RDH BUILDING SCIENCE INC: public contracts won without a rival in Canada: 41 uncontested awards; 79% of its awards; 9 without a competition; 32 single bid.
Assay record ASY-CA-1HJJTCQ098 · Cite as: Assay Systems, “RDH BUILDING SCIENCE INC: public contracts won without a rival in Canada”, https://assay-systems.com/register/ca/uncontested/s/rdh-building-science-inc/
RDH BUILDING SCIENCE INC won 41 of its 52 public contract awards in Canada without a rival from 2022-01-28 to 2026-04-20, worth $1.5M: 9 without a competition and 32 after a competition that drew a single bid. 4 buyers awarded it without a rival, the largest Natural Resources Canada with 30.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
Natural Resources Canada gave RDH BUILDING SCIENCE INC 31 awards: 4 without a competition, 26 after a competition with a single bid. First 2022-02-08, latest 2026-04-20.
Public Services and Procurement Canada gave RDH BUILDING SCIENCE INC 14 awards: 3 without a competition, 4 after a competition with a single bid. First 2022-01-28, latest 2026-02-10.
National Research Council Canada gave RDH BUILDING SCIENCE INC 4 awards: 2 without a competition, 0 after a competition with a single bid. First 2022-03-07, latest 2024-07-15.
Fisheries and Oceans Canada gave RDH BUILDING SCIENCE INC 2 awards: 0 without a competition, 2 after a competition with a single bid. First 2022-12-20, latest 2024-09-12.
| Date | Buyer | How | Value | Stated reason |
|---|---|---|---|---|
| 2026-04-20 | Natural Resources Canada C-2026-2027-Q1-00052 | Single bid OB | $39.4K | 00 |
| 2026-02-10 | Public Services and Procurement Canada C-2025-2026-Q4-01142 | Single bid TC | $76.9K | 00 |
| 2025-11-18 | Natural Resources Canada C-2025-2026-Q3-00330 | Single bid OB | $31.9K | 00 |
| 2025-10-14 | Public Services and Procurement Canada C-2025-2026-Q4-00341 | Single bid TC | $130K | 00 |
| 2025-10-07 | Natural Resources Canada C-2025-2026-Q3-00058 | Single bid OB | $16.0K | 00 |
| 2025-09-29 | Natural Resources Canada C-2025-2026-Q2-00331 | Single bid OB | $20.1K | 00 |
Every uncontested award in Canada · All countries · RDH BUILDING SCIENCE INC in the register
Source: Government of Canada proactive disclosure of contracts over $10,000 (open.canada.ca), Open Government Licence – Canada. Awards are matched to their buyer and supplier as published. Updated 17 October 2026.