Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3393
Mikel Arteta (Arsenal) 2124
Marco Silva (Fulham) 1567
Eddie Howe (Newcastle United) 1437
Unai Emery (Aston Villa) 1079
Andoni Iraola (Bournemouth) 849
Daniel Farke (Leeds United) 834
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1567
Kieran McKenna (Ipswich Town) 1399
John Mousinho (Portsmouth) 999
Nathan Jones (Charlton Athletic) 619
Chris Davies (Birmingham City) 496
Paul Heckingbottom (Preston North End) 421
Frank Lampard (Coventry City) 321
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1804
Dave Challinor (Stockport County) 1443
Richie Wellens (Leyton Orient) 1316
Johnnie Jackson (AFC Wimbledon) 1248
Gary Caldwell (Exeter City) 1087
Darren Ferguson (Peterborough United) 1015
Grant McCann (Doncaster Rovers) 887
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 5991
Andy Woodman (Bromley FC) 1661
Dean Brennan (Barnet) 1486
Paul Cook (Chesterfield) 1343
Lee Bell (Crewe Alexandra) 1076
Mat Sadler (Walsall) 910
Micky Mellon (Oldham Athletic) 733

  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)