Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3363
Mikel Arteta (Arsenal) 2094
Marco Silva (Fulham) 1537
Eddie Howe (Newcastle United) 1407
Unai Emery (Aston Villa) 1049
Andoni Iraola (Bournemouth) 819
Daniel Farke (Leeds United) 804
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1537
Kieran McKenna (Ipswich Town) 1369
John Mousinho (Portsmouth) 969
Nathan Jones (Charlton Athletic) 589
Chris Davies (Birmingham City) 466
Paul Heckingbottom (Preston North End) 391
Frank Lampard (Coventry City) 291
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1774
Dave Challinor (Stockport County) 1413
Richie Wellens (Leyton Orient) 1286
Johnnie Jackson (AFC Wimbledon) 1218
Gary Caldwell (Exeter City) 1057
Darren Ferguson (Peterborough United) 985
Grant McCann (Doncaster Rovers) 857
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 5961
Andy Woodman (Bromley FC) 1631
Dean Brennan (Barnet) 1456
Paul Cook (Chesterfield) 1313
Lee Bell (Crewe Alexandra) 1046
Mat Sadler (Walsall) 880
Micky Mellon (Oldham Athletic) 703

  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)