Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3022
Thomas Frank (Brentford) 2185
Mikel Arteta (Arsenal) 1753
Marco Silva (Fulham) 1196
Eddie Howe (Newcastle United) 1066
Kieran McKenna (Ipswich Town) 1028
Erik ten Hag (Manchester United) 870
Longest current tenure in Championship
Manager Days
Mark Robins (Coventry City) 2774
Paul Warne (Derby County) 748
Michael Carrick (Middlesbrough) 716
Carlos Corberán (West Bromwich Albion) 715
Rob Edwards (Luton Town) 692
John Mousinho (Portsmouth) 628
Daniel Farke (Leeds United) 463
Longest current tenure in League One
Manager Days
Ian Evatt (Bolton Wanderers) 1561
Nigel Clough (Mansfield Town) 1433
Jon Brady (Northampton Town) 1337
Phil Parkinson (Wrexham) 1196
Dave Challinor (Stockport County) 1072
Richie Wellens (Leyton Orient) 945
Gary Caldwell (Exeter City) 716
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 5620
Andy Woodman (Bromley FC) 1290
Paul Cook (Chesterfield) 972
Johnnie Jackson (AFC Wimbledon) 877
Lee Bell (Crewe Alexandra) 705
Mat Sadler (Walsall) 539
Grant McCann (Doncaster Rovers) 516
  The longest managerial reign of all time in the English football league belongs to Fred Everiss, who was manager of West Bromwich Albion for over 45 years (from 1902 to 1948)