Today’s Chambers Chatter stays at 4-5 Gray’s Inn Square, where Wendy Miller operates as an associate member. Miller represented Cummins and later Cepac against Lee Thompson, so TCAP has developed the unhealthy habit of reading the professional biographies of the people sharing her corridor. Today is not about Wendy. She can enjoy the brass plaque in peace. Today belongs to Jacqueline Perry KC, professional investigator, Donald Trump lawyer, Reform UK referee, and participant in that exquisite legal phenomenon where an investigation eventually acquires an investigation of the investigation.
Jacqueline Perry KC And The 4-5 Brochure
4-5 Gray’s Inn Square gives Jacqueline Perry KC the full mahogany treatment.
Called in 1975. Silk in 2006. Oxford. California Bar. Commercial work. International cases. Professional discipline. Investigations and resolutions. Employment. Business crime. The profile says professional clients instruct her for her “thoroughness, fearlessness and sound and sensitive approach”.
Excellent.
Because nothing improves a chambers biography quite like putting it beside the actual paperwork.
Perry has plainly had a long and substantial career. This is not TCAP pretending otherwise. The fun starts when the polished adjectives leave the website and encounter politics, Donald Trump, an unpaid legal bill, Rupert Lowe, Reform UK and another KC asking uncomfortable questions about how an investigation was conducted.
That is less a CV than a weekend minibar bill.
And unlike the minibar, somebody kept the receipts.
Reform UK Orders An Investigation
In early 2025, Reform UK had a personnel problem.
Two women who had worked in Rupert Lowe’s offices complained about bullying and unacceptable conduct. Reform commissioned Jacqueline Perry KC to investigate. Lowe, meanwhile, had fallen spectacularly out with Nigel Farage and publicly attacked the party leadership. Political relations had reached the familiar Westminster stage where everyone was still wearing a suit but the furniture had started moving.
Perry investigated.
Her report concluded there was “credible evidence” supporting the women’s complaints. She said their accounts of victimisation, constant criticism and discriminatory behaviour appeared capable of amounting to harassment. Perry also concluded that Lowe seemed to have failed or been unwilling to address their concerns and the alleged toxic conduct of male staff.
Lowe rejected the conclusions. He called the process biased and the allegations false.
So far, this is fairly conventional political bloodletting. Complaints arrive. Lawyers arrive. A report lands. Everyone announces that the report proves precisely what they believed before paying anyone to write it.
Then the fucking clock entered the case.
Reform Jumps The Gun
Perry had given Lowe’s legal team until Wednesday 26 March to respond.
Reform published the report on Tuesday.
That produced the sort of administrative moment TCAP cherishes because no metaphor can improve much on a professional investigator discovering that her client has released the investigation before her own deadline has expired.
Perry emailed Lowe’s lawyer.
According to The Independent, she said she had made the deadline clear to Reform and that the report had been released without her input. She described herself as surprised and disconcerted that “the gun had been jumped”.
Beautiful.
Not because Perry caused the early publication. Her complaint was precisely that she had not. The comedy is institutional. Reform commissioned an independent investigation, received the independent investigator’s work, and apparently became so excited about independence that it liberated the report from the investigator’s timetable.
Perry had produced a report about standards of workplace behaviour. Within hours, she was explaining that the organisation which commissioned it had ignored her publication timing.
There are Swiss watches with fewer moving parts.
More importantly, that was not the end of the procedural hangover.
Then Somebody Investigated The Investigation
Rupert Lowe’s side commissioned another senior barrister, Gemma White KC, to review the Perry investigation.
Now we are cooking with billable hours.
One KC investigates the politician. Another KC investigates the first KC’s investigation. Solicitors sit around the machinery. Political careers hang off the sides. Somewhere, presumably, Microsoft Word asks whether everyone would like to save a copy.
White’s review was commissioned on Lowe’s behalf, so its criticisms are not neutral judicial findings. That distinction matters.
The criticisms themselves, however, are very fucking real.
According to reporting on White’s review, she questioned whether Perry’s investigation had operated independently of Reform’s influence. The review said there had been no terms of reference set by the party. It also criticised the process by which witness statements were produced following lengthy telephone interviews with the complainants and highlighted the fact that Perry’s report reached Reform before Lowe’s response deadline had expired.
White reportedly said the sequence raised “real questions” about the extent to which the investigation had been conducted independently of party influence.
That is some exquisite professional geometry.
4-5 Gray’s Inn Square advertises Perry under Investigations & Resolutions.
Reform hired her to investigate.
Reform published the report too early, according to Perry herself.
Then Lowe’s side hired another KC to review the investigation, and that review questioned aspects of the investigation’s independence and procedure.
At this point the only unexplored option was appointing a third KC to investigate whether the second investigation of the first investigation had used the correct font.
Give the profession another fortnight.
The Terms Of Reference That Apparently Never Arrived
Terms of reference are not glamorous.
Nobody gets invited onto television because they drafted magnificent terms of reference. There are no black cars outside chambers waiting to collect the person who correctly numbered paragraph 4.2.
Unfortunately, they are quite useful when investigating people.
They define the job. Scope. Questions. Procedure. Boundaries. Evidence. Who decides what. Who receives what. What happens next.
White’s review reportedly said Reform had set none.
Again, that criticism came from a review commissioned for Lowe. It is not a court finding against Perry.
But this is Chambers Chatter, not Chambers Canonisation.
When a senior barrister is retained to conduct a politically explosive workplace investigation, her report gets published before a response deadline she says she set, and another senior barrister subsequently starts pulling at the procedural stitching, the story becomes fair game.
Especially when the first barrister’s chambers markets her for investigations.
The brochure invited the comparison.
TCAP merely RSVP’d.
Jacqueline Perry KC Meets Donald Trump
Now we leave Reform’s committee-room knife fight and cross into more expensive carpeting.
Donald Trump.
4-5’s own material confirms that Jacqueline Perry KC led junior counsel acting for President Trump in proceedings concerning legal advisers and politically sensitive claims. Separately, court reporting identifies Perry acting for Trump in the aftermath of his unsuccessful UK lawsuit against Orbis Business Intelligence, the consultancy founded by former MI6 officer Christopher Steele.
Trump had sued Orbis under data protection law over material in the Steele dossier. He denied the dossier’s salacious allegations and described them as false.
Mrs Justice Steyn threw out the lawsuit in February 2024.
Importantly, she did not decide whether the dossier allegations were true or false. The case failed on legal grounds, including limitation, and the judge described the claim as “bound to fail”.
Then came costs.
And costs are where English litigation removes the wig, loosens the collar and starts checking whether anybody brought a functioning debit card.
The President Of The Free World Has Other Priorities
Trump initially faced an order for £300,000 towards Orbis’s costs.
By January 2025, £290,000 remained outstanding and the matter was back before Costs Judge Jason Rowley.
Perry appeared for Trump.
Her explanation contained the sort of line legal journalists must dream about before bed. She told the court it was difficult to obtain instructions when the client was “president of the free world” and trying to turn everything upside down. She added that the matter was not high in his area of importance.
There is client care.
Then there is explaining to a High Court costs judge that the outstanding court order has apparently fallen somewhere below Greenland, tariffs and whatever else was on the Resolute desk that morning.
Perry also attacked the level of Orbis’s costs as eye-watering and outrageously high. Trump’s position included that he intended to pursue a professional negligence claim against former advisers over how the original lawsuit had been brought.
Judge Rowley was less enchanted by the diary problem.
He ordered payment of the outstanding £290,000 within 28 days. Otherwise, Trump’s lawyers would not be permitted to address the court at the later hearing determining the final costs.
The deadline came.
The money did not.
Then the courtroom door behaved exactly as advertised.
Trump’s Lawyers Lose Their Voice
In April 2025, Trump’s lawyers were “debarred from being heard” at the High Court costs hearing because the outstanding £290,000 had not been paid.
That phrase deserves good stationery.
Debarred from being heard.
For lawyers, that is the professional equivalent of arriving at the restaurant, discovering your card has declined, and being told you may admire the menu from the pavement.
The hearing went ahead.
Judge Rowley ultimately fixed Trump’s liability to Orbis at £626,058.98, with interest.
Again, none of that means Perry personally owed the money. She did not. Trump was the client. Nor does it establish misconduct by Perry. It establishes something funnier for our purposes: a senior 4-5 barrister represented one of the most famous litigants on Earth while a costs dispute deteriorated to the point that the legal team was prevented from participating in the hearing because the client had not complied with the payment order.
By September 2025, the problem had become still more physical. The Times reported that legal papers had been served at Trump’s Scottish golf properties as Orbis pursued more than £680,000 including interest.
That is quite a journey.
Data protection lawsuit.
Dismissal.
Costs order.
Non-payment.
Warning.
Debarment.
Sheriff officers at the golf course.
Most legal matters end with a PDF.
This one eventually required somebody to find the clubhouse.
Investigations, Resolutions And Other Optimistic Headings
Now return to the 4-5 profile.
Investigations & Resolutions.
It is difficult not to admire the optimism.
Perry was commissioned to investigate an explosive political workplace dispute. Her report made serious findings. Then Reform published it before the response deadline she had set, prompting Perry herself to complain about the timing. Afterward, a second KC commissioned by Lowe’s side questioned aspects of the procedure and whether party influence had compromised the investigation’s independence.
Meanwhile, another branch of Perry’s public case history involved Donald Trump, a failed High Court claim, six-figure costs, an unpaid order, lawyers barred from participating in a costs hearing and eventual enforcement activity at Scottish golf properties.
This is not an allegation of professional misconduct.
It is much more enjoyable than that.
It is professional biography meeting professional reality without somebody from marketing standing between them holding a ring light.
4-5 says fearlessness.
TCAP says fine.
Here are the files.
And Then There Is Wendy Miller
Which brings us back to why TCAP is wandering around this particular corridor in the first place.
Wendy Miller operates from 4-5 Gray’s Inn Square as an associate member. She also practises from St Philips. More importantly for TCAP, Miller represented Cummins against Lee Thompson and later appeared for Cepac against the same disabled litigant in a separate dispute.
That overlap is why Chambers Chatter started reading the nameplates.
Dennis O’Riordan gave us fantasy qualifications and disbarment.
Oliver White supplied client money, direct access trouble and the immortal claim about having the same freedoms as a solicitor.
Robert Griffiths KC brought a £3.6m mansion, damp and a High Court receipt.
Paul Cohen and Elisabeth Mason led us into the Sulu arbitration corridor.
Ramya Nagesh produced the baked potato prosecution, where the BSB pursued misconduct charges before a tribunal cleared her and left the regulator holding the embarrassment.
Now Jacqueline Perry KC arrives carrying two different files.
One says Reform UK.
The other says Donald Trump.
You could not arrange this corridor better if you charged admission.
The Investigator Leaves Fingerprints On The Folder
The most revealing professional stories are rarely the ones chambers chooses for the homepage.
Those get cleaned first.
Successful appeal. Major instruction. Prestigious appointment. International expertise. Client testimonial. Another photograph of somebody looking confidently past the camera as though justice is parked somewhere over their left shoulder.
The useful material lives elsewhere.
A missed deadline.
An angry email.
A review commissioned by the other side.
Questions about process.
An unpaid costs order.
A lawyer explaining that the President of the United States has more pressing things to think about.
A courtroom eventually proceeding without his legal team.
None of those facts proves Jacqueline Perry KC is a bad barrister.
They do something far more interesting.
They make the brochure human.
And once the brochure becomes human, it starts making mistakes, collecting contradictions, picking awkward clients, writing uncomfortable emails and appearing in stories nobody thought would sit together on the same Google results page.
That is Chambers Chatter.
No invented scandal required.
Just open the professional profile, pull up a chair and start reading what happened after the photographer went home.
4-5 Gray’s Inn Square can keep Investigations & Resolutions on the menu.
TCAP has investigated. Its gavel is down.
Consider this our resolution.
Lee Thompson – Founder, The Cummins Accountability Project
Sources
- Jacqueline Perry KC – 4-5 Gray’s Inn Square
- Investigation Into Rupert Lowe Finds He Contributed To ‘Toxic’ Office Culture
- Furious Row Erupts Over Harassment Report Into Ex-Reform MP Rupert Lowe
- KC Questions Reform UK’s ‘Influence’ On Rupert Lowe Investigation
- Trump Has Refused To Pay £290,000 In Legal Fees After Case Dismissed In UK, Court Told
- Court Ban For Trump Lawyers Fighting Legal Costs Over Spy Dossier
- Donald Trump Ordered To Pay £626,000 Legal Costs After Steele Dossier Lawsuit
- Trump Served With Legal Papers In £680,000 Row With Ex-MI6 Spy
- Adam Richardson – 4-5 Gray’s Inn Square
- Wendy Miller – 4-5 Gray’s Inn Square
- Cepac Ltd Update : Wendy Miller’s Other Case Versus Me