Save on Competent Cells for Cloning

Save 30% this summer on our range of Competent E. coli strains for cloning. 


Comp cells

NEB Competent Cells: built for effiiciency
Ensure successful transformations with NEB competent E. coli for cloning. Choose from several high efficiency competent cell strains in a variety of formats that deliver performance, convenience and value.

Advantages of NEB Competent Cells

  • High transformation efficiencies
  • Compatible with NEBuilder HiFi DNA Assembly and Gibson Assembly® reactions, as well as ligation reactions. No dilution required!
  • Strains also available for cloning toxic genes
  • All strains are free of animal products and are T1 phage resistant
  • Outgrowth medium and control plasmid are included
  • Choose from a variety of convenient formats, including single-use tubes
  • Bulk formats and custom packaging are available
  • Take advantage of value pricing and no dry ice charges!

Qualifying Products
The special offer price is displayed on the following product pages: 

NEB Cloning Competent E.coli Sampler
dam-/dcm- Competent E.coli
NEB Turbo Competent E.coli (High Efficiency)
NEB 5-alpha Competent E.coli (High Efficiency)
NEB 5-alpha Competent E.coli (Subcloning Efficiency)
NEB 5-alpha F Iq Competent E.coli (High Efficiency)
NEB 10-beta Competent E.coli (High Efficiency)
NEB 10-beta Electrocompetent E.coli
NEB Stable Competent E.coli (High Efficiency)


TERMS & CONDITIONS: Offer valid in the UK and Ireland only from 1/7/22 - 30/9/22. No cash or cash equivalent. No substitution. Offer valid on new orders only. Offer may not be applied to existing, pending or prior orders. Cannot be combined with any other promotions. No other discounts apply. Void if copied or transferred and where prohibited by law. Visit for a list of qualifying products and UK prices. For pricing information in Republic of Ireland and Northern Ireland please contact Brennan & Co, tel: +353 1 2952501, email: