Autographs of Mary Portas
Mary Margaret Portas OBE (née Newton; born 28 May 1960) is an English retail consultant and broadcaster who hosts retail- and business-related television shows. Portas was appointed by David Cameron, the British Prime Minister, to lead a review into the future of Britain's high streets.
Portas was the fourth child of five siblings, born into a Catholic and Protestant Irish family in a small end-of-terrace in Windsor Road in north Watford. She attended Holy Rood Catholic Junior School (in north Watford) and then St Joan of Arc, a Catholic grammar School in Rickmansworth.: 5 Her Fermanagh-born Catholic mother died of encephalitis when Portas was 16. At 18 Portas turned down a place she had won at the Royal Academy of Dramatic Art to look after her younger brother. Her father soon remarried but died of a heart attack two years later. He left his house to his wife, leaving Portas and her brother homeless, relying on the kindness of other people, and living with family friends.
Portas started her career in retail with a Saturday job in John Lewis. She then had a part-time, and later a full-time, job with Harrods where she was responsible for window displays for about three years,: 5 before joining Topshop as display manager. While in this job, she was spotted by Burton Group chairman Ralph Halpern.: 3
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Current items with a signature of Mary Portas
These are the most current items with a signature of Mary Portas that were listed on eBay and on other online stores - click here for more items.
| Picture | Item Title | Price | Store |
 | MARY PORTAS - I Shop, Therefore I Am - Signed First Edition- CG S32 | £13.24 |  |
 | Signed Mary Portas Shop Girl First Edition Hardback Autobiography Hardcover | £17.99 | |
Traded items with a signature of Mary Portas
The most expensive item with a signature of Mary Portas (SIGNED - I Shop, Therefore I Am By Mary Portas New 1st Edition Hardback) was sold in January 2026 for £52.93 while the cheapest item (MARY PORTAS signed book) found a new owner for £2.99 in August 2022. The month with the most items sold (3) was November 2025 with an average selling price of £20.00 for an autographed item of Mary Portas. Sold items reached their highest average selling price in January 2026 with £52.93 and the month that saw the lowest prices with £3.00 was January 2022. In average, an autographed item from Mary Portas is worth £9.98.
Most recently, these items with a signature of Mary Portas were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | I Shop, Therefore I Am by Mary Portas - Signed by Author (Hardback) | £8.39 |  |
 | MARY PORTAS * I SHOP, THEREFORE I AM * UK SIGNED HARDBACK FIRST EDITION * BN! | £49.95 | |
| MARY PORTAS - Shop Girl SIGNED FIRST EDITION book 2015 - CG N05 | £8.50 | |
| Mary Portas Shop Girl A Memoir Signed First Edition | £9.98 | |
| Mary Portas Shop Girl Signed First Edition | £8.50 | |
 | Mary Portas Shop Girl: A Memoir Signed First Edition Book | £8.83 | |
| Mary Portas Signed autobiography I Shop Therefore I Am hardback (TRN) | £13.49 | |
| MARY PORTAS “SHOP GIRL - A MEMOIR” (SIGNED FIRST EDITION) HB DJ GC | £9.98 | |
| Shop Girl A Memoir by Mary Portas (2015, Hardcover) Signed, 1st Edition (3553) | £8.55 | |
 | Shop Girl A Memoir by Mary Portas 2015 HB Signed 1st Edition 1st Print | £19.09 | |
| Shop Girl by Mary Portas (Hardcover, 2015) Signed 1st Edition | £17.23 | |
| SIGNED - I Shop, Therefore I Am By Mary Portas New 1st Edition Hardback | £52.93 | |
| SIGNED - I Shop, Therefore I Am By Mary Portas New 1st Edition HB FREE COASTER | £20.00 | |
| Signed Book - I Shop, Therefore I Am by Mary Portas First Edition 1st Print | £19.99 | |
| Signed Mary Portas Shop Girl Hardcover First Edition Memoir Business Book | £20.00 | |
