ContractTrail

Government vendor · Burnaby, British Columbia

Rdh Building Science Inc

Contracts with the federal government, May 2014 to Apr 2026. Based in Burnaby, British Columbia, going by its postal code.

Federal contracts
$6M
90 contracts
Buyers
5
departments and agencies
Non-competitive
18%
of 87 contracts that say how they were awarded
First and latest
2014–2026

Federal contracts over $10,000, contracts dated Jan 2004 to Sep 2026, each counted once at its latest reported value. Source: Treasury Board proactive publication of contracts, published October 13, 2026.

See this vendor’s records on the government’s contract search

Who it sells to

Department or agencyContractsTotal
Public Services and Procurement Canada21$2.8M
Natural Resources Canada48$2.7M
National Research Council Canada7$243K
Fisheries and Oceans Canada13$231K
Parks Canada1$20K

What it sells

By the Treasury Board object code each contract was filed under.

CategoryContractsTotal
Scientific services40$2.4M
Other professional services not elsewhere specified11$1.5M
Engineering services not elsewhere specified10$544K
Engineering consultants-Construction9$438K
Engineering consultants-Other6$433K
Architectural services2$199K
Suspense account (debit)-Other government departments2$125K
Research contracts1$90K
Management consulting1$75K
Purchase of training packages and courses1$73K
Other buildings2$28K
Communications research services1$25K
Scientific consultants1$25K
Other Business services not Elsewhere Specified1$16K

Largest contracts

DateBuyerValue
May 2014Natural Resources Canada$1,104,505
Apr 2022Public Services and Procurement Canada$492,426
Oct 2023Public Services and Procurement Canada$270,486
May 2018Public Services and Procurement Canada$251,985
Feb 2018Public Services and Procurement Canada$203,910
Oct 2023Public Services and Procurement Canada$178,892
Feb 2023Public Services and Procurement Canada$163,859
May 2017Public Services and Procurement Canada$155,389
Oct 2025Public Services and Procurement Canada$129,950
Jan 2023Public Services and Procurement Canada$124,856

By year

YearContractsTotal
20141$1.1M
20163$48K
20172$258K
201810$748K
20197$182K
20207$139K
20218$199K
202212$985K
202314$1.1M
202418$814K
20256$323K
20262$116K

Federal contracts

Newest first. Each at its latest reported value, amendments included.

DateBuyerValue
Apr 2026Natural Resources Canada$39,410
Feb 2026Public Services and Procurement Canada$76,942
Nov 2025Natural Resources Canada$31,904
Oct 2025Public Services and Procurement Canada$129,950
Oct 2025Natural Resources Canada$15,952
Sep 2025Natural Resources Canada$20,143
Aug 2025Natural Resources Canada$39,880
Jan 2025Natural Resources Canada$84,763
Dec 2024Natural Resources Canada$24,675
Dec 2024Natural Resources Canada$89,565
Dec 2024Natural Resources Canada$10,500
Dec 2024Natural Resources Canada$37,406
Dec 2024Natural Resources Canada$67,828
Nov 2024Natural Resources Canada$75,595
Oct 2024Natural Resources Canada$36,750
Oct 2024Natural Resources Canada$39,375
Sep 2024Fisheries and Oceans Canada$31,500
Sep 2024Natural Resources Canada$13,125
Aug 2024Natural Resources Canada$115,500
Jul 2024National Research Council Canada$16,950
Jun 2024Public Services and Procurement Canada$68,441
May 2024Natural Resources Canada$13,125
Feb 2024Natural Resources Canada$55,781
Feb 2024National Research Council Canada$73,410
Feb 2024Natural Resources Canada$22,969
Jan 2024Natural Resources Canada$21,046
Dec 2023Public Services and Procurement Canada$116,275
Dec 2023Natural Resources Canada$38,719
Dec 2023Natural Resources Canada$12,600
Oct 2023Public Services and Procurement Canada$178,892
Oct 2023Public Services and Procurement Canada$270,486
Oct 2023Natural Resources Canada$30,581
Oct 2023Natural Resources Canada$21,000
Oct 2023Natural Resources Canada$39,776
Jun 2023Natural Resources Canada$11,498
May 2023Natural Resources Canada$25,295
Feb 2023Public Services and Procurement Canada$163,859
Feb 2023Parks Canada$20,071
Jan 2023Public Services and Procurement Canada$38,157
Jan 2023Public Services and Procurement Canada$124,856
Dec 2022Fisheries and Oceans Canada$29,400
Dec 2022Natural Resources Canada$20,696
Nov 2022Public Services and Procurement Canada$101,285
Nov 2022Natural Resources Canada$40,000
Sep 2022Public Services and Procurement Canada$97,949
Jul 2022Public Services and Procurement Canada$30,027
May 2022Natural Resources Canada$16,800
Apr 2022Public Services and Procurement Canada$492,426
Mar 2022National Research Council Canada$45,200
Mar 2022National Research Council Canada$62,659
Feb 2022Natural Resources Canada$28,250
Jan 2022Public Services and Procurement Canada$19,924
Nov 2021Natural Resources Canada$24,449
Oct 2021Natural Resources Canada$23,729
Oct 2021Fisheries and Oceans Canada$25,725
Jul 2021Public Services and Procurement Canada$27,297
Feb 2021Natural Resources Canada$24,449
Jan 2021National Research Council Canada$18,080
Jan 2021Natural Resources Canada$31,689
Jan 2021Natural Resources Canada$23,729
Dec 2020Natural Resources Canada$18,696
Dec 2020Fisheries and Oceans Canada$15,330
Jun 2020Fisheries and Oceans Canada$17,850
Jun 2020Natural Resources Canada$24,952
Apr 2020Public Services and Procurement Canada$25,990
Apr 2020Fisheries and Oceans Canada$11,130
Jan 2020Natural Resources Canada$25,000
Dec 2019Natural Resources Canada$19,028
Dec 2019Natural Resources Canada$23,961
Nov 2019National Research Council Canada$10,735
Apr 2019Natural Resources Canada$12,436
Apr 2019Fisheries and Oceans Canada$20,790
Mar 2019Natural Resources Canada$90,400
Feb 2019Fisheries and Oceans Canada$5,087
Nov 2018Fisheries and Oceans Canada$15,278
Oct 2018Natural Resources Canada$74,615
Oct 2018Fisheries and Oceans Canada$23,100
Sep 2018Natural Resources Canada$42,558
Sep 2018Public Services and Procurement Canada$93,129
Aug 2018Fisheries and Oceans Canada$12,285
May 2018Public Services and Procurement Canada$251,985
May 2018National Research Council Canada$15,820
Feb 2018Natural Resources Canada$14,916
Feb 2018Public Services and Procurement Canada$203,910
May 2017Public Services and Procurement Canada$155,389
May 2017Public Services and Procurement Canada$102,785
Nov 2016Natural Resources Canada$24,645
Jan 2016Fisheries and Oceans Canada$9,500
Jan 2016Fisheries and Oceans Canada$14,260
May 2014Natural Resources Canada$1,104,505

CanadaBuys award notices

Contracts this vendor won through CanadaBuys since 2022.

AwardedSupplierValue
Jun 2024RDH Building Science Inc.$69,691
Jan 2023RDH Building Science Inc.$124,856
Dec 2022RDH Building Science Inc.$20,071
Mar 2022RDH Building Science Inc.$689,850

CanadaBuys award notices since Aug 2022. They overlap the Treasury Board contract figures and are never added to them. Source: CanadaBuys open data, October 12, 2026.