Max Clifford has been told he must serve at least half the eight-year sentence handed down at Southwark Crown Court in prison.
Judge Anthony Leonard told Clifford he had shown a "contemptuous attitude" and "quite extraordinary behaviour" while showing "no remorse" for his crimes.
The judge said: "These offences may have taken place a long time ago, when inappropriate and trivial sexual behaviour was more likely to be tolerated, but your offending was not trivial, but of a very serious nature."
Celebrity publicist Max Clifford has been sentenced to eight years in prison for a string of indecent assaults against young women.
The 71-year-old was found guilty by a jury at Southwark Crown Court of eight historic counts of indecent assault on Monday.
Max Clifford will not face a re-trial in the one count on which the jury in his indecent assaults trial was unable to reach a verdict.
As proceedings began in his sentencing, prosecutor Rosina Cottage QC confirmed that no re-trial will be sought.
While being found guilty of eight counts of indecent assault on Monday, Clifford was also cleared of another two counts of the same offence at Southwark Crown Court.
Celebrity publicist Max Clifford said he would "make the best of it" before entering court to be sentenced for indecent assaults on young women, with him likely to face a jail term.
Asked how he was feeling ahead of the sentencing, the 71-year-old said: "(It's) not the best day of my life."
He added: "I just have to make the best of what the court gives me."
"It is the same as I have felt since it started 17 months ago, it is like living under a dark cloud. It is the same for my family ... for my daughter and everyone close to me."
PR specialist Max Clifford has said "I stand by everything I have said in the last 17 months" as he arrived at Southwark Crown Court to be sentenced for eight counts of indecent assault.
The 71-year-old was found guilty on Monday by a jury at the court.
PR guru Max Clifford has been found guilty of one count of indecent assault by a jury at Southwark Crown Court.
He has been cleared of one count of indecent assault by a jury at Southwark Crown Court.
Max Clifford is due to face 11 charges of indecent assault at the Old Bailey today. The alleged offences took place between 1966 and 1985. He was arrested as part of the Met Police's Operation Yewtree. He denies all the charges.
A spokesperson for the publicist said he did not have to attend the hearing in person.
Max Clifford has told reporters that he is very grateful for the "tremendous support" that he has received from his clients and friends since allegations that he allegedly assaulted several women became public.
Speaking outside his house Mr Clifford said he was upset that women could make allegations 40 years after the alleged event.
The 70-year-old faces eleven historic counts of indecently assaulting against teenage girls.
Sad to hear about More! magazine, best of luck to the team with everything in the future, from all at MCA.
Publicist Max Clifford has been re-bailed following his arrest by Jimmy Savile detectives.
Clifford, who was arrested on suspicion of sexual offences on December 6, has been re-bailed to return on a date in February, pending further inquiries.