Despite claiming it is outperforming the market, DSGi has put as many as 60 staff on notice of redundancy including a number of senior and middle management roles potentially impacted.
Industry sources have alleged DSGi was £1m off profit target for the second quarter, a point the reseller giant was unable to comment on as it plans to provide a trading update to the City next week.
A spokesman for DSGi conceded market conditions were tough but insisted the company was taking market share from rivals.
"I believe we are outperforming the market but need to be prudent and look after our costs, this is about us being astute and running a good business so we are well positioned when the market returns."
According to sources in the channel up to 60 staff have been put on a 90-day notification period but DSGi did not confirm the figure or which locations the redundancies are likely to come affect.
The headquarters for PC World Business, Equanet and Microwarehouse are in Bury, Surbiton and Borehamwood respectively.
It is believed that DSGi is also merging the public sector teams across the organisations into two groups - local and central Government and NHS and education.
The role comes from the sales, services, solutions, and business development departments as well as some back office functions.