Seven entries in Essex have been named for defaulting on tax payments.
They have been named on the government's tax defaulters list which shows people who have deliberately not paid their tax.
These companies reportedly owe a combined sum of more than £1 million, with further significant penalties.
The list, made public on March 26, details offenders across Brentwood, Benfleet, Harlow, South Ockendon, Clacton, and Chelmsford.
The Brentwood Contracting Group Ltd, based at Jubilee House, 3 The Drive, Brentwood (CM13 3FR) owes the highest amount among them, with HMRC claiming a sum of £721,012.20 in back taxes and an additional penalty of £353,295.84.
A further name on the list is Benfleet-located labourer Charlie Stephen Wayman.
Mr. Wayman owes £98,801.73 in unpaid taxes and is subject to a fine of £66,691.15.
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Victor Motoca, a Harlow-based sub-contractor at 55 The Dashes (CM20 3RR), reportedly has a balance of £47,566 due and a related penalty of £28,539.56.
Vitalie Pavel of 6 Greenfields Close, Great Warley, Brentwood (CM13 3AU), owes £25,766.45 in taxes and is fined £18,036.49.
South Ockendon-based sub-contractor, Vasilica Balbaie of 22 Torino Way (RM15 5FX), has unpaid taxes of £35,968.98 and a penalty of £16,639.87.
Ppereira Services Ltd, previously based at 16 Heybridge Court, Connaught Gardens East, Clacton (CO15 6JE), provides care staff and has an outstanding tax bill of £35,675 with a penalty of £30,323.75.
Similarly, performing arts company Festival Holdings Ltd, formerly operating from Unit 4, Hoffmanns Way, Chelmsford (CM1 1GU), owes £30,157.02 in unpaid taxes and faces an additional penalty of £13,193.69.
Under its deliberate defaulters regime, HMRC can publish the name, address, business type, periods involved, tax owed and penalty for taxpayers found to have intentionally concealed income or under‑declared their liabilities.