England) average. Around 20% of employee jobs in Buckinghamshire are in firms employing fewer than 10 people, compared with 15% nationally.

Just under a fifth of businesses in Buckinghamshire operate within the professional, scientific and technical sector (which includes law firms, accounting firms, and engineering companies), a higher proportion than nationally. Despite this, the sector produces less economic output for the local economy than the national average.

Buckinghamshire also has a higher proportion of firms within the information & communication sector than the national average. This sector includes computer programming and consultancy firms, and motion picture, video and TV companies. The economic output created by this sector in Buckinghamshire is similar to the national average.

Three sectors have experienced particularly high growth in both GVA and employment in Buckinghamshire over the last 10 years – construction; public administration & defence; and utilities. The latter two employ comparatively few people.

Three high productivity sectors (professional, scientific & technical, information & communication, and financial & insurance) have experienced negative growth in both GVA and employment over the period.

Further details can be found in the Buckinghamshire Economy 2026 report.