Costaff Services, LLC
Plan context: Costaff 401(K) Plan LLC
EIN 38-3546978 • Farmington Hills, MI • 40 filings • 11 plans
Current Snapshot
Latest Year
2024
2024 Participants
1,768
2024 Assets
$65,566,452
2024 Contributions
$9,237,989
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 2 | 1,768 | $65,566,452 | $9,237,989 | $5,225iApproximate average salary by contribution assumption: employee only about $130,628 at 4% or $87,085 at 6%; with 50% employer match about $87,085 at 4% or $58,057 at 6%; with 100% employer match about $65,314 at 4% or $43,543 at 6%. |
| Costaff 401(K) Plan LLC | - | 1,768 | $65,566,452 | $9,237,989 | $5,225iApproximate average salary by contribution assumption: employee only about $130,628 at 4% or $87,085 at 6%; with 50% employer match about $87,085 at 4% or $58,057 at 6%; with 100% employer match about $65,314 at 4% or $43,543 at 6%. |
| Co-Staff Services Health and Welfare Plan | - | 845 | - | - | - |
| 2023 | 2 | 1,422 | $49,995,314 | $7,830,123 | $5,506iApproximate average salary by contribution assumption: employee only about $137,660 at 4% or $91,774 at 6%; with 50% employer match about $91,774 at 4% or $61,182 at 6%; with 100% employer match about $68,830 at 4% or $45,887 at 6%. |
| Costaff 401(K) Plan LLC | - | 1,422 | $49,995,314 | $7,830,123 | $5,506iApproximate average salary by contribution assumption: employee only about $137,660 at 4% or $91,774 at 6%; with 50% employer match about $91,774 at 4% or $61,182 at 6%; with 100% employer match about $68,830 at 4% or $45,887 at 6%. |
| Co-Staff Services Health and Welfare Plan | - | 854 | - | - | - |
| 2022 | 2 | 1,309 | $40,752,092 | $9,736,456 | $7,438iApproximate average salary by contribution assumption: employee only about $185,952 at 4% or $123,968 at 6%; with 50% employer match about $123,968 at 4% or $82,645 at 6%; with 100% employer match about $92,976 at 4% or $61,984 at 6%. |
| Costaff 401(K) Plan LLC | - | 1,276 | $40,752,092 | $9,736,456 | $7,630iApproximate average salary by contribution assumption: employee only about $190,761 at 4% or $127,174 at 6%; with 50% employer match about $127,174 at 4% or $84,783 at 6%; with 100% employer match about $95,381 at 4% or $63,587 at 6%. |
| Co-Staff Services Health and Welfare Plan | - | 1,309 | - | - | - |
| 2021 | 2 | 1,332 | $49,945,568 | $7,815,082 | $5,867iApproximate average salary by contribution assumption: employee only about $146,679 at 4% or $97,786 at 6%; with 50% employer match about $97,786 at 4% or $65,191 at 6%; with 100% employer match about $73,340 at 4% or $48,893 at 6%. |
| Costaff 401(K) Plan LLC | - | 981 | $49,945,568 | $7,815,082 | $7,966iApproximate average salary by contribution assumption: employee only about $199,161 at 4% or $132,774 at 6%; with 50% employer match about $132,774 at 4% or $88,516 at 6%; with 100% employer match about $99,581 at 4% or $66,387 at 6%. |
| Co-Staff Services Health and Welfare Plan | - | 1,332 | - | - | - |
| 2020 | 2 | 1,126 | $33,547,916 | $5,789,532 | $5,142iApproximate average salary by contribution assumption: employee only about $128,542 at 4% or $85,695 at 6%; with 50% employer match about $85,695 at 4% or $57,130 at 6%; with 100% employer match about $64,271 at 4% or $42,847 at 6%. |
| Costaff 401(K) Plan LLC | - | 772 | $33,547,916 | $5,789,532 | $7,499iApproximate average salary by contribution assumption: employee only about $187,485 at 4% or $124,990 at 6%; with 50% employer match about $124,990 at 4% or $83,327 at 6%; with 100% employer match about $93,742 at 4% or $62,495 at 6%. |
| Co-Staff Services Health and Welfare Plan | - | 1,126 | - | - | - |
| 2019 | 2 | 951 | $25,775,667 | $4,903,267 | $5,156iApproximate average salary by contribution assumption: employee only about $128,898 at 4% or $85,932 at 6%; with 50% employer match about $85,932 at 4% or $57,288 at 6%; with 100% employer match about $64,449 at 4% or $42,966 at 6%. |
| Costaff 401(K) Plan LLC | - | 748 | $25,775,667 | $4,903,267 | $6,555iApproximate average salary by contribution assumption: employee only about $163,879 at 4% or $109,253 at 6%; with 50% employer match about $109,253 at 4% or $72,835 at 6%; with 100% employer match about $81,940 at 4% or $54,626 at 6%. |
| Co-Staff Services Health and Welfare Plan | - | 951 | - | - | - |
| 2018 | 2 | 874 | $19,224,614 | $4,121,002 | $4,715iApproximate average salary by contribution assumption: employee only about $117,878 at 4% or $78,585 at 6%; with 50% employer match about $78,585 at 4% or $52,390 at 6%; with 100% employer match about $58,939 at 4% or $39,293 at 6%. |
| Costaff 401(K) Plan LLC | - | 874 | $19,224,614 | $4,121,002 | $4,715iApproximate average salary by contribution assumption: employee only about $117,878 at 4% or $78,585 at 6%; with 50% employer match about $78,585 at 4% or $52,390 at 6%; with 100% employer match about $58,939 at 4% or $39,293 at 6%. |
| Co-Staff Services Health and Welfare Plan | - | 769 | - | - | - |
| 2017 | 2 | 780 | $13,038,687 | $2,358,519 | $3,024iApproximate average salary by contribution assumption: employee only about $75,594 at 4% or $50,396 at 6%; with 50% employer match about $50,396 at 4% or $33,597 at 6%; with 100% employer match about $37,797 at 4% or $25,198 at 6%. |
| Costaff 401(K) Plan LLC | - | 535 | $13,038,687 | $2,358,519 | $4,408iApproximate average salary by contribution assumption: employee only about $110,211 at 4% or $73,474 at 6%; with 50% employer match about $73,474 at 4% or $48,983 at 6%; with 100% employer match about $55,106 at 4% or $36,737 at 6%. |
| Co-Staff Services Health and Welfare Plan | - | 780 | - | - | - |
| 2016 | 2 | 1,436 | $13,608,232 | $2,124,851 | $1,480iApproximate average salary by contribution assumption: employee only about $36,993 at 4% or $24,662 at 6%; with 50% employer match about $24,662 at 4% or $16,441 at 6%; with 100% employer match about $18,496 at 4% or $12,331 at 6%. |
| Costaff 401(K) Plan LLC | - | 585 | $13,608,232 | $2,124,851 | $3,632iApproximate average salary by contribution assumption: employee only about $90,806 at 4% or $60,537 at 6%; with 50% employer match about $60,537 at 4% or $40,358 at 6%; with 100% employer match about $45,403 at 4% or $30,269 at 6%. |
| Co-Staff Services Health and Welfare Plan | - | 1,436 | - | - | - |
| 2015 | 2 | 1,077 | $8,953,683 | $1,549,234 | $1,438iApproximate average salary by contribution assumption: employee only about $35,962 at 4% or $23,975 at 6%; with 50% employer match about $23,975 at 4% or $15,983 at 6%; with 100% employer match about $17,981 at 4% or $11,987 at 6%. |
| Costaff 401(K) Plan LLC | - | 437 | $8,953,683 | $1,549,234 | $3,545iApproximate average salary by contribution assumption: employee only about $88,629 at 4% or $59,086 at 6%; with 50% employer match about $59,086 at 4% or $39,391 at 6%; with 100% employer match about $44,314 at 4% or $29,543 at 6%. |
| Co-Staff Services Health and Welfare Plan | - | 1,077 | - | - | - |
| 2014 | 1 | 399 | $8,230,233 | $1,442,916 | $3,616iApproximate average salary by contribution assumption: employee only about $90,408 at 4% or $60,272 at 6%; with 50% employer match about $60,272 at 4% or $40,181 at 6%; with 100% employer match about $45,204 at 4% or $30,136 at 6%. |
| Costaff 401(K) Plan LLC | - | 399 | $8,230,233 | $1,442,916 | $3,616iApproximate average salary by contribution assumption: employee only about $90,408 at 4% or $60,272 at 6%; with 50% employer match about $60,272 at 4% or $40,181 at 6%; with 100% employer match about $45,204 at 4% or $30,136 at 6%. |
| 2013 | 1 | 373 | $8,570,437 | $1,215,586 | $3,259iApproximate average salary by contribution assumption: employee only about $81,474 at 4% or $54,316 at 6%; with 50% employer match about $54,316 at 4% or $36,210 at 6%; with 100% employer match about $40,737 at 4% or $27,158 at 6%. |
| Costaff 401(K) Plan LLC | - | 373 | $8,570,437 | $1,215,586 | $3,259iApproximate average salary by contribution assumption: employee only about $81,474 at 4% or $54,316 at 6%; with 50% employer match about $54,316 at 4% or $36,210 at 6%; with 100% employer match about $40,737 at 4% or $27,158 at 6%. |
| 2012 | 1 | 522 | $10,056,989 | $1,042,920 | $1,998iApproximate average salary by contribution assumption: employee only about $49,948 at 4% or $33,299 at 6%; with 50% employer match about $33,299 at 4% or $22,199 at 6%; with 100% employer match about $24,974 at 4% or $16,649 at 6%. |
| Costaff 401(K) Plan LLC | - | 522 | $10,056,989 | $1,042,920 | $1,998iApproximate average salary by contribution assumption: employee only about $49,948 at 4% or $33,299 at 6%; with 50% employer match about $33,299 at 4% or $22,199 at 6%; with 100% employer match about $24,974 at 4% or $16,649 at 6%. |
| 2011 | 1 | 989 | $6,760,417 | $829,272 | $838iApproximate average salary by contribution assumption: employee only about $20,962 at 4% or $13,975 at 6%; with 50% employer match about $13,975 at 4% or $9,317 at 6%; with 100% employer match about $10,481 at 4% or $6,987 at 6%. |
| Costaff 401(K) Plan LLC | - | 989 | $6,760,417 | $829,272 | $838iApproximate average salary by contribution assumption: employee only about $20,962 at 4% or $13,975 at 6%; with 50% employer match about $13,975 at 4% or $9,317 at 6%; with 100% employer match about $10,481 at 4% or $6,987 at 6%. |
| 2010 | 2 | 570 | $2,953,996 | $362,744 | $636iApproximate average salary by contribution assumption: employee only about $15,910 at 4% or $10,607 at 6%; with 50% employer match about $10,607 at 4% or $7,071 at 6%; with 100% employer match about $7,955 at 4% or $5,303 at 6%. |
| Costaff 401(K) Plan LLC | - | 570 | $2,953,996 | $361,011 | $633iApproximate average salary by contribution assumption: employee only about $15,834 at 4% or $10,556 at 6%; with 50% employer match about $10,556 at 4% or $7,037 at 6%; with 100% employer match about $7,917 at 4% or $5,278 at 6%. |
| Costaff Services LLC 401(K) Plan | - | 0 | $0 | $1,733 | - |
| 2009 | 2 | 111 | $1,869,129 | $293,464 | $2,644iApproximate average salary by contribution assumption: employee only about $66,095 at 4% or $44,064 at 6%; with 50% employer match about $44,064 at 4% or $29,376 at 6%; with 100% employer match about $33,048 at 4% or $22,032 at 6%. |
| Costaff 401(K) Plan LLC | - | 111 | $1,657,765 | $289,917 | $2,612iApproximate average salary by contribution assumption: employee only about $65,297 at 4% or $43,531 at 6%; with 50% employer match about $43,531 at 4% or $29,021 at 6%; with 100% employer match about $32,648 at 4% or $21,766 at 6%. |
| Costaff Services LLC 401(K) Plan | - | 6 | $211,364 | $3,547 | $591iApproximate average salary by contribution assumption: employee only about $14,779 at 4% or $9,853 at 6%; with 50% employer match about $9,853 at 4% or $6,569 at 6%; with 100% employer match about $7,390 at 4% or $4,926 at 6%. |
| 2008 | 2 | 123 | $157,525 | $30,125 | $245iApproximate average salary by contribution assumption: employee only about $6,123 at 4% or $4,082 at 6%; with 50% employer match about $4,082 at 4% or $2,721 at 6%; with 100% employer match about $3,061 at 4% or $2,041 at 6%. |
| Costaff Services LLC 401(K) Plan | - | 4 | $157,525 | $30,125 | $7,531iApproximate average salary by contribution assumption: employee only about $188,281 at 4% or $125,521 at 6%; with 50% employer match about $125,521 at 4% or $83,681 at 6%; with 100% employer match about $94,141 at 4% or $62,760 at 6%. |
| Costaff 401(K) Plan LLC | - | 123 | - | - | - |
| 2007 | 1 | 6 | $0 | $0 | - |
| Costaff Services LLC 401(K) Plan | - | 6 | - | - | - |
| 2006 | 1 | 6 | $186,900 | $31,067 | $5,178iApproximate average salary by contribution assumption: employee only about $129,446 at 4% or $86,297 at 6%; with 50% employer match about $86,297 at 4% or $57,531 at 6%; with 100% employer match about $64,723 at 4% or $43,149 at 6%. |
| Costaff Services LLC 401(K) Plan | - | 6 | $186,900 | $31,067 | $5,178iApproximate average salary by contribution assumption: employee only about $129,446 at 4% or $86,297 at 6%; with 50% employer match about $86,297 at 4% or $57,531 at 6%; with 100% employer match about $64,723 at 4% or $43,149 at 6%. |
| 2005 | 1 | 9 | $300,026 | $48,556 | $5,395iApproximate average salary by contribution assumption: employee only about $134,878 at 4% or $89,919 at 6%; with 50% employer match about $89,919 at 4% or $59,946 at 6%; with 100% employer match about $67,439 at 4% or $44,959 at 6%. |
| Costaff Services LLC 401(K) Plan | - | 9 | $300,026 | $48,556 | $5,395iApproximate average salary by contribution assumption: employee only about $134,878 at 4% or $89,919 at 6%; with 50% employer match about $89,919 at 4% or $59,946 at 6%; with 100% employer match about $67,439 at 4% or $44,959 at 6%. |
| 2004 | 1 | 10 | $238,048 | $45,520 | $4,552iApproximate average salary by contribution assumption: employee only about $113,800 at 4% or $75,867 at 6%; with 50% employer match about $75,867 at 4% or $50,578 at 6%; with 100% employer match about $56,900 at 4% or $37,933 at 6%. |
| Costaff Services LLC 401(K) Plan | - | 10 | $238,048 | $45,520 | $4,552iApproximate average salary by contribution assumption: employee only about $113,800 at 4% or $75,867 at 6%; with 50% employer match about $75,867 at 4% or $50,578 at 6%; with 100% employer match about $56,900 at 4% or $37,933 at 6%. |
| 2003 | 2 | 139 | $178,946 | $50,756 | $365iApproximate average salary by contribution assumption: employee only about $9,129 at 4% or $6,086 at 6%; with 50% employer match about $6,086 at 4% or $4,057 at 6%; with 100% employer match about $4,564 at 4% or $3,043 at 6%. |
| Costaff Services LLC 401(K) Plan | - | 14 | $178,946 | $50,756 | $3,625iApproximate average salary by contribution assumption: employee only about $90,636 at 4% or $60,424 at 6%; with 50% employer match about $60,424 at 4% or $40,283 at 6%; with 100% employer match about $45,318 at 4% or $30,212 at 6%. |
| CO STAFF SERVICES LLC FLEXIBLE BENEFITS PLAN | - | 139 | - | - | - |
| 2002 | 2 | 139 | $114,398 | $50,328 | $362iApproximate average salary by contribution assumption: employee only about $9,052 at 4% or $6,035 at 6%; with 50% employer match about $6,035 at 4% or $4,023 at 6%; with 100% employer match about $4,526 at 4% or $3,017 at 6%. |
| Costaff Services LLC 401(K) Plan | - | 12 | $114,398 | $50,328 | $4,194iApproximate average salary by contribution assumption: employee only about $104,850 at 4% or $69,900 at 6%; with 50% employer match about $69,900 at 4% or $46,600 at 6%; with 100% employer match about $52,425 at 4% or $34,950 at 6%. |
| CO STAFF SERVICES LLC FLEXIBLE BENEFITS PLAN | - | 139 | - | - | - |
| 2001 | 2 | 223 | $0 | $0 | - |
| Costaff Services LLC 401(K) Plan | - | 12 | - | - | - |
| CO STAFF SERVICES LLC FLEXIBLE BENEFITS PLAN | - | 223 | - | - | - |