Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3499
Mikel Arteta (Arsenal) 2230
Marco Silva (Fulham) 1673
Eddie Howe (Newcastle United) 1543
Unai Emery (Aston Villa) 1185
Andoni Iraola (Bournemouth) 955
Daniel Farke (Leeds United) 940
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1673
Kieran McKenna (Ipswich Town) 1505
John Mousinho (Portsmouth) 1105
Nathan Jones (Charlton Athletic) 725
Chris Davies (Birmingham City) 602
Paul Heckingbottom (Preston North End) 527
Frank Lampard (Coventry City) 427
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1910
Dave Challinor (Stockport County) 1549
Richie Wellens (Leyton Orient) 1422
Johnnie Jackson (AFC Wimbledon) 1354
Gary Caldwell (Exeter City) 1193
Grant McCann (Doncaster Rovers) 993
Graham Alexander (Bradford City) 815
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6097
Andy Woodman (Bromley FC) 1767
Dean Brennan (Barnet) 1592
Paul Cook (Chesterfield) 1449
Lee Bell (Crewe Alexandra) 1182
Mat Sadler (Walsall) 1016
Micky Mellon (Oldham Athletic) 839

  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)