Chief enforcement Roisin Currie said the institution needed to "keep evolving alongside changing lawsuit expectations".
She said: "Greggs manufacturing and logistics web remains a cardinal spot of the business, and these proposals are intended to fortify our manufacturing network, amended ratio and guarantee we stay good placed for the aboriginal portion continuing to present the quality, worth and work our customers expect."
The steadfast employs 33,000 radical successful the UK, the bulk moving successful its stores.
A consultation with unit is expected to commencement soon and the institution said "no last decisions" had been made yet.
The shake-up is expected to outgo the steadfast astir £60m, including disruption costs and redundancy payments.
It said the plans would prevention it astir £20m crossed the 2028 and 2029 fiscal years.
The retail concern said its income grew by 7.7% successful the 3 months to September 26, compared with the aforesaid play a twelvemonth earlier.
It said this represented advancement successful the look of "challenging marketplace conditions", arsenic user finances continued to travel nether pressure.
The institution said affirmative trading and continued outgo power meant it expected a "modestly improved outcome" for 2026.
Greggs opened 95 caller shops and closed 38 successful the twelvemonth to date, taking its wide property to 2,796 shops.
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