Ontario · Registered charity
BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND
BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND (Ontario) receives grants from 35 organizations whose Canada Revenue Agency filings report C$1,864,155 to it, the largest being UNITED WAY OF DURHAM REGION (C$826,650). 13 of them have funded it in more than one year.
- Revenue FY2024
- C$891k
- Funders on record
- 35
- Grants received
- C$1.9M
- Net assets
- C$139k
What Big Brothers Big Sisters of South Durham and Northumberland does
Ongoing programs
Programs - big brothers and big sisters traditional match mentoring couples for kids and in school mentoring services:- provides mentoring services to children and youth between 6-14 years of age - provides mentoring services to children and youth between 6-14 years of age - conducts background checks and screening of al volunteers - conducts child and family assessments - educates children parents and volunteers on child safety - monitors child/volunteer matches on-going - recruits positive adult mentors - provides groups activities for 'bigs' (volunteers) and 'littles' (children)
As stated on its FY2024 T3010.
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2019 to 2020, from C$44k to C$210k (+374%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Government-grant reliance: 2017 39% · 2018 33% · 2019 22% · 2020 39% · 2021 49% · 2022 29% · 2023 29% · 2024 26%. Grants only. Government contracts and fees sit inside program revenue.
47% of BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND’s revenue is contributions — more donation-reliant than the typical peer (21% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 3 of the last 8 reported years ran a deficit.
reserve
Leadership and staff
The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.
Who funds it, year by year
2017 → 2023: the base narrowed from 12 funders to 8 funders, grant income rose C$152k → C$209k.
From the CRA filings of BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND’s funders (the co-funder graph). Top 30 of 35 funders by total. Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024 is still being filed and is shown unshaded; it does not move any figure on this page.
How concentrated its funding is
BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND leans on a few funders — its largest provides 44% of grant income and the top three 79%; half comes from just 2 funders.
the vertical line marks half of all grant income — 2 funders to its left
100% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND.
Largest funder’s share by year: 2017 42% · 2018 48% · 2019 51% · 2020 42% · 2021 56% · 2022 51% · 2023 48% — growing more concentrated.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024 is still being filed and is shown unshaded; it does not move any figure on this page.
How long its funders stay
41% of BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND's funders are still giving 3 years after their first grant; 37% give in more than one year at all.
Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.
Where its funders are
95% of BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND's grant income comes from Ontario funders.
In-province vs out-of-province, by year
Funder regions come from each funder’s own filing. C$97k arriving through sponsors registered in 2 regions is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024 is still being filed and is shown unshaded; it does not move any figure on this page.
Against its field
BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND has grown faster than half of the 4,360 organizations relieving poverty nonprofits its size.
this organization peer median middle 50% of peers· 4,360 organizations relieving poverty nonprofits $100k–$1M, FY2024
Government revenue BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND reports
Federal, provincial and municipal funding on the organization’s own T3010 return.
- 26% of FY2024 revenue
- As filed, not traced to an award
Organizations like BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND
Organizations whose mission and program text most resemble this one, by semantic similarity over every charity on the CRA register — the closest peers, and often the clearest route to shared or prospective funders.
In Ontario
Nationally
Read directly from this organization’s own T3010 return, as neutral context.
Where the money goes
94% of spending goes to programs.
Governance
Questions and answers
- Who funds BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND?
- BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND (Ontario) receives grants from 35 organizations whose Canada Revenue Agency filings report C$1,864,155 to it, the largest being UNITED WAY OF DURHAM REGION (C$826,650). 13 of them have funded it in more than one year.
- How many funders does BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND have?
- Canada Revenue Agency filings report 35 organizations giving C$1,864,155 in grants to BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND, 13 of which have funded it in more than one year.
- Who is the largest funder of BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND?
- UNITED WAY OF DURHAM REGION is the largest funder on record, with C$826,650 in grants. The full list of funders is on this page.
- How can an organization like BIG BROTHERS BIG SISTERS OF SOUTH DURHAM AND NORTHUMBERLAND find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Ontario.
Play a game about who funds Big Brothers Big Sisters of South Durham and Northumberland →
These figures are read directly from the CRA's published T3010 data: this organization’s own return for FY2024 (financials across 2017–2024), and the filings of 35 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · View the T3010 on the CRA register