SQL Server 2017

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create table ServiceInfo
(
    ServiceDate date
)
insert into ServiceInfo values
('2022-01-03'),
('2022-01-07'),
('2022-01-15'),
('2022-01-26'),
('2022-01-29'),
('2022-02-01'),
('2022-02-04'),
('2022-02-06'),
('2022-02-07');
9 rows affected

SELECT s.ServiceDate,
       CONCAT(CONVERT(VARCHAR, DATEADD(DAY, 2 - DATEPART(WEEKDAY, 
            s.ServiceDate), CAST(s.ServiceDate AS DATE)), 101), 
            ' - ', CONVERT(VARCHAR, DATEADD(DAY, 8 - DATEPART(WEEKDAY, 
            s.ServiceDate), CAST(s.ServiceDate AS DATE)), 101)) AS 
            WeekDateRange,
       DATEADD(DAY, DATEDIFF(DAY, '19000101', s.ServiceDate) / 7 * 7, '19000101') as StartDate,
       DATEADD(DAY, (DATEDIFF(DAY, '19000101', s.ServiceDate) / 7 + 1) * 7, '18991231') as EndDate
FROM ServiceInfo AS s


ServiceDate
WeekDateRange
StartDate
EndDate


2022-01-03
01/03/2022 - 01/09/2022
2022-01-03 00:00:00.000
2022-01-09 00:00:00.000

2022-01-07
01/03/2022 - 01/09/2022
2022-01-03 00:00:00.000
2022-01-09 00:00:00.000

2022-01-15
01/10/2022 - 01/16/2022
2022-01-10 00:00:00.000
2022-01-16 00:00:00.000

2022-01-26
01/24/2022 - 01/30/2022
2022-01-24 00:00:00.000
2022-01-30 00:00:00.000

2022-01-29
01/24/2022 - 01/30/2022
2022-01-24 00:00:00.000
2022-01-30 00:00:00.000

2022-02-01
01/31/2022 - 02/06/2022
2022-01-31 00:00:00.000
2022-02-06 00:00:00.000

2022-02-04
01/31/2022 - 02/06/2022
2022-01-31 00:00:00.000
2022-02-06 00:00:00.000

2022-02-06
02/07/2022 - 02/13/2022
2022-01-31 00:00:00.000
2022-02-06 00:00:00.000

2022-02-07
02/07/2022 - 02/13/2022
2022-02-07 00:00:00.000
2022-02-13 00:00:00.000

ServiceDate	WeekDateRange	StartDate	EndDate
2022-01-03	01/03/2022 - 01/09/2022	2022-01-03 00:00:00.000	2022-01-09 00:00:00.000
2022-01-07	01/03/2022 - 01/09/2022	2022-01-03 00:00:00.000	2022-01-09 00:00:00.000
2022-01-15	01/10/2022 - 01/16/2022	2022-01-10 00:00:00.000	2022-01-16 00:00:00.000
2022-01-26	01/24/2022 - 01/30/2022	2022-01-24 00:00:00.000	2022-01-30 00:00:00.000
2022-01-29	01/24/2022 - 01/30/2022	2022-01-24 00:00:00.000	2022-01-30 00:00:00.000
2022-02-01	01/31/2022 - 02/06/2022	2022-01-31 00:00:00.000	2022-02-06 00:00:00.000
2022-02-04	01/31/2022 - 02/06/2022	2022-01-31 00:00:00.000	2022-02-06 00:00:00.000
2022-02-06	02/07/2022 - 02/13/2022	2022-01-31 00:00:00.000	2022-02-06 00:00:00.000
2022-02-07	02/07/2022 - 02/13/2022	2022-02-07 00:00:00.000	2022-02-13 00:00:00.000