Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3588
Mikel Arteta (Arsenal) 2319
Marco Silva (Fulham) 1762
Eddie Howe (Newcastle United) 1632
Unai Emery (Aston Villa) 1274
Andoni Iraola (Bournemouth) 1044
Daniel Farke (Leeds United) 1029
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1762
Kieran McKenna (Ipswich Town) 1594
John Mousinho (Portsmouth) 1194
Nathan Jones (Charlton Athletic) 814
Chris Davies (Birmingham City) 691
Paul Heckingbottom (Preston North End) 616
Frank Lampard (Coventry City) 516
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1999
Dave Challinor (Stockport County) 1638
Richie Wellens (Leyton Orient) 1511
Johnnie Jackson (AFC Wimbledon) 1443
Grant McCann (Doncaster Rovers) 1082
Graham Alexander (Bradford City) 904
Michael Skubala (Lincoln City) 897
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6186
Andy Woodman (Bromley FC) 1856
Dean Brennan (Barnet) 1681
Paul Cook (Chesterfield) 1538
Lee Bell (Crewe Alexandra) 1271
Micky Mellon (Oldham Athletic) 928
David Artell (Grimsby Town) 883

  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)